./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product14.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_c65eddac-d185-45f2-8a29-5a7d3a6a3d95/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65eddac-d185-45f2-8a29-5a7d3a6a3d95/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_c65eddac-d185-45f2-8a29-5a7d3a6a3d95/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65eddac-d185-45f2-8a29-5a7d3a6a3d95/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65eddac-d185-45f2-8a29-5a7d3a6a3d95/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_c65eddac-d185-45f2-8a29-5a7d3a6a3d95/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 dc29098f4fd0de7b34ca1f86e5228e41fa7841081f2e41f7454108ef1ad7724c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:51:35,015 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:51:35,093 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65eddac-d185-45f2-8a29-5a7d3a6a3d95/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 01:51:35,098 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:51:35,099 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:51:35,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:51:35,130 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:51:35,131 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:51:35,131 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:51:35,132 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:51:35,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:51:35,133 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:51:35,134 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:51:35,134 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:51:35,135 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:51:35,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:51:35,136 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:51:35,136 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:51:35,137 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:51:35,137 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:51:35,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:51:35,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:51:35,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:51:35,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:51:35,139 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:51:35,140 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:51:35,140 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:51:35,140 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:51:35,141 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:51:35,141 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:51:35,141 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:51:35,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:51:35,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:51:35,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:51:35,142 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:51:35,143 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:51:35,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:51:35,143 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:51:35,143 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:51:35,143 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:51:35,143 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:51:35,144 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:51:35,144 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_c65eddac-d185-45f2-8a29-5a7d3a6a3d95/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65eddac-d185-45f2-8a29-5a7d3a6a3d95/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc29098f4fd0de7b34ca1f86e5228e41fa7841081f2e41f7454108ef1ad7724c [2023-11-29 01:51:35,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:51:35,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:51:35,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:51:35,400 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:51:35,401 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:51:35,402 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65eddac-d185-45f2-8a29-5a7d3a6a3d95/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2023-11-29 01:51:38,158 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:51:38,394 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:51:38,395 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65eddac-d185-45f2-8a29-5a7d3a6a3d95/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2023-11-29 01:51:38,408 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65eddac-d185-45f2-8a29-5a7d3a6a3d95/bin/uautomizer-verify-BQ2R08f2Ya/data/6231630d9/90ff1bb7695248cd8af641bbf3a6f0fe/FLAG4a9a1bbcb [2023-11-29 01:51:38,424 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65eddac-d185-45f2-8a29-5a7d3a6a3d95/bin/uautomizer-verify-BQ2R08f2Ya/data/6231630d9/90ff1bb7695248cd8af641bbf3a6f0fe [2023-11-29 01:51:38,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:51:38,428 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:51:38,430 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:51:38,430 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:51:38,435 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:51:38,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:51:38" (1/1) ... [2023-11-29 01:51:38,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59168845 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:38, skipping insertion in model container [2023-11-29 01:51:38,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:51:38" (1/1) ... [2023-11-29 01:51:38,485 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:51:38,725 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_c65eddac-d185-45f2-8a29-5a7d3a6a3d95/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c[15980,15993] [2023-11-29 01:51:38,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:51:38,748 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:51:38,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-29 01:51:38,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2023-11-29 01:51:38,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [173] [2023-11-29 01:51:38,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [539] [2023-11-29 01:51:38,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [609] [2023-11-29 01:51:38,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [772] [2023-11-29 01:51:38,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [781] [2023-11-29 01:51:38,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [877] [2023-11-29 01:51:38,803 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_c65eddac-d185-45f2-8a29-5a7d3a6a3d95/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c[15980,15993] [2023-11-29 01:51:38,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:51:38,826 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:51:38,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:38 WrapperNode [2023-11-29 01:51:38,827 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:51:38,828 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:51:38,828 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:51:38,828 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:51:38,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:38" (1/1) ... [2023-11-29 01:51:38,849 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:38" (1/1) ... [2023-11-29 01:51:38,872 INFO L138 Inliner]: procedures = 52, calls = 95, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 163 [2023-11-29 01:51:38,873 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:51:38,873 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:51:38,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:51:38,874 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:51:38,885 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:38" (1/1) ... [2023-11-29 01:51:38,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:38" (1/1) ... [2023-11-29 01:51:38,901 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:38" (1/1) ... [2023-11-29 01:51:38,917 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 01:51:38,917 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:38" (1/1) ... [2023-11-29 01:51:38,917 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:38" (1/1) ... [2023-11-29 01:51:38,922 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:38" (1/1) ... [2023-11-29 01:51:38,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:38" (1/1) ... [2023-11-29 01:51:38,927 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:38" (1/1) ... [2023-11-29 01:51:38,929 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:38" (1/1) ... [2023-11-29 01:51:38,931 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:51:38,932 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:51:38,932 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:51:38,932 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:51:38,936 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:38" (1/1) ... [2023-11-29 01:51:38,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:51:38,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65eddac-d185-45f2-8a29-5a7d3a6a3d95/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:51:38,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65eddac-d185-45f2-8a29-5a7d3a6a3d95/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:51:39,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65eddac-d185-45f2-8a29-5a7d3a6a3d95/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:51:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:51:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-29 01:51:39,039 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-29 01:51:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-29 01:51:39,039 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-29 01:51:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-29 01:51:39,040 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-29 01:51:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-29 01:51:39,040 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-29 01:51:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-29 01:51:39,040 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-29 01:51:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 01:51:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-29 01:51:39,040 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-29 01:51:39,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:51:39,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:51:39,117 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:51:39,120 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:51:39,336 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:51:39,394 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:51:39,395 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 01:51:39,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:51:39 BoogieIcfgContainer [2023-11-29 01:51:39,396 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:51:39,398 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:51:39,399 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:51:39,402 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:51:39,402 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:51:38" (1/3) ... [2023-11-29 01:51:39,403 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6533981f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:51:39, skipping insertion in model container [2023-11-29 01:51:39,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:38" (2/3) ... [2023-11-29 01:51:39,403 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6533981f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:51:39, skipping insertion in model container [2023-11-29 01:51:39,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:51:39" (3/3) ... [2023-11-29 01:51:39,405 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14.cil.c [2023-11-29 01:51:39,424 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:51:39,424 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 01:51:39,470 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:51:39,476 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;@d493959, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:51:39,476 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 01:51:39,479 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 37 states have (on average 1.5675675675675675) internal successors, (58), 43 states have internal predecessors, (58), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-29 01:51:39,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-29 01:51:39,487 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:51:39,487 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:51:39,487 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:51:39,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:51:39,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1613338075, now seen corresponding path program 1 times [2023-11-29 01:51:39,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:51:39,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776547998] [2023-11-29 01:51:39,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:51:39,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:51:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:51:39,672 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 01:51:39,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:51:39,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776547998] [2023-11-29 01:51:39,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776547998] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:51:39,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:51:39,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:51:39,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068281659] [2023-11-29 01:51:39,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:51:39,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 01:51:39,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:51:39,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 01:51:39,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:51:39,715 INFO L87 Difference]: Start difference. First operand has 54 states, 37 states have (on average 1.5675675675675675) internal successors, (58), 43 states have internal predecessors, (58), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:51:39,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:51:39,766 INFO L93 Difference]: Finished difference Result 106 states and 153 transitions. [2023-11-29 01:51:39,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 01:51:39,769 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-29 01:51:39,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:51:39,778 INFO L225 Difference]: With dead ends: 106 [2023-11-29 01:51:39,779 INFO L226 Difference]: Without dead ends: 49 [2023-11-29 01:51:39,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:51:39,786 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:51:39,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:51:39,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-29 01:51:39,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-29 01:51:39,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 34 states have (on average 1.411764705882353) internal successors, (48), 39 states have internal predecessors, (48), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 01:51:39,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 65 transitions. [2023-11-29 01:51:39,830 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 65 transitions. Word has length 12 [2023-11-29 01:51:39,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:51:39,831 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 65 transitions. [2023-11-29 01:51:39,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:51:39,831 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2023-11-29 01:51:39,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-29 01:51:39,833 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:51:39,833 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:51:39,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 01:51:39,834 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:51:39,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:51:39,835 INFO L85 PathProgramCache]: Analyzing trace with hash 405834135, now seen corresponding path program 1 times [2023-11-29 01:51:39,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:51:39,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626156334] [2023-11-29 01:51:39,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:51:39,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:51:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:51:39,922 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 01:51:39,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:51:39,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626156334] [2023-11-29 01:51:39,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626156334] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:51:39,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:51:39,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:51:39,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950617825] [2023-11-29 01:51:39,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:51:39,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:51:39,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:51:39,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:51:39,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:51:39,927 INFO L87 Difference]: Start difference. First operand 49 states and 65 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:51:39,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:51:39,955 INFO L93 Difference]: Finished difference Result 71 states and 93 transitions. [2023-11-29 01:51:39,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:51:39,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-29 01:51:39,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:51:39,957 INFO L225 Difference]: With dead ends: 71 [2023-11-29 01:51:39,957 INFO L226 Difference]: Without dead ends: 41 [2023-11-29 01:51:39,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:51:39,959 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 11 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:51:39,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 77 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:51:39,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-29 01:51:39,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-11-29 01:51:39,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 34 states have internal predecessors, (42), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 01:51:39,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 54 transitions. [2023-11-29 01:51:39,969 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 54 transitions. Word has length 13 [2023-11-29 01:51:39,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:51:39,969 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 54 transitions. [2023-11-29 01:51:39,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:51:39,969 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2023-11-29 01:51:39,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-29 01:51:39,970 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:51:39,971 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:51:39,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 01:51:39,971 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:51:39,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:51:39,972 INFO L85 PathProgramCache]: Analyzing trace with hash 91139963, now seen corresponding path program 1 times [2023-11-29 01:51:39,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:51:39,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574881793] [2023-11-29 01:51:39,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:51:39,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:51:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:51:40,043 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 01:51:40,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:51:40,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574881793] [2023-11-29 01:51:40,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574881793] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:51:40,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:51:40,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:51:40,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226003220] [2023-11-29 01:51:40,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:51:40,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:51:40,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:51:40,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:51:40,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:51:40,047 INFO L87 Difference]: Start difference. First operand 41 states and 54 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:51:40,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:51:40,076 INFO L93 Difference]: Finished difference Result 80 states and 107 transitions. [2023-11-29 01:51:40,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:51:40,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-11-29 01:51:40,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:51:40,077 INFO L225 Difference]: With dead ends: 80 [2023-11-29 01:51:40,077 INFO L226 Difference]: Without dead ends: 41 [2023-11-29 01:51:40,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:51:40,080 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 49 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:51:40,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 43 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:51:40,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-29 01:51:40,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-11-29 01:51:40,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 34 states have internal predecessors, (41), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 01:51:40,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 53 transitions. [2023-11-29 01:51:40,089 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 53 transitions. Word has length 16 [2023-11-29 01:51:40,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:51:40,089 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 53 transitions. [2023-11-29 01:51:40,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:51:40,090 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2023-11-29 01:51:40,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-29 01:51:40,091 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:51:40,091 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 01:51:40,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 01:51:40,091 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:51:40,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:51:40,092 INFO L85 PathProgramCache]: Analyzing trace with hash -484630405, now seen corresponding path program 1 times [2023-11-29 01:51:40,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:51:40,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489110392] [2023-11-29 01:51:40,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:51:40,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:51:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:51:40,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 01:51:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:51:40,240 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 01:51:40,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:51:40,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489110392] [2023-11-29 01:51:40,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489110392] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:51:40,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:51:40,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:51:40,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829679205] [2023-11-29 01:51:40,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:51:40,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:51:40,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:51:40,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:51:40,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:51:40,244 INFO L87 Difference]: Start difference. First operand 41 states and 53 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 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 01:51:40,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:51:40,315 INFO L93 Difference]: Finished difference Result 113 states and 153 transitions. [2023-11-29 01:51:40,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:51:40,315 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 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 01:51:40,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:51:40,317 INFO L225 Difference]: With dead ends: 113 [2023-11-29 01:51:40,318 INFO L226 Difference]: Without dead ends: 74 [2023-11-29 01:51:40,319 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 01:51:40,320 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 28 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:51:40,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 122 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:51:40,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-29 01:51:40,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-11-29 01:51:40,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 52 states have (on average 1.3846153846153846) internal successors, (72), 60 states have internal predecessors, (72), 12 states have call successors, (12), 10 states have call predecessors, (12), 9 states have return successors, (13), 9 states have call predecessors, (13), 12 states have call successors, (13) [2023-11-29 01:51:40,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 97 transitions. [2023-11-29 01:51:40,340 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 97 transitions. Word has length 21 [2023-11-29 01:51:40,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:51:40,341 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 97 transitions. [2023-11-29 01:51:40,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 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 01:51:40,341 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2023-11-29 01:51:40,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-29 01:51:40,343 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:51:40,343 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] [2023-11-29 01:51:40,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 01:51:40,344 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:51:40,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:51:40,345 INFO L85 PathProgramCache]: Analyzing trace with hash 887894454, now seen corresponding path program 1 times [2023-11-29 01:51:40,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:51:40,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190062142] [2023-11-29 01:51:40,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:51:40,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:51:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:51:40,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:51:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:51:40,389 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 01:51:40,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:51:40,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190062142] [2023-11-29 01:51:40,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190062142] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:51:40,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:51:40,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:51:40,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197590822] [2023-11-29 01:51:40,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:51:40,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:51:40,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:51:40,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:51:40,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:51:40,393 INFO L87 Difference]: Start difference. First operand 74 states and 97 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (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 01:51:40,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:51:40,444 INFO L93 Difference]: Finished difference Result 199 states and 269 transitions. [2023-11-29 01:51:40,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:51:40,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (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 23 [2023-11-29 01:51:40,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:51:40,447 INFO L225 Difference]: With dead ends: 199 [2023-11-29 01:51:40,448 INFO L226 Difference]: Without dead ends: 127 [2023-11-29 01:51:40,449 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 01:51:40,450 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 41 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:51:40,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 107 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:51:40,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-11-29 01:51:40,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 125. [2023-11-29 01:51:40,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 90 states have (on average 1.3666666666666667) internal successors, (123), 99 states have internal predecessors, (123), 18 states have call successors, (18), 18 states have call predecessors, (18), 16 states have return successors, (24), 16 states have call predecessors, (24), 18 states have call successors, (24) [2023-11-29 01:51:40,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 165 transitions. [2023-11-29 01:51:40,477 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 165 transitions. Word has length 23 [2023-11-29 01:51:40,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:51:40,477 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 165 transitions. [2023-11-29 01:51:40,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (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 01:51:40,477 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 165 transitions. [2023-11-29 01:51:40,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-29 01:51:40,479 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:51:40,479 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:51:40,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 01:51:40,479 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:51:40,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:51:40,480 INFO L85 PathProgramCache]: Analyzing trace with hash -255674379, now seen corresponding path program 1 times [2023-11-29 01:51:40,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:51:40,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612298381] [2023-11-29 01:51:40,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:51:40,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:51:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:51:40,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:51:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:51:40,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 01:51:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:51:40,560 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 01:51:40,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:51:40,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612298381] [2023-11-29 01:51:40,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612298381] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:51:40,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:51:40,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:51:40,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48642418] [2023-11-29 01:51:40,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:51:40,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 01:51:40,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:51:40,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 01:51:40,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:51:40,562 INFO L87 Difference]: Start difference. First operand 125 states and 165 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:51:40,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:51:40,638 INFO L93 Difference]: Finished difference Result 183 states and 247 transitions. [2023-11-29 01:51:40,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 01:51:40,639 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2023-11-29 01:51:40,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:51:40,639 INFO L225 Difference]: With dead ends: 183 [2023-11-29 01:51:40,639 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 01:51:40,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:51:40,642 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 44 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:51:40,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 57 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:51:40,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 01:51:40,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 01:51:40,643 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 01:51:40,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 01:51:40,644 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2023-11-29 01:51:40,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:51:40,644 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 01:51:40,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:51:40,644 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 01:51:40,644 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 01:51:40,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 01:51:40,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 01:51:40,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 01:51:40,846 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 120 131) no Hoare annotation was computed. [2023-11-29 01:51:40,847 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 120 131) the Hoare annotation is: true [2023-11-29 01:51:40,847 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed. [2023-11-29 01:51:40,847 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 783 812) no Hoare annotation was computed. [2023-11-29 01:51:40,847 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 801) no Hoare annotation was computed. [2023-11-29 01:51:40,847 INFO L902 garLoopResultBuilder]: At program point L797-1(lines 797 801) the Hoare annotation is: true [2023-11-29 01:51:40,847 INFO L902 garLoopResultBuilder]: At program point L793-2(lines 793 807) the Hoare annotation is: true [2023-11-29 01:51:40,847 INFO L902 garLoopResultBuilder]: At program point L789(line 789) the Hoare annotation is: true [2023-11-29 01:51:40,848 INFO L899 garLoopResultBuilder]: For program point L789-1(line 789) no Hoare annotation was computed. [2023-11-29 01:51:40,848 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 783 812) the Hoare annotation is: true [2023-11-29 01:51:40,848 INFO L899 garLoopResultBuilder]: For program point L808(lines 783 812) no Hoare annotation was computed. [2023-11-29 01:51:40,848 INFO L899 garLoopResultBuilder]: For program point L804(line 804) no Hoare annotation was computed. [2023-11-29 01:51:40,848 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 896) no Hoare annotation was computed. [2023-11-29 01:51:40,848 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 899) no Hoare annotation was computed. [2023-11-29 01:51:40,848 INFO L899 garLoopResultBuilder]: For program point L886-1(lines 878 902) no Hoare annotation was computed. [2023-11-29 01:51:40,848 INFO L899 garLoopResultBuilder]: For program point L622-1(lines 621 640) no Hoare annotation was computed. [2023-11-29 01:51:40,849 INFO L895 garLoopResultBuilder]: At program point L664(line 664) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-11-29 01:51:40,849 INFO L895 garLoopResultBuilder]: At program point L656(line 656) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-11-29 01:51:40,849 INFO L899 garLoopResultBuilder]: For program point L656-1(line 656) no Hoare annotation was computed. [2023-11-29 01:51:40,849 INFO L895 garLoopResultBuilder]: At program point L669(line 669) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2023-11-29 01:51:40,850 INFO L899 garLoopResultBuilder]: For program point L669-1(lines 650 674) no Hoare annotation was computed. [2023-11-29 01:51:40,850 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 618 641) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2023-11-29 01:51:40,851 INFO L899 garLoopResultBuilder]: For program point L777(line 777) no Hoare annotation was computed. [2023-11-29 01:51:40,851 INFO L899 garLoopResultBuilder]: For program point L100(lines 100 104) no Hoare annotation was computed. [2023-11-29 01:51:40,851 INFO L899 garLoopResultBuilder]: For program point L100-2(lines 96 107) no Hoare annotation was computed. [2023-11-29 01:51:40,851 INFO L899 garLoopResultBuilder]: For program point L629-1(lines 629 635) no Hoare annotation was computed. [2023-11-29 01:51:40,851 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 666) no Hoare annotation was computed. [2023-11-29 01:51:40,851 INFO L899 garLoopResultBuilder]: For program point L654(lines 654 671) no Hoare annotation was computed. [2023-11-29 01:51:40,851 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 618 641) no Hoare annotation was computed. [2023-11-29 01:51:40,851 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 777) no Hoare annotation was computed. [2023-11-29 01:51:40,851 INFO L895 garLoopResultBuilder]: At program point L601(lines 552 602) the Hoare annotation is: false [2023-11-29 01:51:40,852 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 579) no Hoare annotation was computed. [2023-11-29 01:51:40,852 INFO L899 garLoopResultBuilder]: For program point L573-1(lines 573 579) no Hoare annotation was computed. [2023-11-29 01:51:40,852 INFO L895 garLoopResultBuilder]: At program point L598(lines 553 600) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 01:51:40,852 INFO L895 garLoopResultBuilder]: At program point L565(line 565) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 01:51:40,852 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 01:51:40,852 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 595) no Hoare annotation was computed. [2023-11-29 01:51:40,852 INFO L895 garLoopResultBuilder]: At program point L591-2(lines 583 596) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 01:51:40,852 INFO L899 garLoopResultBuilder]: For program point L554(lines 553 600) no Hoare annotation was computed. [2023-11-29 01:51:40,853 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 01:51:40,853 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 596) no Hoare annotation was computed. [2023-11-29 01:51:40,853 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 871) no Hoare annotation was computed. [2023-11-29 01:51:40,853 INFO L895 garLoopResultBuilder]: At program point L575(line 575) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 01:51:40,853 INFO L899 garLoopResultBuilder]: For program point L864-2(lines 864 871) no Hoare annotation was computed. [2023-11-29 01:51:40,853 INFO L899 garLoopResultBuilder]: For program point L604(lines 543 608) no Hoare annotation was computed. [2023-11-29 01:51:40,853 INFO L899 garLoopResultBuilder]: For program point L563(lines 563 569) no Hoare annotation was computed. [2023-11-29 01:51:40,853 INFO L899 garLoopResultBuilder]: For program point L563-1(lines 563 569) no Hoare annotation was computed. [2023-11-29 01:51:40,853 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 108 119) no Hoare annotation was computed. [2023-11-29 01:51:40,853 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed. [2023-11-29 01:51:40,854 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 108 119) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2023-11-29 01:51:40,854 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 642 648) no Hoare annotation was computed. [2023-11-29 01:51:40,854 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 642 648) the Hoare annotation is: true [2023-11-29 01:51:40,854 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 708 718) no Hoare annotation was computed. [2023-11-29 01:51:40,854 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 708 718) the Hoare annotation is: true [2023-11-29 01:51:40,857 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-29 01:51:40,859 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 01:51:40,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 01:51:40 BoogieIcfgContainer [2023-11-29 01:51:40,870 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 01:51:40,870 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 01:51:40,870 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 01:51:40,870 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 01:51:40,871 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:51:39" (3/4) ... [2023-11-29 01:51:40,873 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 01:51:40,876 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-29 01:51:40,876 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-29 01:51:40,876 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-29 01:51:40,876 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-29 01:51:40,877 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2023-11-29 01:51:40,877 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2023-11-29 01:51:40,883 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-11-29 01:51:40,883 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-29 01:51:40,884 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 01:51:40,884 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 01:51:40,885 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 01:51:40,989 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65eddac-d185-45f2-8a29-5a7d3a6a3d95/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 01:51:40,990 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65eddac-d185-45f2-8a29-5a7d3a6a3d95/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 01:51:40,990 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 01:51:40,991 INFO L158 Benchmark]: Toolchain (without parser) took 2562.75ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 123.7MB in the beginning and 95.9MB in the end (delta: 27.8MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2023-11-29 01:51:40,991 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 115.3MB. Free memory was 86.4MB in the beginning and 86.3MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:51:40,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.55ms. Allocated memory is still 157.3MB. Free memory was 123.0MB in the beginning and 104.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 01:51:40,992 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.88ms. Allocated memory is still 157.3MB. 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 01:51:40,992 INFO L158 Benchmark]: Boogie Preprocessor took 58.23ms. Allocated memory is still 157.3MB. Free memory was 102.1MB in the beginning and 126.8MB in the end (delta: -24.8MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2023-11-29 01:51:40,993 INFO L158 Benchmark]: RCFGBuilder took 463.54ms. Allocated memory is still 157.3MB. Free memory was 126.8MB in the beginning and 106.7MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-29 01:51:40,993 INFO L158 Benchmark]: TraceAbstraction took 1471.40ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 105.9MB in the beginning and 103.3MB in the end (delta: 2.6MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2023-11-29 01:51:40,993 INFO L158 Benchmark]: Witness Printer took 119.93ms. Allocated memory is still 188.7MB. Free memory was 103.3MB in the beginning and 95.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 01:51:40,996 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 115.3MB. Free memory was 86.4MB in the beginning and 86.3MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.55ms. Allocated memory is still 157.3MB. Free memory was 123.0MB in the beginning and 104.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.88ms. Allocated memory is still 157.3MB. 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 58.23ms. Allocated memory is still 157.3MB. Free memory was 102.1MB in the beginning and 126.8MB in the end (delta: -24.8MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * RCFGBuilder took 463.54ms. Allocated memory is still 157.3MB. Free memory was 126.8MB in the beginning and 106.7MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1471.40ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 105.9MB in the beginning and 103.3MB in the end (delta: 2.6MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. * Witness Printer took 119.93ms. Allocated memory is still 188.7MB. Free memory was 103.3MB in the beginning and 95.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] - GenericResultAtLocation [Line: 173]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [173] - GenericResultAtLocation [Line: 539]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [539] - GenericResultAtLocation [Line: 609]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [609] - GenericResultAtLocation [Line: 772]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [772] - GenericResultAtLocation [Line: 781]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [781] - GenericResultAtLocation [Line: 877]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [877] * 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: 777]: 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 7 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 177 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 173 mSDsluCounter, 465 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 179 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 141 IncrementalHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 286 mSDtfsCounter, 141 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=5, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 121 PreInvPairs, 131 NumberOfFragments, 110 HoareAnnotationTreeSize, 121 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 256 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 174 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) RESULT: Ultimate proved your program to be correct! [2023-11-29 01:51:41,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65eddac-d185-45f2-8a29-5a7d3a6a3d95/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE