./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f31790-2515-42df-9f09-3f3d7ddd2bfa/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f31790-2515-42df-9f09-3f3d7ddd2bfa/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_41f31790-2515-42df-9f09-3f3d7ddd2bfa/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f31790-2515-42df-9f09-3f3d7ddd2bfa/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f31790-2515-42df-9f09-3f3d7ddd2bfa/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_41f31790-2515-42df-9f09-3f3d7ddd2bfa/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 59d05b45c2855b02eb92cf6428285b3e4820a09d46d6a6d0a0748347de3adbb6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:54:28,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:54:28,684 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f31790-2515-42df-9f09-3f3d7ddd2bfa/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:54:28,693 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:54:28,694 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:54:28,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:54:28,738 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:54:28,738 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:54:28,739 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:54:28,745 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:54:28,747 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:54:28,748 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:54:28,748 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:54:28,750 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:54:28,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:54:28,752 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:54:28,752 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:54:28,753 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:54:28,753 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:54:28,754 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:54:28,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:54:28,755 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:54:28,756 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:54:28,756 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:54:28,757 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:54:28,759 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:54:28,759 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:54:28,760 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:54:28,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:54:28,761 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:54:28,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:54:28,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:54:28,763 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:54:28,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:54:28,764 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:54:28,764 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:54:28,764 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:54:28,764 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:54:28,765 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:54:28,765 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_41f31790-2515-42df-9f09-3f3d7ddd2bfa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f31790-2515-42df-9f09-3f3d7ddd2bfa/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59d05b45c2855b02eb92cf6428285b3e4820a09d46d6a6d0a0748347de3adbb6 [2023-11-06 22:54:29,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:54:29,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:54:29,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:54:29,210 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:54:29,210 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:54:29,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f31790-2515-42df-9f09-3f3d7ddd2bfa/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c [2023-11-06 22:54:32,483 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:54:32,785 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:54:32,786 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f31790-2515-42df-9f09-3f3d7ddd2bfa/sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c [2023-11-06 22:54:32,801 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f31790-2515-42df-9f09-3f3d7ddd2bfa/bin/uautomizer-verify-WvqO1wxjHP/data/b3dd3b3ab/4b49bb1853a744729061961d28acd323/FLAG6d1a7fbcd [2023-11-06 22:54:32,816 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f31790-2515-42df-9f09-3f3d7ddd2bfa/bin/uautomizer-verify-WvqO1wxjHP/data/b3dd3b3ab/4b49bb1853a744729061961d28acd323 [2023-11-06 22:54:32,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:54:32,824 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:54:32,828 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:54:32,828 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:54:32,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:54:32,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:54:32" (1/1) ... [2023-11-06 22:54:32,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@120a38dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:32, skipping insertion in model container [2023-11-06 22:54:32,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:54:32" (1/1) ... [2023-11-06 22:54:32,927 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:54:33,217 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_41f31790-2515-42df-9f09-3f3d7ddd2bfa/sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c[6823,6836] [2023-11-06 22:54:33,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:54:33,293 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:54:33,310 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-06 22:54:33,312 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [87] [2023-11-06 22:54:33,312 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [363] [2023-11-06 22:54:33,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [435] [2023-11-06 22:54:33,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [444] [2023-11-06 22:54:33,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [483] [2023-11-06 22:54:33,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [587] [2023-11-06 22:54:33,314 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [684] [2023-11-06 22:54:33,346 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_41f31790-2515-42df-9f09-3f3d7ddd2bfa/sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c[6823,6836] [2023-11-06 22:54:33,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:54:33,453 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:54:33,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:33 WrapperNode [2023-11-06 22:54:33,454 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:54:33,455 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:54:33,455 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:54:33,456 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:54:33,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:33" (1/1) ... [2023-11-06 22:54:33,477 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:33" (1/1) ... [2023-11-06 22:54:33,507 INFO L138 Inliner]: procedures = 60, calls = 108, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 231 [2023-11-06 22:54:33,508 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:54:33,509 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:54:33,509 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:54:33,509 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:54:33,520 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:33" (1/1) ... [2023-11-06 22:54:33,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:33" (1/1) ... [2023-11-06 22:54:33,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:33" (1/1) ... [2023-11-06 22:54:33,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:33" (1/1) ... [2023-11-06 22:54:33,530 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:33" (1/1) ... [2023-11-06 22:54:33,535 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:33" (1/1) ... [2023-11-06 22:54:33,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:33" (1/1) ... [2023-11-06 22:54:33,539 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:33" (1/1) ... [2023-11-06 22:54:33,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:54:33,544 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:54:33,544 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:54:33,544 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:54:33,545 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:33" (1/1) ... [2023-11-06 22:54:33,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:54:33,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f31790-2515-42df-9f09-3f3d7ddd2bfa/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:33,583 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f31790-2515-42df-9f09-3f3d7ddd2bfa/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:33,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f31790-2515-42df-9f09-3f3d7ddd2bfa/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:54:33,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:54:33,637 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-06 22:54:33,638 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-06 22:54:33,638 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-06 22:54:33,640 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-06 22:54:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-06 22:54:33,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-06 22:54:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-06 22:54:33,641 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-06 22:54:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:54:33,641 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:54:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-06 22:54:33,642 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-06 22:54:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-06 22:54:33,642 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-06 22:54:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-06 22:54:33,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-06 22:54:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-06 22:54:33,644 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-06 22:54:33,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:54:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-06 22:54:33,645 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-06 22:54:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:54:33,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:54:33,737 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:54:33,740 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:54:34,157 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:54:34,165 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:54:34,165 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:54:34,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:34 BoogieIcfgContainer [2023-11-06 22:54:34,168 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:54:34,170 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:54:34,171 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:54:34,174 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:54:34,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:54:32" (1/3) ... [2023-11-06 22:54:34,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69c9c274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:54:34, skipping insertion in model container [2023-11-06 22:54:34,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:33" (2/3) ... [2023-11-06 22:54:34,199 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69c9c274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:54:34, skipping insertion in model container [2023-11-06 22:54:34,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:34" (3/3) ... [2023-11-06 22:54:34,204 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product64.cil.c [2023-11-06 22:54:34,223 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:54:34,224 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:54:34,294 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:54:34,304 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;@32ec2d58, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:54:34,305 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:54:34,310 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 84 states have (on average 1.369047619047619) internal successors, (115), 95 states have internal predecessors, (115), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 22:54:34,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-06 22:54:34,322 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:34,323 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:54:34,323 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:34,329 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:34,329 INFO L85 PathProgramCache]: Analyzing trace with hash 2099245654, now seen corresponding path program 1 times [2023-11-06 22:54:34,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:34,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447106319] [2023-11-06 22:54:34,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:34,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:34,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:54:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:34,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:54:34,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:34,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447106319] [2023-11-06 22:54:34,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447106319] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:34,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:34,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:54:34,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137571614] [2023-11-06 22:54:34,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:34,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:54:34,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:34,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:54:34,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:54:34,631 INFO L87 Difference]: Start difference. First operand has 115 states, 84 states have (on average 1.369047619047619) internal successors, (115), 95 states have internal predecessors, (115), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:34,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:34,709 INFO L93 Difference]: Finished difference Result 221 states and 300 transitions. [2023-11-06 22:54:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:54:34,711 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2023-11-06 22:54:34,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:34,725 INFO L225 Difference]: With dead ends: 221 [2023-11-06 22:54:34,726 INFO L226 Difference]: Without dead ends: 106 [2023-11-06 22:54:34,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 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 22:54:34,738 INFO L413 NwaCegarLoop]: 147 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, 147 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 22:54:34,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:54:34,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-11-06 22:54:34,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2023-11-06 22:54:34,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 77 states have (on average 1.3116883116883118) internal successors, (101), 87 states have internal predecessors, (101), 19 states have call successors, (19), 10 states have call predecessors, (19), 9 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-06 22:54:34,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 138 transitions. [2023-11-06 22:54:34,823 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 138 transitions. Word has length 25 [2023-11-06 22:54:34,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:34,825 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 138 transitions. [2023-11-06 22:54:34,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:34,825 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 138 transitions. [2023-11-06 22:54:34,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-06 22:54:34,831 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:34,831 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:54:34,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:54:34,832 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:34,833 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:34,833 INFO L85 PathProgramCache]: Analyzing trace with hash -298822754, now seen corresponding path program 1 times [2023-11-06 22:54:34,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:34,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117864474] [2023-11-06 22:54:34,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:34,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:34,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:54:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:35,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:54:35,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:35,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117864474] [2023-11-06 22:54:35,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117864474] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:35,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:35,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:54:35,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163837999] [2023-11-06 22:54:35,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:35,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:54:35,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:35,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:54:35,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:54:35,015 INFO L87 Difference]: Start difference. First operand 106 states and 138 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:35,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:35,053 INFO L93 Difference]: Finished difference Result 172 states and 224 transitions. [2023-11-06 22:54:35,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:54:35,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2023-11-06 22:54:35,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:35,061 INFO L225 Difference]: With dead ends: 172 [2023-11-06 22:54:35,061 INFO L226 Difference]: Without dead ends: 97 [2023-11-06 22:54:35,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 22:54:35,064 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 17 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 228 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 22:54:35,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 228 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:54:35,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-06 22:54:35,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-11-06 22:54:35,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 71 states have (on average 1.323943661971831) internal successors, (94), 81 states have internal predecessors, (94), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 22:54:35,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 126 transitions. [2023-11-06 22:54:35,093 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 126 transitions. Word has length 26 [2023-11-06 22:54:35,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:35,094 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 126 transitions. [2023-11-06 22:54:35,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:35,095 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 126 transitions. [2023-11-06 22:54:35,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-06 22:54:35,102 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:35,102 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:54:35,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:54:35,103 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:35,104 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:35,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1504880537, now seen corresponding path program 1 times [2023-11-06 22:54:35,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:35,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200193939] [2023-11-06 22:54:35,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:35,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:35,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:54:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:35,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:54:35,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:35,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200193939] [2023-11-06 22:54:35,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200193939] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:35,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:35,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:54:35,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385143406] [2023-11-06 22:54:35,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:35,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:54:35,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:35,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:54:35,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:54:35,343 INFO L87 Difference]: Start difference. First operand 97 states and 126 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:35,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:35,479 INFO L93 Difference]: Finished difference Result 229 states and 301 transitions. [2023-11-06 22:54:35,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:54:35,480 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2023-11-06 22:54:35,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:35,484 INFO L225 Difference]: With dead ends: 229 [2023-11-06 22:54:35,485 INFO L226 Difference]: Without dead ends: 140 [2023-11-06 22:54:35,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:54:35,488 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 191 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:35,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 410 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:54:35,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-11-06 22:54:35,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2023-11-06 22:54:35,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 101 states have (on average 1.3465346534653466) internal successors, (136), 114 states have internal predecessors, (136), 21 states have call successors, (21), 14 states have call predecessors, (21), 14 states have return successors, (22), 15 states have call predecessors, (22), 21 states have call successors, (22) [2023-11-06 22:54:35,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 179 transitions. [2023-11-06 22:54:35,522 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 179 transitions. Word has length 31 [2023-11-06 22:54:35,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:35,522 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 179 transitions. [2023-11-06 22:54:35,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:35,523 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 179 transitions. [2023-11-06 22:54:35,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-06 22:54:35,525 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:35,526 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:54:35,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:54:35,526 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:35,527 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:35,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1902279984, now seen corresponding path program 1 times [2023-11-06 22:54:35,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:35,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796116123] [2023-11-06 22:54:35,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:35,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:35,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 22:54:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:35,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:54:35,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:35,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796116123] [2023-11-06 22:54:35,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796116123] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:35,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:35,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:54:35,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818199044] [2023-11-06 22:54:35,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:35,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:54:35,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:35,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:54:35,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:54:35,731 INFO L87 Difference]: Start difference. First operand 137 states and 179 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:35,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:35,825 INFO L93 Difference]: Finished difference Result 318 states and 426 transitions. [2023-11-06 22:54:35,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:54:35,826 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2023-11-06 22:54:35,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:35,828 INFO L225 Difference]: With dead ends: 318 [2023-11-06 22:54:35,829 INFO L226 Difference]: Without dead ends: 189 [2023-11-06 22:54:35,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:54:35,831 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 72 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:35,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 444 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:54:35,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2023-11-06 22:54:35,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 181. [2023-11-06 22:54:35,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 134 states have (on average 1.2761194029850746) internal successors, (171), 146 states have internal predecessors, (171), 25 states have call successors, (25), 21 states have call predecessors, (25), 21 states have return successors, (33), 23 states have call predecessors, (33), 25 states have call successors, (33) [2023-11-06 22:54:35,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 229 transitions. [2023-11-06 22:54:35,862 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 229 transitions. Word has length 34 [2023-11-06 22:54:35,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:35,863 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 229 transitions. [2023-11-06 22:54:35,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:35,863 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 229 transitions. [2023-11-06 22:54:35,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-06 22:54:35,865 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:35,866 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:54:35,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:54:35,866 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:35,867 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:35,867 INFO L85 PathProgramCache]: Analyzing trace with hash 269763792, now seen corresponding path program 1 times [2023-11-06 22:54:35,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:35,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627319772] [2023-11-06 22:54:35,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:35,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:35,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:54:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:35,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:54:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:36,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:54:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:36,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:36,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-06 22:54:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:36,021 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 22:54:36,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:36,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627319772] [2023-11-06 22:54:36,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627319772] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:36,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:36,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:54:36,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951583346] [2023-11-06 22:54:36,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:36,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:54:36,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:36,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:54:36,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:54:36,025 INFO L87 Difference]: Start difference. First operand 181 states and 229 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 22:54:36,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:36,266 INFO L93 Difference]: Finished difference Result 391 states and 510 transitions. [2023-11-06 22:54:36,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:54:36,267 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 62 [2023-11-06 22:54:36,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:36,269 INFO L225 Difference]: With dead ends: 391 [2023-11-06 22:54:36,269 INFO L226 Difference]: Without dead ends: 218 [2023-11-06 22:54:36,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:54:36,272 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 77 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:36,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 412 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:54:36,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2023-11-06 22:54:36,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 211. [2023-11-06 22:54:36,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 157 states have (on average 1.2611464968152866) internal successors, (198), 169 states have internal predecessors, (198), 27 states have call successors, (27), 21 states have call predecessors, (27), 26 states have return successors, (40), 29 states have call predecessors, (40), 27 states have call successors, (40) [2023-11-06 22:54:36,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 265 transitions. [2023-11-06 22:54:36,304 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 265 transitions. Word has length 62 [2023-11-06 22:54:36,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:36,305 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 265 transitions. [2023-11-06 22:54:36,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 22:54:36,305 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 265 transitions. [2023-11-06 22:54:36,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-06 22:54:36,307 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:36,307 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:54:36,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:54:36,307 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:36,308 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:36,308 INFO L85 PathProgramCache]: Analyzing trace with hash 197377234, now seen corresponding path program 1 times [2023-11-06 22:54:36,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:36,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105181617] [2023-11-06 22:54:36,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:36,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:36,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:54:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:36,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:54:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:36,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:54:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:36,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:36,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-06 22:54:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:36,484 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 22:54:36,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:36,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105181617] [2023-11-06 22:54:36,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105181617] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:36,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:36,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:54:36,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905542008] [2023-11-06 22:54:36,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:36,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:54:36,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:36,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:54:36,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:54:36,487 INFO L87 Difference]: Start difference. First operand 211 states and 265 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 22:54:36,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:36,737 INFO L93 Difference]: Finished difference Result 424 states and 548 transitions. [2023-11-06 22:54:36,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:54:36,738 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 62 [2023-11-06 22:54:36,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:36,740 INFO L225 Difference]: With dead ends: 424 [2023-11-06 22:54:36,740 INFO L226 Difference]: Without dead ends: 221 [2023-11-06 22:54:36,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:54:36,742 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 122 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:36,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 452 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:54:36,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2023-11-06 22:54:36,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 213. [2023-11-06 22:54:36,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 159 states have (on average 1.2578616352201257) internal successors, (200), 171 states have internal predecessors, (200), 27 states have call successors, (27), 21 states have call predecessors, (27), 26 states have return successors, (40), 29 states have call predecessors, (40), 27 states have call successors, (40) [2023-11-06 22:54:36,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 267 transitions. [2023-11-06 22:54:36,780 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 267 transitions. Word has length 62 [2023-11-06 22:54:36,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:36,780 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 267 transitions. [2023-11-06 22:54:36,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 22:54:36,780 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 267 transitions. [2023-11-06 22:54:36,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-06 22:54:36,781 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:36,782 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, 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 22:54:36,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:54:36,782 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:36,782 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:36,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1385560885, now seen corresponding path program 1 times [2023-11-06 22:54:36,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:36,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523999440] [2023-11-06 22:54:36,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:36,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:36,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 22:54:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:36,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:54:36,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:36,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:54:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:36,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:36,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-06 22:54:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:36,886 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 22:54:36,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:36,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523999440] [2023-11-06 22:54:36,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523999440] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:36,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:36,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:54:36,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287111094] [2023-11-06 22:54:36,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:36,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:54:36,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:36,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:54:36,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:54:36,890 INFO L87 Difference]: Start difference. First operand 213 states and 267 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 22:54:37,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:37,067 INFO L93 Difference]: Finished difference Result 422 states and 529 transitions. [2023-11-06 22:54:37,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:54:37,068 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 65 [2023-11-06 22:54:37,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:37,071 INFO L225 Difference]: With dead ends: 422 [2023-11-06 22:54:37,071 INFO L226 Difference]: Without dead ends: 217 [2023-11-06 22:54:37,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:54:37,075 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 107 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:37,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 270 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:54:37,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-11-06 22:54:37,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 213. [2023-11-06 22:54:37,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 159 states have (on average 1.251572327044025) internal successors, (199), 171 states have internal predecessors, (199), 27 states have call successors, (27), 21 states have call predecessors, (27), 26 states have return successors, (38), 29 states have call predecessors, (38), 27 states have call successors, (38) [2023-11-06 22:54:37,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 264 transitions. [2023-11-06 22:54:37,106 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 264 transitions. Word has length 65 [2023-11-06 22:54:37,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:37,107 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 264 transitions. [2023-11-06 22:54:37,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 22:54:37,108 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 264 transitions. [2023-11-06 22:54:37,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-06 22:54:37,109 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:37,109 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:54:37,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:54:37,110 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:37,110 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:37,111 INFO L85 PathProgramCache]: Analyzing trace with hash -646628268, now seen corresponding path program 1 times [2023-11-06 22:54:37,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:37,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108860452] [2023-11-06 22:54:37,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:37,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:37,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:54:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:37,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:54:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:37,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:54:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:37,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:37,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-06 22:54:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:37,264 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 22:54:37,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:37,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108860452] [2023-11-06 22:54:37,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108860452] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:37,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:37,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:54:37,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235122860] [2023-11-06 22:54:37,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:37,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:54:37,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:37,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:54:37,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:54:37,267 INFO L87 Difference]: Start difference. First operand 213 states and 264 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-06 22:54:37,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:37,568 INFO L93 Difference]: Finished difference Result 621 states and 797 transitions. [2023-11-06 22:54:37,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:54:37,572 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 62 [2023-11-06 22:54:37,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:37,576 INFO L225 Difference]: With dead ends: 621 [2023-11-06 22:54:37,576 INFO L226 Difference]: Without dead ends: 416 [2023-11-06 22:54:37,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:54:37,579 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 250 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:37,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 344 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:54:37,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2023-11-06 22:54:37,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 414. [2023-11-06 22:54:37,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 310 states have (on average 1.229032258064516) internal successors, (381), 330 states have internal predecessors, (381), 53 states have call successors, (53), 48 states have call predecessors, (53), 50 states have return successors, (80), 53 states have call predecessors, (80), 53 states have call successors, (80) [2023-11-06 22:54:37,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 514 transitions. [2023-11-06 22:54:37,646 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 514 transitions. Word has length 62 [2023-11-06 22:54:37,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:37,648 INFO L495 AbstractCegarLoop]: Abstraction has 414 states and 514 transitions. [2023-11-06 22:54:37,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-06 22:54:37,648 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 514 transitions. [2023-11-06 22:54:37,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-06 22:54:37,651 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:37,651 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, 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 22:54:37,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:54:37,651 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:37,652 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:37,652 INFO L85 PathProgramCache]: Analyzing trace with hash -938683346, now seen corresponding path program 1 times [2023-11-06 22:54:37,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:37,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793025845] [2023-11-06 22:54:37,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:37,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:37,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:54:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:37,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:54:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:37,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:54:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:37,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:54:37,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:37,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:37,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-06 22:54:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:37,914 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 22:54:37,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:37,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793025845] [2023-11-06 22:54:37,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793025845] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:37,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:37,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-06 22:54:37,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696307885] [2023-11-06 22:54:37,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:37,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:54:37,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:37,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:54:37,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:54:37,918 INFO L87 Difference]: Start difference. First operand 414 states and 514 transitions. Second operand has 12 states, 12 states have (on average 4.25) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-06 22:54:39,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:39,078 INFO L93 Difference]: Finished difference Result 1299 states and 1677 transitions. [2023-11-06 22:54:39,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-06 22:54:39,079 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 2 states have call successors, (6) Word has length 66 [2023-11-06 22:54:39,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:39,089 INFO L225 Difference]: With dead ends: 1299 [2023-11-06 22:54:39,089 INFO L226 Difference]: Without dead ends: 893 [2023-11-06 22:54:39,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=229, Invalid=961, Unknown=0, NotChecked=0, Total=1190 [2023-11-06 22:54:39,094 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 468 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:39,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 529 Invalid, 927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:54:39,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2023-11-06 22:54:39,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 861. [2023-11-06 22:54:39,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 861 states, 634 states have (on average 1.1987381703470033) internal successors, (760), 682 states have internal predecessors, (760), 119 states have call successors, (119), 94 states have call predecessors, (119), 107 states have return successors, (203), 118 states have call predecessors, (203), 119 states have call successors, (203) [2023-11-06 22:54:39,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1082 transitions. [2023-11-06 22:54:39,221 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1082 transitions. Word has length 66 [2023-11-06 22:54:39,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:39,222 INFO L495 AbstractCegarLoop]: Abstraction has 861 states and 1082 transitions. [2023-11-06 22:54:39,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-06 22:54:39,222 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1082 transitions. [2023-11-06 22:54:39,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-06 22:54:39,226 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:39,226 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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 22:54:39,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:54:39,227 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:39,227 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:39,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1166861276, now seen corresponding path program 1 times [2023-11-06 22:54:39,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:39,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75437662] [2023-11-06 22:54:39,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:39,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:39,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:54:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:39,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:54:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:39,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:54:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:39,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:54:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:39,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:54:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:39,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:39,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:54:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:39,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:54:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:39,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-06 22:54:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:39,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:39,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-06 22:54:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:39,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 22:54:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:39,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:54:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:39,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-06 22:54:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:39,571 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-06 22:54:39,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:39,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75437662] [2023-11-06 22:54:39,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75437662] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:54:39,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781730485] [2023-11-06 22:54:39,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:39,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:54:39,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f31790-2515-42df-9f09-3f3d7ddd2bfa/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:39,579 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f31790-2515-42df-9f09-3f3d7ddd2bfa/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:54:39,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f31790-2515-42df-9f09-3f3d7ddd2bfa/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:54:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:39,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:54:39,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:40,021 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-06 22:54:40,021 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:54:40,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781730485] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:40,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:54:40,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 20 [2023-11-06 22:54:40,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020934840] [2023-11-06 22:54:40,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:40,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:54:40,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:40,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:54:40,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2023-11-06 22:54:40,025 INFO L87 Difference]: Start difference. First operand 861 states and 1082 transitions. Second operand has 8 states, 8 states have (on average 11.25) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-06 22:54:40,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:40,313 INFO L93 Difference]: Finished difference Result 1906 states and 2385 transitions. [2023-11-06 22:54:40,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:54:40,314 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) Word has length 125 [2023-11-06 22:54:40,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:40,316 INFO L225 Difference]: With dead ends: 1906 [2023-11-06 22:54:40,316 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:54:40,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2023-11-06 22:54:40,322 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 72 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 1033 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:40,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 1033 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:54:40,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:54:40,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:54:40,324 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 22:54:40,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:54:40,325 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 125 [2023-11-06 22:54:40,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:40,325 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:54:40,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-06 22:54:40,325 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:54:40,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:54:40,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:54:40,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f31790-2515-42df-9f09-3f3d7ddd2bfa/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:40,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f31790-2515-42df-9f09-3f3d7ddd2bfa/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:54:40,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:54:45,818 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 238 245) no Hoare annotation was computed. [2023-11-06 22:54:45,819 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 238 245) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse0 .cse1 (< ~methaneLevelCritical~0 1)))) [2023-11-06 22:54:45,819 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 238 245) no Hoare annotation was computed. [2023-11-06 22:54:45,819 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 128 134) no Hoare annotation was computed. [2023-11-06 22:54:45,819 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 128 134) the Hoare annotation is: true [2023-11-06 22:54:45,819 INFO L895 garLoopResultBuilder]: At program point L176(line 176) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse2 (< ~methaneLevelCritical~0 1)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2023-11-06 22:54:45,820 INFO L895 garLoopResultBuilder]: At program point isLowWaterSensorDry_returnLabel#1(lines 578 586) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse2 (< ~methaneLevelCritical~0 1)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2023-11-06 22:54:45,820 INFO L895 garLoopResultBuilder]: At program point L172(line 172) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse2 (< ~methaneLevelCritical~0 1)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2023-11-06 22:54:45,820 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 178) no Hoare annotation was computed. [2023-11-06 22:54:45,821 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 162 186) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (< ~methaneLevelCritical~0 1)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-11-06 22:54:45,821 INFO L899 garLoopResultBuilder]: For program point L166(lines 166 183) no Hoare annotation was computed. [2023-11-06 22:54:45,821 INFO L895 garLoopResultBuilder]: At program point isLowWaterLevel_returnLabel#1(lines 321 339) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse2 (< ~methaneLevelCritical~0 1)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2023-11-06 22:54:45,821 INFO L895 garLoopResultBuilder]: At program point L181(line 181) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse0 (= |old(~pumpRunning~0)| 0))) (and (or (not .cse0) .cse1 .cse2 (< ~methaneLevelCritical~0 1)) (or (not (= ~methaneLevelCritical~0 0)) .cse2 (and .cse1 .cse0)))) [2023-11-06 22:54:45,822 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 162 186) no Hoare annotation was computed. [2023-11-06 22:54:45,822 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 162 186) no Hoare annotation was computed. [2023-11-06 22:54:45,822 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 334) no Hoare annotation was computed. [2023-11-06 22:54:45,822 INFO L899 garLoopResultBuilder]: For program point L330-2(lines 330 334) no Hoare annotation was computed. [2023-11-06 22:54:45,822 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 511 522) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (= 0 ~systemActive~0)) (or .cse0 .cse2 .cse1) (or (<= 1 ~methaneLevelCritical~0) .cse2 (< |old(~methaneLevelCritical~0)| 1)))) [2023-11-06 22:54:45,823 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 511 522) no Hoare annotation was computed. [2023-11-06 22:54:45,823 INFO L899 garLoopResultBuilder]: For program point L515-1(lines 511 522) no Hoare annotation was computed. [2023-11-06 22:54:45,823 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 589 618) no Hoare annotation was computed. [2023-11-06 22:54:45,823 INFO L899 garLoopResultBuilder]: For program point L603(lines 603 607) no Hoare annotation was computed. [2023-11-06 22:54:45,823 INFO L902 garLoopResultBuilder]: At program point L603-1(lines 603 607) the Hoare annotation is: true [2023-11-06 22:54:45,824 INFO L899 garLoopResultBuilder]: For program point L600(line 600) no Hoare annotation was computed. [2023-11-06 22:54:45,824 INFO L902 garLoopResultBuilder]: At program point L599-2(lines 599 613) the Hoare annotation is: true [2023-11-06 22:54:45,824 INFO L902 garLoopResultBuilder]: At program point L595(line 595) the Hoare annotation is: true [2023-11-06 22:54:45,824 INFO L899 garLoopResultBuilder]: For program point L595-1(line 595) no Hoare annotation was computed. [2023-11-06 22:54:45,824 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 589 618) the Hoare annotation is: true [2023-11-06 22:54:45,824 INFO L902 garLoopResultBuilder]: At program point L614(lines 589 618) the Hoare annotation is: true [2023-11-06 22:54:45,825 INFO L899 garLoopResultBuilder]: For program point L610(line 610) no Hoare annotation was computed. [2023-11-06 22:54:45,825 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 523 531) the Hoare annotation is: true [2023-11-06 22:54:45,825 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 523 531) no Hoare annotation was computed. [2023-11-06 22:54:45,825 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 523 531) no Hoare annotation was computed. [2023-11-06 22:54:45,825 INFO L899 garLoopResultBuilder]: For program point L192(lines 192 209) no Hoare annotation was computed. [2023-11-06 22:54:45,826 INFO L899 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2023-11-06 22:54:45,826 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 104 127) no Hoare annotation was computed. [2023-11-06 22:54:45,826 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 115 121) no Hoare annotation was computed. [2023-11-06 22:54:45,826 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 476) no Hoare annotation was computed. [2023-11-06 22:54:45,826 INFO L899 garLoopResultBuilder]: For program point L462(lines 462 479) no Hoare annotation was computed. [2023-11-06 22:54:45,827 INFO L895 garLoopResultBuilder]: At program point L462-1(lines 454 482) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse4 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~7#1| 0)) (.cse1 (not .cse2)) (.cse0 (= ~pumpRunning~0 0)) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (and .cse0 .cse1) .cse2 .cse3) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4) .cse5 (and (<= 2 ~waterLevel~0) .cse4) (and .cse0 .cse4 .cse1) .cse2) (or .cse6 .cse5 (and .cse0 .cse4) .cse1) (or .cse6 (and .cse0 .cse7) .cse3) (or .cse6 .cse5 .cse7)))) [2023-11-06 22:54:45,827 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 495) no Hoare annotation was computed. [2023-11-06 22:54:45,827 INFO L895 garLoopResultBuilder]: At program point L202(line 202) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3) (or .cse0 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2023-11-06 22:54:45,827 INFO L895 garLoopResultBuilder]: At program point L491-2(lines 487 498) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= 0 ~systemActive~0)) (.cse2 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1) (or .cse0 .cse2) (or .cse3 .cse1 .cse4) (or .cse3 .cse4 .cse2))) [2023-11-06 22:54:45,828 INFO L895 garLoopResultBuilder]: At program point L198(line 198) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or (and .cse2 (<= 1 |timeShift_processEnvironment_~tmp~2#1|)) .cse3 .cse4) (or .cse0 .cse4) (or .cse2 .cse1 .cse3))) [2023-11-06 22:54:45,828 INFO L895 garLoopResultBuilder]: At program point L194(line 194) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= 0 ~systemActive~0)) (.cse2 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1) (or .cse0 .cse2) (or .cse3 .cse1 .cse4) (or .cse3 .cse4 .cse2))) [2023-11-06 22:54:45,828 INFO L899 garLoopResultBuilder]: For program point L194-1(line 194) no Hoare annotation was computed. [2023-11-06 22:54:45,828 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 473) no Hoare annotation was computed. [2023-11-06 22:54:45,829 INFO L895 garLoopResultBuilder]: At program point L207(line 207) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse6 (= |old(~pumpRunning~0)| 0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= ~pumpRunning~0 0) .cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (not .cse6)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse4 (not .cse2))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse2 .cse5) (or .cse3 .cse5 .cse4)))) [2023-11-06 22:54:45,829 INFO L895 garLoopResultBuilder]: At program point L207-1(lines 188 212) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse2 (not .cse4)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse5) (or .cse0 .cse5 .cse2) (or .cse0 .cse1 .cse6) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 (<= 2 ~waterLevel~0) .cse1 .cse4)))) [2023-11-06 22:54:45,829 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 107 126) no Hoare annotation was computed. [2023-11-06 22:54:45,829 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 436 443) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3) (or .cse0 .cse3) (or .cse1 .cse2))) [2023-11-06 22:54:45,830 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 104 127) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6)) (.cse2 (= 0 ~systemActive~0)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (and (= ~pumpRunning~0 0) .cse6)) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse5) (or .cse3 .cse4 .cse0)))) [2023-11-06 22:54:45,830 INFO L895 garLoopResultBuilder]: At program point L460(line 460) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and .cse6 .cse3)) (.cse2 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (and .cse3 (not .cse4)) .cse1 .cse5) (or .cse6 .cse4 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 (<= 2 ~waterLevel~0) .cse5 .cse4)))) [2023-11-06 22:54:45,830 INFO L899 garLoopResultBuilder]: For program point L460-1(line 460) no Hoare annotation was computed. [2023-11-06 22:54:45,830 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 104 127) no Hoare annotation was computed. [2023-11-06 22:54:45,831 INFO L895 garLoopResultBuilder]: At program point isPumpRunning_returnLabel#1(lines 257 265) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse0 (and .cse2 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse4) (or (and .cse2 .cse3) .cse5 .cse4) (or .cse1 .cse5))) [2023-11-06 22:54:45,831 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 440) no Hoare annotation was computed. [2023-11-06 22:54:45,831 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 204) no Hoare annotation was computed. [2023-11-06 22:54:45,831 INFO L899 garLoopResultBuilder]: For program point L671(lines 671 678) no Hoare annotation was computed. [2023-11-06 22:54:45,832 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 421) no Hoare annotation was computed. [2023-11-06 22:54:45,832 INFO L895 garLoopResultBuilder]: At program point L415-2(lines 407 422) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse6 .cse2 .cse3 .cse4 .cse5))) [2023-11-06 22:54:45,832 INFO L899 garLoopResultBuilder]: For program point L671-2(lines 671 678) no Hoare annotation was computed. [2023-11-06 22:54:45,832 INFO L895 garLoopResultBuilder]: At program point startSystem_returnLabel#1(lines 355 362) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3))) [2023-11-06 22:54:45,833 INFO L899 garLoopResultBuilder]: For program point L378(lines 377 426) no Hoare annotation was computed. [2023-11-06 22:54:45,833 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 422) no Hoare annotation was computed. [2023-11-06 22:54:45,833 INFO L895 garLoopResultBuilder]: At program point L399(line 399) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3 (not (= 0 ~systemActive~0))))) [2023-11-06 22:54:45,833 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 650 660) the Hoare annotation is: true [2023-11-06 22:54:45,833 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2023-11-06 22:54:45,834 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 661 683) the Hoare annotation is: true [2023-11-06 22:54:45,834 INFO L895 garLoopResultBuilder]: At program point L424(lines 377 426) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3 (not (= 0 ~systemActive~0))))) [2023-11-06 22:54:45,834 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 393) no Hoare annotation was computed. [2023-11-06 22:54:45,834 INFO L899 garLoopResultBuilder]: For program point L387-1(lines 387 393) no Hoare annotation was computed. [2023-11-06 22:54:45,835 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:54:45,835 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:54:45,835 INFO L899 garLoopResultBuilder]: For program point L379(lines 379 383) no Hoare annotation was computed. [2023-11-06 22:54:45,835 INFO L895 garLoopResultBuilder]: At program point L346(line 346) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3))) [2023-11-06 22:54:45,835 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 643 649) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2023-11-06 22:54:45,836 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:54:45,836 INFO L902 garLoopResultBuilder]: At program point L430(lines 367 434) the Hoare annotation is: true [2023-11-06 22:54:45,836 INFO L899 garLoopResultBuilder]: For program point L397(lines 397 403) no Hoare annotation was computed. [2023-11-06 22:54:45,836 INFO L899 garLoopResultBuilder]: For program point L397-1(lines 397 403) no Hoare annotation was computed. [2023-11-06 22:54:45,836 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:54:45,837 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2023-11-06 22:54:45,837 INFO L895 garLoopResultBuilder]: At program point L389(line 389) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3 (not (= 0 ~systemActive~0))))) [2023-11-06 22:54:45,837 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification2_spec__1_returnLabel#1(lines 446 453) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2023-11-06 22:54:45,837 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 350) no Hoare annotation was computed. [2023-11-06 22:54:45,837 INFO L899 garLoopResultBuilder]: For program point L344-1(lines 344 350) no Hoare annotation was computed. [2023-11-06 22:54:45,838 INFO L895 garLoopResultBuilder]: At program point stopSystem_returnLabel#1(lines 340 354) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= 0 ~systemActive~0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4))) [2023-11-06 22:54:45,838 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2023-11-06 22:54:45,838 INFO L895 garLoopResultBuilder]: At program point L427(lines 376 428) the Hoare annotation is: false [2023-11-06 22:54:45,838 INFO L895 garLoopResultBuilder]: At program point L155(line 155) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse2 (< ~methaneLevelCritical~0 1)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2023-11-06 22:54:45,839 INFO L899 garLoopResultBuilder]: For program point L155-1(lines 136 160) no Hoare annotation was computed. [2023-11-06 22:54:45,839 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 574) no Hoare annotation was computed. [2023-11-06 22:54:45,839 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 136 160) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (< ~methaneLevelCritical~0 1)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-11-06 22:54:45,839 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 234) no Hoare annotation was computed. [2023-11-06 22:54:45,840 INFO L895 garLoopResultBuilder]: At program point isHighWaterSensorDry_returnLabel#1(lines 564 577) the Hoare annotation is: (let ((.cse4 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= |old(~pumpRunning~0)| 0)) (.cse3 (= 0 ~systemActive~0))) (and (or (not .cse0) (and .cse1 .cse2) .cse3 (< ~methaneLevelCritical~0 1) (and .cse4 .cse1)) (or (and .cse4 .cse1 .cse0) (not (= ~methaneLevelCritical~0 0)) (and .cse1 .cse2 .cse0) .cse3))) [2023-11-06 22:54:45,840 INFO L895 garLoopResultBuilder]: At program point L226(line 226) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= |old(~pumpRunning~0)| 0)) (.cse3 (= 0 ~systemActive~0))) (and (or (not .cse0) (and .cse1 .cse2) .cse3 (< ~methaneLevelCritical~0 1)) (or (not (= ~methaneLevelCritical~0 0)) (and .cse1 .cse2 .cse0) .cse3))) [2023-11-06 22:54:45,840 INFO L895 garLoopResultBuilder]: At program point L228-2(lines 221 237) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (<= 2 ~waterLevel~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse1 (< ~methaneLevelCritical~0 1) (and (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~3#1|) (= ~pumpRunning~0 0) .cse0)))) [2023-11-06 22:54:45,840 INFO L899 garLoopResultBuilder]: For program point L226-1(line 226) no Hoare annotation was computed. [2023-11-06 22:54:45,841 INFO L895 garLoopResultBuilder]: At program point isHighWaterLevel_returnLabel#1(lines 302 320) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (and .cse1 .cse3 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0))) (.cse2 (<= 2 ~waterLevel~0)) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and .cse1 .cse2 .cse3) .cse4) (or (not .cse3) .cse0 (and .cse1 .cse2) .cse4 (< ~methaneLevelCritical~0 1))))) [2023-11-06 22:54:45,841 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 136 160) no Hoare annotation was computed. [2023-11-06 22:54:45,841 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 315) no Hoare annotation was computed. [2023-11-06 22:54:45,841 INFO L895 garLoopResultBuilder]: At program point L150(line 150) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0) .cse2)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse2) .cse0 .cse1 (< ~methaneLevelCritical~0 1))))) [2023-11-06 22:54:45,842 INFO L899 garLoopResultBuilder]: For program point L311-2(lines 311 315) no Hoare annotation was computed. [2023-11-06 22:54:45,842 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 152) no Hoare annotation was computed. [2023-11-06 22:54:45,842 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 157) no Hoare annotation was computed. [2023-11-06 22:54:45,842 INFO L895 garLoopResultBuilder]: At program point activatePump__wrappee__lowWaterSensor_returnLabel#1(lines 213 220) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (< ~methaneLevelCritical~0 1)) (or (<= 2 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-11-06 22:54:45,842 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 499 510) no Hoare annotation was computed. [2023-11-06 22:54:45,843 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 499 510) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (< ~methaneLevelCritical~0 1)) (or .cse2 .cse1 (= 0 ~systemActive~0)) (or .cse0 .cse2 .cse1))) [2023-11-06 22:54:45,843 INFO L899 garLoopResultBuilder]: For program point L503-1(lines 499 510) no Hoare annotation was computed. [2023-11-06 22:54:45,843 INFO L902 garLoopResultBuilder]: At program point L251(line 251) the Hoare annotation is: true [2023-11-06 22:54:45,843 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 246 256) no Hoare annotation was computed. [2023-11-06 22:54:45,843 INFO L899 garLoopResultBuilder]: For program point L251-1(line 251) no Hoare annotation was computed. [2023-11-06 22:54:45,844 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 246 256) the Hoare annotation is: true [2023-11-06 22:54:45,844 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 246 256) no Hoare annotation was computed. [2023-11-06 22:54:45,847 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:54:45,850 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:54:45,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:54:45 BoogieIcfgContainer [2023-11-06 22:54:45,890 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:54:45,891 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:54:45,891 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:54:45,891 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:54:45,892 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:34" (3/4) ... [2023-11-06 22:54:45,894 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:54:45,900 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-06 22:54:45,900 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-06 22:54:45,900 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-06 22:54:45,900 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-06 22:54:45,900 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-06 22:54:45,900 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-06 22:54:45,901 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:54:45,901 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-06 22:54:45,901 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2023-11-06 22:54:45,901 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2023-11-06 22:54:45,913 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-06 22:54:45,914 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-06 22:54:45,915 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 22:54:45,916 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:54:45,917 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:54:45,952 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (waterLevel == 1)) && !((0 == systemActive))) [2023-11-06 22:54:45,952 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive))) [2023-11-06 22:54:45,952 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive))) [2023-11-06 22:54:45,953 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) || (((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0))) || (((((methaneLevelCritical == 0) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) [2023-11-06 22:54:45,954 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) && (!((\old(pumpRunning) == 0)) || (methaneLevelCritical < 1))) && (((pumpRunning == \old(pumpRunning)) || !((methaneLevelCritical == 0))) || (0 == systemActive))) && (((pumpRunning == \old(pumpRunning)) || (0 == systemActive)) || (methaneLevelCritical < 1))) [2023-11-06 22:54:45,954 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive))) && (((pumpRunning == 0) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((!((\old(pumpRunning) == 0)) || (\old(waterLevel) == waterLevel)) || (methaneLevelCritical < 1))) && ((!((\old(pumpRunning) == 0)) || (methaneLevelCritical < 1)) || !((0 == systemActive)))) && ((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || (\old(waterLevel) == waterLevel))) && (((((pumpRunning == \old(pumpRunning)) || (pumpRunning == 0)) || (2 <= waterLevel)) || !((methaneLevelCritical == 0))) || (0 == systemActive))) [2023-11-06 22:54:45,956 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 0) && !((0 == systemActive))) || (0 == systemActive)) || (methaneLevelCritical < 1)) && ((((((pumpRunning == \old(pumpRunning)) && (tmp == 0)) || !((methaneLevelCritical == 0))) || ((2 <= waterLevel) && (tmp == 0))) || (((pumpRunning == 0) && (tmp == 0)) && !((0 == systemActive)))) || (0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (tmp == 0))) || !((0 == systemActive)))) && ((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && ((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || (\old(waterLevel) == waterLevel))) [2023-11-06 22:54:45,956 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= methaneLevelCritical) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive))) || (((((methaneLevelCritical == 0) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) [2023-11-06 22:54:45,957 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && (0 == systemActive)) || ((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && (0 == systemActive))) [2023-11-06 22:54:45,957 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) && ((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && ((((pumpRunning == 0) && (\result == 0)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (!((methaneLevelCritical == 0)) || (0 == systemActive))) [2023-11-06 22:54:45,957 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel) || !((methaneLevelCritical == 0))) || (0 == systemActive)) && (((!((\old(pumpRunning) == 0)) || (0 == systemActive)) || (methaneLevelCritical < 1)) || (((methaneLevelCritical == tmp) && (pumpRunning == 0)) && (2 <= waterLevel)))) [2023-11-06 22:54:45,958 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!((\old(pumpRunning) == 0)) || (0 == systemActive)) || (methaneLevelCritical < 1)) && (((2 <= waterLevel) || !((methaneLevelCritical == 0))) || (0 == systemActive))) [2023-11-06 22:54:45,958 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || (0 == systemActive)) && ((!((\old(pumpRunning) == 0)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((pumpRunning == \old(pumpRunning)) || !((methaneLevelCritical == 0))) || (0 == systemActive))) [2023-11-06 22:54:45,958 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || (methaneLevelCritical < 1)) || ((1 <= \result) && (pumpRunning == 0))) && ((((((1 <= \result) && (pumpRunning == 0)) && (\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || (((pumpRunning == 0) && (2 <= waterLevel)) && (\old(pumpRunning) == 0))) || (0 == systemActive))) [2023-11-06 22:54:45,958 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) && ((0 == systemActive) || (methaneLevelCritical < 1))) && (!((\old(pumpRunning) == 0)) || (methaneLevelCritical < 1))) && (!((methaneLevelCritical == 0)) || (0 == systemActive))) [2023-11-06 22:54:45,959 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || (0 == systemActive)) && ((!((\old(pumpRunning) == 0)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((pumpRunning == \old(pumpRunning)) || !((methaneLevelCritical == 0))) || (0 == systemActive))) [2023-11-06 22:54:45,959 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (\result == 0)) && (tmp___0 == 0)) || !((methaneLevelCritical == 0))) || (((pumpRunning == 0) && (2 <= waterLevel)) && (\old(pumpRunning) == 0))) || (0 == systemActive)) && ((((!((\old(pumpRunning) == 0)) || ((((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (\result == 0)) && (tmp___0 == 0))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || (methaneLevelCritical < 1))) [2023-11-06 22:54:45,997 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (waterLevel == 1)) && !((0 == systemActive))) [2023-11-06 22:54:45,998 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive))) [2023-11-06 22:54:45,998 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive))) [2023-11-06 22:54:45,998 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) || (((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0))) || (((((methaneLevelCritical == 0) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) [2023-11-06 22:54:45,998 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) && (!((\old(pumpRunning) == 0)) || (methaneLevelCritical < 1))) && (((pumpRunning == \old(pumpRunning)) || !((methaneLevelCritical == 0))) || (0 == systemActive))) && (((pumpRunning == \old(pumpRunning)) || (0 == systemActive)) || (methaneLevelCritical < 1))) [2023-11-06 22:54:45,999 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive))) && (((pumpRunning == 0) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((!((\old(pumpRunning) == 0)) || (\old(waterLevel) == waterLevel)) || (methaneLevelCritical < 1))) && ((!((\old(pumpRunning) == 0)) || (methaneLevelCritical < 1)) || !((0 == systemActive)))) && ((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || (\old(waterLevel) == waterLevel))) && (((((pumpRunning == \old(pumpRunning)) || (pumpRunning == 0)) || (2 <= waterLevel)) || !((methaneLevelCritical == 0))) || (0 == systemActive))) [2023-11-06 22:54:45,999 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 0) && !((0 == systemActive))) || (0 == systemActive)) || (methaneLevelCritical < 1)) && ((((((pumpRunning == \old(pumpRunning)) && (tmp == 0)) || !((methaneLevelCritical == 0))) || ((2 <= waterLevel) && (tmp == 0))) || (((pumpRunning == 0) && (tmp == 0)) && !((0 == systemActive)))) || (0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (tmp == 0))) || !((0 == systemActive)))) && ((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && ((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || (\old(waterLevel) == waterLevel))) [2023-11-06 22:54:46,000 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= methaneLevelCritical) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive))) || (((((methaneLevelCritical == 0) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) [2023-11-06 22:54:46,000 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && (0 == systemActive)) || ((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && (0 == systemActive))) [2023-11-06 22:54:46,000 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) && ((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && ((((pumpRunning == 0) && (\result == 0)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (!((methaneLevelCritical == 0)) || (0 == systemActive))) [2023-11-06 22:54:46,000 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel) || !((methaneLevelCritical == 0))) || (0 == systemActive)) && (((!((\old(pumpRunning) == 0)) || (0 == systemActive)) || (methaneLevelCritical < 1)) || (((methaneLevelCritical == tmp) && (pumpRunning == 0)) && (2 <= waterLevel)))) [2023-11-06 22:54:46,000 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!((\old(pumpRunning) == 0)) || (0 == systemActive)) || (methaneLevelCritical < 1)) && (((2 <= waterLevel) || !((methaneLevelCritical == 0))) || (0 == systemActive))) [2023-11-06 22:54:46,001 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || (0 == systemActive)) && ((!((\old(pumpRunning) == 0)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((pumpRunning == \old(pumpRunning)) || !((methaneLevelCritical == 0))) || (0 == systemActive))) [2023-11-06 22:54:46,001 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || (methaneLevelCritical < 1)) || ((1 <= \result) && (pumpRunning == 0))) && ((((((1 <= \result) && (pumpRunning == 0)) && (\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || (((pumpRunning == 0) && (2 <= waterLevel)) && (\old(pumpRunning) == 0))) || (0 == systemActive))) [2023-11-06 22:54:46,001 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) && ((0 == systemActive) || (methaneLevelCritical < 1))) && (!((\old(pumpRunning) == 0)) || (methaneLevelCritical < 1))) && (!((methaneLevelCritical == 0)) || (0 == systemActive))) [2023-11-06 22:54:46,001 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || (0 == systemActive)) && ((!((\old(pumpRunning) == 0)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((pumpRunning == \old(pumpRunning)) || !((methaneLevelCritical == 0))) || (0 == systemActive))) [2023-11-06 22:54:46,001 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (\result == 0)) && (tmp___0 == 0)) || !((methaneLevelCritical == 0))) || (((pumpRunning == 0) && (2 <= waterLevel)) && (\old(pumpRunning) == 0))) || (0 == systemActive)) && ((((!((\old(pumpRunning) == 0)) || ((((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (\result == 0)) && (tmp___0 == 0))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || (methaneLevelCritical < 1))) [2023-11-06 22:54:46,017 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f31790-2515-42df-9f09-3f3d7ddd2bfa/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:54:46,017 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f31790-2515-42df-9f09-3f3d7ddd2bfa/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:54:46,018 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:54:46,018 INFO L158 Benchmark]: Toolchain (without parser) took 13194.20ms. Allocated memory was 134.2MB in the beginning and 251.7MB in the end (delta: 117.4MB). Free memory was 95.7MB in the beginning and 174.0MB in the end (delta: -78.3MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2023-11-06 22:54:46,018 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:54:46,019 INFO L158 Benchmark]: CACSL2BoogieTranslator took 626.68ms. Allocated memory is still 134.2MB. Free memory was 95.7MB in the beginning and 75.9MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:54:46,019 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.96ms. Allocated memory is still 134.2MB. Free memory was 75.9MB in the beginning and 73.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:54:46,020 INFO L158 Benchmark]: Boogie Preprocessor took 34.06ms. Allocated memory is still 134.2MB. Free memory was 73.5MB in the beginning and 71.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:54:46,020 INFO L158 Benchmark]: RCFGBuilder took 624.44ms. Allocated memory is still 134.2MB. Free memory was 71.7MB in the beginning and 102.6MB in the end (delta: -30.9MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2023-11-06 22:54:46,020 INFO L158 Benchmark]: TraceAbstraction took 11719.69ms. Allocated memory was 134.2MB in the beginning and 251.7MB in the end (delta: 117.4MB). Free memory was 101.9MB in the beginning and 182.4MB in the end (delta: -80.5MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2023-11-06 22:54:46,021 INFO L158 Benchmark]: Witness Printer took 126.81ms. Allocated memory is still 251.7MB. Free memory was 182.4MB in the beginning and 174.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:54:46,023 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 is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 626.68ms. Allocated memory is still 134.2MB. Free memory was 95.7MB in the beginning and 75.9MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.96ms. Allocated memory is still 134.2MB. Free memory was 75.9MB in the beginning and 73.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.06ms. Allocated memory is still 134.2MB. Free memory was 73.5MB in the beginning and 71.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 624.44ms. Allocated memory is still 134.2MB. Free memory was 71.7MB in the beginning and 102.6MB in the end (delta: -30.9MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * TraceAbstraction took 11719.69ms. Allocated memory was 134.2MB in the beginning and 251.7MB in the end (delta: 117.4MB). Free memory was 101.9MB in the beginning and 182.4MB in the end (delta: -80.5MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. * Witness Printer took 126.81ms. Allocated memory is still 251.7MB. Free memory was 182.4MB in the beginning and 174.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. 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,"MinePump.i","") [87] - GenericResultAtLocation [Line: 363]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [363] - GenericResultAtLocation [Line: 435]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [435] - GenericResultAtLocation [Line: 444]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [444] - GenericResultAtLocation [Line: 483]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [483] - GenericResultAtLocation [Line: 587]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [587] - GenericResultAtLocation [Line: 684]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [684] * 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: 440]: 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 11 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.6s, OverallIterations: 10, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1419 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1376 mSDsluCounter, 4269 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3019 mSDsCounter, 391 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1533 IncrementalHoareTripleChecker+Invalid, 1924 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 391 mSolverCounterUnsat, 1250 mSDtfsCounter, 1533 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 322 GetRequests, 232 SyntacticMatches, 1 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=861occurred in iteration=9, InterpolantAutomatonStates: 80, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 64 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 1684 PreInvPairs, 2081 NumberOfFragments, 1624 HoareAnnotationTreeSize, 1684 FomulaSimplifications, 3889 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 53 FomulaSimplificationsInter, 13344 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 683 NumberOfCodeBlocks, 683 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 672 ConstructedInterpolants, 0 QuantifiedInterpolants, 1064 SizeOfPredicates, 3 NumberOfNonLiveVariables, 400 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 110/113 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: 643]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive))) - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive))) - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: (((!((\old(pumpRunning) == 0)) || (0 == systemActive)) || (methaneLevelCritical < 1)) && (((2 <= waterLevel) || !((methaneLevelCritical == 0))) || (0 == systemActive))) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (waterLevel == 1)) && !((0 == systemActive))) - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) || (((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0))) || (((((methaneLevelCritical == 0) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: ((((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || (0 == systemActive)) && ((!((\old(pumpRunning) == 0)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((pumpRunning == \old(pumpRunning)) || !((methaneLevelCritical == 0))) || (0 == systemActive))) - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: ((((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) && ((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && ((((pumpRunning == 0) && (\result == 0)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (!((methaneLevelCritical == 0)) || (0 == systemActive))) - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: ((((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) && (!((\old(pumpRunning) == 0)) || (methaneLevelCritical < 1))) && (((pumpRunning == \old(pumpRunning)) || !((methaneLevelCritical == 0))) || (0 == systemActive))) && (((pumpRunning == \old(pumpRunning)) || (0 == systemActive)) || (methaneLevelCritical < 1))) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (((((((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive))) && (((pumpRunning == 0) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((!((\old(pumpRunning) == 0)) || (\old(waterLevel) == waterLevel)) || (methaneLevelCritical < 1))) && ((!((\old(pumpRunning) == 0)) || (methaneLevelCritical < 1)) || !((0 == systemActive)))) && ((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || (\old(waterLevel) == waterLevel))) && (((((pumpRunning == \old(pumpRunning)) || (pumpRunning == 0)) || (2 <= waterLevel)) || !((methaneLevelCritical == 0))) || (0 == systemActive))) - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: (((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || (methaneLevelCritical < 1)) || ((1 <= \result) && (pumpRunning == 0))) && ((((((1 <= \result) && (pumpRunning == 0)) && (\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || (((pumpRunning == 0) && (2 <= waterLevel)) && (\old(pumpRunning) == 0))) || (0 == systemActive))) - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (\result == 0)) && (tmp___0 == 0)) || !((methaneLevelCritical == 0))) || (((pumpRunning == 0) && (2 <= waterLevel)) && (\old(pumpRunning) == 0))) || (0 == systemActive)) && ((((!((\old(pumpRunning) == 0)) || ((((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (\result == 0)) && (tmp___0 == 0))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || (methaneLevelCritical < 1))) - InvariantResult [Line: 367]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && (0 == systemActive)) || ((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && (0 == systemActive))) - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: ((((((1 <= methaneLevelCritical) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive))) || (((((methaneLevelCritical == 0) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: ((((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) && ((0 == systemActive) || (methaneLevelCritical < 1))) && (!((\old(pumpRunning) == 0)) || (methaneLevelCritical < 1))) && (!((methaneLevelCritical == 0)) || (0 == systemActive))) - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (waterLevel == 1)) && !((0 == systemActive))) - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel) || !((methaneLevelCritical == 0))) || (0 == systemActive)) && (((!((\old(pumpRunning) == 0)) || (0 == systemActive)) || (methaneLevelCritical < 1)) || (((methaneLevelCritical == tmp) && (pumpRunning == 0)) && (2 <= waterLevel)))) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (waterLevel == 1)) && !((0 == systemActive))) - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: ((((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || (0 == systemActive)) && ((!((\old(pumpRunning) == 0)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((pumpRunning == \old(pumpRunning)) || !((methaneLevelCritical == 0))) || (0 == systemActive))) - InvariantResult [Line: 661]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 0) && !((0 == systemActive))) || (0 == systemActive)) || (methaneLevelCritical < 1)) && ((((((pumpRunning == \old(pumpRunning)) && (tmp == 0)) || !((methaneLevelCritical == 0))) || ((2 <= waterLevel) && (tmp == 0))) || (((pumpRunning == 0) && (tmp == 0)) && !((0 == systemActive)))) || (0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (tmp == 0))) || !((0 == systemActive)))) && ((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && ((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || (\old(waterLevel) == waterLevel))) RESULT: Ultimate proved your program to be correct! [2023-11-06 22:54:46,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f31790-2515-42df-9f09-3f3d7ddd2bfa/bin/uautomizer-verify-WvqO1wxjHP/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