./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_79423f02-1d89-407d-844a-4c6f86ac9487/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79423f02-1d89-407d-844a-4c6f86ac9487/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79423f02-1d89-407d-844a-4c6f86ac9487/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79423f02-1d89-407d-844a-4c6f86ac9487/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79423f02-1d89-407d-844a-4c6f86ac9487/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79423f02-1d89-407d-844a-4c6f86ac9487/bin/uautomizer-verify-BQ2R08f2Ya --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 ccaa7fbdcb9338da1f8fd3ccb37732a1f2165a762a28b1457475bd920e3cf3c3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:12:39,444 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:12:39,508 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79423f02-1d89-407d-844a-4c6f86ac9487/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 05:12:39,513 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:12:39,513 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:12:39,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:12:39,538 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:12:39,539 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:12:39,540 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:12:39,540 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:12:39,541 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:12:39,541 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:12:39,542 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:12:39,542 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:12:39,543 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:12:39,543 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:12:39,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:12:39,545 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:12:39,545 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:12:39,545 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:12:39,546 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:12:39,547 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:12:39,547 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:12:39,548 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:12:39,548 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:12:39,548 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:12:39,549 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:12:39,549 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:12:39,550 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:12:39,550 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:12:39,550 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:12:39,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:12:39,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:12:39,552 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:12:39,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:12:39,553 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:12:39,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:12:39,553 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:12:39,554 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:12:39,554 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:12:39,554 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:12:39,554 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:12:39,555 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_79423f02-1d89-407d-844a-4c6f86ac9487/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79423f02-1d89-407d-844a-4c6f86ac9487/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccaa7fbdcb9338da1f8fd3ccb37732a1f2165a762a28b1457475bd920e3cf3c3 [2023-11-29 05:12:39,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:12:39,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:12:39,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:12:39,788 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:12:39,789 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:12:39,790 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79423f02-1d89-407d-844a-4c6f86ac9487/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c [2023-11-29 05:12:42,572 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:12:42,779 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:12:42,779 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79423f02-1d89-407d-844a-4c6f86ac9487/sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c [2023-11-29 05:12:42,794 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79423f02-1d89-407d-844a-4c6f86ac9487/bin/uautomizer-verify-BQ2R08f2Ya/data/bf0aff242/d9615a7438944f64a1d252741760df48/FLAG93c39ea92 [2023-11-29 05:12:42,807 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79423f02-1d89-407d-844a-4c6f86ac9487/bin/uautomizer-verify-BQ2R08f2Ya/data/bf0aff242/d9615a7438944f64a1d252741760df48 [2023-11-29 05:12:42,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:12:42,811 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:12:42,812 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:12:42,813 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:12:42,818 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:12:42,818 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:12:42" (1/1) ... [2023-11-29 05:12:42,819 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38551258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:42, skipping insertion in model container [2023-11-29 05:12:42,820 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:12:42" (1/1) ... [2023-11-29 05:12:42,867 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:12:43,009 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_79423f02-1d89-407d-844a-4c6f86ac9487/sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c[2141,2154] [2023-11-29 05:12:43,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:12:43,118 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:12:43,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-29 05:12:43,127 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] [2023-11-29 05:12:43,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [96] [2023-11-29 05:12:43,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [192] [2023-11-29 05:12:43,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [293] [2023-11-29 05:12:43,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [496] [2023-11-29 05:12:43,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [561] [2023-11-29 05:12:43,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [927] [2023-11-29 05:12:43,135 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_79423f02-1d89-407d-844a-4c6f86ac9487/sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c[2141,2154] [2023-11-29 05:12:43,186 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:12:43,203 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:12:43,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:43 WrapperNode [2023-11-29 05:12:43,204 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:12:43,205 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:12:43,205 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:12:43,205 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:12:43,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:43" (1/1) ... [2023-11-29 05:12:43,224 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:43" (1/1) ... [2023-11-29 05:12:43,251 INFO L138 Inliner]: procedures = 56, calls = 102, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 195 [2023-11-29 05:12:43,251 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:12:43,252 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:12:43,252 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:12:43,252 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:12:43,261 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:43" (1/1) ... [2023-11-29 05:12:43,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:43" (1/1) ... [2023-11-29 05:12:43,264 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:43" (1/1) ... [2023-11-29 05:12:43,279 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 05:12:43,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:43" (1/1) ... [2023-11-29 05:12:43,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:43" (1/1) ... [2023-11-29 05:12:43,285 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:43" (1/1) ... [2023-11-29 05:12:43,289 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:43" (1/1) ... [2023-11-29 05:12:43,291 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:43" (1/1) ... [2023-11-29 05:12:43,292 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:43" (1/1) ... [2023-11-29 05:12:43,295 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:12:43,296 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:12:43,296 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:12:43,296 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:12:43,297 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:43" (1/1) ... [2023-11-29 05:12:43,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:12:43,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79423f02-1d89-407d-844a-4c6f86ac9487/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:12:43,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79423f02-1d89-407d-844a-4c6f86ac9487/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:12:43,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79423f02-1d89-407d-844a-4c6f86ac9487/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:12:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:12:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-29 05:12:43,362 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-29 05:12:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-29 05:12:43,363 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-29 05:12:43,363 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-29 05:12:43,363 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-29 05:12:43,363 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-29 05:12:43,363 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-29 05:12:43,363 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-29 05:12:43,363 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-29 05:12:43,364 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-29 05:12:43,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-29 05:12:43,364 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-29 05:12:43,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-29 05:12:43,364 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-29 05:12:43,364 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-29 05:12:43,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:12:43,365 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-29 05:12:43,365 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-29 05:12:43,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:12:43,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:12:43,436 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:12:43,438 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:12:43,670 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:12:43,736 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:12:43,736 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 05:12:43,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:12:43 BoogieIcfgContainer [2023-11-29 05:12:43,737 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:12:43,739 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:12:43,740 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:12:43,742 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:12:43,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:12:42" (1/3) ... [2023-11-29 05:12:43,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37ea3a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:12:43, skipping insertion in model container [2023-11-29 05:12:43,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:12:43" (2/3) ... [2023-11-29 05:12:43,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37ea3a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:12:43, skipping insertion in model container [2023-11-29 05:12:43,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:12:43" (3/3) ... [2023-11-29 05:12:43,745 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product29.cil.c [2023-11-29 05:12:43,758 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:12:43,758 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:12:43,797 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:12:43,803 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;@561e812c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:12:43,803 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:12:43,807 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 49 states have (on average 1.510204081632653) internal successors, (74), 57 states have internal predecessors, (74), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 05:12:43,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-29 05:12:43,814 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:12:43,815 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:12:43,815 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:12:43,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:12:43,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1673493967, now seen corresponding path program 1 times [2023-11-29 05:12:43,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:12:43,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931334174] [2023-11-29 05:12:43,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:12:43,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:12:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:43,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 05:12:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:44,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 05:12:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:44,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 05:12:44,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:12:44,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931334174] [2023-11-29 05:12:44,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931334174] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:12:44,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:12:44,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:12:44,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650803144] [2023-11-29 05:12:44,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:12:44,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:12:44,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:12:44,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:12:44,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:12:44,040 INFO L87 Difference]: Start difference. First operand has 75 states, 49 states have (on average 1.510204081632653) internal successors, (74), 57 states have internal predecessors, (74), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 05:12:44,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:12:44,096 INFO L93 Difference]: Finished difference Result 148 states and 209 transitions. [2023-11-29 05:12:44,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:12:44,099 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-11-29 05:12:44,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:12:44,106 INFO L225 Difference]: With dead ends: 148 [2023-11-29 05:12:44,107 INFO L226 Difference]: Without dead ends: 70 [2023-11-29 05:12:44,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:12:44,113 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 85 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 [2023-11-29 05:12:44,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:12:44,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-29 05:12:44,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-11-29 05:12:44,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 46 states have (on average 1.391304347826087) internal successors, (64), 53 states have internal predecessors, (64), 15 states have call successors, (15), 9 states have call predecessors, (15), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 05:12:44,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 93 transitions. [2023-11-29 05:12:44,151 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 93 transitions. Word has length 22 [2023-11-29 05:12:44,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:12:44,151 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 93 transitions. [2023-11-29 05:12:44,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 05:12:44,152 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2023-11-29 05:12:44,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-29 05:12:44,154 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:12:44,154 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:12:44,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 05:12:44,155 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:12:44,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:12:44,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1908994612, now seen corresponding path program 1 times [2023-11-29 05:12:44,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:12:44,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949492431] [2023-11-29 05:12:44,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:12:44,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:12:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:44,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:12:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:44,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 05:12:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:44,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 05:12:44,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:12:44,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949492431] [2023-11-29 05:12:44,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949492431] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:12:44,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:12:44,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:12:44,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067325418] [2023-11-29 05:12:44,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:12:44,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:12:44,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:12:44,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:12:44,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:12:44,266 INFO L87 Difference]: Start difference. First operand 70 states and 93 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 05:12:44,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:12:44,304 INFO L93 Difference]: Finished difference Result 113 states and 149 transitions. [2023-11-29 05:12:44,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:12:44,305 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2023-11-29 05:12:44,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:12:44,307 INFO L225 Difference]: With dead ends: 113 [2023-11-29 05:12:44,308 INFO L226 Difference]: Without dead ends: 62 [2023-11-29 05:12:44,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:12:44,310 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 11 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:12:44,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 128 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:12:44,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-29 05:12:44,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-11-29 05:12:44,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 48 states have internal predecessors, (58), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 05:12:44,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 82 transitions. [2023-11-29 05:12:44,323 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 82 transitions. Word has length 23 [2023-11-29 05:12:44,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:12:44,324 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 82 transitions. [2023-11-29 05:12:44,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 05:12:44,324 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2023-11-29 05:12:44,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-29 05:12:44,326 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:12:44,326 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 05:12:44,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 05:12:44,327 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:12:44,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:12:44,327 INFO L85 PathProgramCache]: Analyzing trace with hash -444413404, now seen corresponding path program 1 times [2023-11-29 05:12:44,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:12:44,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385411204] [2023-11-29 05:12:44,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:12:44,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:12:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:44,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 05:12:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:44,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 05:12:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:44,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 05:12:44,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:12:44,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385411204] [2023-11-29 05:12:44,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385411204] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:12:44,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:12:44,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:12:44,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303206849] [2023-11-29 05:12:44,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:12:44,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:12:44,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:12:44,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:12:44,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:12:44,457 INFO L87 Difference]: Start difference. First operand 62 states and 82 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2023-11-29 05:12:44,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:12:44,551 INFO L93 Difference]: Finished difference Result 122 states and 163 transitions. [2023-11-29 05:12:44,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:12:44,552 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 26 [2023-11-29 05:12:44,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:12:44,554 INFO L225 Difference]: With dead ends: 122 [2023-11-29 05:12:44,554 INFO L226 Difference]: Without dead ends: 62 [2023-11-29 05:12:44,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:12:44,557 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 78 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:12:44,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 100 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:12:44,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-29 05:12:44,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-11-29 05:12:44,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 48 states have internal predecessors, (57), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 05:12:44,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 81 transitions. [2023-11-29 05:12:44,569 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 81 transitions. Word has length 26 [2023-11-29 05:12:44,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:12:44,571 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 81 transitions. [2023-11-29 05:12:44,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2023-11-29 05:12:44,571 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2023-11-29 05:12:44,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-29 05:12:44,573 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:12:44,573 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:12:44,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 05:12:44,573 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:12:44,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:12:44,574 INFO L85 PathProgramCache]: Analyzing trace with hash -874295906, now seen corresponding path program 1 times [2023-11-29 05:12:44,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:12:44,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699757518] [2023-11-29 05:12:44,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:12:44,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:12:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:44,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 05:12:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:44,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 05:12:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:44,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 05:12:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:44,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 05:12:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:44,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 05:12:44,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:12:44,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699757518] [2023-11-29 05:12:44,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699757518] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:12:44,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:12:44,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:12:44,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641899633] [2023-11-29 05:12:44,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:12:44,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:12:44,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:12:44,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:12:44,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:12:44,700 INFO L87 Difference]: Start difference. First operand 62 states and 81 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 05:12:44,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:12:44,767 INFO L93 Difference]: Finished difference Result 106 states and 139 transitions. [2023-11-29 05:12:44,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:12:44,768 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36 [2023-11-29 05:12:44,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:12:44,769 INFO L225 Difference]: With dead ends: 106 [2023-11-29 05:12:44,769 INFO L226 Difference]: Without dead ends: 46 [2023-11-29 05:12:44,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:12:44,771 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 57 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:12:44,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 42 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:12:44,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-29 05:12:44,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-29 05:12:44,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 32 states have (on average 1.28125) internal successors, (41), 35 states have internal predecessors, (41), 7 states have call successors, (7), 6 states have call predecessors, (7), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-29 05:12:44,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 55 transitions. [2023-11-29 05:12:44,780 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 55 transitions. Word has length 36 [2023-11-29 05:12:44,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:12:44,781 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 55 transitions. [2023-11-29 05:12:44,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 05:12:44,781 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2023-11-29 05:12:44,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-29 05:12:44,783 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:12:44,783 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:12:44,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 05:12:44,783 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:12:44,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:12:44,784 INFO L85 PathProgramCache]: Analyzing trace with hash 878232960, now seen corresponding path program 1 times [2023-11-29 05:12:44,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:12:44,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831371104] [2023-11-29 05:12:44,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:12:44,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:12:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:44,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 05:12:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:44,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 05:12:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:44,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:12:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:44,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 05:12:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:44,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 05:12:44,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:12:44,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831371104] [2023-11-29 05:12:44,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831371104] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:12:44,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:12:44,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:12:44,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746977426] [2023-11-29 05:12:44,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:12:44,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:12:44,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:12:44,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:12:44,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:12:44,920 INFO L87 Difference]: Start difference. First operand 46 states and 55 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 05:12:45,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:12:45,055 INFO L93 Difference]: Finished difference Result 88 states and 107 transitions. [2023-11-29 05:12:45,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:12:45,056 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 36 [2023-11-29 05:12:45,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:12:45,057 INFO L225 Difference]: With dead ends: 88 [2023-11-29 05:12:45,057 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 05:12:45,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-11-29 05:12:45,059 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 44 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:12:45,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 104 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:12:45,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 05:12:45,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 05:12:45,061 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) [2023-11-29 05:12:45,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 05:12:45,061 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2023-11-29 05:12:45,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:12:45,061 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 05:12:45,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 05:12:45,062 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 05:12:45,062 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 05:12:45,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 05:12:45,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 05:12:45,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 05:12:45,240 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 413 420) no Hoare annotation was computed. [2023-11-29 05:12:45,241 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 413 420) the Hoare annotation is: true [2023-11-29 05:12:45,241 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 329 335) no Hoare annotation was computed. [2023-11-29 05:12:45,241 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 329 335) the Hoare annotation is: true [2023-11-29 05:12:45,241 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 130 141) the Hoare annotation is: true [2023-11-29 05:12:45,241 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 130 141) no Hoare annotation was computed. [2023-11-29 05:12:45,242 INFO L899 garLoopResultBuilder]: For program point L134-1(lines 130 141) no Hoare annotation was computed. [2023-11-29 05:12:45,242 INFO L899 garLoopResultBuilder]: For program point L960(lines 960 966) no Hoare annotation was computed. [2023-11-29 05:12:45,242 INFO L895 garLoopResultBuilder]: At program point L382(line 382) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-11-29 05:12:45,243 INFO L899 garLoopResultBuilder]: For program point L382-1(lines 363 387) no Hoare annotation was computed. [2023-11-29 05:12:45,243 INFO L899 garLoopResultBuilder]: For program point L316-1(lines 316 322) no Hoare annotation was computed. [2023-11-29 05:12:45,243 INFO L899 garLoopResultBuilder]: For program point L110(lines 110 114) no Hoare annotation was computed. [2023-11-29 05:12:45,243 INFO L899 garLoopResultBuilder]: For program point L110-2(lines 106 117) no Hoare annotation was computed. [2023-11-29 05:12:45,244 INFO L895 garLoopResultBuilder]: At program point L957(line 957) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-11-29 05:12:45,244 INFO L899 garLoopResultBuilder]: For program point L957-1(line 957) no Hoare annotation was computed. [2023-11-29 05:12:45,244 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 315) no Hoare annotation was computed. [2023-11-29 05:12:45,244 INFO L899 garLoopResultBuilder]: For program point L309-2(lines 305 327) no Hoare annotation was computed. [2023-11-29 05:12:45,244 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 379) no Hoare annotation was computed. [2023-11-29 05:12:45,244 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 384) no Hoare annotation was computed. [2023-11-29 05:12:45,245 INFO L895 garLoopResultBuilder]: At program point L942(line 942) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-11-29 05:12:45,245 INFO L899 garLoopResultBuilder]: For program point L942-1(line 942) no Hoare annotation was computed. [2023-11-29 05:12:45,245 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 302 328) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-11-29 05:12:45,245 INFO L899 garLoopResultBuilder]: For program point L959(lines 959 969) no Hoare annotation was computed. [2023-11-29 05:12:45,245 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-11-29 05:12:45,245 INFO L899 garLoopResultBuilder]: For program point L955(lines 955 972) no Hoare annotation was computed. [2023-11-29 05:12:45,245 INFO L899 garLoopResultBuilder]: For program point L955-1(lines 947 975) no Hoare annotation was computed. [2023-11-29 05:12:45,246 INFO L895 garLoopResultBuilder]: At program point L377(line 377) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-11-29 05:12:45,246 INFO L895 garLoopResultBuilder]: At program point L373(line 373) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-11-29 05:12:45,246 INFO L895 garLoopResultBuilder]: At program point L369(line 369) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-11-29 05:12:45,246 INFO L899 garLoopResultBuilder]: For program point L369-1(line 369) no Hoare annotation was computed. [2023-11-29 05:12:45,246 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 302 328) no Hoare annotation was computed. [2023-11-29 05:12:45,247 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2023-11-29 05:12:45,247 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 195 224) no Hoare annotation was computed. [2023-11-29 05:12:45,247 INFO L899 garLoopResultBuilder]: For program point L220(lines 195 224) no Hoare annotation was computed. [2023-11-29 05:12:45,247 INFO L899 garLoopResultBuilder]: For program point L216(line 216) no Hoare annotation was computed. [2023-11-29 05:12:45,247 INFO L899 garLoopResultBuilder]: For program point L209(lines 209 213) no Hoare annotation was computed. [2023-11-29 05:12:45,247 INFO L902 garLoopResultBuilder]: At program point L209-1(lines 209 213) the Hoare annotation is: true [2023-11-29 05:12:45,247 INFO L902 garLoopResultBuilder]: At program point L205-2(lines 205 219) the Hoare annotation is: true [2023-11-29 05:12:45,248 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 195 224) the Hoare annotation is: true [2023-11-29 05:12:45,248 INFO L902 garLoopResultBuilder]: At program point L201(line 201) the Hoare annotation is: true [2023-11-29 05:12:45,248 INFO L899 garLoopResultBuilder]: For program point L201-1(line 201) no Hoare annotation was computed. [2023-11-29 05:12:45,248 INFO L899 garLoopResultBuilder]: For program point L543(lines 543 547) no Hoare annotation was computed. [2023-11-29 05:12:45,248 INFO L895 garLoopResultBuilder]: At program point L543-2(lines 537 548) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2023-11-29 05:12:45,248 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 533) no Hoare annotation was computed. [2023-11-29 05:12:45,248 INFO L899 garLoopResultBuilder]: For program point L527-1(lines 527 533) no Hoare annotation was computed. [2023-11-29 05:12:45,249 INFO L899 garLoopResultBuilder]: For program point L556(lines 497 560) no Hoare annotation was computed. [2023-11-29 05:12:45,249 INFO L895 garLoopResultBuilder]: At program point L519(line 519) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2023-11-29 05:12:45,249 INFO L899 garLoopResultBuilder]: For program point L280(lines 280 287) no Hoare annotation was computed. [2023-11-29 05:12:45,249 INFO L899 garLoopResultBuilder]: For program point L280-2(lines 280 287) no Hoare annotation was computed. [2023-11-29 05:12:45,249 INFO L895 garLoopResultBuilder]: At program point L553(lines 506 554) the Hoare annotation is: false [2023-11-29 05:12:45,249 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 05:12:45,249 INFO L899 garLoopResultBuilder]: For program point L508(lines 507 552) no Hoare annotation was computed. [2023-11-29 05:12:45,250 INFO L899 garLoopResultBuilder]: For program point L537(lines 537 548) no Hoare annotation was computed. [2023-11-29 05:12:45,250 INFO L895 garLoopResultBuilder]: At program point L529(line 529) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2023-11-29 05:12:45,250 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 05:12:45,250 INFO L895 garLoopResultBuilder]: At program point L550(lines 507 552) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2023-11-29 05:12:45,250 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 523) no Hoare annotation was computed. [2023-11-29 05:12:45,250 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 517 523) no Hoare annotation was computed. [2023-11-29 05:12:45,251 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 118 129) no Hoare annotation was computed. [2023-11-29 05:12:45,251 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 118 129) the Hoare annotation is: true [2023-11-29 05:12:45,251 INFO L899 garLoopResultBuilder]: For program point L122-1(lines 118 129) no Hoare annotation was computed. [2023-11-29 05:12:45,251 INFO L895 garLoopResultBuilder]: At program point L351(line 351) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-11-29 05:12:45,251 INFO L895 garLoopResultBuilder]: At program point L347(line 347) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-11-29 05:12:45,251 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 353) no Hoare annotation was computed. [2023-11-29 05:12:45,251 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 358) no Hoare annotation was computed. [2023-11-29 05:12:45,252 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 337 361) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-11-29 05:12:45,252 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 490) no Hoare annotation was computed. [2023-11-29 05:12:45,252 INFO L899 garLoopResultBuilder]: For program point L486-2(lines 486 490) no Hoare annotation was computed. [2023-11-29 05:12:45,252 INFO L895 garLoopResultBuilder]: At program point L356(line 356) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-11-29 05:12:45,252 INFO L899 garLoopResultBuilder]: For program point L356-1(lines 337 361) no Hoare annotation was computed. [2023-11-29 05:12:45,252 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 337 361) no Hoare annotation was computed. [2023-11-29 05:12:45,252 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 432 440) no Hoare annotation was computed. [2023-11-29 05:12:45,253 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 432 440) the Hoare annotation is: true [2023-11-29 05:12:45,253 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 421 431) no Hoare annotation was computed. [2023-11-29 05:12:45,253 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 421 431) the Hoare annotation is: true [2023-11-29 05:12:45,256 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-29 05:12:45,258 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:12:45,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:12:45 BoogieIcfgContainer [2023-11-29 05:12:45,269 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:12:45,269 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:12:45,270 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:12:45,270 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:12:45,270 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:12:43" (3/4) ... [2023-11-29 05:12:45,272 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 05:12:45,274 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-29 05:12:45,274 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-29 05:12:45,274 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-29 05:12:45,274 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-29 05:12:45,275 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-29 05:12:45,275 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-29 05:12:45,275 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2023-11-29 05:12:45,275 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-29 05:12:45,275 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2023-11-29 05:12:45,283 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2023-11-29 05:12:45,283 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-29 05:12:45,284 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 05:12:45,284 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 05:12:45,285 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 05:12:45,379 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79423f02-1d89-407d-844a-4c6f86ac9487/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 05:12:45,379 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79423f02-1d89-407d-844a-4c6f86ac9487/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 05:12:45,379 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:12:45,380 INFO L158 Benchmark]: Toolchain (without parser) took 2569.58ms. Allocated memory is still 157.3MB. Free memory was 120.2MB in the beginning and 61.0MB in the end (delta: 59.2MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. [2023-11-29 05:12:45,380 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 100.7MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:12:45,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.07ms. Allocated memory is still 157.3MB. Free memory was 119.8MB in the beginning and 100.4MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 05:12:45,381 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.27ms. Allocated memory is still 157.3MB. Free memory was 100.4MB in the beginning and 98.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:12:45,382 INFO L158 Benchmark]: Boogie Preprocessor took 43.37ms. Allocated memory is still 157.3MB. Free memory was 98.4MB in the beginning and 95.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:12:45,382 INFO L158 Benchmark]: RCFGBuilder took 440.94ms. Allocated memory is still 157.3MB. Free memory was 95.9MB in the beginning and 117.1MB in the end (delta: -21.2MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2023-11-29 05:12:45,382 INFO L158 Benchmark]: TraceAbstraction took 1529.74ms. Allocated memory is still 157.3MB. Free memory was 116.2MB in the beginning and 68.3MB in the end (delta: 47.9MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2023-11-29 05:12:45,383 INFO L158 Benchmark]: Witness Printer took 110.09ms. Allocated memory is still 157.3MB. Free memory was 68.3MB in the beginning and 61.0MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 05:12:45,385 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 100.7MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.07ms. Allocated memory is still 157.3MB. Free memory was 119.8MB in the beginning and 100.4MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.27ms. Allocated memory is still 157.3MB. Free memory was 100.4MB in the beginning and 98.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.37ms. Allocated memory is still 157.3MB. Free memory was 98.4MB in the beginning and 95.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 440.94ms. Allocated memory is still 157.3MB. Free memory was 95.9MB in the beginning and 117.1MB in the end (delta: -21.2MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1529.74ms. Allocated memory is still 157.3MB. Free memory was 116.2MB in the beginning and 68.3MB in the end (delta: 47.9MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Witness Printer took 110.09ms. Allocated memory is still 157.3MB. Free memory was 68.3MB in the beginning and 61.0MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [96] - GenericResultAtLocation [Line: 192]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [192] - GenericResultAtLocation [Line: 293]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [293] - GenericResultAtLocation [Line: 496]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [496] - GenericResultAtLocation [Line: 561]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [561] - GenericResultAtLocation [Line: 927]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [927] * 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: 92]: 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 10 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 197 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 190 mSDsluCounter, 459 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 181 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 226 IncrementalHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 278 mSDtfsCounter, 226 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, InterpolantAutomatonStates: 20, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 160 PreInvPairs, 166 NumberOfFragments, 173 HoareAnnotationTreeSize, 160 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 26 FomulaSimplificationsInter, 108 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 269 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 10/10 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: 205]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: ((((tmp == systemActive) && (pumpRunning == 0)) && (splverifierCounter == 0)) && !((0 == systemActive))) RESULT: Ultimate proved your program to be correct! [2023-11-29 05:12:45,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79423f02-1d89-407d-844a-4c6f86ac9487/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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