./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/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_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/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_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/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 bd2232848f38516f4fb4022953e113fa5008bf5804c5e85e87585cfa28da0689 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:59:47,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:59:47,817 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:59:47,821 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:59:47,822 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:59:47,855 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:59:47,855 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:59:47,856 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:59:47,857 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:59:47,857 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:59:47,858 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:59:47,859 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:59:47,859 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:59:47,860 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:59:47,861 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:59:47,861 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:59:47,862 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:59:47,863 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:59:47,863 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:59:47,864 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:59:47,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:59:47,865 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:59:47,866 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:59:47,866 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:59:47,867 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:59:47,868 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:59:47,868 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:59:47,869 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:59:47,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:59:47,870 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:59:47,871 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:59:47,871 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:59:47,872 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:59:47,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:59:47,873 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:59:47,873 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:59:47,874 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:59:47,874 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:59:47,875 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:59:47,875 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_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd2232848f38516f4fb4022953e113fa5008bf5804c5e85e87585cfa28da0689 [2023-11-06 22:59:48,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:59:48,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:59:48,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:59:48,261 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:59:48,262 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:59:48,263 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2023-11-06 22:59:51,419 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:59:51,695 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:59:51,696 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2023-11-06 22:59:51,720 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/bin/uautomizer-verify-WvqO1wxjHP/data/632acd675/e629f189dcb54a4c8c5552b7a720e22d/FLAG5667d8118 [2023-11-06 22:59:51,742 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/bin/uautomizer-verify-WvqO1wxjHP/data/632acd675/e629f189dcb54a4c8c5552b7a720e22d [2023-11-06 22:59:51,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:59:51,747 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:59:51,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:59:51,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:59:51,756 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:59:51,757 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:59:51" (1/1) ... [2023-11-06 22:59:51,758 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43d4316d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:51, skipping insertion in model container [2023-11-06 22:59:51,758 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:59:51" (1/1) ... [2023-11-06 22:59:51,836 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:59:52,197 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_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c[18533,18546] [2023-11-06 22:59:52,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:59:52,215 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:59:52,226 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2023-11-06 22:59:52,227 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] [2023-11-06 22:59:52,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [362] [2023-11-06 22:59:52,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [390] [2023-11-06 22:59:52,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [489] [2023-11-06 22:59:52,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [855] [2023-11-06 22:59:52,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [958] [2023-11-06 22:59:52,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [967] [2023-11-06 22:59:52,289 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_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c[18533,18546] [2023-11-06 22:59:52,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:59:52,327 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:59:52,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:52 WrapperNode [2023-11-06 22:59:52,328 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:59:52,329 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:59:52,329 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:59:52,329 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:59:52,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:52" (1/1) ... [2023-11-06 22:59:52,360 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:52" (1/1) ... [2023-11-06 22:59:52,389 INFO L138 Inliner]: procedures = 57, calls = 103, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 231 [2023-11-06 22:59:52,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:59:52,390 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:59:52,390 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:59:52,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:59:52,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:52" (1/1) ... [2023-11-06 22:59:52,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:52" (1/1) ... [2023-11-06 22:59:52,409 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:52" (1/1) ... [2023-11-06 22:59:52,410 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:52" (1/1) ... [2023-11-06 22:59:52,418 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:52" (1/1) ... [2023-11-06 22:59:52,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:52" (1/1) ... [2023-11-06 22:59:52,436 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:52" (1/1) ... [2023-11-06 22:59:52,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:52" (1/1) ... [2023-11-06 22:59:52,443 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:59:52,444 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:59:52,445 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:59:52,445 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:59:52,446 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:52" (1/1) ... [2023-11-06 22:59:52,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:59:52,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:52,486 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:52,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:59:52,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:59:52,532 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-06 22:59:52,532 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-06 22:59:52,533 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-06 22:59:52,535 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-06 22:59:52,535 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-06 22:59:52,536 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-06 22:59:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:59:52,536 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:59:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-06 22:59:52,536 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-06 22:59:52,537 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-06 22:59:52,537 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-06 22:59:52,537 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-06 22:59:52,537 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-06 22:59:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:59:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-06 22:59:52,539 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-06 22:59:52,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:59:52,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:59:52,679 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:59:52,685 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:59:53,052 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:59:53,060 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:59:53,060 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:59:53,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:59:53 BoogieIcfgContainer [2023-11-06 22:59:53,063 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:59:53,070 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:59:53,070 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:59:53,074 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:59:53,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:59:51" (1/3) ... [2023-11-06 22:59:53,076 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdf1700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:59:53, skipping insertion in model container [2023-11-06 22:59:53,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:52" (2/3) ... [2023-11-06 22:59:53,078 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdf1700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:59:53, skipping insertion in model container [2023-11-06 22:59:53,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:59:53" (3/3) ... [2023-11-06 22:59:53,080 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product54.cil.c [2023-11-06 22:59:53,097 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:59:53,098 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:59:53,155 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:59:53,163 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;@2d783bec, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:59:53,163 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:59:53,168 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 72 states have (on average 1.3888888888888888) internal successors, (100), 82 states have internal predecessors, (100), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 22:59:53,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-06 22:59:53,178 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:59:53,179 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:59:53,179 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:59:53,185 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:53,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1209428772, now seen corresponding path program 1 times [2023-11-06 22:59:53,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:53,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651403560] [2023-11-06 22:59:53,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:53,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:53,427 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 22:59:53,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:59:53,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651403560] [2023-11-06 22:59:53,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651403560] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:59:53,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:59:53,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:59:53,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896460157] [2023-11-06 22:59:53,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:59:53,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:59:53,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:59:53,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:59:53,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:59:53,478 INFO L87 Difference]: Start difference. First operand has 96 states, 72 states have (on average 1.3888888888888888) internal successors, (100), 82 states have internal predecessors, (100), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:59:53,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:59:53,522 INFO L93 Difference]: Finished difference Result 184 states and 251 transitions. [2023-11-06 22:59:53,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:59:53,525 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2023-11-06 22:59:53,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:59:53,535 INFO L225 Difference]: With dead ends: 184 [2023-11-06 22:59:53,535 INFO L226 Difference]: Without dead ends: 87 [2023-11-06 22:59:53,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:59:53,551 INFO L413 NwaCegarLoop]: 122 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, 122 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 22:59:53,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:59:53,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-06 22:59:53,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-11-06 22:59:53,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 65 states have (on average 1.323076923076923) internal successors, (86), 74 states have internal predecessors, (86), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-06 22:59:53,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 113 transitions. [2023-11-06 22:59:53,635 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 113 transitions. Word has length 19 [2023-11-06 22:59:53,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:59:53,636 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 113 transitions. [2023-11-06 22:59:53,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:59:53,636 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 113 transitions. [2023-11-06 22:59:53,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-06 22:59:53,639 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:59:53,639 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] [2023-11-06 22:59:53,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:59:53,640 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:59:53,640 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:53,641 INFO L85 PathProgramCache]: Analyzing trace with hash -560123068, now seen corresponding path program 1 times [2023-11-06 22:59:53,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:53,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139900272] [2023-11-06 22:59:53,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:53,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:53,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:53,843 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 22:59:53,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:59:53,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139900272] [2023-11-06 22:59:53,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139900272] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:59:53,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:59:53,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:59:53,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276967267] [2023-11-06 22:59:53,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:59:53,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:59:53,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:59:53,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:59:53,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:59:53,848 INFO L87 Difference]: Start difference. First operand 87 states and 113 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:59:53,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:59:53,888 INFO L93 Difference]: Finished difference Result 139 states and 181 transitions. [2023-11-06 22:59:53,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:59:53,889 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2023-11-06 22:59:53,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:59:53,893 INFO L225 Difference]: With dead ends: 139 [2023-11-06 22:59:53,893 INFO L226 Difference]: Without dead ends: 78 [2023-11-06 22:59:53,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:59:53,896 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 13 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 183 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 22:59:53,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 183 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:59:53,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-06 22:59:53,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-11-06 22:59:53,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 59 states have (on average 1.3389830508474576) internal successors, (79), 68 states have internal predecessors, (79), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 6 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-06 22:59:53,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 101 transitions. [2023-11-06 22:59:53,913 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 101 transitions. Word has length 20 [2023-11-06 22:59:53,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:59:53,914 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 101 transitions. [2023-11-06 22:59:53,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:59:53,914 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 101 transitions. [2023-11-06 22:59:53,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-06 22:59:53,916 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:59:53,916 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 22:59:53,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:59:53,917 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:59:53,917 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:53,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1515126443, now seen corresponding path program 1 times [2023-11-06 22:59:53,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:53,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031498531] [2023-11-06 22:59:53,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:53,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:54,063 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 22:59:54,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:59:54,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031498531] [2023-11-06 22:59:54,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031498531] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:59:54,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:59:54,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:59:54,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544687445] [2023-11-06 22:59:54,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:59:54,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:59:54,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:59:54,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:59:54,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:59:54,066 INFO L87 Difference]: Start difference. First operand 78 states and 101 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:59:54,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:59:54,116 INFO L93 Difference]: Finished difference Result 149 states and 196 transitions. [2023-11-06 22:59:54,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:59:54,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2023-11-06 22:59:54,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:59:54,142 INFO L225 Difference]: With dead ends: 149 [2023-11-06 22:59:54,142 INFO L226 Difference]: Without dead ends: 78 [2023-11-06 22:59:54,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:59:54,145 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 95 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:59:54,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 99 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:59:54,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-06 22:59:54,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-11-06 22:59:54,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 68 states have internal predecessors, (78), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 6 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-06 22:59:54,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2023-11-06 22:59:54,167 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 25 [2023-11-06 22:59:54,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:59:54,167 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2023-11-06 22:59:54,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:59:54,168 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2023-11-06 22:59:54,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-06 22:59:54,170 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:59:54,170 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 22:59:54,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:59:54,170 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:59:54,171 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:54,171 INFO L85 PathProgramCache]: Analyzing trace with hash -736049444, now seen corresponding path program 1 times [2023-11-06 22:59:54,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:54,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254494097] [2023-11-06 22:59:54,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:54,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:54,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 22:59:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:54,289 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 22:59:54,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:59:54,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254494097] [2023-11-06 22:59:54,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254494097] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:59:54,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:59:54,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:59:54,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928582089] [2023-11-06 22:59:54,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:59:54,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:59:54,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:59:54,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:59:54,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:59:54,296 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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 22:59:54,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:59:54,527 INFO L93 Difference]: Finished difference Result 220 states and 285 transitions. [2023-11-06 22:59:54,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:59:54,528 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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 34 [2023-11-06 22:59:54,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:59:54,535 INFO L225 Difference]: With dead ends: 220 [2023-11-06 22:59:54,535 INFO L226 Difference]: Without dead ends: 149 [2023-11-06 22:59:54,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:59:54,541 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 153 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:59:54,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 199 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:59:54,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2023-11-06 22:59:54,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 143. [2023-11-06 22:59:54,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 110 states have (on average 1.2818181818181817) internal successors, (141), 118 states have internal predecessors, (141), 14 states have call successors, (14), 13 states have call predecessors, (14), 18 states have return successors, (25), 16 states have call predecessors, (25), 14 states have call successors, (25) [2023-11-06 22:59:54,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 180 transitions. [2023-11-06 22:59:54,569 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 180 transitions. Word has length 34 [2023-11-06 22:59:54,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:59:54,570 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 180 transitions. [2023-11-06 22:59:54,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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 22:59:54,570 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 180 transitions. [2023-11-06 22:59:54,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-06 22:59:54,572 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:59:54,572 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:59:54,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:59:54,573 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:59:54,574 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:54,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1212283015, now seen corresponding path program 1 times [2023-11-06 22:59:54,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:54,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098689912] [2023-11-06 22:59:54,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:54,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:54,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:59:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:54,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:59:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:54,739 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 22:59:54,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:59:54,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098689912] [2023-11-06 22:59:54,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098689912] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:59:54,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:59:54,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:59:54,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975493747] [2023-11-06 22:59:54,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:59:54,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:59:54,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:59:54,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:59:54,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:59:54,743 INFO L87 Difference]: Start difference. First operand 143 states and 180 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:59:54,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:59:54,930 INFO L93 Difference]: Finished difference Result 292 states and 382 transitions. [2023-11-06 22:59:54,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:59:54,931 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 44 [2023-11-06 22:59:54,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:59:54,933 INFO L225 Difference]: With dead ends: 292 [2023-11-06 22:59:54,933 INFO L226 Difference]: Without dead ends: 156 [2023-11-06 22:59:54,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:59:54,936 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 159 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:59:54,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 291 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:59:54,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-11-06 22:59:54,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 145. [2023-11-06 22:59:54,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 112 states have (on average 1.2767857142857142) internal successors, (143), 120 states have internal predecessors, (143), 14 states have call successors, (14), 13 states have call predecessors, (14), 18 states have return successors, (25), 16 states have call predecessors, (25), 14 states have call successors, (25) [2023-11-06 22:59:54,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 182 transitions. [2023-11-06 22:59:54,961 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 182 transitions. Word has length 44 [2023-11-06 22:59:54,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:59:54,961 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 182 transitions. [2023-11-06 22:59:54,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:59:54,962 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 182 transitions. [2023-11-06 22:59:54,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-06 22:59:54,963 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:59:54,964 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:59:54,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:59:54,964 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:59:54,965 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:54,965 INFO L85 PathProgramCache]: Analyzing trace with hash -191214661, now seen corresponding path program 1 times [2023-11-06 22:59:54,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:54,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345350798] [2023-11-06 22:59:54,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:54,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:55,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:59:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:55,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:59:55,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:55,126 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 22:59:55,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:59:55,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345350798] [2023-11-06 22:59:55,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345350798] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:59:55,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:59:55,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:59:55,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500085686] [2023-11-06 22:59:55,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:59:55,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:59:55,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:59:55,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:59:55,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:59:55,130 INFO L87 Difference]: Start difference. First operand 145 states and 182 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:59:55,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:59:55,329 INFO L93 Difference]: Finished difference Result 291 states and 373 transitions. [2023-11-06 22:59:55,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:59:55,330 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 44 [2023-11-06 22:59:55,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:59:55,335 INFO L225 Difference]: With dead ends: 291 [2023-11-06 22:59:55,335 INFO L226 Difference]: Without dead ends: 153 [2023-11-06 22:59:55,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 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 22:59:55,339 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 65 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:59:55,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 390 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:59:55,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2023-11-06 22:59:55,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 148. [2023-11-06 22:59:55,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 115 states have (on average 1.2695652173913043) internal successors, (146), 123 states have internal predecessors, (146), 14 states have call successors, (14), 13 states have call predecessors, (14), 18 states have return successors, (25), 16 states have call predecessors, (25), 14 states have call successors, (25) [2023-11-06 22:59:55,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 185 transitions. [2023-11-06 22:59:55,397 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 185 transitions. Word has length 44 [2023-11-06 22:59:55,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:59:55,397 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 185 transitions. [2023-11-06 22:59:55,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:59:55,399 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 185 transitions. [2023-11-06 22:59:55,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-06 22:59:55,405 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:59:55,405 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:59:55,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:59:55,406 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:59:55,406 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:55,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1088539575, now seen corresponding path program 1 times [2023-11-06 22:59:55,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:55,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857923351] [2023-11-06 22:59:55,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:55,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:55,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:59:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:55,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:59:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:55,557 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 22:59:55,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:59:55,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857923351] [2023-11-06 22:59:55,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857923351] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:59:55,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:59:55,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:59:55,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689958042] [2023-11-06 22:59:55,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:59:55,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:59:55,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:59:55,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:59:55,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:59:55,560 INFO L87 Difference]: Start difference. First operand 148 states and 185 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:59:55,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:59:55,824 INFO L93 Difference]: Finished difference Result 414 states and 543 transitions. [2023-11-06 22:59:55,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:59:55,825 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2023-11-06 22:59:55,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:59:55,827 INFO L225 Difference]: With dead ends: 414 [2023-11-06 22:59:55,827 INFO L226 Difference]: Without dead ends: 273 [2023-11-06 22:59:55,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 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 22:59:55,829 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 202 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:59:55,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 310 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:59:55,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2023-11-06 22:59:55,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 265. [2023-11-06 22:59:55,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 204 states have (on average 1.25) internal successors, (255), 216 states have internal predecessors, (255), 29 states have call successors, (29), 28 states have call predecessors, (29), 31 states have return successors, (55), 30 states have call predecessors, (55), 29 states have call successors, (55) [2023-11-06 22:59:55,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 339 transitions. [2023-11-06 22:59:55,867 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 339 transitions. Word has length 44 [2023-11-06 22:59:55,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:59:55,867 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 339 transitions. [2023-11-06 22:59:55,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:59:55,868 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 339 transitions. [2023-11-06 22:59:55,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-06 22:59:55,870 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:59:55,870 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:59:55,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:59:55,870 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:59:55,870 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:55,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1642882216, now seen corresponding path program 1 times [2023-11-06 22:59:55,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:55,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094176277] [2023-11-06 22:59:55,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:55,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:55,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:59:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:55,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:59:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:55,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:59:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:55,995 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 22:59:55,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:59:55,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094176277] [2023-11-06 22:59:55,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094176277] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:59:55,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:59:55,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:59:55,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747126453] [2023-11-06 22:59:55,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:59:55,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:59:55,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:59:55,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:59:55,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:59:55,997 INFO L87 Difference]: Start difference. First operand 265 states and 339 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:59:56,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:59:56,219 INFO L93 Difference]: Finished difference Result 523 states and 670 transitions. [2023-11-06 22:59:56,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:59:56,219 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2023-11-06 22:59:56,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:59:56,224 INFO L225 Difference]: With dead ends: 523 [2023-11-06 22:59:56,225 INFO L226 Difference]: Without dead ends: 265 [2023-11-06 22:59:56,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:59:56,232 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 112 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:59:56,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 348 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:59:56,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2023-11-06 22:59:56,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 263. [2023-11-06 22:59:56,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 202 states have (on average 1.2425742574257426) internal successors, (251), 214 states have internal predecessors, (251), 29 states have call successors, (29), 28 states have call predecessors, (29), 31 states have return successors, (55), 30 states have call predecessors, (55), 29 states have call successors, (55) [2023-11-06 22:59:56,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 335 transitions. [2023-11-06 22:59:56,271 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 335 transitions. Word has length 46 [2023-11-06 22:59:56,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:59:56,279 INFO L495 AbstractCegarLoop]: Abstraction has 263 states and 335 transitions. [2023-11-06 22:59:56,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:59:56,280 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 335 transitions. [2023-11-06 22:59:56,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-06 22:59:56,282 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:59:56,282 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:59:56,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:59:56,282 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:59:56,283 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:56,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1115763235, now seen corresponding path program 1 times [2023-11-06 22:59:56,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:56,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369453447] [2023-11-06 22:59:56,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:56,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:56,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:56,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:59:56,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:56,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 22:59:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:56,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:59:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:56,468 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 22:59:56,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:59:56,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369453447] [2023-11-06 22:59:56,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369453447] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:59:56,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:59:56,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:59:56,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082423861] [2023-11-06 22:59:56,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:59:56,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:59:56,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:59:56,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:59:56,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:59:56,473 INFO L87 Difference]: Start difference. First operand 263 states and 335 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:59:57,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:59:57,044 INFO L93 Difference]: Finished difference Result 548 states and 721 transitions. [2023-11-06 22:59:57,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 22:59:57,045 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2023-11-06 22:59:57,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:59:57,048 INFO L225 Difference]: With dead ends: 548 [2023-11-06 22:59:57,048 INFO L226 Difference]: Without dead ends: 338 [2023-11-06 22:59:57,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:59:57,050 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 189 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:59:57,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 452 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:59:57,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2023-11-06 22:59:57,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 302. [2023-11-06 22:59:57,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 233 states have (on average 1.2188841201716738) internal successors, (284), 249 states have internal predecessors, (284), 32 states have call successors, (32), 28 states have call predecessors, (32), 36 states have return successors, (69), 34 states have call predecessors, (69), 32 states have call successors, (69) [2023-11-06 22:59:57,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 385 transitions. [2023-11-06 22:59:57,093 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 385 transitions. Word has length 48 [2023-11-06 22:59:57,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:59:57,094 INFO L495 AbstractCegarLoop]: Abstraction has 302 states and 385 transitions. [2023-11-06 22:59:57,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:59:57,094 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 385 transitions. [2023-11-06 22:59:57,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-06 22:59:57,096 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:59:57,096 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-06 22:59:57,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:59:57,096 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:59:57,096 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:57,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1250129477, now seen corresponding path program 1 times [2023-11-06 22:59:57,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:57,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901513560] [2023-11-06 22:59:57,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:57,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:57,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:59:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:57,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:59:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:57,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:59:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:57,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:59:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:57,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 22:59:57,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:57,224 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 22:59:57,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:59:57,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901513560] [2023-11-06 22:59:57,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901513560] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:59:57,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200338005] [2023-11-06 22:59:57,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:57,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:59:57,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:57,231 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:59:57,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:59:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:57,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:59:57,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:57,532 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:59:57,532 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:59:57,732 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:59:57,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200338005] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:59:57,732 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:59:57,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 12 [2023-11-06 22:59:57,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119874967] [2023-11-06 22:59:57,733 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:59:57,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:59:57,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:59:57,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:59:57,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:59:57,735 INFO L87 Difference]: Start difference. First operand 302 states and 385 transitions. Second operand has 12 states, 12 states have (on average 8.583333333333334) internal successors, (103), 9 states have internal predecessors, (103), 3 states have call successors, (12), 6 states have call predecessors, (12), 4 states have return successors, (10), 4 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-06 22:59:59,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:59:59,247 INFO L93 Difference]: Finished difference Result 730 states and 986 transitions. [2023-11-06 22:59:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-11-06 22:59:59,248 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.583333333333334) internal successors, (103), 9 states have internal predecessors, (103), 3 states have call successors, (12), 6 states have call predecessors, (12), 4 states have return successors, (10), 4 states have call predecessors, (10), 2 states have call successors, (10) Word has length 77 [2023-11-06 22:59:59,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:59:59,254 INFO L225 Difference]: With dead ends: 730 [2023-11-06 22:59:59,255 INFO L226 Difference]: Without dead ends: 483 [2023-11-06 22:59:59,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 170 SyntacticMatches, 5 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 832 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=481, Invalid=2275, Unknown=0, NotChecked=0, Total=2756 [2023-11-06 22:59:59,259 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 486 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 1128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:59:59,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [491 Valid, 772 Invalid, 1128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:59:59,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2023-11-06 22:59:59,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 417. [2023-11-06 22:59:59,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 318 states have (on average 1.2138364779874213) internal successors, (386), 341 states have internal predecessors, (386), 47 states have call successors, (47), 41 states have call predecessors, (47), 51 states have return successors, (107), 46 states have call predecessors, (107), 47 states have call successors, (107) [2023-11-06 22:59:59,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 540 transitions. [2023-11-06 22:59:59,336 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 540 transitions. Word has length 77 [2023-11-06 22:59:59,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:59:59,336 INFO L495 AbstractCegarLoop]: Abstraction has 417 states and 540 transitions. [2023-11-06 22:59:59,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.583333333333334) internal successors, (103), 9 states have internal predecessors, (103), 3 states have call successors, (12), 6 states have call predecessors, (12), 4 states have return successors, (10), 4 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-06 22:59:59,337 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 540 transitions. [2023-11-06 22:59:59,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-06 22:59:59,341 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:59:59,341 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2023-11-06 22:59:59,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-06 22:59:59,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 22:59:59,553 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:59:59,553 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:59,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1710488291, now seen corresponding path program 1 times [2023-11-06 22:59:59,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:59,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807787540] [2023-11-06 22:59:59,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:59,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:59,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:59:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:59,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:59:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:59,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:59:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:59,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:59:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:59,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-06 22:59:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:59,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:59:59,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:00,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 23:00:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:00,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:00:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:00,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-06 23:00:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:00,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 23:00:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:00,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:00:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:00,015 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-06 23:00:00,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:00:00,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807787540] [2023-11-06 23:00:00,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807787540] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:00:00,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1815959517] [2023-11-06 23:00:00,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:00,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:00:00,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:00:00,017 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:00:00,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 23:00:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:00,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 23:00:00,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:00:00,406 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 80 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-06 23:00:00,406 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:00:00,702 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 53 proven. 23 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-06 23:00:00,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1815959517] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:00:00,702 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:00:00,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 17 [2023-11-06 23:00:00,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978381976] [2023-11-06 23:00:00,703 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:00:00,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-06 23:00:00,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:00:00,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-06 23:00:00,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2023-11-06 23:00:00,705 INFO L87 Difference]: Start difference. First operand 417 states and 540 transitions. Second operand has 17 states, 17 states have (on average 8.411764705882353) internal successors, (143), 15 states have internal predecessors, (143), 6 states have call successors, (27), 8 states have call predecessors, (27), 6 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2023-11-06 23:00:02,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:00:02,147 INFO L93 Difference]: Finished difference Result 1151 states and 1582 transitions. [2023-11-06 23:00:02,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-06 23:00:02,148 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 8.411764705882353) internal successors, (143), 15 states have internal predecessors, (143), 6 states have call successors, (27), 8 states have call predecessors, (27), 6 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 134 [2023-11-06 23:00:02,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:00:02,154 INFO L225 Difference]: With dead ends: 1151 [2023-11-06 23:00:02,154 INFO L226 Difference]: Without dead ends: 788 [2023-11-06 23:00:02,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 292 SyntacticMatches, 5 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=380, Invalid=1102, Unknown=0, NotChecked=0, Total=1482 [2023-11-06 23:00:02,159 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 584 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 1280 mSolverCounterSat, 231 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 965 SdHoareTripleChecker+Invalid, 1511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 231 IncrementalHoareTripleChecker+Valid, 1280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:00:02,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [588 Valid, 965 Invalid, 1511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [231 Valid, 1280 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-06 23:00:02,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2023-11-06 23:00:02,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 685. [2023-11-06 23:00:02,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 518 states have (on average 1.2065637065637065) internal successors, (625), 549 states have internal predecessors, (625), 78 states have call successors, (78), 71 states have call predecessors, (78), 88 states have return successors, (172), 80 states have call predecessors, (172), 78 states have call successors, (172) [2023-11-06 23:00:02,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 875 transitions. [2023-11-06 23:00:02,251 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 875 transitions. Word has length 134 [2023-11-06 23:00:02,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:00:02,252 INFO L495 AbstractCegarLoop]: Abstraction has 685 states and 875 transitions. [2023-11-06 23:00:02,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.411764705882353) internal successors, (143), 15 states have internal predecessors, (143), 6 states have call successors, (27), 8 states have call predecessors, (27), 6 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2023-11-06 23:00:02,252 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 875 transitions. [2023-11-06 23:00:02,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-06 23:00:02,257 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:00:02,258 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2023-11-06 23:00:02,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 23:00:02,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-06 23:00:02,464 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:00:02,464 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:00:02,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1764881189, now seen corresponding path program 1 times [2023-11-06 23:00:02,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:00:02,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500298038] [2023-11-06 23:00:02,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:02,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:00:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:02,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 23:00:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:02,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 23:00:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:02,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 23:00:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:02,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:00:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:02,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-06 23:00:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:02,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 23:00:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:02,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 23:00:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:02,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:00:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:02,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-06 23:00:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:02,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 23:00:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:02,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:00:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:02,731 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 45 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-06 23:00:02,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:00:02,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500298038] [2023-11-06 23:00:02,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500298038] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:00:02,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893255270] [2023-11-06 23:00:02,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:02,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:00:02,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:00:02,733 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:00:02,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 23:00:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:02,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 23:00:02,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:00:02,904 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-06 23:00:02,905 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:00:02,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893255270] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:00:02,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:00:02,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 8 [2023-11-06 23:00:02,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123068757] [2023-11-06 23:00:02,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:00:02,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:00:02,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:00:02,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:00:02,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:00:02,907 INFO L87 Difference]: Start difference. First operand 685 states and 875 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-06 23:00:02,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:00:02,969 INFO L93 Difference]: Finished difference Result 904 states and 1143 transitions. [2023-11-06 23:00:02,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:00:02,969 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 134 [2023-11-06 23:00:02,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:00:02,970 INFO L225 Difference]: With dead ends: 904 [2023-11-06 23:00:02,970 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 23:00:02,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-06 23:00:02,974 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 6 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:00:02,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 376 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:00:02,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 23:00:02,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 23:00:02,975 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 23:00:02,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 23:00:02,975 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134 [2023-11-06 23:00:02,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:00:02,976 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:00:02,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-06 23:00:02,976 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 23:00:02,976 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 23:00:02,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:00:02,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 23:00:03,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 23:00:03,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 23:00:05,275 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 252 259) no Hoare annotation was computed. [2023-11-06 23:00:05,275 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 252 259) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-11-06 23:00:05,275 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 252 259) no Hoare annotation was computed. [2023-11-06 23:00:05,275 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 159 165) no Hoare annotation was computed. [2023-11-06 23:00:05,275 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 159 165) the Hoare annotation is: true [2023-11-06 23:00:05,276 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 882 893) the Hoare annotation is: true [2023-11-06 23:00:05,276 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 882 893) no Hoare annotation was computed. [2023-11-06 23:00:05,276 INFO L899 garLoopResultBuilder]: For program point L886-1(lines 882 893) no Hoare annotation was computed. [2023-11-06 23:00:05,276 INFO L902 garLoopResultBuilder]: At program point L417(lines 392 421) the Hoare annotation is: true [2023-11-06 23:00:05,276 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 392 421) no Hoare annotation was computed. [2023-11-06 23:00:05,276 INFO L899 garLoopResultBuilder]: For program point L413(line 413) no Hoare annotation was computed. [2023-11-06 23:00:05,276 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 410) no Hoare annotation was computed. [2023-11-06 23:00:05,276 INFO L902 garLoopResultBuilder]: At program point L406-1(lines 406 410) the Hoare annotation is: true [2023-11-06 23:00:05,276 INFO L899 garLoopResultBuilder]: For program point L403(line 403) no Hoare annotation was computed. [2023-11-06 23:00:05,277 INFO L902 garLoopResultBuilder]: At program point L402-2(lines 402 416) the Hoare annotation is: true [2023-11-06 23:00:05,277 INFO L902 garLoopResultBuilder]: At program point L398(line 398) the Hoare annotation is: true [2023-11-06 23:00:05,277 INFO L899 garLoopResultBuilder]: For program point L398-1(line 398) no Hoare annotation was computed. [2023-11-06 23:00:05,277 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 392 421) the Hoare annotation is: true [2023-11-06 23:00:05,277 INFO L895 garLoopResultBuilder]: At program point L238(line 238) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (not .cse2)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 0) (< |old(~waterLevel~0)| 1) .cse1) (or .cse1 (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= ~waterLevel~0 1))))) [2023-11-06 23:00:05,277 INFO L895 garLoopResultBuilder]: At program point L238-1(lines 219 243) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (< |old(~waterLevel~0)| 2))) (and (let ((.cse1 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or (and .cse0 .cse1) .cse2 .cse3 (and (<= 2 ~waterLevel~0) .cse1))) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse2 (and .cse0 (= ~waterLevel~0 1))) (or .cse4 .cse2 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0)))) [2023-11-06 23:00:05,278 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 138 157) no Hoare annotation was computed. [2023-11-06 23:00:05,278 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 135 158) no Hoare annotation was computed. [2023-11-06 23:00:05,278 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 866) no Hoare annotation was computed. [2023-11-06 23:00:05,278 INFO L895 garLoopResultBuilder]: At program point L862-2(lines 858 869) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse0) (or .cse2 .cse0 .cse1))) [2023-11-06 23:00:05,278 INFO L895 garLoopResultBuilder]: At program point getWaterLevel_returnLabel#1(lines 926 934) the Hoare annotation is: (let ((.cse6 (<= 2 ~waterLevel~0)) (.cse9 (= 1 ~systemActive~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (<= 2 |timeShift_getWaterLevel_#res#1|))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and .cse6 .cse9 .cse5 .cse8)) (.cse1 (not .cse9)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse4 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= |timeShift_getWaterLevel_#res#1| 1)) (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (< |old(~waterLevel~0)| 1) (and .cse4 .cse5) .cse1 .cse3) (let ((.cse7 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or (and .cse6 .cse7 .cse8) .cse1 .cse2 (and .cse4 .cse7 (<= 1 |timeShift_getWaterLevel_#res#1|))))))) [2023-11-06 23:00:05,278 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 235) no Hoare annotation was computed. [2023-11-06 23:00:05,279 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 240) no Hoare annotation was computed. [2023-11-06 23:00:05,279 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 959 966) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2)) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) .cse0))) [2023-11-06 23:00:05,279 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 135 158) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) .cse0 (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))))) [2023-11-06 23:00:05,279 INFO L899 garLoopResultBuilder]: For program point L963(line 963) no Hoare annotation was computed. [2023-11-06 23:00:05,279 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 383) no Hoare annotation was computed. [2023-11-06 23:00:05,279 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 386) no Hoare annotation was computed. [2023-11-06 23:00:05,280 INFO L895 garLoopResultBuilder]: At program point L373-1(lines 365 389) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (<= 2 |timeShift___utac_acc__Specification4_spec__1_~tmp~6#1|)) (.cse4 (<= 2 |timeShift_getWaterLevel_#res#1|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 0))) (and (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (< |old(~waterLevel~0)| 1) .cse1 (and .cse2 .cse3 .cse4) (and .cse5 .cse3 (<= |old(~waterLevel~0)| 1)))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and (= |timeShift___utac_acc__Specification4_spec__1_~tmp~6#1| 1) (= |timeShift_getWaterLevel_#res#1| 1))) (let ((.cse6 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or (and (<= 2 ~waterLevel~0) .cse2 .cse6 .cse4) .cse1 (< |old(~waterLevel~0)| 2) (and .cse5 (<= 1 |timeShift___utac_acc__Specification4_spec__1_~tmp~6#1|) .cse6 (<= 1 |timeShift_getWaterLevel_#res#1|)))))) [2023-11-06 23:00:05,280 INFO L899 garLoopResultBuilder]: For program point L146-1(lines 146 152) no Hoare annotation was computed. [2023-11-06 23:00:05,280 INFO L895 garLoopResultBuilder]: At program point isMethaneLevelCritical_returnLabel#1(lines 894 902) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse0) (or .cse2 .cse0 .cse1))) [2023-11-06 23:00:05,280 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 135 158) no Hoare annotation was computed. [2023-11-06 23:00:05,280 INFO L895 garLoopResultBuilder]: At program point isMethaneAlarm_returnLabel#1(lines 260 270) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse0) (or .cse2 .cse0 .cse1))) [2023-11-06 23:00:05,281 INFO L895 garLoopResultBuilder]: At program point L233(line 233) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse0) (or .cse2 .cse0 .cse1))) [2023-11-06 23:00:05,281 INFO L895 garLoopResultBuilder]: At program point isPumpRunning_returnLabel#1(lines 271 279) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2)) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) .cse0))) [2023-11-06 23:00:05,281 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 963) no Hoare annotation was computed. [2023-11-06 23:00:05,281 INFO L895 garLoopResultBuilder]: At program point L229(line 229) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse0) (or .cse2 .cse0 .cse1))) [2023-11-06 23:00:05,281 INFO L895 garLoopResultBuilder]: At program point startSystem_returnLabel#1(lines 354 361) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2023-11-06 23:00:05,281 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-11-06 23:00:05,282 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2023-11-06 23:00:05,282 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 453 462) the Hoare annotation is: true [2023-11-06 23:00:05,282 INFO L895 garLoopResultBuilder]: At program point L110(lines 65 112) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2023-11-06 23:00:05,282 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2023-11-06 23:00:05,282 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 979 985) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 23:00:05,282 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 466 488) the Hoare annotation is: true [2023-11-06 23:00:05,282 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 23:00:05,282 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 23:00:05,283 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 446 452) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 23:00:05,283 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 107) no Hoare annotation was computed. [2023-11-06 23:00:05,283 INFO L895 garLoopResultBuilder]: At program point L103-2(lines 95 108) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2023-11-06 23:00:05,283 INFO L899 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2023-11-06 23:00:05,283 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 23:00:05,283 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2023-11-06 23:00:05,283 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2023-11-06 23:00:05,283 INFO L902 garLoopResultBuilder]: At program point L116(lines 55 120) the Hoare annotation is: true [2023-11-06 23:00:05,283 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2023-11-06 23:00:05,284 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2023-11-06 23:00:05,284 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 23:00:05,284 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 986 992) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 23:00:05,284 INFO L899 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2023-11-06 23:00:05,292 INFO L899 garLoopResultBuilder]: For program point L476(lines 476 483) no Hoare annotation was computed. [2023-11-06 23:00:05,292 INFO L899 garLoopResultBuilder]: For program point L476-2(lines 476 483) no Hoare annotation was computed. [2023-11-06 23:00:05,292 INFO L895 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2023-11-06 23:00:05,292 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 993 1001) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 23:00:05,293 INFO L895 garLoopResultBuilder]: At program point activatePump_returnLabel#1(lines 244 251) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-11-06 23:00:05,293 INFO L895 garLoopResultBuilder]: At program point L186(line 186) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-11-06 23:00:05,293 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 167 191) no Hoare annotation was computed. [2023-11-06 23:00:05,295 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 167 191) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-11-06 23:00:05,295 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 329) no Hoare annotation was computed. [2023-11-06 23:00:05,296 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 329) no Hoare annotation was computed. [2023-11-06 23:00:05,296 INFO L895 garLoopResultBuilder]: At program point isHighWaterSensorDry_returnLabel#1(lines 935 948) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)) (or (not (= ~waterLevel~0 1)) .cse0 .cse2 (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse1)))) [2023-11-06 23:00:05,296 INFO L895 garLoopResultBuilder]: At program point isHighWaterLevel_returnLabel#1(lines 316 334) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)) (or (not (= ~waterLevel~0 1)) .cse0 .cse2 (and .cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0))))) [2023-11-06 23:00:05,296 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 167 191) no Hoare annotation was computed. [2023-11-06 23:00:05,297 INFO L895 garLoopResultBuilder]: At program point L181(line 181) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0))) [2023-11-06 23:00:05,298 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 183) no Hoare annotation was computed. [2023-11-06 23:00:05,298 INFO L899 garLoopResultBuilder]: For program point L171(lines 171 188) no Hoare annotation was computed. [2023-11-06 23:00:05,298 INFO L899 garLoopResultBuilder]: For program point L939(lines 939 945) no Hoare annotation was computed. [2023-11-06 23:00:05,298 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 870 881) no Hoare annotation was computed. [2023-11-06 23:00:05,298 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 870 881) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (= |old(~waterLevel~0)| ~waterLevel~0)) (or (not (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) .cse0 (= ~waterLevel~0 1)))) [2023-11-06 23:00:05,298 INFO L899 garLoopResultBuilder]: For program point L874-1(lines 870 881) no Hoare annotation was computed. [2023-11-06 23:00:05,299 INFO L895 garLoopResultBuilder]: At program point L207(line 207) the Hoare annotation is: (or (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-11-06 23:00:05,299 INFO L895 garLoopResultBuilder]: At program point isLowWaterSensorDry_returnLabel#1(lines 949 957) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| 0))))) [2023-11-06 23:00:05,299 INFO L895 garLoopResultBuilder]: At program point L203(line 203) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_#res#1|) (<= 1 |processEnvironment__wrappee__lowWaterSensor_~tmp~2#1|) (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| 0))))) [2023-11-06 23:00:05,299 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 193 217) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-11-06 23:00:05,300 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 209) no Hoare annotation was computed. [2023-11-06 23:00:05,300 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 214) no Hoare annotation was computed. [2023-11-06 23:00:05,300 INFO L895 garLoopResultBuilder]: At program point isLowWaterLevel_returnLabel#1(lines 335 353) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (and (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_~tmp~5#1| 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_#res#1|) (<= 1 |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_~tmp___0~2#1|) (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| 0)) .cse0 .cse1))) [2023-11-06 23:00:05,300 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 193 217) no Hoare annotation was computed. [2023-11-06 23:00:05,301 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 348) no Hoare annotation was computed. [2023-11-06 23:00:05,301 INFO L899 garLoopResultBuilder]: For program point L344-2(lines 344 348) no Hoare annotation was computed. [2023-11-06 23:00:05,301 INFO L895 garLoopResultBuilder]: At program point L212(line 212) the Hoare annotation is: (or (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0))) [2023-11-06 23:00:05,301 INFO L899 garLoopResultBuilder]: For program point L212-1(lines 193 217) no Hoare annotation was computed. [2023-11-06 23:00:05,304 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:00:05,306 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:00:05,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:00:05 BoogieIcfgContainer [2023-11-06 23:00:05,340 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:00:05,340 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:00:05,340 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:00:05,340 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:00:05,341 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:59:53" (3/4) ... [2023-11-06 23:00:05,343 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 23:00:05,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-06 23:00:05,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-06 23:00:05,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-06 23:00:05,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-06 23:00:05,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-06 23:00:05,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 23:00:05,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-06 23:00:05,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2023-11-06 23:00:05,358 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-06 23:00:05,359 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-06 23:00:05,360 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 23:00:05,360 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 23:00:05,361 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 23:00:05,393 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || ((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) <= (waterLevel + 1)))) && ((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2))) [2023-11-06 23:00:05,393 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0) && (\old(waterLevel) <= (waterLevel + 1))) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || ((2 <= waterLevel) && (\old(waterLevel) <= (waterLevel + 1)))) && (((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || ((pumpRunning == 0) && (waterLevel == 1)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (\old(waterLevel) == waterLevel))) [2023-11-06 23:00:05,394 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (\result == 1)) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || ((((2 <= waterLevel) && (1 == systemActive)) && (\old(waterLevel) == waterLevel)) && (2 <= \result)))) && ((((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || ((((2 <= waterLevel) && (1 == systemActive)) && (\old(waterLevel) == waterLevel)) && (2 <= \result)))) && ((((((2 <= waterLevel) && (\old(waterLevel) <= (waterLevel + 1))) && (2 <= \result)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (((pumpRunning == 0) && (\old(waterLevel) <= (waterLevel + 1))) && (1 <= \result)))) [2023-11-06 23:00:05,395 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || ((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) <= (waterLevel + 1)))) && ((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2))) [2023-11-06 23:00:05,395 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || (((2 <= tmp) && (\old(waterLevel) == waterLevel)) && (2 <= \result))) || (((pumpRunning == 0) && (\old(waterLevel) == waterLevel)) && (\old(waterLevel) <= 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || ((tmp == 1) && (\result == 1)))) && (((((((2 <= waterLevel) && (2 <= tmp)) && (\old(waterLevel) <= (waterLevel + 1))) && (2 <= \result)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || ((((pumpRunning == 0) && (1 <= tmp)) && (\old(waterLevel) <= (waterLevel + 1))) && (1 <= \result)))) [2023-11-06 23:00:05,395 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) && (((waterLevel < 1) || !((1 == systemActive))) || ((pumpRunning == \old(pumpRunning)) && (\result == 0)))) [2023-11-06 23:00:05,396 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || ((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) <= (waterLevel + 1)))) && ((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2))) [2023-11-06 23:00:05,396 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || (waterLevel < 2)) && (((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((1 <= \result) && (pumpRunning == 0)))) [2023-11-06 23:00:05,396 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!((1 == systemActive)) || (\old(waterLevel) < 2)) && ((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) [2023-11-06 23:00:05,397 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) && (((((((tmp == 0) && (pumpRunning == \old(pumpRunning))) && (1 <= \result)) && (1 <= tmp___0)) && (\result == 0)) || (waterLevel < 1)) || !((1 == systemActive)))) [2023-11-06 23:00:05,397 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || (waterLevel < 2)) && (((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((pumpRunning == 0) && (tmp___0 == 0)) && (\result == 0)))) [2023-11-06 23:00:05,397 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!((1 == systemActive)) || (\old(waterLevel) < 2)) && ((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) [2023-11-06 23:00:05,397 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) [2023-11-06 23:00:05,435 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || ((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) <= (waterLevel + 1)))) && ((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2))) [2023-11-06 23:00:05,436 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0) && (\old(waterLevel) <= (waterLevel + 1))) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || ((2 <= waterLevel) && (\old(waterLevel) <= (waterLevel + 1)))) && (((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || ((pumpRunning == 0) && (waterLevel == 1)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (\old(waterLevel) == waterLevel))) [2023-11-06 23:00:05,436 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (\result == 1)) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || ((((2 <= waterLevel) && (1 == systemActive)) && (\old(waterLevel) == waterLevel)) && (2 <= \result)))) && ((((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || ((((2 <= waterLevel) && (1 == systemActive)) && (\old(waterLevel) == waterLevel)) && (2 <= \result)))) && ((((((2 <= waterLevel) && (\old(waterLevel) <= (waterLevel + 1))) && (2 <= \result)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (((pumpRunning == 0) && (\old(waterLevel) <= (waterLevel + 1))) && (1 <= \result)))) [2023-11-06 23:00:05,437 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || ((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) <= (waterLevel + 1)))) && ((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2))) [2023-11-06 23:00:05,437 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || (((2 <= tmp) && (\old(waterLevel) == waterLevel)) && (2 <= \result))) || (((pumpRunning == 0) && (\old(waterLevel) == waterLevel)) && (\old(waterLevel) <= 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || ((tmp == 1) && (\result == 1)))) && (((((((2 <= waterLevel) && (2 <= tmp)) && (\old(waterLevel) <= (waterLevel + 1))) && (2 <= \result)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || ((((pumpRunning == 0) && (1 <= tmp)) && (\old(waterLevel) <= (waterLevel + 1))) && (1 <= \result)))) [2023-11-06 23:00:05,437 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) && (((waterLevel < 1) || !((1 == systemActive))) || ((pumpRunning == \old(pumpRunning)) && (\result == 0)))) [2023-11-06 23:00:05,437 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || ((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) <= (waterLevel + 1)))) && ((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2))) [2023-11-06 23:00:05,438 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || (waterLevel < 2)) && (((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((1 <= \result) && (pumpRunning == 0)))) [2023-11-06 23:00:05,438 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!((1 == systemActive)) || (\old(waterLevel) < 2)) && ((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) [2023-11-06 23:00:05,438 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) && (((((((tmp == 0) && (pumpRunning == \old(pumpRunning))) && (1 <= \result)) && (1 <= tmp___0)) && (\result == 0)) || (waterLevel < 1)) || !((1 == systemActive)))) [2023-11-06 23:00:05,438 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || (waterLevel < 2)) && (((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((pumpRunning == 0) && (tmp___0 == 0)) && (\result == 0)))) [2023-11-06 23:00:05,438 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!((1 == systemActive)) || (\old(waterLevel) < 2)) && ((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) [2023-11-06 23:00:05,439 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) [2023-11-06 23:00:05,475 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 23:00:05,476 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 23:00:05,476 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:00:05,477 INFO L158 Benchmark]: Toolchain (without parser) took 13729.59ms. Allocated memory was 140.5MB in the beginning and 247.5MB in the end (delta: 107.0MB). Free memory was 107.3MB in the beginning and 84.2MB in the end (delta: 23.1MB). Peak memory consumption was 129.2MB. Max. memory is 16.1GB. [2023-11-06 23:00:05,477 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 140.5MB. Free memory is still 112.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:00:05,478 INFO L158 Benchmark]: CACSL2BoogieTranslator took 579.44ms. Allocated memory is still 140.5MB. Free memory was 106.8MB in the beginning and 102.5MB in the end (delta: 4.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 23:00:05,478 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.30ms. Allocated memory is still 140.5MB. Free memory was 102.0MB in the beginning and 99.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:00:05,479 INFO L158 Benchmark]: Boogie Preprocessor took 53.76ms. Allocated memory is still 140.5MB. Free memory was 99.9MB in the beginning and 98.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:00:05,479 INFO L158 Benchmark]: RCFGBuilder took 618.34ms. Allocated memory is still 140.5MB. Free memory was 98.3MB in the beginning and 80.0MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 23:00:05,480 INFO L158 Benchmark]: TraceAbstraction took 12269.37ms. Allocated memory was 140.5MB in the beginning and 247.5MB in the end (delta: 107.0MB). Free memory was 79.5MB in the beginning and 92.6MB in the end (delta: -13.2MB). Peak memory consumption was 97.0MB. Max. memory is 16.1GB. [2023-11-06 23:00:05,480 INFO L158 Benchmark]: Witness Printer took 136.25ms. Allocated memory is still 247.5MB. Free memory was 92.6MB in the beginning and 84.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 23:00:05,484 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 140.5MB. Free memory is still 112.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 579.44ms. Allocated memory is still 140.5MB. Free memory was 106.8MB in the beginning and 102.5MB in the end (delta: 4.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.30ms. Allocated memory is still 140.5MB. Free memory was 102.0MB in the beginning and 99.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.76ms. Allocated memory is still 140.5MB. Free memory was 99.9MB in the beginning and 98.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 618.34ms. Allocated memory is still 140.5MB. Free memory was 98.3MB in the beginning and 80.0MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 12269.37ms. Allocated memory was 140.5MB in the beginning and 247.5MB in the end (delta: 107.0MB). Free memory was 79.5MB in the beginning and 92.6MB in the end (delta: -13.2MB). Peak memory consumption was 97.0MB. Max. memory is 16.1GB. * Witness Printer took 136.25ms. Allocated memory is still 247.5MB. Free memory was 92.6MB in the beginning and 84.2MB 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,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] - GenericResultAtLocation [Line: 362]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [362] - GenericResultAtLocation [Line: 390]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [390] - GenericResultAtLocation [Line: 489]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [489] - GenericResultAtLocation [Line: 855]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [855] - GenericResultAtLocation [Line: 958]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [958] - GenericResultAtLocation [Line: 967]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [967] * 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: 963]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.2s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2090 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2064 mSDsluCounter, 4507 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3279 mSDsCounter, 621 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3281 IncrementalHoareTripleChecker+Invalid, 3902 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 621 mSolverCounterUnsat, 1228 mSDtfsCounter, 3281 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 828 GetRequests, 669 SyntacticMatches, 13 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1230 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=685occurred in iteration=11, InterpolantAutomatonStates: 142, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 237 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 1311 PreInvPairs, 1420 NumberOfFragments, 1078 HoareAnnotationTreeSize, 1311 FomulaSimplifications, 2595 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 46 FomulaSimplificationsInter, 2195 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1014 NumberOfCodeBlocks, 1014 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1208 ConstructedInterpolants, 0 QuantifiedInterpolants, 2121 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1141 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 17 InterpolantComputations, 10 PerfectInterpolantSequences, 444/516 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: 65]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel) && (1 == systemActive)) && (splverifierCounter == 0)) || ((((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) && (1 <= waterLevel))) - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: ((((((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || !((1 == systemActive))) || (((2 <= tmp) && (\old(waterLevel) == waterLevel)) && (2 <= \result))) || (((pumpRunning == 0) && (\old(waterLevel) == waterLevel)) && (\old(waterLevel) <= 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || ((tmp == 1) && (\result == 1)))) && (((((((2 <= waterLevel) && (2 <= tmp)) && (\old(waterLevel) <= (waterLevel + 1))) && (2 <= \result)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || ((((pumpRunning == 0) && (1 <= tmp)) && (\old(waterLevel) <= (waterLevel + 1))) && (1 <= \result)))) - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: (((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) && (((waterLevel < 1) || !((1 == systemActive))) || ((pumpRunning == \old(pumpRunning)) && (\result == 0)))) - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: ((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || ((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) <= (waterLevel + 1)))) && ((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2))) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || ((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) <= (waterLevel + 1)))) && ((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2))) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: ((!((1 == systemActive)) || (\old(waterLevel) < 2)) && ((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: ((((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || (waterLevel < 2)) && (((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((1 <= \result) && (pumpRunning == 0)))) - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: ((((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || (waterLevel < 2)) && (((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((pumpRunning == 0) && (tmp___0 == 0)) && (\result == 0)))) - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: ((((!((1 == systemActive)) || (\old(waterLevel) < 2)) || ((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) <= (waterLevel + 1)))) && ((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2))) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((!((\old(pumpRunning) == 0)) || (waterLevel < 1)) || !((1 == systemActive))) && (((((((tmp == 0) && (pumpRunning == \old(pumpRunning))) && (1 <= \result)) && (1 <= tmp___0)) && (\result == 0)) || (waterLevel < 1)) || !((1 == systemActive)))) - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel) && (1 == systemActive)) && (splverifierCounter == 0)) || ((((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) && (1 <= waterLevel))) - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: ((!((1 == systemActive)) || (\old(waterLevel) < 2)) && ((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: ((((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (\result == 1)) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || ((((2 <= waterLevel) && (1 == systemActive)) && (\old(waterLevel) == waterLevel)) && (2 <= \result)))) && ((((!((\old(pumpRunning) == 0)) || (\old(waterLevel) < 1)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || ((((2 <= waterLevel) && (1 == systemActive)) && (\old(waterLevel) == waterLevel)) && (2 <= \result)))) && ((((((2 <= waterLevel) && (\old(waterLevel) <= (waterLevel + 1))) && (2 <= \result)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (((pumpRunning == 0) && (\old(waterLevel) <= (waterLevel + 1))) && (1 <= \result)))) - InvariantResult [Line: 993]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0) && (\old(waterLevel) <= (waterLevel + 1))) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || ((2 <= waterLevel) && (\old(waterLevel) <= (waterLevel + 1)))) && (((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || ((pumpRunning == 0) && (waterLevel == 1)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) < 2)) || (\old(waterLevel) == waterLevel))) - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 23:00:05,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb489665-ff9f-4fc1-b275-94f9ed7cfee1/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