./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34c2427-0f81-40a7-bb01-d9091e8b3b64/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34c2427-0f81-40a7-bb01-d9091e8b3b64/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34c2427-0f81-40a7-bb01-d9091e8b3b64/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34c2427-0f81-40a7-bb01-d9091e8b3b64/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34c2427-0f81-40a7-bb01-d9091e8b3b64/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34c2427-0f81-40a7-bb01-d9091e8b3b64/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8db025334db2e06ebc154a332660702acdbfca34e28313be5c0c817acc07c5f4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:29:27,504 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:29:27,577 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34c2427-0f81-40a7-bb01-d9091e8b3b64/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:29:27,583 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:29:27,583 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:29:27,610 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:29:27,611 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:29:27,612 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:29:27,613 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:29:27,613 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:29:27,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:29:27,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:29:27,631 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:29:27,632 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:29:27,632 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:29:27,633 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:29:27,634 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:29:27,634 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:29:27,635 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:29:27,635 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:29:27,636 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:29:27,636 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:29:27,637 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:29:27,637 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:29:27,638 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:29:27,638 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:29:27,638 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:29:27,639 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:29:27,640 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:29:27,640 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:29:27,640 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:29:27,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:29:27,641 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:29:27,642 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:29:27,642 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:29:27,642 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:29:27,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:29:27,643 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:29:27,643 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:29:27,643 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:29:27,644 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:29:27,644 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:29:27,644 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_d34c2427-0f81-40a7-bb01-d9091e8b3b64/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34c2427-0f81-40a7-bb01-d9091e8b3b64/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8db025334db2e06ebc154a332660702acdbfca34e28313be5c0c817acc07c5f4 [2023-11-21 22:29:27,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:29:27,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:29:27,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:29:27,952 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:29:27,952 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:29:27,954 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34c2427-0f81-40a7-bb01-d9091e8b3b64/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2023-11-21 22:29:31,126 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:29:31,388 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:29:31,389 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34c2427-0f81-40a7-bb01-d9091e8b3b64/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2023-11-21 22:29:31,405 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34c2427-0f81-40a7-bb01-d9091e8b3b64/bin/uautomizer-verify-bycVGegfSx/data/b746aab08/229b5d97f65d4ef4b4950f180f1014e0/FLAGf90d08b07 [2023-11-21 22:29:31,420 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34c2427-0f81-40a7-bb01-d9091e8b3b64/bin/uautomizer-verify-bycVGegfSx/data/b746aab08/229b5d97f65d4ef4b4950f180f1014e0 [2023-11-21 22:29:31,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:29:31,425 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:29:31,430 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:29:31,431 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:29:31,436 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:29:31,437 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:29:31" (1/1) ... [2023-11-21 22:29:31,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@648b0219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:31, skipping insertion in model container [2023-11-21 22:29:31,439 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:29:31" (1/1) ... [2023-11-21 22:29:31,515 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:29:31,715 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_d34c2427-0f81-40a7-bb01-d9091e8b3b64/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c[2984,2997] [2023-11-21 22:29:31,826 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:29:31,848 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:29:31,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-11-21 22:29:31,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [145] [2023-11-21 22:29:31,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [154] [2023-11-21 22:29:31,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [520] [2023-11-21 22:29:31,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [587] [2023-11-21 22:29:31,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [625] [2023-11-21 22:29:31,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [825] [2023-11-21 22:29:31,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [921] [2023-11-21 22:29:31,886 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_d34c2427-0f81-40a7-bb01-d9091e8b3b64/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c[2984,2997] [2023-11-21 22:29:31,980 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:29:32,003 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:29:32,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:32 WrapperNode [2023-11-21 22:29:32,003 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:29:32,004 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:29:32,004 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:29:32,005 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:29:32,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:32" (1/1) ... [2023-11-21 22:29:32,025 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:32" (1/1) ... [2023-11-21 22:29:32,054 INFO L138 Inliner]: procedures = 54, calls = 99, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 190 [2023-11-21 22:29:32,055 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:29:32,056 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:29:32,056 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:29:32,056 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:29:32,069 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:32" (1/1) ... [2023-11-21 22:29:32,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:32" (1/1) ... [2023-11-21 22:29:32,072 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:32" (1/1) ... [2023-11-21 22:29:32,085 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:29:32,085 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:32" (1/1) ... [2023-11-21 22:29:32,086 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:32" (1/1) ... [2023-11-21 22:29:32,093 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:32" (1/1) ... [2023-11-21 22:29:32,098 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:32" (1/1) ... [2023-11-21 22:29:32,100 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:32" (1/1) ... [2023-11-21 22:29:32,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:32" (1/1) ... [2023-11-21 22:29:32,105 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:29:32,106 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:29:32,106 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:29:32,106 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:29:32,107 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:32" (1/1) ... [2023-11-21 22:29:32,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:29:32,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34c2427-0f81-40a7-bb01-d9091e8b3b64/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:32,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34c2427-0f81-40a7-bb01-d9091e8b3b64/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:32,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34c2427-0f81-40a7-bb01-d9091e8b3b64/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:29:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:29:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-21 22:29:32,187 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-21 22:29:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-21 22:29:32,187 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-21 22:29:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-21 22:29:32,188 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-21 22:29:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-21 22:29:32,188 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-21 22:29:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-21 22:29:32,188 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-21 22:29:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-21 22:29:32,189 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-21 22:29:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-21 22:29:32,189 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-21 22:29:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:29:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-21 22:29:32,190 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-21 22:29:32,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:29:32,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:29:32,289 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:29:32,292 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:29:32,599 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:29:32,778 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:29:32,778 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 22:29:32,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:29:32 BoogieIcfgContainer [2023-11-21 22:29:32,780 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:29:32,783 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:29:32,783 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:29:32,787 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:29:32,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:29:31" (1/3) ... [2023-11-21 22:29:32,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ccaecb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:29:32, skipping insertion in model container [2023-11-21 22:29:32,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:32" (2/3) ... [2023-11-21 22:29:32,789 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ccaecb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:29:32, skipping insertion in model container [2023-11-21 22:29:32,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:29:32" (3/3) ... [2023-11-21 22:29:32,790 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product29.cil.c [2023-11-21 22:29:32,812 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:29:32,812 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:29:32,867 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:29:32,874 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@35aa9e83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:29:32,875 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:29:32,879 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 44 states have internal predecessors, (51), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-21 22:29:32,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 22:29:32,889 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:32,890 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:32,891 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:29:32,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:32,898 INFO L85 PathProgramCache]: Analyzing trace with hash 820204933, now seen corresponding path program 1 times [2023-11-21 22:29:32,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:32,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296248219] [2023-11-21 22:29:32,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:32,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:33,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:33,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:33,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296248219] [2023-11-21 22:29:33,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296248219] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:33,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:33,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:29:33,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536917535] [2023-11-21 22:29:33,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:33,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 22:29:33,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:33,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 22:29:33,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 22:29:33,246 INFO L87 Difference]: Start difference. First operand has 59 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 44 states have internal predecessors, (51), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2023-11-21 22:29:33,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:33,349 INFO L93 Difference]: Finished difference Result 116 states and 155 transitions. [2023-11-21 22:29:33,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 22:29:33,352 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 12 [2023-11-21 22:29:33,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:29:33,361 INFO L225 Difference]: With dead ends: 116 [2023-11-21 22:29:33,361 INFO L226 Difference]: Without dead ends: 54 [2023-11-21 22:29:33,365 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 [2023-11-21 22:29:33,369 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:29:33,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 22:29:33,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-21 22:29:33,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-11-21 22:29:33,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 33 states have (on average 1.303030303030303) internal successors, (43), 40 states have internal predecessors, (43), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-21 22:29:33,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 68 transitions. [2023-11-21 22:29:33,419 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 68 transitions. Word has length 12 [2023-11-21 22:29:33,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:29:33,420 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 68 transitions. [2023-11-21 22:29:33,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2023-11-21 22:29:33,420 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2023-11-21 22:29:33,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 22:29:33,423 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:33,423 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:33,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:29:33,424 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:29:33,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:33,425 INFO L85 PathProgramCache]: Analyzing trace with hash -228622136, now seen corresponding path program 1 times [2023-11-21 22:29:33,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:33,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922078984] [2023-11-21 22:29:33,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:33,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:33,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:33,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:33,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922078984] [2023-11-21 22:29:33,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922078984] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:33,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:33,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:29:33,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847163360] [2023-11-21 22:29:33,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:33,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:29:33,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:33,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:29:33,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:29:33,594 INFO L87 Difference]: Start difference. First operand 54 states and 68 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2023-11-21 22:29:33,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:33,653 INFO L93 Difference]: Finished difference Result 85 states and 107 transitions. [2023-11-21 22:29:33,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:29:33,654 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 13 [2023-11-21 22:29:33,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:29:33,656 INFO L225 Difference]: With dead ends: 85 [2023-11-21 22:29:33,656 INFO L226 Difference]: Without dead ends: 46 [2023-11-21 22:29:33,657 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 [2023-11-21 22:29:33,659 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 7 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:29:33,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 79 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:29:33,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-21 22:29:33,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-21 22:29:33,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 35 states have internal predecessors, (37), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-21 22:29:33,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 57 transitions. [2023-11-21 22:29:33,671 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 57 transitions. Word has length 13 [2023-11-21 22:29:33,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:29:33,672 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 57 transitions. [2023-11-21 22:29:33,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2023-11-21 22:29:33,673 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2023-11-21 22:29:33,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 22:29:33,674 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:33,674 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:33,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:29:33,679 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:29:33,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:33,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1960385898, now seen corresponding path program 1 times [2023-11-21 22:29:33,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:33,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697234568] [2023-11-21 22:29:33,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:33,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:33,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:33,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:33,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697234568] [2023-11-21 22:29:33,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697234568] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:33,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:33,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:29:33,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816265025] [2023-11-21 22:29:33,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:33,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:29:33,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:33,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:29:33,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:29:33,858 INFO L87 Difference]: Start difference. First operand 46 states and 57 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 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) [2023-11-21 22:29:33,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:33,903 INFO L93 Difference]: Finished difference Result 90 states and 113 transitions. [2023-11-21 22:29:33,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:29:33,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 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 15 [2023-11-21 22:29:33,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:29:33,905 INFO L225 Difference]: With dead ends: 90 [2023-11-21 22:29:33,905 INFO L226 Difference]: Without dead ends: 46 [2023-11-21 22:29:33,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:29:33,908 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 46 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:29:33,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 42 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:29:33,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-21 22:29:33,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-21 22:29:33,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 35 states have internal predecessors, (36), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-21 22:29:33,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2023-11-21 22:29:33,920 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 56 transitions. Word has length 15 [2023-11-21 22:29:33,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:29:33,921 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 56 transitions. [2023-11-21 22:29:33,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 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) [2023-11-21 22:29:33,922 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2023-11-21 22:29:33,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 22:29:33,923 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:33,923 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] [2023-11-21 22:29:33,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 22:29:33,924 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:29:33,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:33,925 INFO L85 PathProgramCache]: Analyzing trace with hash 398285319, now seen corresponding path program 1 times [2023-11-21 22:29:33,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:33,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100091711] [2023-11-21 22:29:33,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:33,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:34,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-21 22:29:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:34,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:29:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:34,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:34,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:34,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100091711] [2023-11-21 22:29:34,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100091711] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:34,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:34,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 22:29:34,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402994126] [2023-11-21 22:29:34,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:34,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:29:34,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:34,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:29:34,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:29:34,184 INFO L87 Difference]: Start difference. First operand 46 states and 56 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:29:34,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:34,367 INFO L93 Difference]: Finished difference Result 128 states and 158 transitions. [2023-11-21 22:29:34,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:29:34,368 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 3 states have call successors, (3), 3 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 25 [2023-11-21 22:29:34,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:29:34,370 INFO L225 Difference]: With dead ends: 128 [2023-11-21 22:29:34,371 INFO L226 Difference]: Without dead ends: 84 [2023-11-21 22:29:34,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-21 22:29:34,373 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 64 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:29:34,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 104 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 22:29:34,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-21 22:29:34,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 72. [2023-11-21 22:29:34,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 54 states have internal predecessors, (56), 14 states have call successors, (14), 11 states have call predecessors, (14), 11 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-21 22:29:34,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 84 transitions. [2023-11-21 22:29:34,398 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 84 transitions. Word has length 25 [2023-11-21 22:29:34,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:29:34,399 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 84 transitions. [2023-11-21 22:29:34,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:29:34,399 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2023-11-21 22:29:34,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 22:29:34,401 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:34,401 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] [2023-11-21 22:29:34,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 22:29:34,401 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:29:34,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:34,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1700378693, now seen corresponding path program 1 times [2023-11-21 22:29:34,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:34,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926329410] [2023-11-21 22:29:34,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:34,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:34,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:29:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:34,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-21 22:29:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:34,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:29:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:34,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:34,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:34,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926329410] [2023-11-21 22:29:34,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926329410] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:34,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:34,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-21 22:29:34,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307828839] [2023-11-21 22:29:34,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:34,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-21 22:29:34,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:34,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-21 22:29:34,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-21 22:29:34,698 INFO L87 Difference]: Start difference. First operand 72 states and 84 transitions. Second operand has 9 states, 8 states have (on average 2.625) internal successors, (21), 7 states have internal predecessors, (21), 4 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 22:29:34,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:34,951 INFO L93 Difference]: Finished difference Result 104 states and 123 transitions. [2023-11-21 22:29:34,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-21 22:29:34,952 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 7 states have internal predecessors, (21), 4 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 28 [2023-11-21 22:29:34,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:29:34,952 INFO L225 Difference]: With dead ends: 104 [2023-11-21 22:29:34,953 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 22:29:34,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2023-11-21 22:29:34,965 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 86 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 22:29:34,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 99 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 22:29:34,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 22:29:34,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 22:29:34,967 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) [2023-11-21 22:29:34,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:29:34,968 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2023-11-21 22:29:34,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:29:34,972 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:29:34,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 7 states have internal predecessors, (21), 4 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 22:29:34,974 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:29:34,974 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 22:29:34,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:29:34,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 22:29:34,984 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 22:29:35,518 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 742 749) no Hoare annotation was computed. [2023-11-21 22:29:35,519 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 742 749) the Hoare annotation is: true [2023-11-21 22:29:35,519 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 658 664) no Hoare annotation was computed. [2023-11-21 22:29:35,519 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 658 664) the Hoare annotation is: true [2023-11-21 22:29:35,519 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 83 94) the Hoare annotation is: true [2023-11-21 22:29:35,519 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2023-11-21 22:29:35,519 INFO L902 garLoopResultBuilder]: At program point L833(line 833) the Hoare annotation is: true [2023-11-21 22:29:35,520 INFO L899 garLoopResultBuilder]: For program point L833-1(line 833) no Hoare annotation was computed. [2023-11-21 22:29:35,520 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 827 856) no Hoare annotation was computed. [2023-11-21 22:29:35,520 INFO L899 garLoopResultBuilder]: For program point L852(lines 827 856) no Hoare annotation was computed. [2023-11-21 22:29:35,520 INFO L899 garLoopResultBuilder]: For program point L848(line 848) no Hoare annotation was computed. [2023-11-21 22:29:35,520 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 827 856) the Hoare annotation is: true [2023-11-21 22:29:35,520 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 845) no Hoare annotation was computed. [2023-11-21 22:29:35,521 INFO L902 garLoopResultBuilder]: At program point L841-1(lines 841 845) the Hoare annotation is: true [2023-11-21 22:29:35,521 INFO L902 garLoopResultBuilder]: At program point L837-2(lines 837 851) the Hoare annotation is: true [2023-11-21 22:29:35,521 INFO L899 garLoopResultBuilder]: For program point L638-1(lines 637 656) no Hoare annotation was computed. [2023-11-21 22:29:35,521 INFO L899 garLoopResultBuilder]: For program point L700(lines 700 708) no Hoare annotation was computed. [2023-11-21 22:29:35,521 INFO L899 garLoopResultBuilder]: For program point L696(lines 696 713) no Hoare annotation was computed. [2023-11-21 22:29:35,522 INFO L895 garLoopResultBuilder]: At program point L706(line 706) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 .cse1 (< |old(~waterLevel~0)| 2)))) [2023-11-21 22:29:35,522 INFO L895 garLoopResultBuilder]: At program point L702(line 702) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 .cse1 (< |old(~waterLevel~0)| 2)))) [2023-11-21 22:29:35,522 INFO L895 garLoopResultBuilder]: At program point L698(line 698) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 .cse1 (< |old(~waterLevel~0)| 2)))) [2023-11-21 22:29:35,522 INFO L899 garLoopResultBuilder]: For program point L698-1(line 698) no Hoare annotation was computed. [2023-11-21 22:29:35,523 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 634 657) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 (= ~waterLevel~0 1))) (or .cse0 (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 (< |old(~waterLevel~0)| 2)))) [2023-11-21 22:29:35,523 INFO L895 garLoopResultBuilder]: At program point L711(line 711) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 (= ~waterLevel~0 1))) (or .cse0 (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 (< |old(~waterLevel~0)| 2)))) [2023-11-21 22:29:35,523 INFO L899 garLoopResultBuilder]: For program point L711-1(lines 692 716) no Hoare annotation was computed. [2023-11-21 22:29:35,523 INFO L899 garLoopResultBuilder]: For program point L934(lines 934 940) no Hoare annotation was computed. [2023-11-21 22:29:35,523 INFO L899 garLoopResultBuilder]: For program point L645-1(lines 645 651) no Hoare annotation was computed. [2023-11-21 22:29:35,523 INFO L899 garLoopResultBuilder]: For program point L930(lines 930 943) no Hoare annotation was computed. [2023-11-21 22:29:35,523 INFO L899 garLoopResultBuilder]: For program point L930-1(lines 922 946) no Hoare annotation was computed. [2023-11-21 22:29:35,524 INFO L899 garLoopResultBuilder]: For program point L150(line 150) no Hoare annotation was computed. [2023-11-21 22:29:35,524 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 634 657) no Hoare annotation was computed. [2023-11-21 22:29:35,524 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 150) no Hoare annotation was computed. [2023-11-21 22:29:35,524 INFO L895 garLoopResultBuilder]: At program point L576(lines 533 578) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1)))) [2023-11-21 22:29:35,524 INFO L899 garLoopResultBuilder]: For program point L543(lines 543 549) no Hoare annotation was computed. [2023-11-21 22:29:35,525 INFO L899 garLoopResultBuilder]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2023-11-21 22:29:35,525 INFO L895 garLoopResultBuilder]: At program point L569-2(lines 563 574) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1)))) [2023-11-21 22:29:35,525 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 915) no Hoare annotation was computed. [2023-11-21 22:29:35,525 INFO L899 garLoopResultBuilder]: For program point L908-2(lines 908 915) no Hoare annotation was computed. [2023-11-21 22:29:35,525 INFO L899 garLoopResultBuilder]: For program point L553(lines 553 559) no Hoare annotation was computed. [2023-11-21 22:29:35,525 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 553 559) no Hoare annotation was computed. [2023-11-21 22:29:35,526 INFO L899 garLoopResultBuilder]: For program point L582(lines 523 586) no Hoare annotation was computed. [2023-11-21 22:29:35,526 INFO L895 garLoopResultBuilder]: At program point L545(line 545) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1)))) [2023-11-21 22:29:35,526 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:29:35,526 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 22:29:35,526 INFO L895 garLoopResultBuilder]: At program point L579(lines 532 580) the Hoare annotation is: false [2023-11-21 22:29:35,526 INFO L899 garLoopResultBuilder]: For program point L534(lines 533 578) no Hoare annotation was computed. [2023-11-21 22:29:35,533 INFO L895 garLoopResultBuilder]: At program point L555(line 555) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1)))) [2023-11-21 22:29:35,534 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2023-11-21 22:29:35,534 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 71 82) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= ~waterLevel~0 1)) (or .cse0 .cse1 (< |old(~waterLevel~0)| 2) (= |old(~waterLevel~0)| ~waterLevel~0)))) [2023-11-21 22:29:35,534 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 666 690) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2023-11-21 22:29:35,534 INFO L895 garLoopResultBuilder]: At program point L680(line 680) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2023-11-21 22:29:35,535 INFO L895 garLoopResultBuilder]: At program point L676(line 676) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2023-11-21 22:29:35,535 INFO L899 garLoopResultBuilder]: For program point L674(lines 674 682) no Hoare annotation was computed. [2023-11-21 22:29:35,535 INFO L899 garLoopResultBuilder]: For program point L670(lines 670 687) no Hoare annotation was computed. [2023-11-21 22:29:35,535 INFO L895 garLoopResultBuilder]: At program point L685(line 685) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2023-11-21 22:29:35,535 INFO L899 garLoopResultBuilder]: For program point L685-1(lines 666 690) no Hoare annotation was computed. [2023-11-21 22:29:35,535 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 666 690) no Hoare annotation was computed. [2023-11-21 22:29:35,536 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 750 760) no Hoare annotation was computed. [2023-11-21 22:29:35,536 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 750 760) the Hoare annotation is: true [2023-11-21 22:29:35,538 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-21 22:29:35,540 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:29:35,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:29:35 BoogieIcfgContainer [2023-11-21 22:29:35,558 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:29:35,559 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:29:35,559 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:29:35,560 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:29:35,560 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:29:32" (3/4) ... [2023-11-21 22:29:35,562 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:29:35,566 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-21 22:29:35,566 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-21 22:29:35,566 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-21 22:29:35,567 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-21 22:29:35,567 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-21 22:29:35,567 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-21 22:29:35,567 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2023-11-21 22:29:35,568 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2023-11-21 22:29:35,575 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2023-11-21 22:29:35,576 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-21 22:29:35,577 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-21 22:29:35,578 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:29:35,578 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:29:35,607 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || ((pumpRunning == 0) && (waterLevel == 1))) && (((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (\old(waterLevel) < 2))) [2023-11-21 22:29:35,640 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || ((pumpRunning == 0) && (waterLevel == 1))) && (((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (\old(waterLevel) < 2))) [2023-11-21 22:29:35,692 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34c2427-0f81-40a7-bb01-d9091e8b3b64/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:29:35,693 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34c2427-0f81-40a7-bb01-d9091e8b3b64/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:29:35,693 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:29:35,694 INFO L158 Benchmark]: Toolchain (without parser) took 4269.06ms. Allocated memory was 136.3MB in the beginning and 186.6MB in the end (delta: 50.3MB). Free memory was 91.7MB in the beginning and 56.4MB in the end (delta: 35.3MB). Peak memory consumption was 88.8MB. Max. memory is 16.1GB. [2023-11-21 22:29:35,694 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 136.3MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:29:35,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 573.44ms. Allocated memory is still 136.3MB. Free memory was 91.2MB in the beginning and 71.9MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 22:29:35,695 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.62ms. Allocated memory is still 136.3MB. Free memory was 71.9MB in the beginning and 69.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:29:35,696 INFO L158 Benchmark]: Boogie Preprocessor took 49.39ms. Allocated memory is still 136.3MB. Free memory was 69.8MB in the beginning and 67.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:29:35,696 INFO L158 Benchmark]: RCFGBuilder took 674.44ms. Allocated memory was 136.3MB in the beginning and 186.6MB in the end (delta: 50.3MB). Free memory was 67.2MB in the beginning and 150.3MB in the end (delta: -83.0MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2023-11-21 22:29:35,697 INFO L158 Benchmark]: TraceAbstraction took 2775.31ms. Allocated memory is still 186.6MB. Free memory was 149.2MB in the beginning and 63.7MB in the end (delta: 85.5MB). Peak memory consumption was 84.5MB. Max. memory is 16.1GB. [2023-11-21 22:29:35,697 INFO L158 Benchmark]: Witness Printer took 134.23ms. Allocated memory is still 186.6MB. Free memory was 63.7MB in the beginning and 56.4MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 22:29:35,699 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 136.3MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 573.44ms. Allocated memory is still 136.3MB. Free memory was 91.2MB in the beginning and 71.9MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.62ms. Allocated memory is still 136.3MB. Free memory was 71.9MB in the beginning and 69.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.39ms. Allocated memory is still 136.3MB. Free memory was 69.8MB in the beginning and 67.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 674.44ms. Allocated memory was 136.3MB in the beginning and 186.6MB in the end (delta: 50.3MB). Free memory was 67.2MB in the beginning and 150.3MB in the end (delta: -83.0MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2775.31ms. Allocated memory is still 186.6MB. Free memory was 149.2MB in the beginning and 63.7MB in the end (delta: 85.5MB). Peak memory consumption was 84.5MB. Max. memory is 16.1GB. * Witness Printer took 134.23ms. Allocated memory is still 186.6MB. Free memory was 63.7MB in the beginning and 56.4MB in the end (delta: 7.4MB). 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 145]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [145] - GenericResultAtLocation [Line: 154]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [154] - GenericResultAtLocation [Line: 520]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [520] - GenericResultAtLocation [Line: 587]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [587] - GenericResultAtLocation [Line: 625]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [625] - GenericResultAtLocation [Line: 825]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [825] - GenericResultAtLocation [Line: 921]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [921] * 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: 150]: 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, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 212 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 203 mSDsluCounter, 382 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 183 mSDsCounter, 80 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 313 IncrementalHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 80 mSolverCounterUnsat, 199 mSDtfsCounter, 313 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 150 PreInvPairs, 158 NumberOfFragments, 423 HoareAnnotationTreeSize, 150 FomulaSimplifications, 84 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 23 FomulaSimplificationsInter, 214 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 262 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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: 750]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (2 <= waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0)) || ((((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel == 1))) - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: ((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || ((pumpRunning == 0) && (waterLevel == 1))) && (((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (\old(waterLevel) < 2))) RESULT: Ultimate proved your program to be correct! [2023-11-21 22:29:35,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34c2427-0f81-40a7-bb01-d9091e8b3b64/bin/uautomizer-verify-bycVGegfSx/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