./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product43.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_9e2e526f-0df5-450b-8ef3-3b30571f862f/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e526f-0df5-450b-8ef3-3b30571f862f/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e526f-0df5-450b-8ef3-3b30571f862f/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e526f-0df5-450b-8ef3-3b30571f862f/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product43.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e526f-0df5-450b-8ef3-3b30571f862f/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e526f-0df5-450b-8ef3-3b30571f862f/bin/uautomizer-verify-84ZbGMXZE1 --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 6014a53bc4531229002927c7dae6ceb41eaf1bcae6bbbe475b6c1299f7673d0b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:40:14,292 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:40:14,342 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e526f-0df5-450b-8ef3-3b30571f862f/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 14:40:14,346 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:40:14,346 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:40:14,364 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:40:14,365 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:40:14,365 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:40:14,365 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:40:14,366 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:40:14,366 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:40:14,366 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:40:14,366 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:40:14,366 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:40:14,366 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:40:14,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:40:14,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:40:14,367 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:40:14,367 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:40:14,367 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:40:14,367 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:40:14,367 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:40:14,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:40:14,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:40:14,367 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:40:14,367 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:40:14,367 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:40:14,367 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:40:14,368 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:40:14,368 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:40:14,368 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:40:14,368 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:40:14,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:40:14,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:40:14,368 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:40:14,368 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:40:14,368 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:40:14,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:40:14,369 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:40:14,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:40:14,369 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:40:14,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:40:14,369 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:40:14,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:40:14,369 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:40:14,369 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:40:14,369 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:40:14,369 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:40:14,369 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_9e2e526f-0df5-450b-8ef3-3b30571f862f/bin/uautomizer-verify-84ZbGMXZE1 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 -> 6014a53bc4531229002927c7dae6ceb41eaf1bcae6bbbe475b6c1299f7673d0b [2024-12-02 14:40:14,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:40:14,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:40:14,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:40:14,573 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:40:14,573 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:40:14,574 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e526f-0df5-450b-8ef3-3b30571f862f/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec4_product43.cil.c [2024-12-02 14:40:17,211 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e526f-0df5-450b-8ef3-3b30571f862f/bin/uautomizer-verify-84ZbGMXZE1/data/2fc7c11c5/36928ee32e47401b8b345ab770139bad/FLAGaff6a313c [2024-12-02 14:40:17,421 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:40:17,422 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e526f-0df5-450b-8ef3-3b30571f862f/sv-benchmarks/c/product-lines/minepump_spec4_product43.cil.c [2024-12-02 14:40:17,434 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e526f-0df5-450b-8ef3-3b30571f862f/bin/uautomizer-verify-84ZbGMXZE1/data/2fc7c11c5/36928ee32e47401b8b345ab770139bad/FLAGaff6a313c [2024-12-02 14:40:17,756 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e526f-0df5-450b-8ef3-3b30571f862f/bin/uautomizer-verify-84ZbGMXZE1/data/2fc7c11c5/36928ee32e47401b8b345ab770139bad [2024-12-02 14:40:17,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:40:17,759 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:40:17,760 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:40:17,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:40:17,763 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:40:17,764 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:40:17" (1/1) ... [2024-12-02 14:40:17,764 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c446b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:17, skipping insertion in model container [2024-12-02 14:40:17,764 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:40:17" (1/1) ... [2024-12-02 14:40:17,790 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:40:17,935 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_9e2e526f-0df5-450b-8ef3-3b30571f862f/sv-benchmarks/c/product-lines/minepump_spec4_product43.cil.c[5104,5117] [2024-12-02 14:40:17,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:40:18,008 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:40:18,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-12-02 14:40:18,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] [2024-12-02 14:40:18,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [315] [2024-12-02 14:40:18,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [324] [2024-12-02 14:40:18,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [423] [2024-12-02 14:40:18,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [518] [2024-12-02 14:40:18,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [553] [2024-12-02 14:40:18,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [919] [2024-12-02 14:40:18,030 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_9e2e526f-0df5-450b-8ef3-3b30571f862f/sv-benchmarks/c/product-lines/minepump_spec4_product43.cil.c[5104,5117] [2024-12-02 14:40:18,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:40:18,082 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:40:18,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:18 WrapperNode [2024-12-02 14:40:18,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:40:18,084 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:40:18,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:40:18,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:40:18,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:18" (1/1) ... [2024-12-02 14:40:18,100 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:18" (1/1) ... [2024-12-02 14:40:18,119 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 199 [2024-12-02 14:40:18,119 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:40:18,120 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:40:18,120 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:40:18,120 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:40:18,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:18" (1/1) ... [2024-12-02 14:40:18,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:18" (1/1) ... [2024-12-02 14:40:18,130 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:18" (1/1) ... [2024-12-02 14:40:18,142 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]. [2024-12-02 14:40:18,142 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:18" (1/1) ... [2024-12-02 14:40:18,142 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:18" (1/1) ... [2024-12-02 14:40:18,147 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:18" (1/1) ... [2024-12-02 14:40:18,147 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:18" (1/1) ... [2024-12-02 14:40:18,151 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:18" (1/1) ... [2024-12-02 14:40:18,152 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:18" (1/1) ... [2024-12-02 14:40:18,153 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:18" (1/1) ... [2024-12-02 14:40:18,155 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:40:18,155 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:40:18,155 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:40:18,155 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:40:18,156 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:18" (1/1) ... [2024-12-02 14:40:18,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:40:18,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e526f-0df5-450b-8ef3-3b30571f862f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:40:18,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e526f-0df5-450b-8ef3-3b30571f862f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:40:18,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e526f-0df5-450b-8ef3-3b30571f862f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:40:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:40:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-12-02 14:40:18,211 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-12-02 14:40:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-12-02 14:40:18,211 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-12-02 14:40:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-12-02 14:40:18,211 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-12-02 14:40:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-12-02 14:40:18,212 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-12-02 14:40:18,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:40:18,212 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-12-02 14:40:18,212 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-12-02 14:40:18,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:40:18,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:40:18,272 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:40:18,274 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:40:18,462 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-12-02 14:40:18,462 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:40:18,471 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:40:18,472 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 14:40:18,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:40:18 BoogieIcfgContainer [2024-12-02 14:40:18,472 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:40:18,474 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:40:18,474 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:40:18,479 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:40:18,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:40:17" (1/3) ... [2024-12-02 14:40:18,480 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58e972e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:40:18, skipping insertion in model container [2024-12-02 14:40:18,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:18" (2/3) ... [2024-12-02 14:40:18,480 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58e972e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:40:18, skipping insertion in model container [2024-12-02 14:40:18,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:40:18" (3/3) ... [2024-12-02 14:40:18,481 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product43.cil.c [2024-12-02 14:40:18,497 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:40:18,498 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec4_product43.cil.c that has 6 procedures, 76 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-12-02 14:40:18,550 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:40:18,562 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;@5811909c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:40:18,562 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:40:18,566 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 61 states have (on average 1.4098360655737705) internal successors, (86), 67 states have internal predecessors, (86), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 14:40:18,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-02 14:40:18,572 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:40:18,573 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:40:18,573 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:40:18,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:40:18,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1991468330, now seen corresponding path program 1 times [2024-12-02 14:40:18,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:40:18,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521309004] [2024-12-02 14:40:18,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:40:18,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:40:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:40:18,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:40:18,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:40:18,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521309004] [2024-12-02 14:40:18,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521309004] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:40:18,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:40:18,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:40:18,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257323681] [2024-12-02 14:40:18,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:40:18,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:40:18,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:40:18,736 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:40:18,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:40:18,739 INFO L87 Difference]: Start difference. First operand has 76 states, 61 states have (on average 1.4098360655737705) internal successors, (86), 67 states have internal predecessors, (86), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:40:18,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:40:18,768 INFO L93 Difference]: Finished difference Result 144 states and 199 transitions. [2024-12-02 14:40:18,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:40:18,769 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-12-02 14:40:18,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:40:18,775 INFO L225 Difference]: With dead ends: 144 [2024-12-02 14:40:18,775 INFO L226 Difference]: Without dead ends: 67 [2024-12-02 14:40:18,778 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 [2024-12-02 14:40:18,779 INFO L435 NwaCegarLoop]: 96 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, 96 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 [2024-12-02 14:40:18,780 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:40:18,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-12-02 14:40:18,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-12-02 14:40:18,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 54 states have (on average 1.3333333333333333) internal successors, (72), 59 states have internal predecessors, (72), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 14:40:18,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 87 transitions. [2024-12-02 14:40:18,807 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 87 transitions. Word has length 19 [2024-12-02 14:40:18,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:40:18,807 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 87 transitions. [2024-12-02 14:40:18,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:40:18,807 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 87 transitions. [2024-12-02 14:40:18,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-02 14:40:18,809 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:40:18,809 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:40:18,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 14:40:18,809 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:40:18,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:40:18,810 INFO L85 PathProgramCache]: Analyzing trace with hash 735878709, now seen corresponding path program 1 times [2024-12-02 14:40:18,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:40:18,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881835763] [2024-12-02 14:40:18,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:40:18,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:40:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:40:18,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:40:18,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:40:18,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881835763] [2024-12-02 14:40:18,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881835763] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:40:18,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:40:18,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:40:18,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990563914] [2024-12-02 14:40:18,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:40:18,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:40:18,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:40:18,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:40:18,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:40:18,897 INFO L87 Difference]: Start difference. First operand 67 states and 87 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:40:18,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:40:18,910 INFO L93 Difference]: Finished difference Result 98 states and 127 transitions. [2024-12-02 14:40:18,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:40:18,911 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-12-02 14:40:18,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:40:18,912 INFO L225 Difference]: With dead ends: 98 [2024-12-02 14:40:18,912 INFO L226 Difference]: Without dead ends: 59 [2024-12-02 14:40:18,913 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 [2024-12-02 14:40:18,914 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 17 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 130 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 [2024-12-02 14:40:18,914 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 130 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:40:18,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-12-02 14:40:18,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-12-02 14:40:18,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 49 states have (on average 1.346938775510204) internal successors, (66), 54 states have internal predecessors, (66), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-02 14:40:18,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 76 transitions. [2024-12-02 14:40:18,922 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 76 transitions. Word has length 19 [2024-12-02 14:40:18,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:40:18,922 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 76 transitions. [2024-12-02 14:40:18,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:40:18,922 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2024-12-02 14:40:18,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-02 14:40:18,923 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:40:18,923 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] [2024-12-02 14:40:18,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:40:18,924 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:40:18,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:40:18,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1937804441, now seen corresponding path program 1 times [2024-12-02 14:40:18,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:40:18,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816806578] [2024-12-02 14:40:18,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:40:18,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:40:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:40:19,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:40:19,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:40:19,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816806578] [2024-12-02 14:40:19,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816806578] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:40:19,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:40:19,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:40:19,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738274203] [2024-12-02 14:40:19,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:40:19,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:40:19,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:40:19,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:40:19,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:40:19,049 INFO L87 Difference]: Start difference. First operand 59 states and 76 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:40:19,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:40:19,190 INFO L93 Difference]: Finished difference Result 196 states and 261 transitions. [2024-12-02 14:40:19,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:40:19,191 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-12-02 14:40:19,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:40:19,192 INFO L225 Difference]: With dead ends: 196 [2024-12-02 14:40:19,192 INFO L226 Difference]: Without dead ends: 144 [2024-12-02 14:40:19,193 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:40:19,194 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 176 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:40:19,194 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 322 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:40:19,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-12-02 14:40:19,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 134. [2024-12-02 14:40:19,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 109 states have (on average 1.385321100917431) internal successors, (151), 120 states have internal predecessors, (151), 13 states have call successors, (13), 11 states have call predecessors, (13), 11 states have return successors, (14), 11 states have call predecessors, (14), 13 states have call successors, (14) [2024-12-02 14:40:19,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 178 transitions. [2024-12-02 14:40:19,215 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 178 transitions. Word has length 23 [2024-12-02 14:40:19,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:40:19,215 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 178 transitions. [2024-12-02 14:40:19,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:40:19,216 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 178 transitions. [2024-12-02 14:40:19,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-02 14:40:19,217 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:40:19,217 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] [2024-12-02 14:40:19,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 14:40:19,217 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:40:19,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:40:19,218 INFO L85 PathProgramCache]: Analyzing trace with hash 754588324, now seen corresponding path program 1 times [2024-12-02 14:40:19,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:40:19,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988568172] [2024-12-02 14:40:19,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:40:19,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:40:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:40:19,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:40:19,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:40:19,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988568172] [2024-12-02 14:40:19,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988568172] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:40:19,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:40:19,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:40:19,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814931491] [2024-12-02 14:40:19,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:40:19,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:40:19,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:40:19,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:40:19,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:40:19,259 INFO L87 Difference]: Start difference. First operand 134 states and 178 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 14:40:19,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:40:19,301 INFO L93 Difference]: Finished difference Result 326 states and 442 transitions. [2024-12-02 14:40:19,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:40:19,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2024-12-02 14:40:19,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:40:19,303 INFO L225 Difference]: With dead ends: 326 [2024-12-02 14:40:19,303 INFO L226 Difference]: Without dead ends: 199 [2024-12-02 14:40:19,304 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 [2024-12-02 14:40:19,305 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 64 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:40:19,306 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 115 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:40:19,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-12-02 14:40:19,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 197. [2024-12-02 14:40:19,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 158 states have (on average 1.3544303797468353) internal successors, (214), 173 states have internal predecessors, (214), 19 states have call successors, (19), 19 states have call predecessors, (19), 19 states have return successors, (25), 19 states have call predecessors, (25), 19 states have call successors, (25) [2024-12-02 14:40:19,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 258 transitions. [2024-12-02 14:40:19,329 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 258 transitions. Word has length 28 [2024-12-02 14:40:19,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:40:19,330 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 258 transitions. [2024-12-02 14:40:19,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 14:40:19,330 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 258 transitions. [2024-12-02 14:40:19,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-02 14:40:19,331 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:40:19,331 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] [2024-12-02 14:40:19,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 14:40:19,331 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:40:19,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:40:19,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1938436046, now seen corresponding path program 1 times [2024-12-02 14:40:19,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:40:19,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180133209] [2024-12-02 14:40:19,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:40:19,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:40:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:40:19,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:40:19,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:40:19,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180133209] [2024-12-02 14:40:19,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180133209] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:40:19,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:40:19,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:40:19,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970919810] [2024-12-02 14:40:19,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:40:19,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:40:19,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:40:19,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:40:19,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:40:19,445 INFO L87 Difference]: Start difference. First operand 197 states and 258 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:40:19,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:40:19,512 INFO L93 Difference]: Finished difference Result 543 states and 745 transitions. [2024-12-02 14:40:19,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:40:19,512 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-12-02 14:40:19,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:40:19,515 INFO L225 Difference]: With dead ends: 543 [2024-12-02 14:40:19,515 INFO L226 Difference]: Without dead ends: 353 [2024-12-02 14:40:19,516 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:40:19,517 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 39 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:40:19,517 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 271 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:40:19,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-12-02 14:40:19,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2024-12-02 14:40:19,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 285 states have (on average 1.3192982456140352) internal successors, (376), 307 states have internal predecessors, (376), 36 states have call successors, (36), 36 states have call predecessors, (36), 31 states have return successors, (52), 31 states have call predecessors, (52), 36 states have call successors, (52) [2024-12-02 14:40:19,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 464 transitions. [2024-12-02 14:40:19,553 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 464 transitions. Word has length 27 [2024-12-02 14:40:19,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:40:19,553 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 464 transitions. [2024-12-02 14:40:19,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:40:19,553 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 464 transitions. [2024-12-02 14:40:19,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-02 14:40:19,555 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:40:19,555 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] [2024-12-02 14:40:19,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 14:40:19,555 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:40:19,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:40:19,556 INFO L85 PathProgramCache]: Analyzing trace with hash 357797044, now seen corresponding path program 1 times [2024-12-02 14:40:19,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:40:19,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891894110] [2024-12-02 14:40:19,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:40:19,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:40:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:40:19,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:40:19,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:40:19,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891894110] [2024-12-02 14:40:19,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891894110] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:40:19,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:40:19,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:40:19,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922673740] [2024-12-02 14:40:19,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:40:19,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:40:19,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:40:19,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:40:19,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:40:19,613 INFO L87 Difference]: Start difference. First operand 353 states and 464 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), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 14:40:19,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:40:19,671 INFO L93 Difference]: Finished difference Result 355 states and 465 transitions. [2024-12-02 14:40:19,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:40:19,672 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), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-12-02 14:40:19,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:40:19,674 INFO L225 Difference]: With dead ends: 355 [2024-12-02 14:40:19,674 INFO L226 Difference]: Without dead ends: 353 [2024-12-02 14:40:19,675 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:40:19,675 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 60 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:40:19,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 250 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:40:19,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-12-02 14:40:19,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2024-12-02 14:40:19,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 285 states have (on average 1.3087719298245615) internal successors, (373), 307 states have internal predecessors, (373), 36 states have call successors, (36), 36 states have call predecessors, (36), 31 states have return successors, (52), 31 states have call predecessors, (52), 36 states have call successors, (52) [2024-12-02 14:40:19,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 461 transitions. [2024-12-02 14:40:19,703 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 461 transitions. Word has length 31 [2024-12-02 14:40:19,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:40:19,703 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 461 transitions. [2024-12-02 14:40:19,703 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), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 14:40:19,703 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 461 transitions. [2024-12-02 14:40:19,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-02 14:40:19,705 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:40:19,705 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] [2024-12-02 14:40:19,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 14:40:19,705 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:40:19,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:40:19,706 INFO L85 PathProgramCache]: Analyzing trace with hash 486118089, now seen corresponding path program 1 times [2024-12-02 14:40:19,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:40:19,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709767586] [2024-12-02 14:40:19,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:40:19,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:40:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:40:19,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:40:19,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:40:19,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709767586] [2024-12-02 14:40:19,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709767586] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:40:19,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:40:19,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:40:19,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705230187] [2024-12-02 14:40:19,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:40:19,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:40:19,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:40:19,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:40:19,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:40:19,763 INFO L87 Difference]: Start difference. First operand 353 states and 461 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 14:40:19,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:40:19,800 INFO L93 Difference]: Finished difference Result 711 states and 955 transitions. [2024-12-02 14:40:19,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:40:19,801 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2024-12-02 14:40:19,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:40:19,804 INFO L225 Difference]: With dead ends: 711 [2024-12-02 14:40:19,804 INFO L226 Difference]: Without dead ends: 365 [2024-12-02 14:40:19,805 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 [2024-12-02 14:40:19,806 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:40:19,806 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 285 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:40:19,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-12-02 14:40:19,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2024-12-02 14:40:19,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 297 states have (on average 1.2962962962962963) internal successors, (385), 319 states have internal predecessors, (385), 36 states have call successors, (36), 36 states have call predecessors, (36), 31 states have return successors, (52), 31 states have call predecessors, (52), 36 states have call successors, (52) [2024-12-02 14:40:19,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 473 transitions. [2024-12-02 14:40:19,828 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 473 transitions. Word has length 40 [2024-12-02 14:40:19,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:40:19,828 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 473 transitions. [2024-12-02 14:40:19,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 14:40:19,828 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 473 transitions. [2024-12-02 14:40:19,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-02 14:40:19,830 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:40:19,830 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] [2024-12-02 14:40:19,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 14:40:19,830 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:40:19,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:40:19,831 INFO L85 PathProgramCache]: Analyzing trace with hash -534950265, now seen corresponding path program 1 times [2024-12-02 14:40:19,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:40:19,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520941463] [2024-12-02 14:40:19,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:40:19,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:40:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:40:19,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:40:19,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:40:19,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520941463] [2024-12-02 14:40:19,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520941463] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:40:19,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:40:19,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 14:40:19,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311150860] [2024-12-02 14:40:19,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:40:19,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:40:19,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:40:19,901 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:40:19,901 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:40:19,901 INFO L87 Difference]: Start difference. First operand 365 states and 473 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 14:40:19,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:40:19,941 INFO L93 Difference]: Finished difference Result 659 states and 865 transitions. [2024-12-02 14:40:19,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:40:19,942 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2024-12-02 14:40:19,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:40:19,944 INFO L225 Difference]: With dead ends: 659 [2024-12-02 14:40:19,944 INFO L226 Difference]: Without dead ends: 301 [2024-12-02 14:40:19,945 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:40:19,945 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:40:19,945 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 352 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:40:19,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-12-02 14:40:19,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2024-12-02 14:40:19,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 243 states have (on average 1.2839506172839505) internal successors, (312), 261 states have internal predecessors, (312), 30 states have call successors, (30), 30 states have call predecessors, (30), 27 states have return successors, (37), 27 states have call predecessors, (37), 30 states have call successors, (37) [2024-12-02 14:40:19,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 379 transitions. [2024-12-02 14:40:19,962 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 379 transitions. Word has length 40 [2024-12-02 14:40:19,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:40:19,962 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 379 transitions. [2024-12-02 14:40:19,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 14:40:19,962 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 379 transitions. [2024-12-02 14:40:19,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-02 14:40:19,963 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:40:19,963 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] [2024-12-02 14:40:19,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 14:40:19,964 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:40:19,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:40:19,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1765872325, now seen corresponding path program 1 times [2024-12-02 14:40:19,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:40:19,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782499081] [2024-12-02 14:40:19,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:40:19,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:40:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:40:20,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:40:20,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:40:20,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782499081] [2024-12-02 14:40:20,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782499081] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:40:20,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:40:20,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:40:20,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132134424] [2024-12-02 14:40:20,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:40:20,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:40:20,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:40:20,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:40:20,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:40:20,066 INFO L87 Difference]: Start difference. First operand 301 states and 379 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 14:40:20,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:40:20,135 INFO L93 Difference]: Finished difference Result 651 states and 878 transitions. [2024-12-02 14:40:20,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:40:20,136 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2024-12-02 14:40:20,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:40:20,138 INFO L225 Difference]: With dead ends: 651 [2024-12-02 14:40:20,138 INFO L226 Difference]: Without dead ends: 451 [2024-12-02 14:40:20,139 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:40:20,139 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 43 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:40:20,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 404 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:40:20,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2024-12-02 14:40:20,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 451. [2024-12-02 14:40:20,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 359 states have (on average 1.2729805013927578) internal successors, (457), 385 states have internal predecessors, (457), 47 states have call successors, (47), 47 states have call predecessors, (47), 44 states have return successors, (76), 44 states have call predecessors, (76), 47 states have call successors, (76) [2024-12-02 14:40:20,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 580 transitions. [2024-12-02 14:40:20,164 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 580 transitions. Word has length 40 [2024-12-02 14:40:20,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:40:20,164 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 580 transitions. [2024-12-02 14:40:20,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 14:40:20,164 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 580 transitions. [2024-12-02 14:40:20,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-02 14:40:20,166 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:40:20,166 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:40:20,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 14:40:20,167 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:40:20,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:40:20,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1419034093, now seen corresponding path program 1 times [2024-12-02 14:40:20,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:40:20,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507369098] [2024-12-02 14:40:20,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:40:20,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:40:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:40:20,292 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:40:20,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:40:20,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507369098] [2024-12-02 14:40:20,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507369098] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:40:20,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996281465] [2024-12-02 14:40:20,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:40:20,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:40:20,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e526f-0df5-450b-8ef3-3b30571f862f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:40:20,294 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e526f-0df5-450b-8ef3-3b30571f862f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:40:20,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e526f-0df5-450b-8ef3-3b30571f862f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 14:40:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:40:20,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 14:40:20,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:40:20,487 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:40:20,487 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:40:20,599 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:40:20,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996281465] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:40:20,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 14:40:20,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2024-12-02 14:40:20,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015826271] [2024-12-02 14:40:20,600 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 14:40:20,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:40:20,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:40:20,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:40:20,601 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:40:20,601 INFO L87 Difference]: Start difference. First operand 451 states and 580 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 14:40:20,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:40:20,743 INFO L93 Difference]: Finished difference Result 1047 states and 1425 transitions. [2024-12-02 14:40:20,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 14:40:20,743 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 63 [2024-12-02 14:40:20,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:40:20,748 INFO L225 Difference]: With dead ends: 1047 [2024-12-02 14:40:20,748 INFO L226 Difference]: Without dead ends: 697 [2024-12-02 14:40:20,750 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 122 SyntacticMatches, 5 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-12-02 14:40:20,751 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 78 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:40:20,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 421 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:40:20,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2024-12-02 14:40:20,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 617. [2024-12-02 14:40:20,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 617 states, 487 states have (on average 1.2792607802874743) internal successors, (623), 523 states have internal predecessors, (623), 66 states have call successors, (66), 66 states have call predecessors, (66), 63 states have return successors, (115), 58 states have call predecessors, (115), 66 states have call successors, (115) [2024-12-02 14:40:20,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 804 transitions. [2024-12-02 14:40:20,803 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 804 transitions. Word has length 63 [2024-12-02 14:40:20,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:40:20,803 INFO L471 AbstractCegarLoop]: Abstraction has 617 states and 804 transitions. [2024-12-02 14:40:20,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 14:40:20,803 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 804 transitions. [2024-12-02 14:40:20,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-02 14:40:20,806 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:40:20,806 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:40:20,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e526f-0df5-450b-8ef3-3b30571f862f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 14:40:21,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e526f-0df5-450b-8ef3-3b30571f862f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-02 14:40:21,007 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:40:21,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:40:21,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1414153467, now seen corresponding path program 2 times [2024-12-02 14:40:21,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:40:21,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801287924] [2024-12-02 14:40:21,008 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 14:40:21,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:40:21,033 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 14:40:21,033 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-12-02 14:40:21,033 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:40:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:40:21,079 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 14:40:21,079 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 14:40:21,080 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 14:40:21,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 14:40:21,084 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:40:21,129 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:40:21,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:40:21 BoogieIcfgContainer [2024-12-02 14:40:21,132 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:40:21,133 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:40:21,133 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:40:21,133 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:40:21,134 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:40:18" (3/4) ... [2024-12-02 14:40:21,134 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-02 14:40:21,197 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 81. [2024-12-02 14:40:21,269 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e526f-0df5-450b-8ef3-3b30571f862f/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 14:40:21,269 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e526f-0df5-450b-8ef3-3b30571f862f/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 14:40:21,270 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:40:21,270 INFO L158 Benchmark]: Toolchain (without parser) took 3511.32ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 71.5MB in the end (delta: 21.2MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2024-12-02 14:40:21,271 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:40:21,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.30ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 74.1MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 14:40:21,271 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.58ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 72.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:40:21,271 INFO L158 Benchmark]: Boogie Preprocessor took 34.88ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 70.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:40:21,272 INFO L158 Benchmark]: RCFGBuilder took 316.92ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 54.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 14:40:21,272 INFO L158 Benchmark]: TraceAbstraction took 2658.28ms. Allocated memory is still 117.4MB. Free memory was 54.0MB in the beginning and 83.0MB in the end (delta: -28.9MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2024-12-02 14:40:21,272 INFO L158 Benchmark]: Witness Printer took 136.83ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 71.5MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 14:40:21,274 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.30ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 74.1MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.58ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 72.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.88ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 70.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 316.92ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 54.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2658.28ms. Allocated memory is still 117.4MB. Free memory was 54.0MB in the beginning and 83.0MB in the end (delta: -28.9MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * Witness Printer took 136.83ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 71.5MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. 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: 315]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [315] - GenericResultAtLocation [Line: 324]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [324] - GenericResultAtLocation [Line: 423]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [423] - GenericResultAtLocation [Line: 518]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [518] - GenericResultAtLocation [Line: 553]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [553] - GenericResultAtLocation [Line: 919]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [919] * 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: 320]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L325] int cleanupTimeShifts = 4; [L425] int waterLevel = 1; [L426] int methaneLevelCritical = 0; [L723] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L401] int retValue_acc ; [L402] int tmp ; [L406] FCALL select_helpers() [L407] FCALL select_features() [L408] CALL, EXPR valid_product() [L545] int retValue_acc ; [L548] retValue_acc = 1 [L549] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L408] RET, EXPR valid_product() [L408] tmp = valid_product() [L410] COND TRUE \read(tmp) [L412] FCALL setup() [L413] CALL runTest() [L392] 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] [L443] COND TRUE waterLevel < 2 [L444] 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 FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, 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=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L110] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L138] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L145] COND TRUE \read(systemActive) [L147] CALL processEnvironment() [L167] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L170] COND TRUE ! pumpRunning [L172] CALL, EXPR isHighWaterLevel() [L282] int retValue_acc ; [L283] int tmp ; [L284] int tmp___0 ; [L288] CALL, EXPR isHighWaterSensorDry() [L505] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L508] COND FALSE !(waterLevel < 2) [L512] retValue_acc = 0 [L513] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L288] RET, EXPR isHighWaterSensorDry() [L288] tmp = isHighWaterSensorDry() [L290] COND FALSE !(\read(tmp)) [L293] tmp___0 = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp___0=1, waterLevel=2] [L295] retValue_acc = tmp___0 [L296] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L172] RET, EXPR isHighWaterLevel() [L172] tmp = isHighWaterLevel() [L174] COND TRUE \read(tmp) [L176] CALL activatePump() [L201] int tmp ; [L205] CALL, EXPR isMethaneAlarm() [L226] int retValue_acc ; [L230] CALL, EXPR isMethaneLevelCritical() [L464] int retValue_acc ; [L467] retValue_acc = methaneLevelCritical [L468] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L230] RET, EXPR isMethaneLevelCritical() [L230] retValue_acc = isMethaneLevelCritical() [L232] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L205] RET, EXPR isMethaneAlarm() [L205] tmp = isMethaneAlarm() [L207] COND FALSE !(\read(tmp)) [L211] CALL activatePump__wrappee__highWaterSensor() [L195] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L211] RET activatePump__wrappee__highWaterSensor() [L176] RET activatePump() [L147] RET processEnvironment() [L153] CALL __utac_acc__Specification4_spec__1() [L921] int tmp ; [L922] int tmp___0 ; [L926] CALL, EXPR getWaterLevel() [L496] int retValue_acc ; [L499] retValue_acc = waterLevel [L500] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L926] RET, EXPR getWaterLevel() [L926] tmp = getWaterLevel() [L928] COND FALSE !(tmp == 0) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L153] RET __utac_acc__Specification4_spec__1() [L110] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2] [L67] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2] [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2] [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, 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=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2] [L110] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L138] COND TRUE \read(pumpRunning) [L140] CALL lowerWaterLevel() [L431] COND TRUE waterLevel > 0 [L432] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L140] RET lowerWaterLevel() [L145] COND TRUE \read(systemActive) [L147] CALL processEnvironment() [L167] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L170] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L185] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L147] RET processEnvironment() [L153] CALL __utac_acc__Specification4_spec__1() [L921] int tmp ; [L922] int tmp___0 ; [L926] CALL, EXPR getWaterLevel() [L496] int retValue_acc ; [L499] retValue_acc = waterLevel [L500] return (retValue_acc); VAL [\old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L926] RET, EXPR getWaterLevel() [L926] tmp = getWaterLevel() [L928] COND FALSE !(tmp == 0) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L153] RET __utac_acc__Specification4_spec__1() [L110] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1] [L67] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1] [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1] [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1] [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1] [L110] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L138] COND TRUE \read(pumpRunning) [L140] CALL lowerWaterLevel() [L431] COND TRUE waterLevel > 0 [L432] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L140] RET lowerWaterLevel() [L145] COND TRUE \read(systemActive) [L147] CALL processEnvironment() [L167] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L170] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L185] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L147] RET processEnvironment() [L153] CALL __utac_acc__Specification4_spec__1() [L921] int tmp ; [L922] int tmp___0 ; [L926] CALL, EXPR getWaterLevel() [L496] int retValue_acc ; [L499] retValue_acc = waterLevel [L500] return (retValue_acc); VAL [\old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L926] RET, EXPR getWaterLevel() [L926] tmp = getWaterLevel() [L928] COND TRUE tmp == 0 [L930] CALL, EXPR isPumpRunning() [L237] int retValue_acc ; [L240] retValue_acc = pumpRunning [L241] return (retValue_acc); VAL [\old(pumpRunning)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L930] RET, EXPR isPumpRunning() [L930] tmp___0 = isPumpRunning() [L932] COND TRUE \read(tmp___0) [L934] CALL __automaton_fail() [L320] reach_error() VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 480 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 477 mSDsluCounter, 2646 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1810 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 241 IncrementalHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 836 mSDtfsCounter, 241 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 183 GetRequests, 140 SyntacticMatches, 5 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=617occurred in iteration=10, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 92 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 479 NumberOfCodeBlocks, 479 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 444 ConstructedInterpolants, 0 QuantifiedInterpolants, 809 SizeOfPredicates, 2 NumberOfNonLiveVariables, 240 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 33/45 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! [2024-12-02 14:40:21,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2e526f-0df5-450b-8ef3-3b30571f862f/bin/uautomizer-verify-84ZbGMXZE1/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