./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product39.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_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/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_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/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_fa7dc560-22b1-45f8-a831-26f13f38933c/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 df3faf2d1bbcaed92e1c2eddcb5ae1d2459730e99808e363d537a0bc5d54e347 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:56:09,059 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:56:09,129 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 02:56:09,135 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:56:09,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:56:09,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:56:09,162 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:56:09,163 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:56:09,164 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:56:09,164 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:56:09,165 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:56:09,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:56:09,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:56:09,167 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:56:09,167 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:56:09,168 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:56:09,168 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:56:09,169 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:56:09,169 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:56:09,170 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:56:09,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:56:09,171 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:56:09,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:56:09,172 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:56:09,173 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:56:09,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:56:09,174 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:56:09,174 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:56:09,175 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:56:09,175 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:56:09,176 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:56:09,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:56:09,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:56:09,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:56:09,177 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:56:09,178 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:56:09,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:56:09,179 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:56:09,179 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:56:09,180 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:56:09,180 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:56:09,185 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:56:09,185 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_fa7dc560-22b1-45f8-a831-26f13f38933c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df3faf2d1bbcaed92e1c2eddcb5ae1d2459730e99808e363d537a0bc5d54e347 [2023-11-29 02:56:09,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:56:09,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:56:09,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:56:09,434 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:56:09,435 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:56:09,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c [2023-11-29 02:56:12,196 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:56:12,396 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:56:12,397 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c [2023-11-29 02:56:12,412 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/data/57bd828c4/16733312028a4295b0c73ee5aa5dc344/FLAG3d83c0bde [2023-11-29 02:56:12,427 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/data/57bd828c4/16733312028a4295b0c73ee5aa5dc344 [2023-11-29 02:56:12,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:56:12,431 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:56:12,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:56:12,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:56:12,437 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:56:12,438 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:56:12" (1/1) ... [2023-11-29 02:56:12,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74ecee6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:12, skipping insertion in model container [2023-11-29 02:56:12,439 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:56:12" (1/1) ... [2023-11-29 02:56:12,485 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:56:12,611 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_fa7dc560-22b1-45f8-a831-26f13f38933c/sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c[1605,1618] [2023-11-29 02:56:12,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:56:12,725 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:56:12,732 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-11-29 02:56:12,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] [2023-11-29 02:56:12,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [96] [2023-11-29 02:56:12,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [304] [2023-11-29 02:56:12,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [405] [2023-11-29 02:56:12,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [472] [2023-11-29 02:56:12,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [522] [2023-11-29 02:56:12,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [888] [2023-11-29 02:56:12,738 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_fa7dc560-22b1-45f8-a831-26f13f38933c/sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c[1605,1618] [2023-11-29 02:56:12,787 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:56:12,804 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:56:12,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:12 WrapperNode [2023-11-29 02:56:12,805 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:56:12,806 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:56:12,806 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:56:12,806 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:56:12,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:12" (1/1) ... [2023-11-29 02:56:12,823 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:12" (1/1) ... [2023-11-29 02:56:12,848 INFO L138 Inliner]: procedures = 56, calls = 102, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 206 [2023-11-29 02:56:12,848 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:56:12,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:56:12,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:56:12,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:56:12,859 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:12" (1/1) ... [2023-11-29 02:56:12,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:12" (1/1) ... [2023-11-29 02:56:12,861 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:12" (1/1) ... [2023-11-29 02:56:12,878 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 02:56:12,879 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:12" (1/1) ... [2023-11-29 02:56:12,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:12" (1/1) ... [2023-11-29 02:56:12,884 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:12" (1/1) ... [2023-11-29 02:56:12,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:12" (1/1) ... [2023-11-29 02:56:12,890 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:12" (1/1) ... [2023-11-29 02:56:12,892 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:12" (1/1) ... [2023-11-29 02:56:12,895 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:56:12,896 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:56:12,896 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:56:12,896 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:56:12,896 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:12" (1/1) ... [2023-11-29 02:56:12,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:56:12,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:56:12,921 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:56:12,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:56:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:56:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-29 02:56:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-29 02:56:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-29 02:56:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-29 02:56:12,963 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-29 02:56:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-29 02:56:12,963 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-29 02:56:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-29 02:56:12,963 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-29 02:56:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-29 02:56:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-29 02:56:12,964 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-29 02:56:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-29 02:56:12,964 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-29 02:56:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:56:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-29 02:56:12,965 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-29 02:56:12,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:56:12,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:56:13,049 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:56:13,052 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:56:13,293 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:56:13,361 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:56:13,361 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 02:56:13,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:56:13 BoogieIcfgContainer [2023-11-29 02:56:13,362 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:56:13,365 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:56:13,365 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:56:13,369 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:56:13,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:56:12" (1/3) ... [2023-11-29 02:56:13,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1febd819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:56:13, skipping insertion in model container [2023-11-29 02:56:13,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:12" (2/3) ... [2023-11-29 02:56:13,371 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1febd819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:56:13, skipping insertion in model container [2023-11-29 02:56:13,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:56:13" (3/3) ... [2023-11-29 02:56:13,372 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product39.cil.c [2023-11-29 02:56:13,390 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:56:13,390 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:56:13,437 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:56:13,444 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;@613428eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:56:13,445 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:56:13,449 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 51 states have (on average 1.5294117647058822) internal successors, (78), 60 states have internal predecessors, (78), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 02:56:13,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-29 02:56:13,458 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:56:13,459 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 02:56:13,459 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:56:13,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:56:13,465 INFO L85 PathProgramCache]: Analyzing trace with hash 190850071, now seen corresponding path program 1 times [2023-11-29 02:56:13,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:56:13,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626765811] [2023-11-29 02:56:13,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:56:13,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:56:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:13,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 02:56:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:13,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 02:56:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:13,642 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 02:56:13,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:56:13,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626765811] [2023-11-29 02:56:13,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626765811] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:56:13,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:56:13,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:56:13,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836523892] [2023-11-29 02:56:13,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:56:13,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:56:13,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:56:13,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:56:13,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:56:13,697 INFO L87 Difference]: Start difference. First operand has 75 states, 51 states have (on average 1.5294117647058822) internal successors, (78), 60 states have internal predecessors, (78), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) 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 02:56:13,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:56:13,757 INFO L93 Difference]: Finished difference Result 148 states and 213 transitions. [2023-11-29 02:56:13,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:56:13,759 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 02:56:13,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:56:13,768 INFO L225 Difference]: With dead ends: 148 [2023-11-29 02:56:13,768 INFO L226 Difference]: Without dead ends: 70 [2023-11-29 02:56:13,772 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 02:56:13,776 INFO L413 NwaCegarLoop]: 86 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, 86 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 02:56:13,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:56:13,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-29 02:56:13,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-11-29 02:56:13,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 56 states have internal predecessors, (68), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 02:56:13,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 95 transitions. [2023-11-29 02:56:13,815 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 95 transitions. Word has length 22 [2023-11-29 02:56:13,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:56:13,816 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 95 transitions. [2023-11-29 02:56:13,816 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 02:56:13,816 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 95 transitions. [2023-11-29 02:56:13,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-29 02:56:13,819 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:56:13,819 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 02:56:13,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:56:13,820 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:56:13,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:56:13,821 INFO L85 PathProgramCache]: Analyzing trace with hash 471814718, now seen corresponding path program 1 times [2023-11-29 02:56:13,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:56:13,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875109454] [2023-11-29 02:56:13,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:56:13,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:56:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:13,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:56:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:13,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 02:56:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:13,929 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 02:56:13,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:56:13,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875109454] [2023-11-29 02:56:13,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875109454] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:56:13,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:56:13,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:56:13,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163935250] [2023-11-29 02:56:13,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:56:13,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:56:13,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:56:13,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:56:13,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:56:13,934 INFO L87 Difference]: Start difference. First operand 70 states and 95 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 02:56:13,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:56:13,976 INFO L93 Difference]: Finished difference Result 110 states and 148 transitions. [2023-11-29 02:56:13,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:56:13,977 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 02:56:13,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:56:13,979 INFO L225 Difference]: With dead ends: 110 [2023-11-29 02:56:13,979 INFO L226 Difference]: Without dead ends: 62 [2023-11-29 02:56:13,980 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 02:56:13,981 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 14 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:56:13,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 127 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:56:13,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-29 02:56:13,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-11-29 02:56:13,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 43 states have (on average 1.441860465116279) internal successors, (62), 51 states have internal predecessors, (62), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-29 02:56:13,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 84 transitions. [2023-11-29 02:56:13,994 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 84 transitions. Word has length 23 [2023-11-29 02:56:13,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:56:13,995 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 84 transitions. [2023-11-29 02:56:13,995 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 02:56:13,995 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2023-11-29 02:56:13,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-29 02:56:13,997 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:56:13,997 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 02:56:13,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:56:13,998 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:56:13,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:56:13,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1985947031, now seen corresponding path program 1 times [2023-11-29 02:56:13,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:56:13,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241647389] [2023-11-29 02:56:13,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:56:13,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:56:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:14,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:56:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:14,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:56:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:14,098 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 02:56:14,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:56:14,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241647389] [2023-11-29 02:56:14,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241647389] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:56:14,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:56:14,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:56:14,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152126579] [2023-11-29 02:56:14,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:56:14,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:56:14,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:56:14,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:56:14,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:56:14,102 INFO L87 Difference]: Start difference. First operand 62 states and 84 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 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 02:56:14,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:56:14,163 INFO L93 Difference]: Finished difference Result 182 states and 249 transitions. [2023-11-29 02:56:14,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:56:14,164 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 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 02:56:14,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:56:14,166 INFO L225 Difference]: With dead ends: 182 [2023-11-29 02:56:14,167 INFO L226 Difference]: Without dead ends: 122 [2023-11-29 02:56:14,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 02:56:14,169 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 68 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:56:14,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 154 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:56:14,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2023-11-29 02:56:14,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 119. [2023-11-29 02:56:14,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 82 states have (on average 1.451219512195122) internal successors, (119), 97 states have internal predecessors, (119), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 15 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-29 02:56:14,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 163 transitions. [2023-11-29 02:56:14,193 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 163 transitions. Word has length 26 [2023-11-29 02:56:14,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:56:14,194 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 163 transitions. [2023-11-29 02:56:14,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 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 02:56:14,194 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 163 transitions. [2023-11-29 02:56:14,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-29 02:56:14,196 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:56:14,197 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] [2023-11-29 02:56:14,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 02:56:14,197 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:56:14,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:56:14,198 INFO L85 PathProgramCache]: Analyzing trace with hash -2104489746, now seen corresponding path program 1 times [2023-11-29 02:56:14,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:56:14,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651664401] [2023-11-29 02:56:14,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:56:14,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:56:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:14,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 02:56:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:14,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-29 02:56:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:14,319 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 02:56:14,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:56:14,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651664401] [2023-11-29 02:56:14,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651664401] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:56:14,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:56:14,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 02:56:14,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964793463] [2023-11-29 02:56:14,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:56:14,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:56:14,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:56:14,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:56:14,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:56:14,323 INFO L87 Difference]: Start difference. First operand 119 states and 163 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 02:56:14,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:56:14,491 INFO L93 Difference]: Finished difference Result 320 states and 445 transitions. [2023-11-29 02:56:14,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 02:56:14,492 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 29 [2023-11-29 02:56:14,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:56:14,495 INFO L225 Difference]: With dead ends: 320 [2023-11-29 02:56:14,495 INFO L226 Difference]: Without dead ends: 203 [2023-11-29 02:56:14,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:56:14,498 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 58 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:56:14,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 317 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:56:14,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2023-11-29 02:56:14,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 198. [2023-11-29 02:56:14,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 139 states have (on average 1.3741007194244603) internal successors, (191), 154 states have internal predecessors, (191), 32 states have call successors, (32), 26 states have call predecessors, (32), 26 states have return successors, (40), 29 states have call predecessors, (40), 32 states have call successors, (40) [2023-11-29 02:56:14,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 263 transitions. [2023-11-29 02:56:14,527 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 263 transitions. Word has length 29 [2023-11-29 02:56:14,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:56:14,528 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 263 transitions. [2023-11-29 02:56:14,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 02:56:14,528 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 263 transitions. [2023-11-29 02:56:14,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 02:56:14,530 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:56:14,530 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 02:56:14,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 02:56:14,530 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:56:14,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:56:14,531 INFO L85 PathProgramCache]: Analyzing trace with hash -531412959, now seen corresponding path program 1 times [2023-11-29 02:56:14,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:56:14,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837772560] [2023-11-29 02:56:14,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:56:14,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:56:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:14,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:56:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:14,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 02:56:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:14,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:56:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:14,662 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 02:56:14,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:56:14,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837772560] [2023-11-29 02:56:14,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837772560] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:56:14,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:56:14,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:56:14,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255990991] [2023-11-29 02:56:14,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:56:14,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:56:14,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:56:14,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:56:14,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:56:14,664 INFO L87 Difference]: Start difference. First operand 198 states and 263 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 02:56:14,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:56:14,830 INFO L93 Difference]: Finished difference Result 438 states and 589 transitions. [2023-11-29 02:56:14,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:56:14,831 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 02:56:14,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:56:14,835 INFO L225 Difference]: With dead ends: 438 [2023-11-29 02:56:14,835 INFO L226 Difference]: Without dead ends: 242 [2023-11-29 02:56:14,836 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 02:56:14,838 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 48 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:56:14,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 202 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:56:14,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2023-11-29 02:56:14,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 240. [2023-11-29 02:56:14,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 171 states have (on average 1.3508771929824561) internal successors, (231), 186 states have internal predecessors, (231), 36 states have call successors, (36), 26 states have call predecessors, (36), 32 states have return successors, (50), 37 states have call predecessors, (50), 36 states have call successors, (50) [2023-11-29 02:56:14,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 317 transitions. [2023-11-29 02:56:14,872 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 317 transitions. Word has length 38 [2023-11-29 02:56:14,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:56:14,872 INFO L495 AbstractCegarLoop]: Abstraction has 240 states and 317 transitions. [2023-11-29 02:56:14,873 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 02:56:14,873 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 317 transitions. [2023-11-29 02:56:14,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 02:56:14,874 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:56:14,875 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 02:56:14,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 02:56:14,875 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:56:14,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:56:14,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1811276637, now seen corresponding path program 1 times [2023-11-29 02:56:14,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:56:14,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672953230] [2023-11-29 02:56:14,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:56:14,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:56:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:14,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:56:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:14,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 02:56:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:14,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:56:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:14,965 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 02:56:14,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:56:14,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672953230] [2023-11-29 02:56:14,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672953230] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:56:14,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:56:14,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 02:56:14,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272895545] [2023-11-29 02:56:14,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:56:14,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:56:14,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:56:14,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:56:14,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:56:14,968 INFO L87 Difference]: Start difference. First operand 240 states and 317 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 02:56:15,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:56:15,290 INFO L93 Difference]: Finished difference Result 500 states and 673 transitions. [2023-11-29 02:56:15,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 02:56:15,291 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 38 [2023-11-29 02:56:15,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:56:15,294 INFO L225 Difference]: With dead ends: 500 [2023-11-29 02:56:15,294 INFO L226 Difference]: Without dead ends: 262 [2023-11-29 02:56:15,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:56:15,296 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 163 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:56:15,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 282 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 02:56:15,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2023-11-29 02:56:15,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 244. [2023-11-29 02:56:15,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 175 states have (on average 1.3428571428571427) internal successors, (235), 190 states have internal predecessors, (235), 36 states have call successors, (36), 26 states have call predecessors, (36), 32 states have return successors, (50), 37 states have call predecessors, (50), 36 states have call successors, (50) [2023-11-29 02:56:15,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 321 transitions. [2023-11-29 02:56:15,326 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 321 transitions. Word has length 38 [2023-11-29 02:56:15,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:56:15,326 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 321 transitions. [2023-11-29 02:56:15,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 02:56:15,326 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 321 transitions. [2023-11-29 02:56:15,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 02:56:15,328 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:56:15,328 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 02:56:15,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 02:56:15,328 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:56:15,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:56:15,329 INFO L85 PathProgramCache]: Analyzing trace with hash 895342757, now seen corresponding path program 1 times [2023-11-29 02:56:15,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:56:15,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433002307] [2023-11-29 02:56:15,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:56:15,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:56:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:15,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:56:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:15,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 02:56:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:15,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:56:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:15,412 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 02:56:15,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:56:15,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433002307] [2023-11-29 02:56:15,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433002307] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:56:15,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:56:15,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:56:15,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284604500] [2023-11-29 02:56:15,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:56:15,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:56:15,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:56:15,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:56:15,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:56:15,415 INFO L87 Difference]: Start difference. First operand 244 states and 321 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 02:56:15,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:56:15,734 INFO L93 Difference]: Finished difference Result 811 states and 1139 transitions. [2023-11-29 02:56:15,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 02:56:15,735 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 02:56:15,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:56:15,740 INFO L225 Difference]: With dead ends: 811 [2023-11-29 02:56:15,740 INFO L226 Difference]: Without dead ends: 569 [2023-11-29 02:56:15,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 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 02:56:15,743 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 184 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:56:15,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 285 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 02:56:15,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2023-11-29 02:56:15,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 561. [2023-11-29 02:56:15,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 400 states have (on average 1.3225) internal successors, (529), 429 states have internal predecessors, (529), 90 states have call successors, (90), 71 states have call predecessors, (90), 70 states have return successors, (140), 84 states have call predecessors, (140), 90 states have call successors, (140) [2023-11-29 02:56:15,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 759 transitions. [2023-11-29 02:56:15,801 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 759 transitions. Word has length 38 [2023-11-29 02:56:15,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:56:15,802 INFO L495 AbstractCegarLoop]: Abstraction has 561 states and 759 transitions. [2023-11-29 02:56:15,802 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 02:56:15,802 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 759 transitions. [2023-11-29 02:56:15,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-29 02:56:15,804 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:56:15,804 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 02:56:15,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 02:56:15,804 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:56:15,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:56:15,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1632286155, now seen corresponding path program 1 times [2023-11-29 02:56:15,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:56:15,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290464263] [2023-11-29 02:56:15,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:56:15,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:56:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:15,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:56:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:16,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 02:56:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:16,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-29 02:56:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:16,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 02:56:16,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:16,041 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 02:56:16,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:56:16,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290464263] [2023-11-29 02:56:16,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290464263] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:56:16,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:56:16,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 02:56:16,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60600563] [2023-11-29 02:56:16,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:56:16,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:56:16,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:56:16,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:56:16,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:56:16,043 INFO L87 Difference]: Start difference. First operand 561 states and 759 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 02:56:16,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:56:16,686 INFO L93 Difference]: Finished difference Result 1808 states and 2494 transitions. [2023-11-29 02:56:16,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 02:56:16,687 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 02:56:16,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:56:16,696 INFO L225 Difference]: With dead ends: 1808 [2023-11-29 02:56:16,697 INFO L226 Difference]: Without dead ends: 1249 [2023-11-29 02:56:16,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2023-11-29 02:56:16,701 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 351 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:56:16,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 341 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 02:56:16,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2023-11-29 02:56:16,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1054. [2023-11-29 02:56:16,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 750 states have (on average 1.304) internal successors, (978), 811 states have internal predecessors, (978), 169 states have call successors, (169), 121 states have call predecessors, (169), 134 states have return successors, (264), 160 states have call predecessors, (264), 169 states have call successors, (264) [2023-11-29 02:56:16,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1411 transitions. [2023-11-29 02:56:16,808 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1411 transitions. Word has length 42 [2023-11-29 02:56:16,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:56:16,808 INFO L495 AbstractCegarLoop]: Abstraction has 1054 states and 1411 transitions. [2023-11-29 02:56:16,809 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 02:56:16,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1411 transitions. [2023-11-29 02:56:16,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-29 02:56:16,810 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:56:16,811 INFO L195 NwaCegarLoop]: trace histogram [3, 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 02:56:16,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 02:56:16,811 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:56:16,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:56:16,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1091612530, now seen corresponding path program 1 times [2023-11-29 02:56:16,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:56:16,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909591884] [2023-11-29 02:56:16,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:56:16,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:56:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:16,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:56:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:16,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 02:56:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:16,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:56:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:16,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:56:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:16,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-29 02:56:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:16,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 02:56:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:16,895 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 02:56:16,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:56:16,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909591884] [2023-11-29 02:56:16,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909591884] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:56:16,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:56:16,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 02:56:16,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744495543] [2023-11-29 02:56:16,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:56:16,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:56:16,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:56:16,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:56:16,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:56:16,897 INFO L87 Difference]: Start difference. First operand 1054 states and 1411 transitions. Second operand has 7 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-29 02:56:17,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:56:17,245 INFO L93 Difference]: Finished difference Result 1240 states and 1645 transitions. [2023-11-29 02:56:17,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 02:56:17,245 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) Word has length 66 [2023-11-29 02:56:17,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:56:17,250 INFO L225 Difference]: With dead ends: 1240 [2023-11-29 02:56:17,250 INFO L226 Difference]: Without dead ends: 529 [2023-11-29 02:56:17,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-11-29 02:56:17,253 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 236 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:56:17,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 228 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 02:56:17,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2023-11-29 02:56:17,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 523. [2023-11-29 02:56:17,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 373 states have (on average 1.260053619302949) internal successors, (470), 400 states have internal predecessors, (470), 82 states have call successors, (82), 61 states have call predecessors, (82), 67 states have return successors, (129), 79 states have call predecessors, (129), 82 states have call successors, (129) [2023-11-29 02:56:17,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 681 transitions. [2023-11-29 02:56:17,345 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 681 transitions. Word has length 66 [2023-11-29 02:56:17,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:56:17,345 INFO L495 AbstractCegarLoop]: Abstraction has 523 states and 681 transitions. [2023-11-29 02:56:17,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-29 02:56:17,346 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 681 transitions. [2023-11-29 02:56:17,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-29 02:56:17,347 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:56:17,347 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] [2023-11-29 02:56:17,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 02:56:17,348 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:56:17,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:56:17,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1366570793, now seen corresponding path program 1 times [2023-11-29 02:56:17,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:56:17,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287025857] [2023-11-29 02:56:17,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:56:17,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:56:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:17,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:56:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:17,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 02:56:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:17,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:56:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:17,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:56:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:17,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 02:56:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:17,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 02:56:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:17,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:56:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:17,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-29 02:56:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:17,541 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 02:56:17,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:56:17,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287025857] [2023-11-29 02:56:17,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287025857] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:56:17,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411603668] [2023-11-29 02:56:17,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:56:17,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:56:17,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:56:17,545 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:56:17,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 02:56:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:17,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 02:56:17,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:56:17,776 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 02:56:17,776 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:56:17,961 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 02:56:17,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1411603668] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:56:17,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:56:17,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2023-11-29 02:56:17,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001284429] [2023-11-29 02:56:17,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:56:17,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 02:56:17,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:56:17,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 02:56:17,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2023-11-29 02:56:17,964 INFO L87 Difference]: Start difference. First operand 523 states and 681 transitions. Second operand has 15 states, 12 states have (on average 7.916666666666667) internal successors, (95), 10 states have internal predecessors, (95), 6 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (17), 8 states have call predecessors, (17), 6 states have call successors, (17) [2023-11-29 02:56:19,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:56:19,036 INFO L93 Difference]: Finished difference Result 1160 states and 1529 transitions. [2023-11-29 02:56:19,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-29 02:56:19,036 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 7.916666666666667) internal successors, (95), 10 states have internal predecessors, (95), 6 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (17), 8 states have call predecessors, (17), 6 states have call successors, (17) Word has length 74 [2023-11-29 02:56:19,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:56:19,041 INFO L225 Difference]: With dead ends: 1160 [2023-11-29 02:56:19,041 INFO L226 Difference]: Without dead ends: 639 [2023-11-29 02:56:19,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 168 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=441, Invalid=1451, Unknown=0, NotChecked=0, Total=1892 [2023-11-29 02:56:19,044 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 347 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 956 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 1115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 02:56:19,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 764 Invalid, 1115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 956 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 02:56:19,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2023-11-29 02:56:19,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 561. [2023-11-29 02:56:19,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 395 states have (on average 1.2253164556962026) internal successors, (484), 429 states have internal predecessors, (484), 89 states have call successors, (89), 75 states have call predecessors, (89), 76 states have return successors, (116), 79 states have call predecessors, (116), 89 states have call successors, (116) [2023-11-29 02:56:19,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 689 transitions. [2023-11-29 02:56:19,082 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 689 transitions. Word has length 74 [2023-11-29 02:56:19,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:56:19,083 INFO L495 AbstractCegarLoop]: Abstraction has 561 states and 689 transitions. [2023-11-29 02:56:19,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 7.916666666666667) internal successors, (95), 10 states have internal predecessors, (95), 6 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (17), 8 states have call predecessors, (17), 6 states have call successors, (17) [2023-11-29 02:56:19,083 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 689 transitions. [2023-11-29 02:56:19,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 02:56:19,085 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:56:19,085 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, 1, 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 02:56:19,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 02:56:19,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 02:56:19,287 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:56:19,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:56:19,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1183871316, now seen corresponding path program 1 times [2023-11-29 02:56:19,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:56:19,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624835179] [2023-11-29 02:56:19,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:56:19,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:56:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:19,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:56:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:19,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 02:56:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:19,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:56:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:19,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:56:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:19,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 02:56:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:19,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:56:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:19,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:56:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:19,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:56:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:19,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-29 02:56:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:19,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:56:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:19,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:56:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:19,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 02:56:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:19,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-29 02:56:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:19,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 02:56:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:19,658 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 70 proven. 19 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-29 02:56:19,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:56:19,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624835179] [2023-11-29 02:56:19,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624835179] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:56:19,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806724893] [2023-11-29 02:56:19,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:56:19,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:56:19,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:56:19,660 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:56:19,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 02:56:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:19,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 02:56:19,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:56:19,935 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 108 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-29 02:56:19,935 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:56:20,275 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 66 proven. 29 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-29 02:56:20,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806724893] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:56:20,275 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:56:20,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 20 [2023-11-29 02:56:20,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762598345] [2023-11-29 02:56:20,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:56:20,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 02:56:20,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:56:20,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 02:56:20,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2023-11-29 02:56:20,278 INFO L87 Difference]: Start difference. First operand 561 states and 689 transitions. Second operand has 20 states, 20 states have (on average 6.75) internal successors, (135), 17 states have internal predecessors, (135), 9 states have call successors, (30), 8 states have call predecessors, (30), 9 states have return successors, (28), 8 states have call predecessors, (28), 9 states have call successors, (28) [2023-11-29 02:56:20,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:56:20,907 INFO L93 Difference]: Finished difference Result 1146 states and 1444 transitions. [2023-11-29 02:56:20,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-29 02:56:20,907 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.75) internal successors, (135), 17 states have internal predecessors, (135), 9 states have call successors, (30), 8 states have call predecessors, (30), 9 states have return successors, (28), 8 states have call predecessors, (28), 9 states have call successors, (28) Word has length 132 [2023-11-29 02:56:20,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:56:20,911 INFO L225 Difference]: With dead ends: 1146 [2023-11-29 02:56:20,912 INFO L226 Difference]: Without dead ends: 587 [2023-11-29 02:56:20,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 285 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=327, Invalid=863, Unknown=0, NotChecked=0, Total=1190 [2023-11-29 02:56:20,925 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 435 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:56:20,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 270 Invalid, 708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 02:56:20,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2023-11-29 02:56:20,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 549. [2023-11-29 02:56:20,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 389 states have (on average 1.1979434447300772) internal successors, (466), 420 states have internal predecessors, (466), 86 states have call successors, (86), 72 states have call predecessors, (86), 73 states have return successors, (109), 77 states have call predecessors, (109), 86 states have call successors, (109) [2023-11-29 02:56:20,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 661 transitions. [2023-11-29 02:56:20,979 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 661 transitions. Word has length 132 [2023-11-29 02:56:20,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:56:20,980 INFO L495 AbstractCegarLoop]: Abstraction has 549 states and 661 transitions. [2023-11-29 02:56:20,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.75) internal successors, (135), 17 states have internal predecessors, (135), 9 states have call successors, (30), 8 states have call predecessors, (30), 9 states have return successors, (28), 8 states have call predecessors, (28), 9 states have call successors, (28) [2023-11-29 02:56:20,980 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 661 transitions. [2023-11-29 02:56:20,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-29 02:56:20,983 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:56:20,983 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:56:20,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 02:56:21,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-29 02:56:21,184 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:56:21,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:56:21,185 INFO L85 PathProgramCache]: Analyzing trace with hash 519410976, now seen corresponding path program 1 times [2023-11-29 02:56:21,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:56:21,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694194280] [2023-11-29 02:56:21,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:56:21,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:56:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:21,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:56:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:21,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 02:56:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:21,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:56:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:21,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:56:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:21,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 02:56:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:21,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:56:21,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:21,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:56:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:21,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:56:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:21,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-29 02:56:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:21,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 02:56:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:21,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:56:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:21,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:56:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:21,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 02:56:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:21,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-29 02:56:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:21,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 02:56:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:21,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-29 02:56:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:21,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-29 02:56:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:21,447 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 73 proven. 39 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-29 02:56:21,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:56:21,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694194280] [2023-11-29 02:56:21,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694194280] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:56:21,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626112704] [2023-11-29 02:56:21,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:56:21,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:56:21,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:56:21,449 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:56:21,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 02:56:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:21,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 02:56:21,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:56:21,694 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 141 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-29 02:56:21,694 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:56:22,052 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 85 proven. 39 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-29 02:56:22,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1626112704] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:56:22,052 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:56:22,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 21 [2023-11-29 02:56:22,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368428369] [2023-11-29 02:56:22,053 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:56:22,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 02:56:22,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:56:22,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 02:56:22,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2023-11-29 02:56:22,055 INFO L87 Difference]: Start difference. First operand 549 states and 661 transitions. Second operand has 21 states, 18 states have (on average 8.88888888888889) internal successors, (160), 15 states have internal predecessors, (160), 7 states have call successors, (38), 7 states have call predecessors, (38), 11 states have return successors, (33), 10 states have call predecessors, (33), 7 states have call successors, (33) [2023-11-29 02:56:22,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:56:22,986 INFO L93 Difference]: Finished difference Result 1119 states and 1367 transitions. [2023-11-29 02:56:22,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-29 02:56:22,987 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 8.88888888888889) internal successors, (160), 15 states have internal predecessors, (160), 7 states have call successors, (38), 7 states have call predecessors, (38), 11 states have return successors, (33), 10 states have call predecessors, (33), 7 states have call successors, (33) Word has length 146 [2023-11-29 02:56:22,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:56:22,992 INFO L225 Difference]: With dead ends: 1119 [2023-11-29 02:56:22,993 INFO L226 Difference]: Without dead ends: 572 [2023-11-29 02:56:22,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 327 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=405, Invalid=1575, Unknown=0, NotChecked=0, Total=1980 [2023-11-29 02:56:22,996 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 354 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 927 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 02:56:22,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 483 Invalid, 1058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 927 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 02:56:22,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2023-11-29 02:56:23,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 555. [2023-11-29 02:56:23,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 392 states have (on average 1.183673469387755) internal successors, (464), 423 states have internal predecessors, (464), 86 states have call successors, (86), 75 states have call predecessors, (86), 76 states have return successors, (109), 77 states have call predecessors, (109), 86 states have call successors, (109) [2023-11-29 02:56:23,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 659 transitions. [2023-11-29 02:56:23,039 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 659 transitions. Word has length 146 [2023-11-29 02:56:23,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:56:23,040 INFO L495 AbstractCegarLoop]: Abstraction has 555 states and 659 transitions. [2023-11-29 02:56:23,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 8.88888888888889) internal successors, (160), 15 states have internal predecessors, (160), 7 states have call successors, (38), 7 states have call predecessors, (38), 11 states have return successors, (33), 10 states have call predecessors, (33), 7 states have call successors, (33) [2023-11-29 02:56:23,040 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 659 transitions. [2023-11-29 02:56:23,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-29 02:56:23,043 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:56:23,043 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:56:23,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-29 02:56:23,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 02:56:23,244 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:56:23,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:56:23,245 INFO L85 PathProgramCache]: Analyzing trace with hash -450002293, now seen corresponding path program 1 times [2023-11-29 02:56:23,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:56:23,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287811044] [2023-11-29 02:56:23,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:56:23,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:56:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:23,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:56:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:23,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 02:56:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:23,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:56:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:23,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:56:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:23,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 02:56:23,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:23,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:56:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:23,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:56:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:23,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:56:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:23,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-29 02:56:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:23,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 02:56:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:23,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:56:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:23,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:56:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:23,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 02:56:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:23,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 02:56:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:23,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 02:56:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:23,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 02:56:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:23,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-29 02:56:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:23,777 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 83 proven. 21 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-29 02:56:23,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:56:23,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287811044] [2023-11-29 02:56:23,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287811044] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:56:23,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003063018] [2023-11-29 02:56:23,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:56:23,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:56:23,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:56:23,779 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:56:23,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 02:56:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:23,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 02:56:23,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:56:24,055 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 98 proven. 22 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-11-29 02:56:24,055 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:56:24,534 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 81 proven. 36 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-11-29 02:56:24,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003063018] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:56:24,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:56:24,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 13] total 20 [2023-11-29 02:56:24,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019056501] [2023-11-29 02:56:24,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:56:24,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 02:56:24,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:56:24,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 02:56:24,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2023-11-29 02:56:24,538 INFO L87 Difference]: Start difference. First operand 555 states and 659 transitions. Second operand has 20 states, 20 states have (on average 7.45) internal successors, (149), 17 states have internal predecessors, (149), 12 states have call successors, (38), 10 states have call predecessors, (38), 13 states have return successors, (34), 12 states have call predecessors, (34), 12 states have call successors, (34) [2023-11-29 02:56:25,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:56:25,324 INFO L93 Difference]: Finished difference Result 1093 states and 1320 transitions. [2023-11-29 02:56:25,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 02:56:25,324 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 7.45) internal successors, (149), 17 states have internal predecessors, (149), 12 states have call successors, (38), 10 states have call predecessors, (38), 13 states have return successors, (34), 12 states have call predecessors, (34), 12 states have call successors, (34) Word has length 147 [2023-11-29 02:56:25,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:56:25,330 INFO L225 Difference]: With dead ends: 1093 [2023-11-29 02:56:25,330 INFO L226 Difference]: Without dead ends: 734 [2023-11-29 02:56:25,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 329 SyntacticMatches, 7 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=412, Invalid=994, Unknown=0, NotChecked=0, Total=1406 [2023-11-29 02:56:25,333 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 384 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 1016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 02:56:25,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 577 Invalid, 1016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 871 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 02:56:25,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2023-11-29 02:56:25,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 670. [2023-11-29 02:56:25,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 472 states have (on average 1.1843220338983051) internal successors, (559), 507 states have internal predecessors, (559), 104 states have call successors, (104), 95 states have call predecessors, (104), 93 states have return successors, (129), 93 states have call predecessors, (129), 104 states have call successors, (129) [2023-11-29 02:56:25,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 792 transitions. [2023-11-29 02:56:25,399 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 792 transitions. Word has length 147 [2023-11-29 02:56:25,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:56:25,399 INFO L495 AbstractCegarLoop]: Abstraction has 670 states and 792 transitions. [2023-11-29 02:56:25,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.45) internal successors, (149), 17 states have internal predecessors, (149), 12 states have call successors, (38), 10 states have call predecessors, (38), 13 states have return successors, (34), 12 states have call predecessors, (34), 12 states have call successors, (34) [2023-11-29 02:56:25,400 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 792 transitions. [2023-11-29 02:56:25,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-29 02:56:25,404 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:56:25,404 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-29 02:56:25,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-29 02:56:25,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 02:56:25,605 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:56:25,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:56:25,605 INFO L85 PathProgramCache]: Analyzing trace with hash 2048089692, now seen corresponding path program 1 times [2023-11-29 02:56:25,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:56:25,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658797133] [2023-11-29 02:56:25,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:56:25,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:56:25,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:25,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:56:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:25,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 02:56:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:25,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:56:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:25,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:56:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:25,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 02:56:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:25,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:56:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:25,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:56:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:25,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:56:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:25,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-29 02:56:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:25,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 02:56:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:25,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:56:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:25,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:56:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:25,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 02:56:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:25,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 02:56:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:25,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-29 02:56:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:25,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:56:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:25,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:56:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:25,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 02:56:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:25,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 02:56:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:25,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-29 02:56:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:25,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-29 02:56:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:25,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-29 02:56:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:25,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-29 02:56:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:25,900 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 112 proven. 8 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-11-29 02:56:25,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:56:25,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658797133] [2023-11-29 02:56:25,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658797133] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:56:25,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327512836] [2023-11-29 02:56:25,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:56:25,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:56:25,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:56:25,903 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:56:25,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 02:56:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:26,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-29 02:56:26,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:56:26,297 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 112 proven. 75 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 02:56:26,298 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:56:26,937 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 80 proven. 112 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2023-11-29 02:56:26,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327512836] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:56:26,937 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:56:26,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 15] total 24 [2023-11-29 02:56:26,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743429674] [2023-11-29 02:56:26,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:56:26,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-29 02:56:26,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:56:26,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-29 02:56:26,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-11-29 02:56:26,941 INFO L87 Difference]: Start difference. First operand 670 states and 792 transitions. Second operand has 24 states, 24 states have (on average 8.208333333333334) internal successors, (197), 20 states have internal predecessors, (197), 13 states have call successors, (45), 10 states have call predecessors, (45), 15 states have return successors, (48), 14 states have call predecessors, (48), 13 states have call successors, (48) [2023-11-29 02:56:28,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:56:28,770 INFO L93 Difference]: Finished difference Result 1936 states and 2342 transitions. [2023-11-29 02:56:28,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-29 02:56:28,771 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 8.208333333333334) internal successors, (197), 20 states have internal predecessors, (197), 13 states have call successors, (45), 10 states have call predecessors, (45), 15 states have return successors, (48), 14 states have call predecessors, (48), 13 states have call successors, (48) Word has length 190 [2023-11-29 02:56:28,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:56:28,772 INFO L225 Difference]: With dead ends: 1936 [2023-11-29 02:56:28,772 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 02:56:28,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 412 SyntacticMatches, 9 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1273 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=973, Invalid=3719, Unknown=0, NotChecked=0, Total=4692 [2023-11-29 02:56:28,780 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 1176 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 2089 mSolverCounterSat, 624 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1176 SdHoareTripleChecker+Valid, 1270 SdHoareTripleChecker+Invalid, 2713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 624 IncrementalHoareTripleChecker+Valid, 2089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:56:28,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1176 Valid, 1270 Invalid, 2713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [624 Valid, 2089 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 02:56:28,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 02:56:28,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 02:56:28,781 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 02:56:28,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 02:56:28,781 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 190 [2023-11-29 02:56:28,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:56:28,782 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 02:56:28,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 8.208333333333334) internal successors, (197), 20 states have internal predecessors, (197), 13 states have call successors, (45), 10 states have call predecessors, (45), 15 states have return successors, (48), 14 states have call predecessors, (48), 13 states have call successors, (48) [2023-11-29 02:56:28,782 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 02:56:28,782 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 02:56:28,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 02:56:28,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 02:56:28,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-29 02:56:28,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 02:56:35,491 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 206 213) no Hoare annotation was computed. [2023-11-29 02:56:35,491 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 206 213) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (< ~waterLevel~0 2) (= 0 ~systemActive~0)) (or .cse0 (not (= 1 ~systemActive~0))))) [2023-11-29 02:56:35,491 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 139 145) no Hoare annotation was computed. [2023-11-29 02:56:35,491 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 139 145) the Hoare annotation is: true [2023-11-29 02:56:35,492 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 915 926) the Hoare annotation is: (let ((.cse9 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse12 (= 1 ~systemActive~0)) (.cse11 (not .cse9))) (let ((.cse5 (and (<= 1 ~pumpRunning~0) .cse12 .cse11)) (.cse3 (< 1 ~waterLevel~0)) (.cse4 (< ~switchedOnBeforeTS~0 1)) (.cse0 (< ~pumpRunning~0 1)) (.cse7 (not .cse2)) (.cse10 (not (= 2 ~waterLevel~0))) (.cse6 (< 2 ~waterLevel~0)) (.cse8 (not (= ~pumpRunning~0 0))) (.cse1 (not .cse12))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9 .cse1) (or .cse0 .cse1 .cse10 .cse2 .cse5) (or .cse0 .cse7 .cse9 .cse1 .cse3 .cse4) (or .cse0 .cse7 .cse9 .cse1 .cse10) (or .cse6 .cse8 .cse1 .cse2 .cse11))))) [2023-11-29 02:56:35,492 INFO L899 garLoopResultBuilder]: For program point L919-1(lines 915 926) no Hoare annotation was computed. [2023-11-29 02:56:35,492 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 915 926) no Hoare annotation was computed. [2023-11-29 02:56:35,492 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 324) no Hoare annotation was computed. [2023-11-29 02:56:35,492 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 306 335) no Hoare annotation was computed. [2023-11-29 02:56:35,492 INFO L902 garLoopResultBuilder]: At program point L320-1(lines 320 324) the Hoare annotation is: true [2023-11-29 02:56:35,492 INFO L902 garLoopResultBuilder]: At program point L316-2(lines 316 330) the Hoare annotation is: true [2023-11-29 02:56:35,493 INFO L902 garLoopResultBuilder]: At program point L312(line 312) the Hoare annotation is: true [2023-11-29 02:56:35,493 INFO L899 garLoopResultBuilder]: For program point L312-1(line 312) no Hoare annotation was computed. [2023-11-29 02:56:35,493 INFO L899 garLoopResultBuilder]: For program point L331(lines 306 335) no Hoare annotation was computed. [2023-11-29 02:56:35,493 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 306 335) the Hoare annotation is: true [2023-11-29 02:56:35,493 INFO L899 garLoopResultBuilder]: For program point L327(line 327) no Hoare annotation was computed. [2023-11-29 02:56:35,493 INFO L895 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: (let ((.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (< 0 |old(~waterLevel~0)|) .cse2) (or .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or .cse3 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 (< 2 |old(~waterLevel~0)|)) (or .cse3 (not (= 0 ~systemActive~0))))) [2023-11-29 02:56:35,493 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 173 197) no Hoare annotation was computed. [2023-11-29 02:56:35,494 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 126 132) no Hoare annotation was computed. [2023-11-29 02:56:35,494 INFO L899 garLoopResultBuilder]: For program point L506(lines 506 512) no Hoare annotation was computed. [2023-11-29 02:56:35,494 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 899) no Hoare annotation was computed. [2023-11-29 02:56:35,494 INFO L899 garLoopResultBuilder]: For program point L895-2(lines 891 902) no Hoare annotation was computed. [2023-11-29 02:56:35,494 INFO L899 garLoopResultBuilder]: For program point L119(lines 119 125) no Hoare annotation was computed. [2023-11-29 02:56:35,494 INFO L895 garLoopResultBuilder]: At program point L503(line 503) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0))) (let ((.cse6 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~5#1| ~waterLevel~0)) (.cse18 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse20 (= 1 ~systemActive~0)) (.cse14 (not .cse0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (<= ~waterLevel~0 0)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse15 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~5#1| 1)) (.cse7 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (and .cse4 .cse5 .cse12 .cse15 .cse7)) (.cse9 (and (<= 1 ~pumpRunning~0) .cse18 .cse20 .cse14 .cse5 .cse12 .cse15 .cse7)) (.cse17 (not (= |old(~waterLevel~0)| 2))) (.cse13 (not (= 0 ~systemActive~0))) (.cse10 (and .cse18 .cse5 .cse6 .cse7)) (.cse1 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse19 (< 0 |old(~waterLevel~0)|)) (.cse8 (< |old(~pumpRunning~0)| 1)) (.cse11 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not .cse20))) (and (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6 .cse7) .cse8 .cse9 .cse10) (or .cse11 (and .cse4 .cse12) .cse13) (let ((.cse16 (= ~waterLevel~0 1))) (or (and .cse4 .cse14 .cse15 .cse16 .cse7) .cse2 .cse17 .cse8 (and .cse18 .cse15 .cse16 .cse7))) (or .cse0 .cse1 .cse2 .cse19 .cse3 .cse8 .cse9) (or .cse11 .cse17 .cse13) (or (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse14 .cse8 .cse10) (or .cse1 .cse2 .cse19 .cse14 .cse8 (and .cse18 .cse12 .cse15 .cse7)) (or .cse11 .cse2 (and .cse4 (<= ~waterLevel~0 1) .cse12 .cse15) (< 2 |old(~waterLevel~0)|)))))) [2023-11-29 02:56:35,494 INFO L899 garLoopResultBuilder]: For program point L503-1(line 503) no Hoare annotation was computed. [2023-11-29 02:56:35,495 INFO L899 garLoopResultBuilder]: For program point L119-2(lines 115 137) no Hoare annotation was computed. [2023-11-29 02:56:35,495 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 189) no Hoare annotation was computed. [2023-11-29 02:56:35,495 INFO L899 garLoopResultBuilder]: For program point L177(lines 177 194) no Hoare annotation was computed. [2023-11-29 02:56:35,495 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-11-29 02:56:35,495 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 112 138) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0)) (.cse4 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= 2 ~waterLevel~0)) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse6 (and .cse8 .cse4 .cse5)) (.cse7 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (< |old(~switchedOnBeforeTS~0)| 1) .cse1 .cse2 (and .cse3 .cse4 .cse5)) (or .cse0 .cse6 .cse7 .cse1) (or .cse7 .cse1 (and .cse8 .cse9 .cse4) .cse10) (or .cse1 (and .cse3 .cse9 .cse4) .cse10 .cse2) (or .cse6 .cse7 (not (= 0 ~systemActive~0)))))) [2023-11-29 02:56:35,495 INFO L895 garLoopResultBuilder]: At program point L488(line 488) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0)) (.cse4 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= 2 ~waterLevel~0)) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse6 (and .cse8 .cse4 .cse5)) (.cse7 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (< |old(~switchedOnBeforeTS~0)| 1) .cse1 .cse2 (and .cse3 .cse4 .cse5)) (or .cse0 .cse6 .cse7 .cse1) (or .cse7 .cse1 (and .cse8 .cse9 .cse4) .cse10) (or .cse1 (and .cse3 .cse9 .cse4) .cse10 .cse2) (or .cse6 .cse7 (not (= 0 ~systemActive~0)))))) [2023-11-29 02:56:35,496 INFO L899 garLoopResultBuilder]: For program point L488-1(line 488) no Hoare annotation was computed. [2023-11-29 02:56:35,496 INFO L895 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse8 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |timeShift_processEnvironment_~tmp~1#1| 0)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse7 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and .cse5 .cse6) .cse0 .cse3 .cse4) (or .cse0 .cse3 .cse4 (= ~waterLevel~0 1)) (or .cse7 .cse0 (< 2 |old(~waterLevel~0)|)) (or (not (= |old(~waterLevel~0)| 1)) .cse8 .cse0 (and .cse5 (<= ~waterLevel~0 0) .cse6) .cse4) (or (and .cse5 (= |old(~waterLevel~0)| ~waterLevel~0) .cse6) .cse8 .cse0 (< 0 |old(~waterLevel~0)|) .cse4) (or (< 1 |old(~waterLevel~0)|) .cse8 .cse0 .cse1 .cse2 .cse4) (or .cse7 (not (= 0 ~systemActive~0))))) [2023-11-29 02:56:35,496 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 515) no Hoare annotation was computed. [2023-11-29 02:56:35,496 INFO L895 garLoopResultBuilder]: At program point L183(line 183) the Hoare annotation is: (let ((.cse3 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse4 (not (= 1 ~systemActive~0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or (and .cse0 .cse1 (<= ~waterLevel~0 0) .cse2) (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse5) (or .cse3 .cse4 (< 0 |old(~waterLevel~0)|) (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse5) (or .cse6 .cse4 (< 2 |old(~waterLevel~0)|)) (or .cse4 (not (= |old(~waterLevel~0)| 2)) .cse5 (and .cse0 .cse1 (= ~waterLevel~0 1) .cse2)) (or .cse6 (not (= 0 ~systemActive~0))))) [2023-11-29 02:56:35,496 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 518) no Hoare annotation was computed. [2023-11-29 02:56:35,497 INFO L899 garLoopResultBuilder]: For program point L501-1(lines 493 521) no Hoare annotation was computed. [2023-11-29 02:56:35,497 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 112 138) no Hoare annotation was computed. [2023-11-29 02:56:35,497 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-11-29 02:56:35,497 INFO L899 garLoopResultBuilder]: For program point L436(lines 436 442) no Hoare annotation was computed. [2023-11-29 02:56:35,497 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 436 442) no Hoare annotation was computed. [2023-11-29 02:56:35,497 INFO L895 garLoopResultBuilder]: At program point L461(lines 416 463) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)) (and .cse4 .cse5 .cse2 .cse3) (and .cse4 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2023-11-29 02:56:35,497 INFO L895 garLoopResultBuilder]: At program point L428(line 428) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)) (and .cse4 .cse5 .cse2 .cse3) (and .cse4 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2023-11-29 02:56:35,497 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 399) no Hoare annotation was computed. [2023-11-29 02:56:35,498 INFO L899 garLoopResultBuilder]: For program point L392-2(lines 392 399) no Hoare annotation was computed. [2023-11-29 02:56:35,498 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 299) no Hoare annotation was computed. [2023-11-29 02:56:35,498 INFO L899 garLoopResultBuilder]: For program point L293-1(lines 293 299) no Hoare annotation was computed. [2023-11-29 02:56:35,498 INFO L899 garLoopResultBuilder]: For program point L417(lines 416 463) no Hoare annotation was computed. [2023-11-29 02:56:35,498 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 02:56:35,498 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 459) no Hoare annotation was computed. [2023-11-29 02:56:35,498 INFO L895 garLoopResultBuilder]: At program point L438(line 438) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (= 0 ~systemActive~0)) (and .cse0 .cse2 .cse1 .cse3) (and .cse4 (= 2 ~waterLevel~0) .cse2 .cse1) (and .cse4 .cse2 .cse1 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2023-11-29 02:56:35,498 INFO L899 garLoopResultBuilder]: For program point L467(lines 406 471) no Hoare annotation was computed. [2023-11-29 02:56:35,498 INFO L899 garLoopResultBuilder]: For program point L426(lines 426 432) no Hoare annotation was computed. [2023-11-29 02:56:35,499 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 02:56:35,499 INFO L899 garLoopResultBuilder]: For program point L426-1(lines 426 432) no Hoare annotation was computed. [2023-11-29 02:56:35,499 INFO L895 garLoopResultBuilder]: At program point L464(lines 415 465) the Hoare annotation is: false [2023-11-29 02:56:35,499 INFO L895 garLoopResultBuilder]: At program point L295(line 295) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= 1 ~systemActive~0) .cse0) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))))) [2023-11-29 02:56:35,499 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 458) no Hoare annotation was computed. [2023-11-29 02:56:35,499 INFO L895 garLoopResultBuilder]: At program point L452-2(lines 446 459) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (= 0 ~systemActive~0)) (and .cse0 .cse2 .cse1 .cse3) (and .cse4 (= 2 ~waterLevel~0) .cse2 .cse1) (and .cse4 .cse2 .cse1 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2023-11-29 02:56:35,499 INFO L895 garLoopResultBuilder]: At program point L161(line 161) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (not .cse3)) (.cse1 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0) .cse3)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (< 0 ~waterLevel~0)) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or .cse2 (< 1 ~waterLevel~0) (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1))))) [2023-11-29 02:56:35,499 INFO L899 garLoopResultBuilder]: For program point L155(lines 155 163) no Hoare annotation was computed. [2023-11-29 02:56:35,499 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 168) no Hoare annotation was computed. [2023-11-29 02:56:35,499 INFO L899 garLoopResultBuilder]: For program point L279(lines 279 283) no Hoare annotation was computed. [2023-11-29 02:56:35,499 INFO L899 garLoopResultBuilder]: For program point L279-2(lines 279 283) no Hoare annotation was computed. [2023-11-29 02:56:35,500 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 147 171) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse3 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-11-29 02:56:35,500 INFO L895 garLoopResultBuilder]: At program point L166(line 166) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< 1 ~waterLevel~0) (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-11-29 02:56:35,500 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 147 171) no Hoare annotation was computed. [2023-11-29 02:56:35,500 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 968 981) no Hoare annotation was computed. [2023-11-29 02:56:35,500 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 147 171) no Hoare annotation was computed. [2023-11-29 02:56:35,500 INFO L899 garLoopResultBuilder]: For program point L972(lines 972 978) no Hoare annotation was computed. [2023-11-29 02:56:35,500 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 903 914) no Hoare annotation was computed. [2023-11-29 02:56:35,500 INFO L899 garLoopResultBuilder]: For program point L907-1(lines 903 914) no Hoare annotation was computed. [2023-11-29 02:56:35,500 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 903 914) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse0 (< ~pumpRunning~0 1)) (.cse6 (< 1 |old(~waterLevel~0)|)) (.cse4 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse4 .cse5 (not (= 0 ~systemActive~0))) (or .cse6 .cse0 .cse2 (< ~switchedOnBeforeTS~0 1) .cse5) (or .cse6 .cse4 .cse2 .cse5))) [2023-11-29 02:56:35,501 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 225 233) no Hoare annotation was computed. [2023-11-29 02:56:35,501 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 225 233) the Hoare annotation is: true [2023-11-29 02:56:35,503 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:56:35,504 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:56:35,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:56:35 BoogieIcfgContainer [2023-11-29 02:56:35,514 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:56:35,515 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:56:35,515 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:56:35,515 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:56:35,515 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:56:13" (3/4) ... [2023-11-29 02:56:35,517 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 02:56:35,520 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-29 02:56:35,520 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-29 02:56:35,520 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-29 02:56:35,520 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-29 02:56:35,520 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-29 02:56:35,520 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2023-11-29 02:56:35,520 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-29 02:56:35,520 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-29 02:56:35,527 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2023-11-29 02:56:35,528 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-29 02:56:35,528 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 02:56:35,529 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 02:56:35,529 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 02:56:35,624 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 02:56:35,625 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 02:56:35,625 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:56:35,626 INFO L158 Benchmark]: Toolchain (without parser) took 23194.85ms. Allocated memory was 176.2MB in the beginning and 327.2MB in the end (delta: 151.0MB). Free memory was 133.7MB in the beginning and 127.8MB in the end (delta: 5.9MB). Peak memory consumption was 158.2MB. Max. memory is 16.1GB. [2023-11-29 02:56:35,626 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 176.2MB. Free memory is still 119.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:56:35,627 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.49ms. Allocated memory is still 176.2MB. Free memory was 133.7MB in the beginning and 114.2MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 02:56:35,627 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.02ms. Allocated memory is still 176.2MB. Free memory was 114.2MB in the beginning and 112.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:56:35,628 INFO L158 Benchmark]: Boogie Preprocessor took 45.83ms. Allocated memory is still 176.2MB. Free memory was 112.0MB in the beginning and 109.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:56:35,628 INFO L158 Benchmark]: RCFGBuilder took 466.57ms. Allocated memory is still 176.2MB. Free memory was 109.7MB in the beginning and 87.3MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-29 02:56:35,629 INFO L158 Benchmark]: TraceAbstraction took 22149.02ms. Allocated memory was 176.2MB in the beginning and 327.2MB in the end (delta: 151.0MB). Free memory was 86.6MB in the beginning and 135.2MB in the end (delta: -48.6MB). Peak memory consumption was 143.6MB. Max. memory is 16.1GB. [2023-11-29 02:56:35,629 INFO L158 Benchmark]: Witness Printer took 110.62ms. Allocated memory is still 327.2MB. Free memory was 135.2MB in the beginning and 127.8MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 02:56:35,631 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 176.2MB. Free memory is still 119.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 372.49ms. Allocated memory is still 176.2MB. Free memory was 133.7MB in the beginning and 114.2MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.02ms. Allocated memory is still 176.2MB. Free memory was 114.2MB in the beginning and 112.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.83ms. Allocated memory is still 176.2MB. Free memory was 112.0MB in the beginning and 109.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 466.57ms. Allocated memory is still 176.2MB. Free memory was 109.7MB in the beginning and 87.3MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 22149.02ms. Allocated memory was 176.2MB in the beginning and 327.2MB in the end (delta: 151.0MB). Free memory was 86.6MB in the beginning and 135.2MB in the end (delta: -48.6MB). Peak memory consumption was 143.6MB. Max. memory is 16.1GB. * Witness Printer took 110.62ms. Allocated memory is still 327.2MB. Free memory was 135.2MB in the beginning and 127.8MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [96] - GenericResultAtLocation [Line: 304]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [304] - GenericResultAtLocation [Line: 405]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [405] - GenericResultAtLocation [Line: 472]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [472] - GenericResultAtLocation [Line: 522]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [522] - GenericResultAtLocation [Line: 888]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [888] * 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: 54]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.1s, OverallIterations: 14, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3869 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3818 mSDsluCounter, 5386 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4124 mSDsCounter, 1576 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6753 IncrementalHoareTripleChecker+Invalid, 8329 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1576 mSolverCounterUnsat, 1262 mSDtfsCounter, 6753 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1908 GetRequests, 1598 SyntacticMatches, 25 SemanticMatches, 285 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2809 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1054occurred in iteration=8, InterpolantAutomatonStates: 221, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 434 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 2001 PreInvPairs, 2264 NumberOfFragments, 1500 HoareAnnotationTreeSize, 2001 FomulaSimplifications, 20260 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 24 FomulaSimplificationsInter, 32746 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 1700 NumberOfCodeBlocks, 1700 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2365 ConstructedInterpolants, 0 QuantifiedInterpolants, 5780 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2340 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 24 InterpolantComputations, 9 PerfectInterpolantSequences, 2230/2668 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: 416]: Loop Invariant Derived loop invariant: (((((((((1 <= pumpRunning) && (waterLevel <= 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (1 <= switchedOnBeforeTS)) || ((((pumpRunning == 0) && (2 == waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0))) || (((pumpRunning == 0) && (splverifierCounter == 0)) && (0 == systemActive))) || ((((1 <= pumpRunning) && (2 == waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0))) || ((((pumpRunning == 0) && (waterLevel <= 1)) && (1 == systemActive)) && (splverifierCounter == 0))) - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-29 02:56:35,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc560-22b1-45f8-a831-26f13f38933c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE