./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_4c132df0-9894-48e9-906f-3aabf508cc20/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c132df0-9894-48e9-906f-3aabf508cc20/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_4c132df0-9894-48e9-906f-3aabf508cc20/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c132df0-9894-48e9-906f-3aabf508cc20/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c132df0-9894-48e9-906f-3aabf508cc20/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_4c132df0-9894-48e9-906f-3aabf508cc20/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 278b945680d29bf571e1aaa42d90b0a6b141ce129976e6e0985d57b09f7f9d7c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:06:38,228 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:06:38,289 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c132df0-9894-48e9-906f-3aabf508cc20/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 00:06:38,293 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:06:38,294 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:06:38,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:06:38,317 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:06:38,318 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:06:38,319 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:06:38,319 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:06:38,320 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:06:38,320 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:06:38,321 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:06:38,322 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:06:38,322 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:06:38,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:06:38,323 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:06:38,324 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:06:38,325 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:06:38,325 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:06:38,326 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:06:38,328 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:06:38,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:06:38,330 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:06:38,330 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:06:38,331 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:06:38,331 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:06:38,331 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:06:38,332 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:06:38,332 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:06:38,333 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:06:38,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:06:38,333 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:06:38,334 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:06:38,334 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:06:38,334 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:06:38,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:06:38,334 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:06:38,335 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:06:38,335 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:06:38,335 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:06:38,335 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:06:38,335 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_4c132df0-9894-48e9-906f-3aabf508cc20/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c132df0-9894-48e9-906f-3aabf508cc20/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 278b945680d29bf571e1aaa42d90b0a6b141ce129976e6e0985d57b09f7f9d7c [2023-11-29 00:06:38,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:06:38,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:06:38,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:06:38,561 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:06:38,561 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:06:38,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c132df0-9894-48e9-906f-3aabf508cc20/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2023-11-29 00:06:41,387 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:06:41,605 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:06:41,605 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c132df0-9894-48e9-906f-3aabf508cc20/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2023-11-29 00:06:41,623 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c132df0-9894-48e9-906f-3aabf508cc20/bin/uautomizer-verify-BQ2R08f2Ya/data/e4c1a316e/e719a2dabbef4a38ae9ddbfea1fe6801/FLAGc30acd6dc [2023-11-29 00:06:41,641 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c132df0-9894-48e9-906f-3aabf508cc20/bin/uautomizer-verify-BQ2R08f2Ya/data/e4c1a316e/e719a2dabbef4a38ae9ddbfea1fe6801 [2023-11-29 00:06:41,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:06:41,645 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:06:41,647 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:06:41,647 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:06:41,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:06:41,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:06:41" (1/1) ... [2023-11-29 00:06:41,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a8fef97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:06:41, skipping insertion in model container [2023-11-29 00:06:41,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:06:41" (1/1) ... [2023-11-29 00:06:41,711 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:06:41,903 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_4c132df0-9894-48e9-906f-3aabf508cc20/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c[6886,6899] [2023-11-29 00:06:41,970 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:06:41,979 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:06:41,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2023-11-29 00:06:41,988 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [261] [2023-11-29 00:06:41,988 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [329] [2023-11-29 00:06:41,988 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [433] [2023-11-29 00:06:41,988 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [442] [2023-11-29 00:06:41,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [543] [2023-11-29 00:06:41,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [578] [2023-11-29 00:06:41,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [944] [2023-11-29 00:06:42,007 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_4c132df0-9894-48e9-906f-3aabf508cc20/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c[6886,6899] [2023-11-29 00:06:42,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:06:42,060 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:06:42,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:06:42 WrapperNode [2023-11-29 00:06:42,060 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:06:42,061 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:06:42,061 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:06:42,061 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:06:42,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:06:42" (1/1) ... [2023-11-29 00:06:42,080 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:06:42" (1/1) ... [2023-11-29 00:06:42,106 INFO L138 Inliner]: procedures = 57, calls = 101, calls flagged for inlining = 25, calls inlined = 21, statements flattened = 209 [2023-11-29 00:06:42,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:06:42,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:06:42,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:06:42,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:06:42,116 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:06:42" (1/1) ... [2023-11-29 00:06:42,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:06:42" (1/1) ... [2023-11-29 00:06:42,119 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:06:42" (1/1) ... [2023-11-29 00:06:42,135 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 00:06:42,135 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:06:42" (1/1) ... [2023-11-29 00:06:42,135 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:06:42" (1/1) ... [2023-11-29 00:06:42,141 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:06:42" (1/1) ... [2023-11-29 00:06:42,145 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:06:42" (1/1) ... [2023-11-29 00:06:42,146 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:06:42" (1/1) ... [2023-11-29 00:06:42,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:06:42" (1/1) ... [2023-11-29 00:06:42,151 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:06:42,152 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:06:42,152 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:06:42,152 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:06:42,153 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:06:42" (1/1) ... [2023-11-29 00:06:42,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:06:42,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c132df0-9894-48e9-906f-3aabf508cc20/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:06:42,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c132df0-9894-48e9-906f-3aabf508cc20/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:06:42,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c132df0-9894-48e9-906f-3aabf508cc20/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:06:42,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:06:42,219 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-29 00:06:42,219 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-29 00:06:42,219 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-29 00:06:42,219 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-29 00:06:42,220 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-29 00:06:42,220 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-29 00:06:42,220 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-29 00:06:42,220 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-29 00:06:42,220 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-29 00:06:42,220 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-29 00:06:42,221 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-29 00:06:42,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-29 00:06:42,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 00:06:42,221 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-29 00:06:42,221 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-29 00:06:42,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:06:42,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:06:42,318 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:06:42,320 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:06:42,541 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:06:42,599 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:06:42,599 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 00:06:42,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:06:42 BoogieIcfgContainer [2023-11-29 00:06:42,600 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:06:42,602 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:06:42,602 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:06:42,604 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:06:42,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:06:41" (1/3) ... [2023-11-29 00:06:42,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ad082e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:06:42, skipping insertion in model container [2023-11-29 00:06:42,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:06:42" (2/3) ... [2023-11-29 00:06:42,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ad082e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:06:42, skipping insertion in model container [2023-11-29 00:06:42,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:06:42" (3/3) ... [2023-11-29 00:06:42,607 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product49.cil.c [2023-11-29 00:06:42,620 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:06:42,621 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 00:06:42,660 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:06:42,665 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;@147d59a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:06:42,665 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 00:06:42,669 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 50 states have (on average 1.54) internal successors, (77), 58 states have internal predecessors, (77), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 00:06:42,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-29 00:06:42,677 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:42,678 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 00:06:42,678 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:06:42,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:42,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1581762416, now seen corresponding path program 1 times [2023-11-29 00:06:42,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:42,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199728963] [2023-11-29 00:06:42,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:42,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:42,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:06:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:42,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:06:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:42,845 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 00:06:42,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:42,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199728963] [2023-11-29 00:06:42,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199728963] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:06:42,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:06:42,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:06:42,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824461143] [2023-11-29 00:06:42,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:06:42,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 00:06:42,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:42,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 00:06:42,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:06:42,880 INFO L87 Difference]: Start difference. First operand has 71 states, 50 states have (on average 1.54) internal successors, (77), 58 states have internal predecessors, (77), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) 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 00:06:42,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:42,938 INFO L93 Difference]: Finished difference Result 140 states and 203 transitions. [2023-11-29 00:06:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 00:06:42,940 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 00:06:42,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:42,949 INFO L225 Difference]: With dead ends: 140 [2023-11-29 00:06:42,949 INFO L226 Difference]: Without dead ends: 66 [2023-11-29 00:06:42,953 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 00:06:42,956 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:42,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:06:42,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-29 00:06:42,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-29 00:06:42,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 47 states have (on average 1.425531914893617) internal successors, (67), 54 states have internal predecessors, (67), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-29 00:06:42,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 90 transitions. [2023-11-29 00:06:42,997 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 90 transitions. Word has length 22 [2023-11-29 00:06:42,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:42,997 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 90 transitions. [2023-11-29 00:06:42,998 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 00:06:42,998 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2023-11-29 00:06:43,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-29 00:06:43,000 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:43,001 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 00:06:43,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 00:06:43,001 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:06:43,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:43,002 INFO L85 PathProgramCache]: Analyzing trace with hash -656262365, now seen corresponding path program 1 times [2023-11-29 00:06:43,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:43,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535508450] [2023-11-29 00:06:43,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:43,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:43,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 00:06:43,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:43,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 00:06:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:43,104 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 00:06:43,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:43,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535508450] [2023-11-29 00:06:43,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535508450] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:06:43,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:06:43,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:06:43,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288919073] [2023-11-29 00:06:43,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:06:43,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:06:43,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:43,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:06:43,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:06:43,108 INFO L87 Difference]: Start difference. First operand 66 states and 90 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 00:06:43,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:43,146 INFO L93 Difference]: Finished difference Result 105 states and 143 transitions. [2023-11-29 00:06:43,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:06:43,147 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 00:06:43,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:43,148 INFO L225 Difference]: With dead ends: 105 [2023-11-29 00:06:43,148 INFO L226 Difference]: Without dead ends: 58 [2023-11-29 00:06:43,149 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 00:06:43,151 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 11 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:43,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 120 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:06:43,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-29 00:06:43,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-29 00:06:43,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 49 states have internal predecessors, (61), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-29 00:06:43,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 79 transitions. [2023-11-29 00:06:43,162 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 79 transitions. Word has length 23 [2023-11-29 00:06:43,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:43,163 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 79 transitions. [2023-11-29 00:06:43,163 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 00:06:43,163 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 79 transitions. [2023-11-29 00:06:43,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-29 00:06:43,165 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:43,165 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 00:06:43,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 00:06:43,166 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:06:43,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:43,166 INFO L85 PathProgramCache]: Analyzing trace with hash 2026892957, now seen corresponding path program 1 times [2023-11-29 00:06:43,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:43,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215528826] [2023-11-29 00:06:43,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:43,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:43,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 00:06:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:43,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 00:06:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:43,308 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 00:06:43,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:43,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215528826] [2023-11-29 00:06:43,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215528826] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:06:43,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:06:43,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:06:43,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217297848] [2023-11-29 00:06:43,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:06:43,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:06:43,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:43,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:06:43,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:06:43,311 INFO L87 Difference]: Start difference. First operand 58 states and 79 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 00:06:43,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:43,397 INFO L93 Difference]: Finished difference Result 114 states and 157 transitions. [2023-11-29 00:06:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:06:43,397 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 00:06:43,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:43,399 INFO L225 Difference]: With dead ends: 114 [2023-11-29 00:06:43,399 INFO L226 Difference]: Without dead ends: 58 [2023-11-29 00:06:43,400 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 00:06:43,401 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 75 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:43,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 98 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:06:43,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-29 00:06:43,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-29 00:06:43,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 49 states have internal predecessors, (60), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-29 00:06:43,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 78 transitions. [2023-11-29 00:06:43,411 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 78 transitions. Word has length 26 [2023-11-29 00:06:43,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:43,413 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 78 transitions. [2023-11-29 00:06:43,413 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 00:06:43,413 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2023-11-29 00:06:43,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-29 00:06:43,414 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:43,414 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] [2023-11-29 00:06:43,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 00:06:43,415 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:06:43,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:43,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1661671047, now seen corresponding path program 1 times [2023-11-29 00:06:43,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:43,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414654916] [2023-11-29 00:06:43,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:43,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:43,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 00:06:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:43,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 00:06:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:43,473 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 00:06:43,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:43,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414654916] [2023-11-29 00:06:43,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414654916] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:06:43,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:06:43,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:06:43,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688330553] [2023-11-29 00:06:43,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:06:43,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:06:43,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:43,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:06:43,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:06:43,476 INFO L87 Difference]: Start difference. First operand 58 states and 78 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 00:06:43,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:43,532 INFO L93 Difference]: Finished difference Result 156 states and 213 transitions. [2023-11-29 00:06:43,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:06:43,533 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 31 [2023-11-29 00:06:43,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:43,534 INFO L225 Difference]: With dead ends: 156 [2023-11-29 00:06:43,535 INFO L226 Difference]: Without dead ends: 100 [2023-11-29 00:06:43,536 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 00:06:43,537 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 61 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:43,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 130 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:06:43,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-11-29 00:06:43,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 98. [2023-11-29 00:06:43,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 71 states have (on average 1.380281690140845) internal successors, (98), 78 states have internal predecessors, (98), 14 states have call successors, (14), 12 states have call predecessors, (14), 12 states have return successors, (18), 14 states have call predecessors, (18), 14 states have call successors, (18) [2023-11-29 00:06:43,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 130 transitions. [2023-11-29 00:06:43,555 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 130 transitions. Word has length 31 [2023-11-29 00:06:43,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:43,555 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 130 transitions. [2023-11-29 00:06:43,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 00:06:43,556 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2023-11-29 00:06:43,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 00:06:43,557 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:43,557 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, 1, 1] [2023-11-29 00:06:43,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 00:06:43,558 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:06:43,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:43,558 INFO L85 PathProgramCache]: Analyzing trace with hash -101524931, now seen corresponding path program 1 times [2023-11-29 00:06:43,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:43,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654262963] [2023-11-29 00:06:43,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:43,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:43,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 00:06:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:43,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 00:06:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:43,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 00:06:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:43,709 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 00:06:43,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:43,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654262963] [2023-11-29 00:06:43,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654262963] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:06:43,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:06:43,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:06:43,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572723140] [2023-11-29 00:06:43,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:06:43,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:06:43,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:43,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:06:43,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:06:43,711 INFO L87 Difference]: Start difference. First operand 98 states and 130 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 00:06:43,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:43,852 INFO L93 Difference]: Finished difference Result 218 states and 294 transitions. [2023-11-29 00:06:43,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:06:43,852 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2023-11-29 00:06:43,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:43,854 INFO L225 Difference]: With dead ends: 218 [2023-11-29 00:06:43,854 INFO L226 Difference]: Without dead ends: 122 [2023-11-29 00:06:43,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:06:43,856 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 49 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:43,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 196 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:06:43,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2023-11-29 00:06:43,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120. [2023-11-29 00:06:43,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 88 states have (on average 1.375) internal successors, (121), 95 states have internal predecessors, (121), 16 states have call successors, (16), 12 states have call predecessors, (16), 15 states have return successors, (23), 17 states have call predecessors, (23), 16 states have call successors, (23) [2023-11-29 00:06:43,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 160 transitions. [2023-11-29 00:06:43,877 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 160 transitions. Word has length 38 [2023-11-29 00:06:43,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:43,878 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 160 transitions. [2023-11-29 00:06:43,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 00:06:43,878 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 160 transitions. [2023-11-29 00:06:43,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 00:06:43,880 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:43,880 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, 1, 1] [2023-11-29 00:06:43,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 00:06:43,880 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:06:43,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:43,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1381388609, now seen corresponding path program 1 times [2023-11-29 00:06:43,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:43,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768489089] [2023-11-29 00:06:43,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:43,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:43,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 00:06:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:43,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 00:06:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:43,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 00:06:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:43,998 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 00:06:43,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:43,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768489089] [2023-11-29 00:06:43,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768489089] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:06:43,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:06:43,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:06:43,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33947548] [2023-11-29 00:06:43,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:06:44,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:06:44,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:44,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:06:44,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:06:44,001 INFO L87 Difference]: Start difference. First operand 120 states and 160 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 00:06:44,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:44,152 INFO L93 Difference]: Finished difference Result 247 states and 337 transitions. [2023-11-29 00:06:44,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:06:44,152 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2023-11-29 00:06:44,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:44,154 INFO L225 Difference]: With dead ends: 247 [2023-11-29 00:06:44,154 INFO L226 Difference]: Without dead ends: 129 [2023-11-29 00:06:44,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:06:44,156 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 54 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:44,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 196 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:06:44,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2023-11-29 00:06:44,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 122. [2023-11-29 00:06:44,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 90 states have (on average 1.3666666666666667) internal successors, (123), 97 states have internal predecessors, (123), 16 states have call successors, (16), 12 states have call predecessors, (16), 15 states have return successors, (23), 17 states have call predecessors, (23), 16 states have call successors, (23) [2023-11-29 00:06:44,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 162 transitions. [2023-11-29 00:06:44,178 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 162 transitions. Word has length 38 [2023-11-29 00:06:44,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:44,178 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 162 transitions. [2023-11-29 00:06:44,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 00:06:44,179 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 162 transitions. [2023-11-29 00:06:44,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 00:06:44,180 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:44,181 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, 1, 1] [2023-11-29 00:06:44,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 00:06:44,181 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:06:44,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:44,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1325230785, now seen corresponding path program 1 times [2023-11-29 00:06:44,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:44,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68670898] [2023-11-29 00:06:44,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:44,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:44,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 00:06:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:44,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 00:06:44,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:44,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 00:06:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:44,263 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 00:06:44,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:44,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68670898] [2023-11-29 00:06:44,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68670898] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:06:44,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:06:44,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:06:44,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484388748] [2023-11-29 00:06:44,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:06:44,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:06:44,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:44,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:06:44,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:06:44,265 INFO L87 Difference]: Start difference. First operand 122 states and 162 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 00:06:44,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:44,505 INFO L93 Difference]: Finished difference Result 364 states and 497 transitions. [2023-11-29 00:06:44,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:06:44,507 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2023-11-29 00:06:44,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:44,509 INFO L225 Difference]: With dead ends: 364 [2023-11-29 00:06:44,509 INFO L226 Difference]: Without dead ends: 244 [2023-11-29 00:06:44,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:06:44,511 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 187 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:44,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 208 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:06:44,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2023-11-29 00:06:44,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 236. [2023-11-29 00:06:44,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 172 states have (on average 1.319767441860465) internal successors, (227), 183 states have internal predecessors, (227), 34 states have call successors, (34), 28 states have call predecessors, (34), 29 states have return successors, (53), 34 states have call predecessors, (53), 34 states have call successors, (53) [2023-11-29 00:06:44,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 314 transitions. [2023-11-29 00:06:44,545 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 314 transitions. Word has length 38 [2023-11-29 00:06:44,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:44,545 INFO L495 AbstractCegarLoop]: Abstraction has 236 states and 314 transitions. [2023-11-29 00:06:44,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 00:06:44,546 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 314 transitions. [2023-11-29 00:06:44,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-29 00:06:44,548 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:44,548 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, 1, 1, 1, 1, 1] [2023-11-29 00:06:44,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 00:06:44,548 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:06:44,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:44,549 INFO L85 PathProgramCache]: Analyzing trace with hash 629070449, now seen corresponding path program 1 times [2023-11-29 00:06:44,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:44,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579781742] [2023-11-29 00:06:44,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:44,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:44,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:44,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 00:06:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:44,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 00:06:44,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:44,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 00:06:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:44,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 00:06:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:44,679 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 00:06:44,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:44,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579781742] [2023-11-29 00:06:44,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579781742] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:06:44,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:06:44,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 00:06:44,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4967624] [2023-11-29 00:06:44,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:06:44,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:06:44,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:44,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:06:44,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:06:44,682 INFO L87 Difference]: Start difference. First operand 236 states and 314 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 00:06:44,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:44,987 INFO L93 Difference]: Finished difference Result 474 states and 635 transitions. [2023-11-29 00:06:44,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 00:06:44,989 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2023-11-29 00:06:44,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:44,992 INFO L225 Difference]: With dead ends: 474 [2023-11-29 00:06:44,992 INFO L226 Difference]: Without dead ends: 240 [2023-11-29 00:06:44,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2023-11-29 00:06:44,994 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 105 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:44,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 253 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:06:44,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2023-11-29 00:06:45,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 232. [2023-11-29 00:06:45,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 168 states have (on average 1.2797619047619047) internal successors, (215), 179 states have internal predecessors, (215), 34 states have call successors, (34), 28 states have call predecessors, (34), 29 states have return successors, (53), 34 states have call predecessors, (53), 34 states have call successors, (53) [2023-11-29 00:06:45,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 302 transitions. [2023-11-29 00:06:45,023 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 302 transitions. Word has length 41 [2023-11-29 00:06:45,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:45,024 INFO L495 AbstractCegarLoop]: Abstraction has 232 states and 302 transitions. [2023-11-29 00:06:45,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 00:06:45,024 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 302 transitions. [2023-11-29 00:06:45,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-29 00:06:45,025 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:45,026 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, 1, 1, 1, 1, 1, 1] [2023-11-29 00:06:45,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 00:06:45,026 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:06:45,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:45,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1114780583, now seen corresponding path program 1 times [2023-11-29 00:06:45,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:45,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250560894] [2023-11-29 00:06:45,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:45,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:45,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:06:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:45,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:06:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:45,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-29 00:06:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:45,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 00:06:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:45,212 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 00:06:45,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:45,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250560894] [2023-11-29 00:06:45,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250560894] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:06:45,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:06:45,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 00:06:45,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191273173] [2023-11-29 00:06:45,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:06:45,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 00:06:45,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:45,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 00:06:45,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 00:06:45,215 INFO L87 Difference]: Start difference. First operand 232 states and 302 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 00:06:45,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:45,793 INFO L93 Difference]: Finished difference Result 718 states and 973 transitions. [2023-11-29 00:06:45,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-29 00:06:45,794 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 42 [2023-11-29 00:06:45,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:45,799 INFO L225 Difference]: With dead ends: 718 [2023-11-29 00:06:45,799 INFO L226 Difference]: Without dead ends: 532 [2023-11-29 00:06:45,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=386, Unknown=0, NotChecked=0, Total=506 [2023-11-29 00:06:45,801 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 344 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:45,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 306 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 00:06:45,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2023-11-29 00:06:45,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 449. [2023-11-29 00:06:45,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 326 states have (on average 1.2791411042944785) internal successors, (417), 350 states have internal predecessors, (417), 65 states have call successors, (65), 49 states have call predecessors, (65), 57 states have return successors, (104), 67 states have call predecessors, (104), 65 states have call successors, (104) [2023-11-29 00:06:45,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 586 transitions. [2023-11-29 00:06:45,859 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 586 transitions. Word has length 42 [2023-11-29 00:06:45,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:45,860 INFO L495 AbstractCegarLoop]: Abstraction has 449 states and 586 transitions. [2023-11-29 00:06:45,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 00:06:45,860 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 586 transitions. [2023-11-29 00:06:45,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-29 00:06:45,863 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:45,864 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:06:45,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 00:06:45,864 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:06:45,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:45,864 INFO L85 PathProgramCache]: Analyzing trace with hash 829498276, now seen corresponding path program 1 times [2023-11-29 00:06:45,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:45,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131110025] [2023-11-29 00:06:45,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:45,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:45,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:06:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:45,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:06:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:45,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:06:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:45,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 00:06:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:45,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 00:06:45,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:45,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 00:06:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:45,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 00:06:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:45,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 00:06:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:45,969 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-29 00:06:45,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:45,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131110025] [2023-11-29 00:06:45,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131110025] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:06:45,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543149621] [2023-11-29 00:06:45,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:45,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:06:45,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c132df0-9894-48e9-906f-3aabf508cc20/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:06:45,973 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c132df0-9894-48e9-906f-3aabf508cc20/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:06:45,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c132df0-9894-48e9-906f-3aabf508cc20/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 00:06:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:46,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 00:06:46,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:06:46,208 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:06:46,208 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:06:46,397 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 00:06:46,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543149621] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:06:46,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:06:46,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2023-11-29 00:06:46,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113501072] [2023-11-29 00:06:46,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:06:46,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 00:06:46,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:46,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 00:06:46,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-29 00:06:46,400 INFO L87 Difference]: Start difference. First operand 449 states and 586 transitions. Second operand has 12 states, 10 states have (on average 8.5) internal successors, (85), 8 states have internal predecessors, (85), 4 states have call successors, (18), 6 states have call predecessors, (18), 5 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) [2023-11-29 00:06:47,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:47,367 INFO L93 Difference]: Finished difference Result 964 states and 1292 transitions. [2023-11-29 00:06:47,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-29 00:06:47,368 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 8.5) internal successors, (85), 8 states have internal predecessors, (85), 4 states have call successors, (18), 6 states have call predecessors, (18), 5 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) Word has length 76 [2023-11-29 00:06:47,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:47,373 INFO L225 Difference]: With dead ends: 964 [2023-11-29 00:06:47,374 INFO L226 Difference]: Without dead ends: 559 [2023-11-29 00:06:47,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 167 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=255, Invalid=1005, Unknown=0, NotChecked=0, Total=1260 [2023-11-29 00:06:47,378 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 253 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:47,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 791 Invalid, 892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 00:06:47,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2023-11-29 00:06:47,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 504. [2023-11-29 00:06:47,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 363 states have (on average 1.258953168044077) internal successors, (457), 393 states have internal predecessors, (457), 74 states have call successors, (74), 62 states have call predecessors, (74), 66 states have return successors, (95), 69 states have call predecessors, (95), 74 states have call successors, (95) [2023-11-29 00:06:47,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 626 transitions. [2023-11-29 00:06:47,449 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 626 transitions. Word has length 76 [2023-11-29 00:06:47,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:47,450 INFO L495 AbstractCegarLoop]: Abstraction has 504 states and 626 transitions. [2023-11-29 00:06:47,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 8.5) internal successors, (85), 8 states have internal predecessors, (85), 4 states have call successors, (18), 6 states have call predecessors, (18), 5 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) [2023-11-29 00:06:47,450 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 626 transitions. [2023-11-29 00:06:47,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 00:06:47,455 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:47,455 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:06:47,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c132df0-9894-48e9-906f-3aabf508cc20/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 00:06:47,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c132df0-9894-48e9-906f-3aabf508cc20/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:06:47,656 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:06:47,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:47,656 INFO L85 PathProgramCache]: Analyzing trace with hash -629021355, now seen corresponding path program 1 times [2023-11-29 00:06:47,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:47,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675096948] [2023-11-29 00:06:47,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:47,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:47,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:06:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:47,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:06:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:47,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:06:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:47,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 00:06:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:47,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 00:06:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:47,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:06:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:47,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:06:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:47,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 00:06:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:47,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-29 00:06:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:47,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:06:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:47,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-29 00:06:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:47,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 00:06:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:47,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-29 00:06:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:47,929 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 75 proven. 21 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-29 00:06:47,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:47,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675096948] [2023-11-29 00:06:47,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675096948] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:06:47,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640230518] [2023-11-29 00:06:47,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:47,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:06:47,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c132df0-9894-48e9-906f-3aabf508cc20/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:06:47,931 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c132df0-9894-48e9-906f-3aabf508cc20/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:06:47,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c132df0-9894-48e9-906f-3aabf508cc20/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 00:06:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:48,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 00:06:48,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:06:48,221 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 110 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-29 00:06:48,221 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:06:48,618 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 66 proven. 31 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-29 00:06:48,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [640230518] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:06:48,619 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:06:48,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 21 [2023-11-29 00:06:48,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225664743] [2023-11-29 00:06:48,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:06:48,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 00:06:48,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:48,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 00:06:48,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2023-11-29 00:06:48,622 INFO L87 Difference]: Start difference. First operand 504 states and 626 transitions. Second operand has 21 states, 21 states have (on average 7.190476190476191) internal successors, (151), 18 states have internal predecessors, (151), 10 states have call successors, (28), 8 states have call predecessors, (28), 9 states have return successors, (27), 9 states have call predecessors, (27), 10 states have call successors, (27) [2023-11-29 00:06:49,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:49,490 INFO L93 Difference]: Finished difference Result 1060 states and 1361 transitions. [2023-11-29 00:06:49,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-29 00:06:49,491 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 7.190476190476191) internal successors, (151), 18 states have internal predecessors, (151), 10 states have call successors, (28), 8 states have call predecessors, (28), 9 states have return successors, (27), 9 states have call predecessors, (27), 10 states have call successors, (27) Word has length 133 [2023-11-29 00:06:49,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:49,492 INFO L225 Difference]: With dead ends: 1060 [2023-11-29 00:06:49,492 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 00:06:49,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 284 SyntacticMatches, 4 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=340, Invalid=1066, Unknown=0, NotChecked=0, Total=1406 [2023-11-29 00:06:49,496 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 351 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 964 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 1078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:49,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 446 Invalid, 1078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 964 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 00:06:49,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 00:06:49,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 00:06:49,497 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 00:06:49,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 00:06:49,498 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 133 [2023-11-29 00:06:49,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:49,498 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 00:06:49,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 7.190476190476191) internal successors, (151), 18 states have internal predecessors, (151), 10 states have call successors, (28), 8 states have call predecessors, (28), 9 states have return successors, (27), 9 states have call predecessors, (27), 10 states have call successors, (27) [2023-11-29 00:06:49,498 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 00:06:49,498 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 00:06:49,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 00:06:49,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c132df0-9894-48e9-906f-3aabf508cc20/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 00:06:49,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c132df0-9894-48e9-906f-3aabf508cc20/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:06:49,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 00:06:51,866 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 92 98) no Hoare annotation was computed. [2023-11-29 00:06:51,866 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 92 98) the Hoare annotation is: true [2023-11-29 00:06:51,866 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 357 368) the Hoare annotation is: true [2023-11-29 00:06:51,866 INFO L899 garLoopResultBuilder]: For program point L361-1(lines 357 368) no Hoare annotation was computed. [2023-11-29 00:06:51,866 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 357 368) no Hoare annotation was computed. [2023-11-29 00:06:51,867 INFO L899 garLoopResultBuilder]: For program point L450-1(line 450) no Hoare annotation was computed. [2023-11-29 00:06:51,867 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 444 473) no Hoare annotation was computed. [2023-11-29 00:06:51,867 INFO L899 garLoopResultBuilder]: For program point L469(lines 444 473) no Hoare annotation was computed. [2023-11-29 00:06:51,867 INFO L899 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2023-11-29 00:06:51,867 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 462) no Hoare annotation was computed. [2023-11-29 00:06:51,867 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 444 473) the Hoare annotation is: true [2023-11-29 00:06:51,867 INFO L902 garLoopResultBuilder]: At program point L458-1(lines 458 462) the Hoare annotation is: true [2023-11-29 00:06:51,867 INFO L902 garLoopResultBuilder]: At program point L454-2(lines 454 468) the Hoare annotation is: true [2023-11-29 00:06:51,867 INFO L902 garLoopResultBuilder]: At program point L450(line 450) the Hoare annotation is: true [2023-11-29 00:06:51,867 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 341) no Hoare annotation was computed. [2023-11-29 00:06:51,867 INFO L899 garLoopResultBuilder]: For program point L977(lines 977 983) no Hoare annotation was computed. [2023-11-29 00:06:51,868 INFO L899 garLoopResultBuilder]: For program point L337-2(lines 333 344) no Hoare annotation was computed. [2023-11-29 00:06:51,868 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 255) no Hoare annotation was computed. [2023-11-29 00:06:51,868 INFO L899 garLoopResultBuilder]: For program point L251-2(lines 251 255) no Hoare annotation was computed. [2023-11-29 00:06:51,868 INFO L895 garLoopResultBuilder]: At program point L974(line 974) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (<= ~waterLevel~0 1)) (.cse12 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse1 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| ~waterLevel~0)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse7 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse8 (and .cse4 .cse10 .cse12 .cse1 .cse3)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse6 (= 0 ~systemActive~0)) (.cse9 (and .cse0 .cse10 .cse12 .cse1 .cse3))) (and (let ((.cse2 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse3 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| 1)) (not (= |old(~waterLevel~0)| 2)) .cse5 .cse6)) (or (not (= |old(~waterLevel~0)| 1)) .cse7 .cse8 .cse5 .cse6 .cse9) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse10 .cse1 .cse11) .cse6 (< 2 |old(~waterLevel~0)|)) (or (< 1 |old(~waterLevel~0)|) .cse7 (and .cse4 .cse1 .cse11 .cse3) .cse8 (and .cse0 .cse1 .cse11 .cse3) .cse5 .cse6 .cse9)))) [2023-11-29 00:06:51,868 INFO L899 garLoopResultBuilder]: For program point L974-1(line 974) no Hoare annotation was computed. [2023-11-29 00:06:51,869 INFO L895 garLoopResultBuilder]: At program point L140(line 140) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse7 (and .cse0 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse4 (= 0 ~systemActive~0))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse4) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse6 .cse7 .cse3 .cse4 (< 2 |old(~waterLevel~0)|)) (or (< 1 |old(~waterLevel~0)|) .cse5 .cse4) (or (not (= |old(~waterLevel~0)| 1)) .cse6 .cse7 .cse3 .cse4)))) [2023-11-29 00:06:51,869 INFO L899 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2023-11-29 00:06:51,869 INFO L895 garLoopResultBuilder]: At program point L145(line 145) the Hoare annotation is: (let ((.cse1 (< |old(~pumpRunning~0)| 1)) (.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 (< 2 |old(~waterLevel~0)|)) (or (not (= |old(~waterLevel~0)| 2)) .cse1 .cse0) (or (< 1 |old(~waterLevel~0)|) (< |old(~switchedOnBeforeTS~0)| 1) .cse1 .cse0))) [2023-11-29 00:06:51,869 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 126 150) no Hoare annotation was computed. [2023-11-29 00:06:51,869 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 79 85) no Hoare annotation was computed. [2023-11-29 00:06:51,870 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 65 91) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 2 ~waterLevel~0)) (.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse7 (< |old(~pumpRunning~0)| 1)) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 .cse5) (or (< 1 |old(~waterLevel~0)|) (and .cse1 .cse3 .cse6) .cse0 .cse5) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse7 .cse5 (and .cse8 .cse3 .cse6) (< 2 |old(~waterLevel~0)|)) (or (and .cse8 .cse2 .cse3) .cse4 .cse7 .cse5))) [2023-11-29 00:06:51,870 INFO L895 garLoopResultBuilder]: At program point L959(line 959) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 2 ~waterLevel~0)) (.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse7 (< |old(~pumpRunning~0)| 1)) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 .cse5) (or (< 1 |old(~waterLevel~0)|) (and .cse1 .cse3 .cse6) .cse0 .cse5) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse7 .cse5 (and .cse8 .cse3 .cse6) (< 2 |old(~waterLevel~0)|)) (or (and .cse8 .cse2 .cse3) .cse4 .cse7 .cse5))) [2023-11-29 00:06:51,870 INFO L899 garLoopResultBuilder]: For program point L959-1(line 959) no Hoare annotation was computed. [2023-11-29 00:06:51,870 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 986) no Hoare annotation was computed. [2023-11-29 00:06:51,870 INFO L899 garLoopResultBuilder]: For program point L972(lines 972 989) no Hoare annotation was computed. [2023-11-29 00:06:51,870 INFO L899 garLoopResultBuilder]: For program point L972-1(lines 964 992) no Hoare annotation was computed. [2023-11-29 00:06:51,871 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 65 91) no Hoare annotation was computed. [2023-11-29 00:06:51,871 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 438) no Hoare annotation was computed. [2023-11-29 00:06:51,871 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 78) no Hoare annotation was computed. [2023-11-29 00:06:51,871 INFO L899 garLoopResultBuilder]: For program point L72-2(lines 68 90) no Hoare annotation was computed. [2023-11-29 00:06:51,871 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 142) no Hoare annotation was computed. [2023-11-29 00:06:51,871 INFO L899 garLoopResultBuilder]: For program point L130(lines 130 147) no Hoare annotation was computed. [2023-11-29 00:06:51,871 INFO L895 garLoopResultBuilder]: At program point L287(line 287) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (= 2 ~waterLevel~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~5#1| ~systemActive~0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse4) (and .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4))) [2023-11-29 00:06:51,871 INFO L895 garLoopResultBuilder]: At program point L321(lines 274 322) the Hoare annotation is: false [2023-11-29 00:06:51,872 INFO L899 garLoopResultBuilder]: For program point L276(lines 275 320) no Hoare annotation was computed. [2023-11-29 00:06:51,872 INFO L899 garLoopResultBuilder]: For program point L305(lines 305 316) no Hoare annotation was computed. [2023-11-29 00:06:51,872 INFO L895 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= |ULTIMATE.start_main_~tmp~5#1| ~systemActive~0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 (<= ~waterLevel~0 2) .cse1 .cse2) (and .cse3 (<= ~waterLevel~0 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2) (and .cse3 (= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2023-11-29 00:06:51,872 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 00:06:51,872 INFO L895 garLoopResultBuilder]: At program point L318(lines 275 320) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (= 2 ~waterLevel~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~5#1| ~systemActive~0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse4) (and .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4))) [2023-11-29 00:06:51,872 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 291) no Hoare annotation was computed. [2023-11-29 00:06:51,872 INFO L899 garLoopResultBuilder]: For program point L285-1(lines 285 291) no Hoare annotation was computed. [2023-11-29 00:06:51,872 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 00:06:51,873 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 315) no Hoare annotation was computed. [2023-11-29 00:06:51,873 INFO L895 garLoopResultBuilder]: At program point L311-2(lines 305 316) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= |ULTIMATE.start_main_~tmp~5#1| ~systemActive~0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 (<= ~waterLevel~0 2) .cse1 .cse2) (and .cse3 (<= ~waterLevel~0 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2) (and .cse3 (= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2023-11-29 00:06:51,873 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 537) no Hoare annotation was computed. [2023-11-29 00:06:51,873 INFO L899 garLoopResultBuilder]: For program point L530-2(lines 530 537) no Hoare annotation was computed. [2023-11-29 00:06:51,873 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 301) no Hoare annotation was computed. [2023-11-29 00:06:51,873 INFO L899 garLoopResultBuilder]: For program point L295-1(lines 295 301) no Hoare annotation was computed. [2023-11-29 00:06:51,873 INFO L899 garLoopResultBuilder]: For program point L324(lines 265 328) no Hoare annotation was computed. [2023-11-29 00:06:51,873 INFO L895 garLoopResultBuilder]: At program point L114(line 114) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0)) .cse0) (or (< 1 ~waterLevel~0) (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1) .cse0))) [2023-11-29 00:06:51,873 INFO L899 garLoopResultBuilder]: For program point L108(lines 108 116) no Hoare annotation was computed. [2023-11-29 00:06:51,873 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 100 124) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1) .cse2))) [2023-11-29 00:06:51,873 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 121) no Hoare annotation was computed. [2023-11-29 00:06:51,873 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 236) no Hoare annotation was computed. [2023-11-29 00:06:51,874 INFO L899 garLoopResultBuilder]: For program point L232-2(lines 232 236) no Hoare annotation was computed. [2023-11-29 00:06:51,874 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 410 423) no Hoare annotation was computed. [2023-11-29 00:06:51,874 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 420) no Hoare annotation was computed. [2023-11-29 00:06:51,874 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 100 124) no Hoare annotation was computed. [2023-11-29 00:06:51,874 INFO L895 garLoopResultBuilder]: At program point L119(line 119) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1) .cse2))) [2023-11-29 00:06:51,874 INFO L899 garLoopResultBuilder]: For program point L119-1(lines 100 124) no Hoare annotation was computed. [2023-11-29 00:06:51,874 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 345 356) no Hoare annotation was computed. [2023-11-29 00:06:51,874 INFO L899 garLoopResultBuilder]: For program point L349-1(lines 345 356) no Hoare annotation was computed. [2023-11-29 00:06:51,874 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 345 356) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse5 (= 2 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse4 (< ~pumpRunning~0 1)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse1 .cse5 .cse6 .cse3) (or .cse0 .cse4 (< ~switchedOnBeforeTS~0 1) .cse2 .cse3))) [2023-11-29 00:06:51,874 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 178 186) no Hoare annotation was computed. [2023-11-29 00:06:51,875 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 178 186) the Hoare annotation is: true [2023-11-29 00:06:51,877 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:06:51,879 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 00:06:51,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 12:06:51 BoogieIcfgContainer [2023-11-29 00:06:51,891 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 00:06:51,891 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 00:06:51,891 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 00:06:51,891 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 00:06:51,892 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:06:42" (3/4) ... [2023-11-29 00:06:51,894 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 00:06:51,897 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-29 00:06:51,897 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-29 00:06:51,898 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-29 00:06:51,898 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-29 00:06:51,898 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2023-11-29 00:06:51,898 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-29 00:06:51,898 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-29 00:06:51,906 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2023-11-29 00:06:51,906 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-29 00:06:51,907 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 00:06:51,907 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 00:06:51,908 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 00:06:52,020 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c132df0-9894-48e9-906f-3aabf508cc20/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 00:06:52,021 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c132df0-9894-48e9-906f-3aabf508cc20/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 00:06:52,021 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 00:06:52,022 INFO L158 Benchmark]: Toolchain (without parser) took 10376.59ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 107.5MB in the beginning and 71.8MB in the end (delta: 35.7MB). Peak memory consumption was 106.7MB. Max. memory is 16.1GB. [2023-11-29 00:06:52,022 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 102.8MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:06:52,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.92ms. Allocated memory is still 151.0MB. Free memory was 107.5MB in the beginning and 87.8MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 00:06:52,023 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.82ms. Allocated memory is still 151.0MB. Free memory was 87.8MB in the beginning and 85.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:06:52,023 INFO L158 Benchmark]: Boogie Preprocessor took 43.23ms. Allocated memory is still 151.0MB. Free memory was 85.4MB in the beginning and 83.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:06:52,024 INFO L158 Benchmark]: RCFGBuilder took 448.39ms. Allocated memory is still 151.0MB. Free memory was 83.2MB in the beginning and 106.0MB in the end (delta: -22.8MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2023-11-29 00:06:52,024 INFO L158 Benchmark]: TraceAbstraction took 9288.97ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 105.1MB in the beginning and 79.1MB in the end (delta: 26.0MB). Peak memory consumption was 116.8MB. Max. memory is 16.1GB. [2023-11-29 00:06:52,025 INFO L158 Benchmark]: Witness Printer took 129.86ms. Allocated memory is still 220.2MB. Free memory was 79.1MB in the beginning and 71.8MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 00:06:52,027 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 102.8MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 413.92ms. Allocated memory is still 151.0MB. Free memory was 107.5MB in the beginning and 87.8MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.82ms. Allocated memory is still 151.0MB. Free memory was 87.8MB in the beginning and 85.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.23ms. Allocated memory is still 151.0MB. Free memory was 85.4MB in the beginning and 83.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 448.39ms. Allocated memory is still 151.0MB. Free memory was 83.2MB in the beginning and 106.0MB in the end (delta: -22.8MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * TraceAbstraction took 9288.97ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 105.1MB in the beginning and 79.1MB in the end (delta: 26.0MB). Peak memory consumption was 116.8MB. Max. memory is 16.1GB. * Witness Printer took 129.86ms. Allocated memory is still 220.2MB. Free memory was 79.1MB in the beginning and 71.8MB 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,"MinePump.i","") [49] - GenericResultAtLocation [Line: 261]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [261] - GenericResultAtLocation [Line: 329]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [329] - GenericResultAtLocation [Line: 433]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [433] - GenericResultAtLocation [Line: 442]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [442] - GenericResultAtLocation [Line: 543]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [543] - GenericResultAtLocation [Line: 578]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [578] - GenericResultAtLocation [Line: 944]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [944] * 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: 438]: 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 8 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.2s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1528 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1490 mSDsluCounter, 2825 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2008 mSDsCounter, 445 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2861 IncrementalHoareTripleChecker+Invalid, 3306 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 445 mSolverCounterUnsat, 817 mSDtfsCounter, 2861 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 654 GetRequests, 522 SyntacticMatches, 8 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 673 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=504occurred in iteration=10, InterpolantAutomatonStates: 117, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 165 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 705 PreInvPairs, 804 NumberOfFragments, 958 HoareAnnotationTreeSize, 705 FomulaSimplifications, 3031 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 21 FomulaSimplificationsInter, 6291 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 717 NumberOfCodeBlocks, 717 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 911 ConstructedInterpolants, 0 QuantifiedInterpolants, 1776 SizeOfPredicates, 5 NumberOfNonLiveVariables, 758 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 483/552 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: 275]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 0) && (waterLevel <= 1)) && (splverifierCounter == 0)) && (tmp == systemActive)) && !((0 == systemActive))) || ((((((1 <= pumpRunning) && (waterLevel <= 1)) && (splverifierCounter == 0)) && (1 <= switchedOnBeforeTS)) && (tmp == systemActive)) && !((0 == systemActive)))) || (((((pumpRunning == 0) && (2 == waterLevel)) && (splverifierCounter == 0)) && (tmp == systemActive)) && !((0 == systemActive)))) || (((((1 <= pumpRunning) && (2 == waterLevel)) && (splverifierCounter == 0)) && (tmp == systemActive)) && !((0 == systemActive)))) - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-29 00:06:52,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c132df0-9894-48e9-906f-3aabf508cc20/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