./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a7a5e1-6bd6-423a-8113-f09c7a621435/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a7a5e1-6bd6-423a-8113-f09c7a621435/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a7a5e1-6bd6-423a-8113-f09c7a621435/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a7a5e1-6bd6-423a-8113-f09c7a621435/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a7a5e1-6bd6-423a-8113-f09c7a621435/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a7a5e1-6bd6-423a-8113-f09c7a621435/bin/uautomizer-verify-aQ6SnzHsRB --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 311cf727219391e066955da60e9a83cfca77eaf7b53c342c6934d47c5123e76f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 19:49:32,693 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 19:49:32,795 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a7a5e1-6bd6-423a-8113-f09c7a621435/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 19:49:32,803 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 19:49:32,804 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 19:49:32,839 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 19:49:32,840 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 19:49:32,841 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 19:49:32,841 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 19:49:32,842 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 19:49:32,842 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 19:49:32,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 19:49:32,843 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 19:49:32,843 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 19:49:32,843 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 19:49:32,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 19:49:32,844 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 19:49:32,844 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 19:49:32,844 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 19:49:32,844 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 19:49:32,844 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 19:49:32,844 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 19:49:32,844 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 19:49:32,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 19:49:32,844 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 19:49:32,844 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 19:49:32,844 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 19:49:32,844 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 19:49:32,844 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 19:49:32,845 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:49:32,845 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:49:32,845 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:49:32,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:49:32,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 19:49:32,846 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:49:32,846 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:49:32,846 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:49:32,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:49:32,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 19:49:32,847 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 19:49:32,847 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 19:49:32,847 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 19:49:32,847 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 19:49:32,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 19:49:32,848 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 19:49:32,848 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 19:49:32,848 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 19:49:32,848 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 19:49:32,848 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_96a7a5e1-6bd6-423a-8113-f09c7a621435/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 311cf727219391e066955da60e9a83cfca77eaf7b53c342c6934d47c5123e76f [2024-11-27 19:49:33,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 19:49:33,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 19:49:33,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 19:49:33,190 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 19:49:33,191 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 19:49:33,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a7a5e1-6bd6-423a-8113-f09c7a621435/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c [2024-11-27 19:49:33,887 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a7a5e1-6bd6-423a-8113-f09c7a621435/bin/uautomizer-verify-aQ6SnzHsRB/data/a9f3af027/9d78b4c27ca3468ea839a460d16f1676/FLAG1b76eb5e4 [2024-11-27 19:49:39,085 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 19:49:39,086 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a7a5e1-6bd6-423a-8113-f09c7a621435/sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c [2024-11-27 19:49:39,101 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a7a5e1-6bd6-423a-8113-f09c7a621435/bin/uautomizer-verify-aQ6SnzHsRB/data/a9f3af027/9d78b4c27ca3468ea839a460d16f1676/FLAG1b76eb5e4 [2024-11-27 19:49:39,329 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a7a5e1-6bd6-423a-8113-f09c7a621435/bin/uautomizer-verify-aQ6SnzHsRB/data/a9f3af027/9d78b4c27ca3468ea839a460d16f1676 [2024-11-27 19:49:39,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 19:49:39,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 19:49:39,333 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 19:49:39,333 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 19:49:39,338 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 19:49:39,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:49:39" (1/1) ... [2024-11-27 19:49:39,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f109bb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:39, skipping insertion in model container [2024-11-27 19:49:39,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:49:39" (1/1) ... [2024-11-27 19:49:39,390 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 19:49:39,736 WARN L250 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_96a7a5e1-6bd6-423a-8113-f09c7a621435/sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c[15256,15269] [2024-11-27 19:49:39,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:49:39,771 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 19:49:39,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-11-27 19:49:39,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] [2024-11-27 19:49:39,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [343] [2024-11-27 19:49:39,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [709] [2024-11-27 19:49:39,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [718] [2024-11-27 19:49:39,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [756] [2024-11-27 19:49:39,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [782] [2024-11-27 19:49:39,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [878] [2024-11-27 19:49:39,835 WARN L250 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_96a7a5e1-6bd6-423a-8113-f09c7a621435/sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c[15256,15269] [2024-11-27 19:49:39,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:49:39,867 INFO L204 MainTranslator]: Completed translation [2024-11-27 19:49:39,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:39 WrapperNode [2024-11-27 19:49:39,869 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 19:49:39,870 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 19:49:39,872 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 19:49:39,872 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 19:49:39,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:39" (1/1) ... [2024-11-27 19:49:39,896 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:39" (1/1) ... [2024-11-27 19:49:39,919 INFO L138 Inliner]: procedures = 56, calls = 100, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 200 [2024-11-27 19:49:39,920 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 19:49:39,921 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 19:49:39,921 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 19:49:39,921 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 19:49:39,932 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:39" (1/1) ... [2024-11-27 19:49:39,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:39" (1/1) ... [2024-11-27 19:49:39,935 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:39" (1/1) ... [2024-11-27 19:49:39,965 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]. [2024-11-27 19:49:39,965 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:39" (1/1) ... [2024-11-27 19:49:39,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:39" (1/1) ... [2024-11-27 19:49:39,970 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:39" (1/1) ... [2024-11-27 19:49:39,971 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:39" (1/1) ... [2024-11-27 19:49:39,979 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:39" (1/1) ... [2024-11-27 19:49:39,983 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:39" (1/1) ... [2024-11-27 19:49:39,984 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:39" (1/1) ... [2024-11-27 19:49:39,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 19:49:39,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 19:49:39,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 19:49:39,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 19:49:39,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:39" (1/1) ... [2024-11-27 19:49:40,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:49:40,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a7a5e1-6bd6-423a-8113-f09c7a621435/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:49:40,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a7a5e1-6bd6-423a-8113-f09c7a621435/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 19:49:40,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a7a5e1-6bd6-423a-8113-f09c7a621435/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 19:49:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 19:49:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-27 19:49:40,069 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-27 19:49:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-27 19:49:40,070 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-27 19:49:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-27 19:49:40,070 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-27 19:49:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-27 19:49:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-27 19:49:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2024-11-27 19:49:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2024-11-27 19:49:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-27 19:49:40,072 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-27 19:49:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-27 19:49:40,072 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-27 19:49:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 19:49:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-27 19:49:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-27 19:49:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 19:49:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 19:49:40,165 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 19:49:40,167 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 19:49:40,493 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-11-27 19:49:40,493 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 19:49:40,511 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 19:49:40,511 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-27 19:49:40,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:49:40 BoogieIcfgContainer [2024-11-27 19:49:40,512 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 19:49:40,515 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 19:49:40,515 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 19:49:40,521 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 19:49:40,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 07:49:39" (1/3) ... [2024-11-27 19:49:40,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@623bd84f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:49:40, skipping insertion in model container [2024-11-27 19:49:40,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:39" (2/3) ... [2024-11-27 19:49:40,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@623bd84f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:49:40, skipping insertion in model container [2024-11-27 19:49:40,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:49:40" (3/3) ... [2024-11-27 19:49:40,524 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product51.cil.c [2024-11-27 19:49:40,542 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 19:49:40,543 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec1_product51.cil.c that has 9 procedures, 91 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-27 19:49:40,621 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 19:49:40,638 INFO L333 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, 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;@60f79c12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 19:49:40,639 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 19:49:40,646 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 68 states have (on average 1.3970588235294117) internal successors, (95), 77 states have internal predecessors, (95), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 19:49:40,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-27 19:49:40,658 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:40,659 INFO L218 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] [2024-11-27 19:49:40,660 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:49:40,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:40,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1606587121, now seen corresponding path program 1 times [2024-11-27 19:49:40,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:40,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848119208] [2024-11-27 19:49:40,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:40,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:40,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:49:40,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:40,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848119208] [2024-11-27 19:49:40,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848119208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:40,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:49:40,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:49:40,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485177742] [2024-11-27 19:49:40,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:40,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 19:49:40,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:40,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 19:49:40,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 19:49:40,976 INFO L87 Difference]: Start difference. First operand has 91 states, 68 states have (on average 1.3970588235294117) internal successors, (95), 77 states have internal predecessors, (95), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2024-11-27 19:49:41,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:41,019 INFO L93 Difference]: Finished difference Result 174 states and 237 transitions. [2024-11-27 19:49:41,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 19:49:41,021 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 23 [2024-11-27 19:49:41,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:41,030 INFO L225 Difference]: With dead ends: 174 [2024-11-27 19:49:41,031 INFO L226 Difference]: Without dead ends: 82 [2024-11-27 19:49:41,034 INFO L434 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 [2024-11-27 19:49:41,037 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:41,038 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:49:41,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-27 19:49:41,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-27 19:49:41,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 61 states have (on average 1.3278688524590163) internal successors, (81), 69 states have internal predecessors, (81), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 19:49:41,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 106 transitions. [2024-11-27 19:49:41,085 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 106 transitions. Word has length 23 [2024-11-27 19:49:41,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:41,085 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 106 transitions. [2024-11-27 19:49:41,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2024-11-27 19:49:41,086 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 106 transitions. [2024-11-27 19:49:41,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-27 19:49:41,090 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:41,090 INFO L218 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] [2024-11-27 19:49:41,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 19:49:41,090 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:49:41,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:41,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1456617941, now seen corresponding path program 1 times [2024-11-27 19:49:41,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:41,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913957500] [2024-11-27 19:49:41,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:41,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:41,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:49:41,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:41,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913957500] [2024-11-27 19:49:41,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913957500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:41,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:49:41,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:49:41,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420174856] [2024-11-27 19:49:41,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:41,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:49:41,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:41,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:49:41,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:49:41,251 INFO L87 Difference]: Start difference. First operand 82 states and 106 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-11-27 19:49:41,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:41,280 INFO L93 Difference]: Finished difference Result 128 states and 164 transitions. [2024-11-27 19:49:41,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:49:41,282 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 23 [2024-11-27 19:49:41,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:41,283 INFO L225 Difference]: With dead ends: 128 [2024-11-27 19:49:41,283 INFO L226 Difference]: Without dead ends: 74 [2024-11-27 19:49:41,284 INFO L434 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 [2024-11-27 19:49:41,285 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 16 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:41,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 168 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:49:41,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-27 19:49:41,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-27 19:49:41,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 64 states have internal predecessors, (75), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-27 19:49:41,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 95 transitions. [2024-11-27 19:49:41,304 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 95 transitions. Word has length 23 [2024-11-27 19:49:41,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:41,304 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 95 transitions. [2024-11-27 19:49:41,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-11-27 19:49:41,305 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 95 transitions. [2024-11-27 19:49:41,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-27 19:49:41,306 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:41,306 INFO L218 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] [2024-11-27 19:49:41,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 19:49:41,308 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:49:41,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:41,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1286418432, now seen corresponding path program 1 times [2024-11-27 19:49:41,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:41,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633914268] [2024-11-27 19:49:41,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:41,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:41,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:49:41,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:41,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633914268] [2024-11-27 19:49:41,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633914268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:41,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:49:41,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 19:49:41,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546617148] [2024-11-27 19:49:41,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:41,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 19:49:41,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:41,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 19:49:41,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 19:49:41,531 INFO L87 Difference]: Start difference. First operand 74 states and 95 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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) [2024-11-27 19:49:41,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:41,830 INFO L93 Difference]: Finished difference Result 248 states and 325 transitions. [2024-11-27 19:49:41,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 19:49:41,831 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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 27 [2024-11-27 19:49:41,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:41,833 INFO L225 Difference]: With dead ends: 248 [2024-11-27 19:49:41,833 INFO L226 Difference]: Without dead ends: 181 [2024-11-27 19:49:41,834 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-27 19:49:41,835 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 223 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:41,838 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 388 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 19:49:41,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-27 19:49:41,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 175. [2024-11-27 19:49:41,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 130 states have (on average 1.3692307692307693) internal successors, (178), 148 states have internal predecessors, (178), 25 states have call successors, (25), 19 states have call predecessors, (25), 19 states have return successors, (26), 17 states have call predecessors, (26), 25 states have call successors, (26) [2024-11-27 19:49:41,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 229 transitions. [2024-11-27 19:49:41,887 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 229 transitions. Word has length 27 [2024-11-27 19:49:41,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:41,887 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 229 transitions. [2024-11-27 19:49:41,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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) [2024-11-27 19:49:41,887 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 229 transitions. [2024-11-27 19:49:41,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-27 19:49:41,892 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:41,892 INFO L218 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] [2024-11-27 19:49:41,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 19:49:41,893 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:49:41,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:41,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1658053238, now seen corresponding path program 1 times [2024-11-27 19:49:41,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:41,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197123345] [2024-11-27 19:49:41,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:41,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:42,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:49:42,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:42,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197123345] [2024-11-27 19:49:42,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197123345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:42,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:49:42,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:49:42,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562069578] [2024-11-27 19:49:42,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:42,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:49:42,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:42,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:49:42,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:49:42,089 INFO L87 Difference]: Start difference. First operand 175 states and 229 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2024-11-27 19:49:42,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:42,195 INFO L93 Difference]: Finished difference Result 417 states and 561 transitions. [2024-11-27 19:49:42,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:49:42,196 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 31 [2024-11-27 19:49:42,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:42,200 INFO L225 Difference]: With dead ends: 417 [2024-11-27 19:49:42,200 INFO L226 Difference]: Without dead ends: 249 [2024-11-27 19:49:42,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-27 19:49:42,238 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 48 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:42,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 333 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:49:42,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-11-27 19:49:42,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 247. [2024-11-27 19:49:42,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 184 states have (on average 1.315217391304348) internal successors, (242), 201 states have internal predecessors, (242), 32 states have call successors, (32), 30 states have call predecessors, (32), 30 states have return successors, (42), 29 states have call predecessors, (42), 32 states have call successors, (42) [2024-11-27 19:49:42,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 316 transitions. [2024-11-27 19:49:42,298 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 316 transitions. Word has length 31 [2024-11-27 19:49:42,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:42,299 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 316 transitions. [2024-11-27 19:49:42,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2024-11-27 19:49:42,299 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 316 transitions. [2024-11-27 19:49:42,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-27 19:49:42,300 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:42,301 INFO L218 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, 1, 1, 1] [2024-11-27 19:49:42,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 19:49:42,301 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:49:42,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:42,302 INFO L85 PathProgramCache]: Analyzing trace with hash 323862076, now seen corresponding path program 1 times [2024-11-27 19:49:42,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:42,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787602945] [2024-11-27 19:49:42,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:42,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:42,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:49:42,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:42,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787602945] [2024-11-27 19:49:42,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787602945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:42,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:49:42,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:49:42,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896018586] [2024-11-27 19:49:42,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:42,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:49:42,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:42,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:49:42,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:49:42,426 INFO L87 Difference]: Start difference. First operand 247 states and 316 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 19:49:42,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:42,483 INFO L93 Difference]: Finished difference Result 493 states and 642 transitions. [2024-11-27 19:49:42,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:49:42,484 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2024-11-27 19:49:42,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:42,489 INFO L225 Difference]: With dead ends: 493 [2024-11-27 19:49:42,489 INFO L226 Difference]: Without dead ends: 253 [2024-11-27 19:49:42,490 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:49:42,495 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:42,495 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 362 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:49:42,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-27 19:49:42,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2024-11-27 19:49:42,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 190 states have (on average 1.305263157894737) internal successors, (248), 207 states have internal predecessors, (248), 32 states have call successors, (32), 30 states have call predecessors, (32), 30 states have return successors, (42), 29 states have call predecessors, (42), 32 states have call successors, (42) [2024-11-27 19:49:42,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 322 transitions. [2024-11-27 19:49:42,536 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 322 transitions. Word has length 41 [2024-11-27 19:49:42,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:42,536 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 322 transitions. [2024-11-27 19:49:42,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 19:49:42,536 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 322 transitions. [2024-11-27 19:49:42,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-27 19:49:42,541 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:42,541 INFO L218 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, 1, 1, 1] [2024-11-27 19:49:42,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 19:49:42,541 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:49:42,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:42,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1670282630, now seen corresponding path program 1 times [2024-11-27 19:49:42,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:42,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393368406] [2024-11-27 19:49:42,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:42,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:42,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:49:42,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:42,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393368406] [2024-11-27 19:49:42,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393368406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:42,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:49:42,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 19:49:42,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072930898] [2024-11-27 19:49:42,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:42,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 19:49:42,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:42,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:49:42,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:49:42,661 INFO L87 Difference]: Start difference. First operand 253 states and 322 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 19:49:42,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:42,714 INFO L93 Difference]: Finished difference Result 503 states and 661 transitions. [2024-11-27 19:49:42,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 19:49:42,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2024-11-27 19:49:42,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:42,717 INFO L225 Difference]: With dead ends: 503 [2024-11-27 19:49:42,718 INFO L226 Difference]: Without dead ends: 257 [2024-11-27 19:49:42,721 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:49:42,723 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:42,724 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 273 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:49:42,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-11-27 19:49:42,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2024-11-27 19:49:42,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 194 states have (on average 1.2989690721649485) internal successors, (252), 211 states have internal predecessors, (252), 32 states have call successors, (32), 30 states have call predecessors, (32), 30 states have return successors, (42), 29 states have call predecessors, (42), 32 states have call successors, (42) [2024-11-27 19:49:42,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 326 transitions. [2024-11-27 19:49:42,767 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 326 transitions. Word has length 41 [2024-11-27 19:49:42,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:42,767 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 326 transitions. [2024-11-27 19:49:42,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 19:49:42,767 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 326 transitions. [2024-11-27 19:49:42,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-27 19:49:42,770 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:42,770 INFO L218 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, 1, 1, 1] [2024-11-27 19:49:42,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 19:49:42,770 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:49:42,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:42,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1807036216, now seen corresponding path program 1 times [2024-11-27 19:49:42,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:42,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679457217] [2024-11-27 19:49:42,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:42,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:42,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:49:42,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:42,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679457217] [2024-11-27 19:49:42,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679457217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:42,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:49:42,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 19:49:42,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623277108] [2024-11-27 19:49:42,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:42,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 19:49:42,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:42,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:49:42,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:49:42,892 INFO L87 Difference]: Start difference. First operand 257 states and 326 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 19:49:43,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:43,060 INFO L93 Difference]: Finished difference Result 867 states and 1138 transitions. [2024-11-27 19:49:43,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 19:49:43,062 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2024-11-27 19:49:43,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:43,066 INFO L225 Difference]: With dead ends: 867 [2024-11-27 19:49:43,067 INFO L226 Difference]: Without dead ends: 617 [2024-11-27 19:49:43,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:49:43,069 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 126 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:43,070 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 310 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:49:43,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2024-11-27 19:49:43,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 603. [2024-11-27 19:49:43,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 454 states have (on average 1.2731277533039647) internal successors, (578), 488 states have internal predecessors, (578), 75 states have call successors, (75), 71 states have call predecessors, (75), 73 states have return successors, (118), 71 states have call predecessors, (118), 75 states have call successors, (118) [2024-11-27 19:49:43,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 771 transitions. [2024-11-27 19:49:43,168 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 771 transitions. Word has length 41 [2024-11-27 19:49:43,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:43,169 INFO L471 AbstractCegarLoop]: Abstraction has 603 states and 771 transitions. [2024-11-27 19:49:43,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 19:49:43,169 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 771 transitions. [2024-11-27 19:49:43,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-27 19:49:43,172 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:43,173 INFO L218 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:43,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 19:49:43,173 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:49:43,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:43,173 INFO L85 PathProgramCache]: Analyzing trace with hash -428991650, now seen corresponding path program 1 times [2024-11-27 19:49:43,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:43,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417004511] [2024-11-27 19:49:43,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:43,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:43,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:49:43,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:43,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417004511] [2024-11-27 19:49:43,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417004511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:43,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:49:43,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 19:49:43,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140770520] [2024-11-27 19:49:43,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:43,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 19:49:43,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:43,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 19:49:43,333 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 19:49:43,334 INFO L87 Difference]: Start difference. First operand 603 states and 771 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-27 19:49:43,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:43,566 INFO L93 Difference]: Finished difference Result 1767 states and 2331 transitions. [2024-11-27 19:49:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 19:49:43,567 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2024-11-27 19:49:43,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:43,575 INFO L225 Difference]: With dead ends: 1767 [2024-11-27 19:49:43,575 INFO L226 Difference]: Without dead ends: 1171 [2024-11-27 19:49:43,578 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-27 19:49:43,579 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 66 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:43,580 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 424 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:49:43,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2024-11-27 19:49:43,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 1171. [2024-11-27 19:49:43,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1171 states, 874 states have (on average 1.2494279176201373) internal successors, (1092), 941 states have internal predecessors, (1092), 150 states have call successors, (150), 142 states have call predecessors, (150), 146 states have return successors, (249), 142 states have call predecessors, (249), 150 states have call successors, (249) [2024-11-27 19:49:43,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 1491 transitions. [2024-11-27 19:49:43,760 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 1491 transitions. Word has length 45 [2024-11-27 19:49:43,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:43,761 INFO L471 AbstractCegarLoop]: Abstraction has 1171 states and 1491 transitions. [2024-11-27 19:49:43,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-27 19:49:43,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1491 transitions. [2024-11-27 19:49:43,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-27 19:49:43,764 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:43,765 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:43,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 19:49:43,768 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:49:43,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:43,769 INFO L85 PathProgramCache]: Analyzing trace with hash -421192638, now seen corresponding path program 1 times [2024-11-27 19:49:43,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:43,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452986943] [2024-11-27 19:49:43,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:43,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 19:49:43,804 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 19:49:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 19:49:43,863 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 19:49:43,863 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 19:49:43,864 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 19:49:43,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 19:49:43,869 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:43,941 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 19:49:43,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 07:49:43 BoogieIcfgContainer [2024-11-27 19:49:43,951 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 19:49:43,951 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 19:49:43,951 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 19:49:43,952 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 19:49:43,952 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:49:40" (3/4) ... [2024-11-27 19:49:43,953 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-27 19:49:44,047 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 42. [2024-11-27 19:49:44,163 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a7a5e1-6bd6-423a-8113-f09c7a621435/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 19:49:44,164 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a7a5e1-6bd6-423a-8113-f09c7a621435/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 19:49:44,164 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 19:49:44,165 INFO L158 Benchmark]: Toolchain (without parser) took 4832.69ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 91.5MB in the beginning and 125.3MB in the end (delta: -33.8MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-11-27 19:49:44,165 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:49:44,165 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.68ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 72.7MB in the end (delta: 18.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 19:49:44,166 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.66ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 70.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 19:49:44,167 INFO L158 Benchmark]: Boogie Preprocessor took 69.45ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 68.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:49:44,167 INFO L158 Benchmark]: RCFGBuilder took 521.53ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 52.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 19:49:44,168 INFO L158 Benchmark]: TraceAbstraction took 3435.88ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 52.1MB in the beginning and 133.7MB in the end (delta: -81.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:49:44,168 INFO L158 Benchmark]: Witness Printer took 212.48ms. Allocated memory is still 176.2MB. Free memory was 133.7MB in the beginning and 125.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 19:49:44,170 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 536.68ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 72.7MB in the end (delta: 18.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.66ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 70.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.45ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 68.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 521.53ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 52.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3435.88ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 52.1MB in the beginning and 133.7MB in the end (delta: -81.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 212.48ms. Allocated memory is still 176.2MB. Free memory was 133.7MB in the beginning and 125.3MB in the end (delta: 8.4MB). 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,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] - GenericResultAtLocation [Line: 343]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [343] - GenericResultAtLocation [Line: 709]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [709] - GenericResultAtLocation [Line: 718]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [718] - GenericResultAtLocation [Line: 756]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [756] - GenericResultAtLocation [Line: 782]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [782] - GenericResultAtLocation [Line: 878]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [878] * 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 - CounterExampleResult [Line: 714]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L131] int pumpRunning = 0; [L132] int systemActive = 1; [L513] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L783] int cleanupTimeShifts = 4; [L880] int waterLevel = 1; [L881] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L856] int retValue_acc ; [L857] int tmp ; [L861] FCALL select_helpers() [L862] FCALL select_features() [L863] CALL, EXPR valid_product() [L748] int retValue_acc ; [L751] retValue_acc = 1 [L752] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L863] RET, EXPR valid_product() [L863] tmp = valid_product() [L865] COND TRUE \read(tmp) [L867] FCALL setup() [L868] CALL runTest() [L850] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L67] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L73] tmp = __VERIFIER_nondet_int() [L75] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L77] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L898] COND TRUE waterLevel < 2 [L899] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L77] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L87] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L910] COND FALSE !(\read(methaneLevelCritical)) [L913] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L87] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L110] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L139] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L146] COND TRUE \read(systemActive) [L148] CALL processEnvironment() [L194] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L197] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L212] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L168] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L171] COND TRUE ! pumpRunning [L173] CALL, EXPR isHighWaterLevel() [L291] int retValue_acc ; [L292] int tmp ; [L293] int tmp___0 ; [L297] CALL, EXPR isHighWaterSensorDry() [L960] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L963] COND FALSE !(waterLevel < 2) [L967] retValue_acc = 0 [L968] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L297] RET, EXPR isHighWaterSensorDry() [L297] tmp = isHighWaterSensorDry() [L299] COND FALSE !(\read(tmp)) [L302] tmp___0 = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp___0=1, waterLevel=2] [L304] retValue_acc = tmp___0 [L305] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L173] RET, EXPR isHighWaterLevel() [L173] tmp = isHighWaterLevel() [L175] COND TRUE \read(tmp) [L177] CALL activatePump() [L222] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L177] RET activatePump() [L212] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L148] RET processEnvironment() [L154] CALL __utac_acc__Specification1_spec__1() [L758] int tmp ; [L759] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L763] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L919] int retValue_acc ; [L922] retValue_acc = methaneLevelCritical [L923] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L763] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L763] tmp = isMethaneLevelCritical() [L765] COND TRUE \read(tmp) [L767] CALL, EXPR isPumpRunning() [L246] int retValue_acc ; [L249] retValue_acc = pumpRunning [L250] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L767] RET, EXPR isPumpRunning() [L767] tmp___0 = isPumpRunning() [L769] COND TRUE \read(tmp___0) [L771] CALL __automaton_fail() [L714] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 484 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 479 mSDsluCounter, 2373 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1527 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 243 IncrementalHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 846 mSDtfsCounter, 243 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1171occurred in iteration=8, InterpolantAutomatonStates: 36, 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, 8 MinimizatonAttempts, 22 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 321 NumberOfCodeBlocks, 321 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 264 ConstructedInterpolants, 0 QuantifiedInterpolants, 493 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-27 19:49:44,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a7a5e1-6bd6-423a-8113-f09c7a621435/bin/uautomizer-verify-aQ6SnzHsRB/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE