./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product55.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_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/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_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/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_46a5018c-af9d-4e2a-86e0-b3b291deb698/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 685bdac90b32b89d64927338575dc6f79737e9f84bb9272d4bfb0c942aa4ae35 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:47:23,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:47:23,745 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 04:47:23,750 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:47:23,751 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:47:23,775 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:47:23,775 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:47:23,776 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:47:23,777 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:47:23,777 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:47:23,778 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:47:23,778 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:47:23,779 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:47:23,780 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:47:23,780 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:47:23,781 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:47:23,781 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:47:23,782 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:47:23,782 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:47:23,783 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:47:23,783 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:47:23,784 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:47:23,784 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:47:23,785 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:47:23,785 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:47:23,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:47:23,786 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:47:23,786 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:47:23,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:47:23,787 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:47:23,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:47:23,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:47:23,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:47:23,788 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:47:23,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:47:23,789 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:47:23,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:47:23,789 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:47:23,789 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:47:23,790 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:47:23,790 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:47:23,790 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:47:23,790 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_46a5018c-af9d-4e2a-86e0-b3b291deb698/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 685bdac90b32b89d64927338575dc6f79737e9f84bb9272d4bfb0c942aa4ae35 [2023-11-29 04:47:24,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:47:24,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:47:24,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:47:24,033 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:47:24,033 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:47:24,035 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c [2023-11-29 04:47:26,819 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:47:27,028 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:47:27,029 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c [2023-11-29 04:47:27,044 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/data/4144f2b2d/9b90dff18c9c4336ace2cc1a0df8ac8f/FLAGb0d5135ab [2023-11-29 04:47:27,058 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/data/4144f2b2d/9b90dff18c9c4336ace2cc1a0df8ac8f [2023-11-29 04:47:27,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:47:27,062 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:47:27,064 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:47:27,064 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:47:27,069 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:47:27,070 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:47:27" (1/1) ... [2023-11-29 04:47:27,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67df2f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:27, skipping insertion in model container [2023-11-29 04:47:27,071 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:47:27" (1/1) ... [2023-11-29 04:47:27,120 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:47:27,351 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_46a5018c-af9d-4e2a-86e0-b3b291deb698/sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c[19412,19425] [2023-11-29 04:47:27,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:47:27,367 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:47:27,377 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-29 04:47:27,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2023-11-29 04:47:27,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [198] [2023-11-29 04:47:27,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [268] [2023-11-29 04:47:27,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [511] [2023-11-29 04:47:27,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [877] [2023-11-29 04:47:27,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [917] [2023-11-29 04:47:27,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1014] [2023-11-29 04:47:27,437 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_46a5018c-af9d-4e2a-86e0-b3b291deb698/sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c[19412,19425] [2023-11-29 04:47:27,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:47:27,458 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:47:27,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:27 WrapperNode [2023-11-29 04:47:27,458 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:47:27,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:47:27,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:47:27,460 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:47:27,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:27" (1/1) ... [2023-11-29 04:47:27,481 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:27" (1/1) ... [2023-11-29 04:47:27,506 INFO L138 Inliner]: procedures = 58, calls = 105, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 229 [2023-11-29 04:47:27,506 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:47:27,507 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:47:27,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:47:27,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:47:27,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:27" (1/1) ... [2023-11-29 04:47:27,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:27" (1/1) ... [2023-11-29 04:47:27,522 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:27" (1/1) ... [2023-11-29 04:47:27,537 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 04:47:27,537 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:27" (1/1) ... [2023-11-29 04:47:27,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:27" (1/1) ... [2023-11-29 04:47:27,544 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:27" (1/1) ... [2023-11-29 04:47:27,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:27" (1/1) ... [2023-11-29 04:47:27,550 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:27" (1/1) ... [2023-11-29 04:47:27,552 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:27" (1/1) ... [2023-11-29 04:47:27,554 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:47:27,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:47:27,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:47:27,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:47:27,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:27" (1/1) ... [2023-11-29 04:47:27,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:47:27,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:47:27,585 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:47:27,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:47:27,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:47:27,625 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-29 04:47:27,625 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-29 04:47:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-29 04:47:27,626 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-29 04:47:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-29 04:47:27,626 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-29 04:47:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-29 04:47:27,626 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-29 04:47:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-29 04:47:27,626 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-29 04:47:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-29 04:47:27,627 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-29 04:47:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-29 04:47:27,627 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-29 04:47:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-29 04:47:27,627 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-29 04:47:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:47:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-29 04:47:27,628 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-29 04:47:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:47:27,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:47:27,699 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:47:27,701 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:47:27,940 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:47:28,000 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:47:28,000 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 04:47:28,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:47:28 BoogieIcfgContainer [2023-11-29 04:47:28,001 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:47:28,003 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:47:28,003 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:47:28,006 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:47:28,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:47:27" (1/3) ... [2023-11-29 04:47:28,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@726e4f01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:47:28, skipping insertion in model container [2023-11-29 04:47:28,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:27" (2/3) ... [2023-11-29 04:47:28,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@726e4f01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:47:28, skipping insertion in model container [2023-11-29 04:47:28,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:47:28" (3/3) ... [2023-11-29 04:47:28,009 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product55.cil.c [2023-11-29 04:47:28,022 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:47:28,022 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:47:28,063 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:47:28,068 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;@79845f95, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:47:28,068 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:47:28,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 56 states have (on average 1.5357142857142858) internal successors, (86), 67 states have internal predecessors, (86), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-29 04:47:28,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-29 04:47:28,081 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:47:28,081 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:47:28,082 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:47:28,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:47:28,087 INFO L85 PathProgramCache]: Analyzing trace with hash 959021943, now seen corresponding path program 1 times [2023-11-29 04:47:28,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:47:28,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015211441] [2023-11-29 04:47:28,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:47:28,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:47:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:28,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 04:47:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:28,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:47:28,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:47:28,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015211441] [2023-11-29 04:47:28,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015211441] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:47:28,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:47:28,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:47:28,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599981716] [2023-11-29 04:47:28,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:47:28,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:47:28,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:47:28,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:47:28,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:47:28,289 INFO L87 Difference]: Start difference. First operand has 84 states, 56 states have (on average 1.5357142857142858) internal successors, (86), 67 states have internal predecessors, (86), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 04:47:28,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:47:28,347 INFO L93 Difference]: Finished difference Result 166 states and 241 transitions. [2023-11-29 04:47:28,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:47:28,350 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-11-29 04:47:28,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:47:28,358 INFO L225 Difference]: With dead ends: 166 [2023-11-29 04:47:28,358 INFO L226 Difference]: Without dead ends: 79 [2023-11-29 04:47:28,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 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 04:47:28,365 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:47:28,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:47:28,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-29 04:47:28,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-29 04:47:28,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 63 states have internal predecessors, (76), 17 states have call successors, (17), 9 states have call predecessors, (17), 8 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-29 04:47:28,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 109 transitions. [2023-11-29 04:47:28,405 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 109 transitions. Word has length 17 [2023-11-29 04:47:28,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:47:28,405 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 109 transitions. [2023-11-29 04:47:28,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 04:47:28,406 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 109 transitions. [2023-11-29 04:47:28,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-29 04:47:28,408 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:47:28,409 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:47:28,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:47:28,409 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:47:28,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:47:28,410 INFO L85 PathProgramCache]: Analyzing trace with hash 2035070615, now seen corresponding path program 1 times [2023-11-29 04:47:28,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:47:28,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514745738] [2023-11-29 04:47:28,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:47:28,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:47:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:28,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 04:47:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:28,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:47:28,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:47:28,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514745738] [2023-11-29 04:47:28,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514745738] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:47:28,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:47:28,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:47:28,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280506078] [2023-11-29 04:47:28,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:47:28,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:47:28,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:47:28,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:47:28,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:47:28,506 INFO L87 Difference]: Start difference. First operand 79 states and 109 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 04:47:28,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:47:28,547 INFO L93 Difference]: Finished difference Result 128 states and 176 transitions. [2023-11-29 04:47:28,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:47:28,548 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-11-29 04:47:28,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:47:28,550 INFO L225 Difference]: With dead ends: 128 [2023-11-29 04:47:28,550 INFO L226 Difference]: Without dead ends: 71 [2023-11-29 04:47:28,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 04:47:28,553 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 14 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:47:28,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 153 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:47:28,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-29 04:47:28,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-29 04:47:28,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 58 states have internal predecessors, (70), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 04:47:28,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 98 transitions. [2023-11-29 04:47:28,566 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 98 transitions. Word has length 18 [2023-11-29 04:47:28,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:47:28,566 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 98 transitions. [2023-11-29 04:47:28,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 04:47:28,567 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2023-11-29 04:47:28,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-29 04:47:28,568 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:47:28,569 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:47:28,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:47:28,569 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:47:28,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:47:28,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1931247264, now seen corresponding path program 1 times [2023-11-29 04:47:28,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:47:28,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439851548] [2023-11-29 04:47:28,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:47:28,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:47:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:28,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 04:47:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:28,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:47:28,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:47:28,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439851548] [2023-11-29 04:47:28,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439851548] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:47:28,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:47:28,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:47:28,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865150788] [2023-11-29 04:47:28,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:47:28,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:47:28,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:47:28,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:47:28,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:47:28,657 INFO L87 Difference]: Start difference. First operand 71 states and 98 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 04:47:28,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:47:28,720 INFO L93 Difference]: Finished difference Result 209 states and 291 transitions. [2023-11-29 04:47:28,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:47:28,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-11-29 04:47:28,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:47:28,724 INFO L225 Difference]: With dead ends: 209 [2023-11-29 04:47:28,724 INFO L226 Difference]: Without dead ends: 140 [2023-11-29 04:47:28,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 04:47:28,726 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 85 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:47:28,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 181 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:47:28,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-11-29 04:47:28,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2023-11-29 04:47:28,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 92 states have (on average 1.4673913043478262) internal successors, (135), 111 states have internal predecessors, (135), 28 states have call successors, (28), 16 states have call predecessors, (28), 16 states have return successors, (28), 17 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-29 04:47:28,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 191 transitions. [2023-11-29 04:47:28,755 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 191 transitions. Word has length 21 [2023-11-29 04:47:28,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:47:28,756 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 191 transitions. [2023-11-29 04:47:28,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 04:47:28,756 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 191 transitions. [2023-11-29 04:47:28,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-29 04:47:28,758 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:47:28,758 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:47:28,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 04:47:28,759 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:47:28,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:47:28,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1581548889, now seen corresponding path program 1 times [2023-11-29 04:47:28,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:47:28,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037234224] [2023-11-29 04:47:28,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:47:28,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:47:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:28,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 04:47:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:28,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:47:28,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:47:28,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037234224] [2023-11-29 04:47:28,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037234224] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:47:28,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:47:28,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:47:28,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849481327] [2023-11-29 04:47:28,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:47:28,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:47:28,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:47:28,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:47:28,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:47:28,863 INFO L87 Difference]: Start difference. First operand 137 states and 191 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 04:47:28,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:47:28,958 INFO L93 Difference]: Finished difference Result 358 states and 509 transitions. [2023-11-29 04:47:28,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:47:28,958 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2023-11-29 04:47:28,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:47:28,961 INFO L225 Difference]: With dead ends: 358 [2023-11-29 04:47:28,961 INFO L226 Difference]: Without dead ends: 223 [2023-11-29 04:47:28,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:47:28,964 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 63 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:47:28,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 231 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:47:28,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2023-11-29 04:47:28,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 218. [2023-11-29 04:47:28,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 151 states have (on average 1.3841059602649006) internal successors, (209), 168 states have internal predecessors, (209), 36 states have call successors, (36), 30 states have call predecessors, (36), 30 states have return successors, (48), 31 states have call predecessors, (48), 36 states have call successors, (48) [2023-11-29 04:47:28,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 293 transitions. [2023-11-29 04:47:28,995 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 293 transitions. Word has length 24 [2023-11-29 04:47:28,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:47:28,996 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 293 transitions. [2023-11-29 04:47:28,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 04:47:28,996 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 293 transitions. [2023-11-29 04:47:28,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 04:47:28,998 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:47:28,998 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:47:28,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 04:47:28,998 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:47:28,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:47:28,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1314613939, now seen corresponding path program 1 times [2023-11-29 04:47:28,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:47:28,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619215312] [2023-11-29 04:47:28,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:47:28,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:47:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:29,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 04:47:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:29,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:47:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:29,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 04:47:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:29,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:47:29,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:47:29,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619215312] [2023-11-29 04:47:29,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619215312] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:47:29,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:47:29,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:47:29,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767588569] [2023-11-29 04:47:29,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:47:29,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:47:29,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:47:29,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:47:29,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:47:29,089 INFO L87 Difference]: Start difference. First operand 218 states and 293 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 04:47:29,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:47:29,351 INFO L93 Difference]: Finished difference Result 485 states and 659 transitions. [2023-11-29 04:47:29,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:47:29,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2023-11-29 04:47:29,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:47:29,357 INFO L225 Difference]: With dead ends: 485 [2023-11-29 04:47:29,357 INFO L226 Difference]: Without dead ends: 483 [2023-11-29 04:47:29,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:47:29,359 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 149 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:47:29,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 167 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 04:47:29,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2023-11-29 04:47:29,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 453. [2023-11-29 04:47:29,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 311 states have (on average 1.360128617363344) internal successors, (423), 342 states have internal predecessors, (423), 71 states have call successors, (71), 53 states have call predecessors, (71), 70 states have return successors, (125), 72 states have call predecessors, (125), 71 states have call successors, (125) [2023-11-29 04:47:29,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 619 transitions. [2023-11-29 04:47:29,414 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 619 transitions. Word has length 38 [2023-11-29 04:47:29,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:47:29,415 INFO L495 AbstractCegarLoop]: Abstraction has 453 states and 619 transitions. [2023-11-29 04:47:29,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 04:47:29,415 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 619 transitions. [2023-11-29 04:47:29,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-29 04:47:29,420 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:47:29,420 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 04:47:29,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 04:47:29,421 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:47:29,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:47:29,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1181939622, now seen corresponding path program 1 times [2023-11-29 04:47:29,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:47:29,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84529164] [2023-11-29 04:47:29,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:47:29,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:47:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:29,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 04:47:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:29,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-29 04:47:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:29,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:47:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:29,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:47:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:29,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-29 04:47:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:29,528 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 04:47:29,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:47:29,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84529164] [2023-11-29 04:47:29,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84529164] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:47:29,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:47:29,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 04:47:29,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286976878] [2023-11-29 04:47:29,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:47:29,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:47:29,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:47:29,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:47:29,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:47:29,530 INFO L87 Difference]: Start difference. First operand 453 states and 619 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-29 04:47:29,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:47:29,883 INFO L93 Difference]: Finished difference Result 541 states and 749 transitions. [2023-11-29 04:47:29,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 04:47:29,883 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 63 [2023-11-29 04:47:29,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:47:29,886 INFO L225 Difference]: With dead ends: 541 [2023-11-29 04:47:29,886 INFO L226 Difference]: Without dead ends: 270 [2023-11-29 04:47:29,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:47:29,888 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 242 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:47:29,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 167 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 04:47:29,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2023-11-29 04:47:29,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 222. [2023-11-29 04:47:29,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 153 states have (on average 1.3202614379084967) internal successors, (202), 167 states have internal predecessors, (202), 33 states have call successors, (33), 26 states have call predecessors, (33), 35 states have return successors, (59), 35 states have call predecessors, (59), 33 states have call successors, (59) [2023-11-29 04:47:29,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 294 transitions. [2023-11-29 04:47:29,924 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 294 transitions. Word has length 63 [2023-11-29 04:47:29,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:47:29,925 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 294 transitions. [2023-11-29 04:47:29,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-29 04:47:29,925 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 294 transitions. [2023-11-29 04:47:29,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-29 04:47:29,928 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:47:29,929 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 04:47:29,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 04:47:29,929 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:47:29,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:47:29,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1470407468, now seen corresponding path program 1 times [2023-11-29 04:47:29,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:47:29,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460450617] [2023-11-29 04:47:29,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:47:29,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:47:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:30,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 04:47:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:30,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-29 04:47:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:30,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:47:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:30,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:47:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:30,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 04:47:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:30,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 04:47:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:30,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:47:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:30,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 04:47:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:30,132 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-29 04:47:30,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:47:30,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460450617] [2023-11-29 04:47:30,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460450617] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:47:30,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689460269] [2023-11-29 04:47:30,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:47:30,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:47:30,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:47:30,136 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:47:30,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 04:47:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:30,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 04:47:30,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:47:30,356 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-29 04:47:30,357 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:47:30,535 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-29 04:47:30,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689460269] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:47:30,536 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 04:47:30,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 11 [2023-11-29 04:47:30,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039934834] [2023-11-29 04:47:30,536 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 04:47:30,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 04:47:30,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:47:30,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 04:47:30,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:47:30,539 INFO L87 Difference]: Start difference. First operand 222 states and 294 transitions. Second operand has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 10 states have internal predecessors, (90), 7 states have call successors, (20), 8 states have call predecessors, (20), 5 states have return successors, (15), 5 states have call predecessors, (15), 7 states have call successors, (15) [2023-11-29 04:47:30,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:47:30,968 INFO L93 Difference]: Finished difference Result 451 states and 609 transitions. [2023-11-29 04:47:30,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 04:47:30,969 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 10 states have internal predecessors, (90), 7 states have call successors, (20), 8 states have call predecessors, (20), 5 states have return successors, (15), 5 states have call predecessors, (15), 7 states have call successors, (15) Word has length 82 [2023-11-29 04:47:30,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:47:30,971 INFO L225 Difference]: With dead ends: 451 [2023-11-29 04:47:30,971 INFO L226 Difference]: Without dead ends: 231 [2023-11-29 04:47:30,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 180 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2023-11-29 04:47:30,973 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 335 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:47:30,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 204 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 04:47:30,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2023-11-29 04:47:30,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 193. [2023-11-29 04:47:30,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 132 states have (on average 1.2651515151515151) internal successors, (167), 145 states have internal predecessors, (167), 29 states have call successors, (29), 24 states have call predecessors, (29), 31 states have return successors, (39), 30 states have call predecessors, (39), 29 states have call successors, (39) [2023-11-29 04:47:30,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 235 transitions. [2023-11-29 04:47:30,997 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 235 transitions. Word has length 82 [2023-11-29 04:47:30,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:47:30,998 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 235 transitions. [2023-11-29 04:47:30,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 10 states have internal predecessors, (90), 7 states have call successors, (20), 8 states have call predecessors, (20), 5 states have return successors, (15), 5 states have call predecessors, (15), 7 states have call successors, (15) [2023-11-29 04:47:30,998 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 235 transitions. [2023-11-29 04:47:31,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-29 04:47:31,000 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:47:31,000 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:47:31,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:47:31,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:47:31,202 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:47:31,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:47:31,203 INFO L85 PathProgramCache]: Analyzing trace with hash 118085544, now seen corresponding path program 1 times [2023-11-29 04:47:31,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:47:31,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738200286] [2023-11-29 04:47:31,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:47:31,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:47:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:31,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 04:47:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:31,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-29 04:47:31,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:31,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:47:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:31,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:47:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:31,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 04:47:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:31,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 04:47:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:31,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:47:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:31,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:47:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:31,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 04:47:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:31,408 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-29 04:47:31,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:47:31,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738200286] [2023-11-29 04:47:31,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738200286] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:47:31,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009086639] [2023-11-29 04:47:31,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:47:31,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:47:31,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:47:31,410 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:47:31,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 04:47:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:31,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 04:47:31,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:47:31,513 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-29 04:47:31,513 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:47:31,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2009086639] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:47:31,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:47:31,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 6 [2023-11-29 04:47:31,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069887543] [2023-11-29 04:47:31,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:47:31,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:47:31,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:47:31,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:47:31,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:47:31,515 INFO L87 Difference]: Start difference. First operand 193 states and 235 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 04:47:31,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:47:31,563 INFO L93 Difference]: Finished difference Result 386 states and 475 transitions. [2023-11-29 04:47:31,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:47:31,564 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 83 [2023-11-29 04:47:31,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:47:31,566 INFO L225 Difference]: With dead ends: 386 [2023-11-29 04:47:31,566 INFO L226 Difference]: Without dead ends: 195 [2023-11-29 04:47:31,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:47:31,567 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 2 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:47:31,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 234 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:47:31,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2023-11-29 04:47:31,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2023-11-29 04:47:31,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 134 states have (on average 1.2611940298507462) internal successors, (169), 147 states have internal predecessors, (169), 29 states have call successors, (29), 24 states have call predecessors, (29), 31 states have return successors, (39), 30 states have call predecessors, (39), 29 states have call successors, (39) [2023-11-29 04:47:31,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 237 transitions. [2023-11-29 04:47:31,587 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 237 transitions. Word has length 83 [2023-11-29 04:47:31,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:47:31,588 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 237 transitions. [2023-11-29 04:47:31,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 04:47:31,588 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 237 transitions. [2023-11-29 04:47:31,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-29 04:47:31,589 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:47:31,590 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:47:31,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 04:47:31,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-29 04:47:31,792 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:47:31,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:47:31,793 INFO L85 PathProgramCache]: Analyzing trace with hash 797357798, now seen corresponding path program 1 times [2023-11-29 04:47:31,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:47:31,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330031987] [2023-11-29 04:47:31,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:47:31,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:47:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:31,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 04:47:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:31,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-29 04:47:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:31,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:47:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:31,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:47:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:31,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 04:47:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:31,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 04:47:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:31,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:47:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:31,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:47:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:31,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 04:47:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:31,936 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-29 04:47:31,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:47:31,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330031987] [2023-11-29 04:47:31,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330031987] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:47:31,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296257079] [2023-11-29 04:47:31,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:47:31,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:47:31,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:47:31,937 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:47:31,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 04:47:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:32,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:47:32,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:47:32,057 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-29 04:47:32,057 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:47:32,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296257079] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:47:32,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:47:32,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-11-29 04:47:32,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927933194] [2023-11-29 04:47:32,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:47:32,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:47:32,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:47:32,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:47:32,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-29 04:47:32,059 INFO L87 Difference]: Start difference. First operand 195 states and 237 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 04:47:32,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:47:32,114 INFO L93 Difference]: Finished difference Result 395 states and 488 transitions. [2023-11-29 04:47:32,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:47:32,115 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 83 [2023-11-29 04:47:32,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:47:32,116 INFO L225 Difference]: With dead ends: 395 [2023-11-29 04:47:32,117 INFO L226 Difference]: Without dead ends: 202 [2023-11-29 04:47:32,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:47:32,118 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 6 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:47:32,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 234 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:47:32,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2023-11-29 04:47:32,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 197. [2023-11-29 04:47:32,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 136 states have (on average 1.2573529411764706) internal successors, (171), 149 states have internal predecessors, (171), 29 states have call successors, (29), 24 states have call predecessors, (29), 31 states have return successors, (39), 30 states have call predecessors, (39), 29 states have call successors, (39) [2023-11-29 04:47:32,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 239 transitions. [2023-11-29 04:47:32,139 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 239 transitions. Word has length 83 [2023-11-29 04:47:32,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:47:32,139 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 239 transitions. [2023-11-29 04:47:32,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 04:47:32,140 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 239 transitions. [2023-11-29 04:47:32,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-29 04:47:32,141 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:47:32,141 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:47:32,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 04:47:32,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:47:32,347 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:47:32,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:47:32,348 INFO L85 PathProgramCache]: Analyzing trace with hash 742964900, now seen corresponding path program 1 times [2023-11-29 04:47:32,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:47:32,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132515675] [2023-11-29 04:47:32,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:47:32,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:47:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:32,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 04:47:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:32,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-29 04:47:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:32,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:47:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:32,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:47:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:32,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 04:47:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:32,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 04:47:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:32,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:47:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:32,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:47:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:32,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 04:47:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:32,509 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 04:47:32,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:47:32,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132515675] [2023-11-29 04:47:32,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132515675] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:47:32,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603945272] [2023-11-29 04:47:32,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:47:32,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:47:32,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:47:32,511 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:47:32,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 04:47:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:32,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:47:32,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:47:32,708 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 04:47:32,708 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:47:32,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603945272] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:47:32,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:47:32,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 11 [2023-11-29 04:47:32,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418726021] [2023-11-29 04:47:32,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:47:32,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:47:32,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:47:32,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:47:32,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:47:32,710 INFO L87 Difference]: Start difference. First operand 197 states and 239 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 5 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 5 states have call successors, (9) [2023-11-29 04:47:33,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:47:33,029 INFO L93 Difference]: Finished difference Result 627 states and 815 transitions. [2023-11-29 04:47:33,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:47:33,029 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 5 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 5 states have call successors, (9) Word has length 83 [2023-11-29 04:47:33,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:47:33,032 INFO L225 Difference]: With dead ends: 627 [2023-11-29 04:47:33,033 INFO L226 Difference]: Without dead ends: 432 [2023-11-29 04:47:33,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 97 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-11-29 04:47:33,034 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 154 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:47:33,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 224 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 04:47:33,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2023-11-29 04:47:33,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 430. [2023-11-29 04:47:33,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 299 states have (on average 1.2474916387959867) internal successors, (373), 322 states have internal predecessors, (373), 68 states have call successors, (68), 60 states have call predecessors, (68), 62 states have return successors, (104), 63 states have call predecessors, (104), 68 states have call successors, (104) [2023-11-29 04:47:33,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 545 transitions. [2023-11-29 04:47:33,067 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 545 transitions. Word has length 83 [2023-11-29 04:47:33,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:47:33,067 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 545 transitions. [2023-11-29 04:47:33,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 5 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 5 states have call successors, (9) [2023-11-29 04:47:33,067 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 545 transitions. [2023-11-29 04:47:33,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-29 04:47:33,069 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:47:33,069 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:47:33,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 04:47:33,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:47:33,272 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:47:33,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:47:33,273 INFO L85 PathProgramCache]: Analyzing trace with hash 828586174, now seen corresponding path program 1 times [2023-11-29 04:47:33,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:47:33,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582124946] [2023-11-29 04:47:33,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:47:33,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:47:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:33,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:47:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:33,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 04:47:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:33,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-29 04:47:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:33,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:47:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:33,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:47:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:33,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 04:47:33,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:33,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 04:47:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:33,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:47:33,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:33,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:47:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:33,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-29 04:47:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:33,427 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 04:47:33,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:47:33,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582124946] [2023-11-29 04:47:33,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582124946] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:47:33,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893873577] [2023-11-29 04:47:33,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:47:33,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:47:33,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:47:33,429 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:47:33,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 04:47:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:33,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 04:47:33,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:47:33,619 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:47:33,619 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:47:33,779 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 04:47:33,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893873577] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:47:33,779 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 04:47:33,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 6] total 16 [2023-11-29 04:47:33,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954930217] [2023-11-29 04:47:33,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 04:47:33,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 04:47:33,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:47:33,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 04:47:33,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2023-11-29 04:47:33,782 INFO L87 Difference]: Start difference. First operand 430 states and 545 transitions. Second operand has 16 states, 15 states have (on average 8.4) internal successors, (126), 12 states have internal predecessors, (126), 7 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (24), 8 states have call predecessors, (24), 7 states have call successors, (24) [2023-11-29 04:47:37,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:47:37,275 INFO L93 Difference]: Finished difference Result 2375 states and 3300 transitions. [2023-11-29 04:47:37,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-11-29 04:47:37,276 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.4) internal successors, (126), 12 states have internal predecessors, (126), 7 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (24), 8 states have call predecessors, (24), 7 states have call successors, (24) Word has length 87 [2023-11-29 04:47:37,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:47:37,289 INFO L225 Difference]: With dead ends: 2375 [2023-11-29 04:47:37,289 INFO L226 Difference]: Without dead ends: 1947 [2023-11-29 04:47:37,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 213 SyntacticMatches, 2 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6060 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1562, Invalid=14188, Unknown=0, NotChecked=0, Total=15750 [2023-11-29 04:47:37,301 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 1204 mSDsluCounter, 1037 mSDsCounter, 0 mSdLazyCounter, 3151 mSolverCounterSat, 617 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1211 SdHoareTripleChecker+Valid, 1214 SdHoareTripleChecker+Invalid, 3768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 617 IncrementalHoareTripleChecker+Valid, 3151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 04:47:37,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1211 Valid, 1214 Invalid, 3768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [617 Valid, 3151 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 04:47:37,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1947 states. [2023-11-29 04:47:37,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1947 to 1518. [2023-11-29 04:47:37,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1518 states, 1048 states have (on average 1.1583969465648856) internal successors, (1214), 1123 states have internal predecessors, (1214), 243 states have call successors, (243), 200 states have call predecessors, (243), 226 states have return successors, (400), 232 states have call predecessors, (400), 243 states have call successors, (400) [2023-11-29 04:47:37,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 1857 transitions. [2023-11-29 04:47:37,500 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 1857 transitions. Word has length 87 [2023-11-29 04:47:37,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:47:37,501 INFO L495 AbstractCegarLoop]: Abstraction has 1518 states and 1857 transitions. [2023-11-29 04:47:37,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.4) internal successors, (126), 12 states have internal predecessors, (126), 7 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (24), 8 states have call predecessors, (24), 7 states have call successors, (24) [2023-11-29 04:47:37,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1857 transitions. [2023-11-29 04:47:37,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-29 04:47:37,503 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:47:37,503 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:47:37,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 04:47:37,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:47:37,704 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:47:37,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:47:37,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1858748036, now seen corresponding path program 1 times [2023-11-29 04:47:37,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:47:37,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470474451] [2023-11-29 04:47:37,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:47:37,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:47:37,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:37,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:47:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:37,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:47:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:37,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 04:47:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:37,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-29 04:47:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:37,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:47:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:37,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:47:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:37,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 04:47:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:37,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 04:47:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:37,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:47:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:37,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:47:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:37,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 04:47:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:37,816 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 04:47:37,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:47:37,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470474451] [2023-11-29 04:47:37,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470474451] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:47:37,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669425846] [2023-11-29 04:47:37,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:47:37,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:47:37,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:47:37,817 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:47:37,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 04:47:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:37,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 04:47:37,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:47:38,013 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-29 04:47:38,013 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:47:38,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669425846] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:47:38,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:47:38,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2023-11-29 04:47:38,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381803256] [2023-11-29 04:47:38,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:47:38,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:47:38,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:47:38,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:47:38,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-29 04:47:38,015 INFO L87 Difference]: Start difference. First operand 1518 states and 1857 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 04:47:38,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:47:38,200 INFO L93 Difference]: Finished difference Result 2548 states and 3110 transitions. [2023-11-29 04:47:38,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:47:38,200 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) Word has length 91 [2023-11-29 04:47:38,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:47:38,201 INFO L225 Difference]: With dead ends: 2548 [2023-11-29 04:47:38,202 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 04:47:38,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2023-11-29 04:47:38,209 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 23 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:47:38,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 497 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:47:38,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 04:47:38,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 04:47:38,210 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 04:47:38,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 04:47:38,211 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2023-11-29 04:47:38,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:47:38,211 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:47:38,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 04:47:38,211 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 04:47:38,211 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 04:47:38,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 04:47:38,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 04:47:38,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:47:38,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 04:47:43,629 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 394 401) no Hoare annotation was computed. [2023-11-29 04:47:43,630 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 394 401) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2023-11-29 04:47:43,630 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 301 307) no Hoare annotation was computed. [2023-11-29 04:47:43,630 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 301 307) the Hoare annotation is: true [2023-11-29 04:47:43,630 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 122 133) no Hoare annotation was computed. [2023-11-29 04:47:43,630 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 122 133) the Hoare annotation is: (let ((.cse0 (< ~pumpRunning~0 1)) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (< |old(~methaneLevelCritical~0)| 1)) (.cse7 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (< ~waterLevel~0 2)) (or .cse4 .cse5 .cse6 .cse2 .cse7) (or .cse0 .cse4 .cse6 .cse2 .cse7) (or .cse1 .cse5 .cse2 .cse3 .cse7))) [2023-11-29 04:47:43,630 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 122 133) no Hoare annotation was computed. [2023-11-29 04:47:43,630 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 919 948) no Hoare annotation was computed. [2023-11-29 04:47:43,630 INFO L902 garLoopResultBuilder]: At program point L929-2(lines 929 943) the Hoare annotation is: true [2023-11-29 04:47:43,630 INFO L902 garLoopResultBuilder]: At program point L925(line 925) the Hoare annotation is: true [2023-11-29 04:47:43,631 INFO L899 garLoopResultBuilder]: For program point L925-1(line 925) no Hoare annotation was computed. [2023-11-29 04:47:43,631 INFO L899 garLoopResultBuilder]: For program point L944(lines 919 948) no Hoare annotation was computed. [2023-11-29 04:47:43,631 INFO L899 garLoopResultBuilder]: For program point L940(line 940) no Hoare annotation was computed. [2023-11-29 04:47:43,631 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 919 948) the Hoare annotation is: true [2023-11-29 04:47:43,631 INFO L899 garLoopResultBuilder]: For program point L933(lines 933 937) no Hoare annotation was computed. [2023-11-29 04:47:43,631 INFO L902 garLoopResultBuilder]: At program point L933-1(lines 933 937) the Hoare annotation is: true [2023-11-29 04:47:43,631 INFO L895 garLoopResultBuilder]: At program point L894(line 894) the Hoare annotation is: (let ((.cse11 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse16 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= ~pumpRunning~0 0)) (.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse8 (not (= |old(~waterLevel~0)| 0))) (.cse9 (= ~waterLevel~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse6 (and .cse10 .cse12)) (.cse13 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse15 (and (<= 1 ~pumpRunning~0) (= ~methAndRunningLastTime~0 0) (<= 2 ~waterLevel~0) .cse16)) (.cse14 (and .cse10 .cse16 .cse11)) (.cse7 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse4 .cse6 .cse7) (or .cse5 .cse0 .cse8 .cse4 .cse9 .cse7) (or (and .cse10 .cse9) .cse0 .cse2 .cse8 .cse4 (and .cse11 .cse9)) (or (and .cse10 .cse3 .cse12) .cse0 .cse1 .cse4 .cse7) (or .cse13 .cse14 (not (= 0 ~systemActive~0))) (or .cse13 .cse5 .cse0 .cse15 .cse2 .cse14) (or .cse0 .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse12) .cse4 .cse6) (or .cse13 .cse5 .cse0 .cse15 .cse14 .cse7)))) [2023-11-29 04:47:43,632 INFO L899 garLoopResultBuilder]: For program point L894-1(line 894) no Hoare annotation was computed. [2023-11-29 04:47:43,632 INFO L895 garLoopResultBuilder]: At program point L407(line 407) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse5 (< |old(~waterLevel~0)| 2)) (.cse7 (<= 1 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 0))) (.cse4 (= ~waterLevel~0 0)) (.cse11 (and .cse6 .cse8)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse10 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse9 (< ~methaneLevelCritical~0 1)) (.cse12 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (and (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse4)) (or .cse0 .cse5 (and .cse6 .cse7 .cse8) .cse3 .cse9) (or .cse0 .cse5 .cse1 .cse7 .cse3) (or .cse10 .cse0 .cse11 .cse3 .cse9) (or .cse10 .cse0 .cse2 .cse3 .cse4 .cse9) (or .cse0 .cse1 .cse11 .cse3) (or .cse12 .cse10 .cse0 .cse1) (or .cse10 (= ~methAndRunningLastTime~0 0) .cse0 .cse3 .cse9) (or .cse12 .cse10 .cse0 .cse9) (or .cse12 (not (= 0 ~systemActive~0)))))) [2023-11-29 04:47:43,632 INFO L899 garLoopResultBuilder]: For program point L407-1(line 407) no Hoare annotation was computed. [2023-11-29 04:47:43,632 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 106) no Hoare annotation was computed. [2023-11-29 04:47:43,632 INFO L899 garLoopResultBuilder]: For program point L102-2(lines 98 109) no Hoare annotation was computed. [2023-11-29 04:47:43,632 INFO L899 garLoopResultBuilder]: For program point L288-1(lines 288 294) no Hoare annotation was computed. [2023-11-29 04:47:43,632 INFO L899 garLoopResultBuilder]: For program point L1019(line 1019) no Hoare annotation was computed. [2023-11-29 04:47:43,632 INFO L895 garLoopResultBuilder]: At program point L375(line 375) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 (not (= |old(~waterLevel~0)| 0)) .cse2 (and (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= ~waterLevel~0 0))) (or .cse1 .cse5 .cse4 (<= 1 ~waterLevel~0) .cse2) (or .cse1 .cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 |old(~waterLevel~0)|)) .cse2) (or .cse6 .cse0 .cse1 .cse4) (or .cse1 .cse5 .cse2 .cse3) (or .cse6 .cse0 .cse1 .cse3) (or .cse6 (not (= 0 ~systemActive~0))))) [2023-11-29 04:47:43,633 INFO L895 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 0))) (.cse4 (= ~waterLevel~0 0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (<= 1 |timeShift_processEnvironment_~tmp~3#1|)) (.cse6 (<= 1 ~waterLevel~0)) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse8 (< ~methaneLevelCritical~0 1)) (.cse12 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (and (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse4)) (or .cse0 .cse5 .cse1 .cse6 .cse3) (or .cse7 .cse0 .cse2 .cse3 .cse4 .cse8) (or .cse7 .cse0 (and .cse9 (= ~methAndRunningLastTime~0 0) .cse10 .cse11) .cse3 .cse8) (or .cse0 .cse1 (and .cse9 .cse11) .cse3) (or .cse12 .cse7 .cse0 .cse1) (or .cse0 .cse5 .cse3 (and .cse9 .cse10 .cse6 .cse11) .cse8) (or .cse12 .cse7 .cse0 .cse8) (or .cse12 (not (= 0 ~systemActive~0))))) [2023-11-29 04:47:43,633 INFO L899 garLoopResultBuilder]: For program point L900(lines 900 910) no Hoare annotation was computed. [2023-11-29 04:47:43,633 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 913) no Hoare annotation was computed. [2023-11-29 04:47:43,633 INFO L899 garLoopResultBuilder]: For program point L896-1(lines 888 916) no Hoare annotation was computed. [2023-11-29 04:47:43,633 INFO L895 garLoopResultBuilder]: At program point L380(line 380) the Hoare annotation is: (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2) (or .cse5 .cse0 .cse1 .cse6 .cse3) (or .cse5 .cse0 .cse1 .cse6 .cse4) (or .cse1 (< |old(~waterLevel~0)| 2) .cse2 .cse3) (or .cse5 (not (= 0 ~systemActive~0))))) [2023-11-29 04:47:43,633 INFO L899 garLoopResultBuilder]: For program point L380-1(lines 361 385) no Hoare annotation was computed. [2023-11-29 04:47:43,633 INFO L899 garLoopResultBuilder]: For program point L281-1(lines 280 299) no Hoare annotation was computed. [2023-11-29 04:47:43,633 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 277 300) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse10 (and .cse0 .cse2 .cse9)) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse12 (and .cse8 .cse1 .cse2)) (.cse11 (not (= ~methaneLevelCritical~0 0)))) (and (or (and .cse0 .cse1 .cse2) .cse3 .cse4 .cse5 .cse6) (or .cse7 (and .cse8 .cse2 .cse9) (not (= 0 ~systemActive~0))) (or .cse4 .cse10 .cse11 .cse5) (or .cse4 (< |old(~waterLevel~0)| 2) .cse10 .cse5 .cse6) (or .cse7 .cse3 .cse4 .cse12 .cse6) (or .cse7 .cse3 .cse4 .cse12 .cse11)))) [2023-11-29 04:47:43,633 INFO L899 garLoopResultBuilder]: For program point L901(lines 901 907) no Hoare annotation was computed. [2023-11-29 04:47:43,633 INFO L899 garLoopResultBuilder]: For program point L369(lines 369 377) no Hoare annotation was computed. [2023-11-29 04:47:43,633 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 382) no Hoare annotation was computed. [2023-11-29 04:47:43,633 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 277 300) no Hoare annotation was computed. [2023-11-29 04:47:43,634 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1019) no Hoare annotation was computed. [2023-11-29 04:47:43,634 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 134 142) the Hoare annotation is: true [2023-11-29 04:47:43,634 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 134 142) no Hoare annotation was computed. [2023-11-29 04:47:43,634 INFO L895 garLoopResultBuilder]: At program point L502(line 502) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 04:47:43,634 INFO L899 garLoopResultBuilder]: For program point L213(lines 212 259) no Hoare annotation was computed. [2023-11-29 04:47:43,634 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 255) no Hoare annotation was computed. [2023-11-29 04:47:43,634 INFO L895 garLoopResultBuilder]: At program point L234(line 234) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse1 .cse2 .cse3) (and .cse6 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse3 (= 0 ~systemActive~0)))) [2023-11-29 04:47:43,634 INFO L899 garLoopResultBuilder]: For program point L263(lines 202 267) no Hoare annotation was computed. [2023-11-29 04:47:43,634 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 228) no Hoare annotation was computed. [2023-11-29 04:47:43,634 INFO L899 garLoopResultBuilder]: For program point L222-1(lines 222 228) no Hoare annotation was computed. [2023-11-29 04:47:43,634 INFO L895 garLoopResultBuilder]: At program point L260(lines 211 261) the Hoare annotation is: false [2023-11-29 04:47:43,635 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 04:47:43,635 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 254) no Hoare annotation was computed. [2023-11-29 04:47:43,635 INFO L895 garLoopResultBuilder]: At program point L248-2(lines 242 255) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse5 .cse4 .cse1 .cse2 .cse3) (and .cse5 .cse4 .cse6 .cse2 .cse3) (and .cse5 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse6 .cse2 .cse3))) [2023-11-29 04:47:43,635 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 506) no Hoare annotation was computed. [2023-11-29 04:47:43,635 INFO L899 garLoopResultBuilder]: For program point L500-1(lines 500 506) no Hoare annotation was computed. [2023-11-29 04:47:43,635 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 04:47:43,635 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 238) no Hoare annotation was computed. [2023-11-29 04:47:43,635 INFO L899 garLoopResultBuilder]: For program point L232-1(lines 232 238) no Hoare annotation was computed. [2023-11-29 04:47:43,635 INFO L895 garLoopResultBuilder]: At program point L257(lines 212 259) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse1 .cse2 .cse3) (and .cse6 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse3 (= 0 ~systemActive~0)))) [2023-11-29 04:47:43,636 INFO L895 garLoopResultBuilder]: At program point L224(line 224) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse1 .cse2 .cse3) (and .cse6 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse3 (= 0 ~systemActive~0)))) [2023-11-29 04:47:43,636 INFO L899 garLoopResultBuilder]: For program point L1001(lines 1001 1008) no Hoare annotation was computed. [2023-11-29 04:47:43,636 INFO L899 garLoopResultBuilder]: For program point L1001-2(lines 1001 1008) no Hoare annotation was computed. [2023-11-29 04:47:43,636 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2023-11-29 04:47:43,636 INFO L899 garLoopResultBuilder]: For program point L467-2(lines 467 471) no Hoare annotation was computed. [2023-11-29 04:47:43,636 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 309 333) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse3 .cse0 .cse1 .cse4) (or .cse2 .cse3 .cse0 .cse4 (< ~methaneLevelCritical~0 1)))) [2023-11-29 04:47:43,636 INFO L895 garLoopResultBuilder]: At program point L323(line 323) the Hoare annotation is: (let ((.cse5 (= ~methAndRunningLastTime~0 0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (= |old(~pumpRunning~0)| 0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= ~pumpRunning~0 0) .cse5 .cse6 .cse7 (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0))) (.cse1 (not .cse7)) (.cse2 (not .cse6)) (.cse4 (not .cse5))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse3 (< |old(~pumpRunning~0)| 1)) (or .cse0 .cse1 .cse2 .cse4 (< ~methaneLevelCritical~0 1))))) [2023-11-29 04:47:43,636 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 175 188) no Hoare annotation was computed. [2023-11-29 04:47:43,636 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 325) no Hoare annotation was computed. [2023-11-29 04:47:43,637 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 309 333) no Hoare annotation was computed. [2023-11-29 04:47:43,637 INFO L899 garLoopResultBuilder]: For program point L313(lines 313 330) no Hoare annotation was computed. [2023-11-29 04:47:43,637 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 185) no Hoare annotation was computed. [2023-11-29 04:47:43,637 INFO L895 garLoopResultBuilder]: At program point L328(line 328) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse0 .cse1 .cse3) (or .cse2 .cse0 .cse3 (< ~methaneLevelCritical~0 1)))) [2023-11-29 04:47:43,637 INFO L899 garLoopResultBuilder]: For program point L328-1(lines 309 333) no Hoare annotation was computed. [2023-11-29 04:47:43,637 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 110 121) no Hoare annotation was computed. [2023-11-29 04:47:43,637 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 110 121) no Hoare annotation was computed. [2023-11-29 04:47:43,637 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 110 121) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (< ~pumpRunning~0 1)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (not (= 0 ~systemActive~0))) (or .cse0 .cse1 .cse5 .cse2 .cse3) (or .cse6 .cse1 .cse5 .cse2 .cse3) (or .cse6 .cse1 (< |old(~waterLevel~0)| 2) .cse2 .cse4))) [2023-11-29 04:47:43,637 INFO L895 garLoopResultBuilder]: At program point L349(line 349) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse0 .cse1 .cse3) (or .cse2 .cse0 .cse3 (< ~methaneLevelCritical~0 1)))) [2023-11-29 04:47:43,638 INFO L895 garLoopResultBuilder]: At program point L345(line 345) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse0 .cse1 .cse3) (or .cse2 .cse0 .cse3 (< ~methaneLevelCritical~0 1)))) [2023-11-29 04:47:43,638 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 351) no Hoare annotation was computed. [2023-11-29 04:47:43,638 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 356) no Hoare annotation was computed. [2023-11-29 04:47:43,638 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 335 359) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse3 .cse0 .cse1 .cse4) (or .cse2 .cse3 .cse0 .cse4 (< ~methaneLevelCritical~0 1)))) [2023-11-29 04:47:43,638 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 490) no Hoare annotation was computed. [2023-11-29 04:47:43,638 INFO L899 garLoopResultBuilder]: For program point L486-2(lines 486 490) no Hoare annotation was computed. [2023-11-29 04:47:43,638 INFO L895 garLoopResultBuilder]: At program point L354(line 354) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse3 .cse0 .cse1 .cse4) (or .cse2 .cse3 .cse0 .cse4 (< ~methaneLevelCritical~0 1)))) [2023-11-29 04:47:43,638 INFO L899 garLoopResultBuilder]: For program point L354-1(lines 335 359) no Hoare annotation was computed. [2023-11-29 04:47:43,639 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 335 359) no Hoare annotation was computed. [2023-11-29 04:47:43,641 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:47:43,643 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:47:43,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:47:43 BoogieIcfgContainer [2023-11-29 04:47:43,655 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:47:43,655 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:47:43,655 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:47:43,655 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:47:43,656 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:47:28" (3/4) ... [2023-11-29 04:47:43,657 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 04:47:43,661 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-29 04:47:43,661 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-29 04:47:43,661 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-29 04:47:43,661 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-29 04:47:43,661 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-29 04:47:43,661 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-29 04:47:43,661 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2023-11-29 04:47:43,661 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-29 04:47:43,661 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2023-11-29 04:47:43,669 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2023-11-29 04:47:43,670 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-29 04:47:43,670 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 04:47:43,671 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 04:47:43,672 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 04:47:43,787 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 04:47:43,787 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 04:47:43,787 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:47:43,788 INFO L158 Benchmark]: Toolchain (without parser) took 16725.67ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 124.3MB in the beginning and 120.3MB in the end (delta: 4.0MB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. [2023-11-29 04:47:43,788 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:47:43,789 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.20ms. Allocated memory is still 161.5MB. Free memory was 124.3MB in the beginning and 104.2MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-29 04:47:43,789 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.95ms. Allocated memory is still 161.5MB. Free memory was 104.2MB in the beginning and 102.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:47:43,790 INFO L158 Benchmark]: Boogie Preprocessor took 47.61ms. Allocated memory is still 161.5MB. Free memory was 102.1MB in the beginning and 99.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:47:43,790 INFO L158 Benchmark]: RCFGBuilder took 445.43ms. Allocated memory is still 161.5MB. Free memory was 99.6MB in the beginning and 120.7MB in the end (delta: -21.1MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2023-11-29 04:47:43,790 INFO L158 Benchmark]: TraceAbstraction took 15651.32ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 120.4MB in the beginning and 127.6MB in the end (delta: -7.2MB). Peak memory consumption was 135.4MB. Max. memory is 16.1GB. [2023-11-29 04:47:43,791 INFO L158 Benchmark]: Witness Printer took 132.42ms. Allocated memory is still 234.9MB. Free memory was 127.6MB in the beginning and 120.3MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 04:47:43,792 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.20ms. Allocated memory is still 161.5MB. Free memory was 124.3MB in the beginning and 104.2MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.95ms. Allocated memory is still 161.5MB. Free memory was 104.2MB in the beginning and 102.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.61ms. Allocated memory is still 161.5MB. Free memory was 102.1MB in the beginning and 99.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 445.43ms. Allocated memory is still 161.5MB. Free memory was 99.6MB in the beginning and 120.7MB in the end (delta: -21.1MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * TraceAbstraction took 15651.32ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 120.4MB in the beginning and 127.6MB in the end (delta: -7.2MB). Peak memory consumption was 135.4MB. Max. memory is 16.1GB. * Witness Printer took 132.42ms. Allocated memory is still 234.9MB. Free memory was 127.6MB in the beginning and 120.3MB 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] - GenericResultAtLocation [Line: 198]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [198] - GenericResultAtLocation [Line: 268]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [268] - GenericResultAtLocation [Line: 511]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [511] - GenericResultAtLocation [Line: 877]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [877] - GenericResultAtLocation [Line: 917]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [917] - GenericResultAtLocation [Line: 1014]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1014] * 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: 1019]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.6s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2319 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2277 mSDsluCounter, 3605 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2474 mSDsCounter, 943 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4565 IncrementalHoareTripleChecker+Invalid, 5508 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 943 mSolverCounterUnsat, 1131 mSDtfsCounter, 4565 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1033 GetRequests, 836 SyntacticMatches, 6 SemanticMatches, 191 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6148 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1518occurred in iteration=11, InterpolantAutomatonStates: 172, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 560 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 1536 PreInvPairs, 1751 NumberOfFragments, 1889 HoareAnnotationTreeSize, 1536 FomulaSimplifications, 13439 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 28 FomulaSimplificationsInter, 19909 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1199 NumberOfCodeBlocks, 1199 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1348 ConstructedInterpolants, 0 QuantifiedInterpolants, 2364 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1918 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 20 InterpolantComputations, 10 PerfectInterpolantSequences, 442/484 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: 212]: Loop Invariant Derived loop invariant: (((((((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (2 <= waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0)) || (((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0))) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (splverifierCounter == 0))) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0))) || ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (splverifierCounter == 0)) && (0 == systemActive))) - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-29 04:47:43,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a5018c-af9d-4e2a-86e0-b3b291deb698/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