./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product16.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_d7375c3c-56c3-47b9-8664-f7893b2b95cf/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7375c3c-56c3-47b9-8664-f7893b2b95cf/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7375c3c-56c3-47b9-8664-f7893b2b95cf/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7375c3c-56c3-47b9-8664-f7893b2b95cf/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7375c3c-56c3-47b9-8664-f7893b2b95cf/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7375c3c-56c3-47b9-8664-f7893b2b95cf/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4fdaba9a943be1a84417ec0186b85075ad2a6a54eeb9563391984670e62b2cee --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:38:46,204 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:38:46,300 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7375c3c-56c3-47b9-8664-f7893b2b95cf/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 23:38:46,306 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:38:46,307 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:38:46,340 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:38:46,341 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:38:46,341 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:38:46,341 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:38:46,341 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:38:46,342 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:38:46,342 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:38:46,342 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:38:46,342 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:38:46,343 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:38:46,343 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:38:46,343 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:38:46,343 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:38:46,343 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:38:46,343 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:38:46,343 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:38:46,343 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:38:46,343 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:38:46,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:38:46,344 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:38:46,344 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:38:46,344 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:38:46,344 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:38:46,344 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:38:46,344 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:38:46,344 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:38:46,344 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:38:46,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:38:46,345 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:38:46,345 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:38:46,345 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:38:46,345 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:38:46,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:38:46,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:38:46,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:38:46,345 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:38:46,347 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:38:46,347 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:38:46,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:38:46,347 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:38:46,348 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:38:46,348 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:38:46,348 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:38:46,348 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_d7375c3c-56c3-47b9-8664-f7893b2b95cf/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fdaba9a943be1a84417ec0186b85075ad2a6a54eeb9563391984670e62b2cee [2024-11-27 23:38:46,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:38:46,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:38:46,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:38:46,642 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:38:46,643 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:38:46,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7375c3c-56c3-47b9-8664-f7893b2b95cf/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c [2024-11-27 23:38:49,607 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7375c3c-56c3-47b9-8664-f7893b2b95cf/bin/uautomizer-verify-aQ6SnzHsRB/data/7765d9e4a/473c82c0e4804624b6b082aaf4eb73ac/FLAG276877c0c [2024-11-27 23:38:49,984 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:38:49,985 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7375c3c-56c3-47b9-8664-f7893b2b95cf/sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c [2024-11-27 23:38:50,009 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7375c3c-56c3-47b9-8664-f7893b2b95cf/bin/uautomizer-verify-aQ6SnzHsRB/data/7765d9e4a/473c82c0e4804624b6b082aaf4eb73ac/FLAG276877c0c [2024-11-27 23:38:50,032 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7375c3c-56c3-47b9-8664-f7893b2b95cf/bin/uautomizer-verify-aQ6SnzHsRB/data/7765d9e4a/473c82c0e4804624b6b082aaf4eb73ac [2024-11-27 23:38:50,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:38:50,035 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:38:50,036 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:38:50,037 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:38:50,042 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:38:50,042 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:38:50" (1/1) ... [2024-11-27 23:38:50,043 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bead49a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:50, skipping insertion in model container [2024-11-27 23:38:50,043 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:38:50" (1/1) ... [2024-11-27 23:38:50,083 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:38:50,283 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_d7375c3c-56c3-47b9-8664-f7893b2b95cf/sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c[1605,1618] [2024-11-27 23:38:50,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:38:50,482 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:38:50,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-27 23:38:50,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [58] [2024-11-27 23:38:50,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [162] [2024-11-27 23:38:50,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [528] [2024-11-27 23:38:50,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [599] [2024-11-27 23:38:50,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [779] [2024-11-27 23:38:50,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [814] [2024-11-27 23:38:50,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [895] [2024-11-27 23:38:50,503 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_d7375c3c-56c3-47b9-8664-f7893b2b95cf/sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c[1605,1618] [2024-11-27 23:38:50,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:38:50,627 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:38:50,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:50 WrapperNode [2024-11-27 23:38:50,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:38:50,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:38:50,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:38:50,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:38:50,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:50" (1/1) ... [2024-11-27 23:38:50,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:50" (1/1) ... [2024-11-27 23:38:50,677 INFO L138 Inliner]: procedures = 53, calls = 98, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 156 [2024-11-27 23:38:50,677 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:38:50,678 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:38:50,678 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:38:50,678 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:38:50,688 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:50" (1/1) ... [2024-11-27 23:38:50,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:50" (1/1) ... [2024-11-27 23:38:50,694 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:50" (1/1) ... [2024-11-27 23:38:50,714 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-27 23:38:50,714 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:50" (1/1) ... [2024-11-27 23:38:50,714 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:50" (1/1) ... [2024-11-27 23:38:50,726 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:50" (1/1) ... [2024-11-27 23:38:50,727 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:50" (1/1) ... [2024-11-27 23:38:50,733 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:50" (1/1) ... [2024-11-27 23:38:50,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:50" (1/1) ... [2024-11-27 23:38:50,740 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:50" (1/1) ... [2024-11-27 23:38:50,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:38:50,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:38:50,743 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:38:50,743 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:38:50,744 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:50" (1/1) ... [2024-11-27 23:38:50,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:38:50,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7375c3c-56c3-47b9-8664-f7893b2b95cf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:50,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7375c3c-56c3-47b9-8664-f7893b2b95cf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:38:50,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7375c3c-56c3-47b9-8664-f7893b2b95cf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:38:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:38:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-27 23:38:50,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-27 23:38:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-27 23:38:50,809 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-27 23:38:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-27 23:38:50,810 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-27 23:38:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-27 23:38:50,810 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-27 23:38:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-11-27 23:38:50,811 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-11-27 23:38:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-11-27 23:38:50,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-11-27 23:38:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-27 23:38:50,813 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-27 23:38:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:38:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-27 23:38:50,814 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-27 23:38:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:38:50,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:38:50,893 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:38:50,895 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:38:51,267 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-27 23:38:51,267 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:38:51,285 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:38:51,285 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-27 23:38:51,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:38:51 BoogieIcfgContainer [2024-11-27 23:38:51,286 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:38:51,292 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:38:51,292 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:38:51,297 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:38:51,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:38:50" (1/3) ... [2024-11-27 23:38:51,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd654e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:38:51, skipping insertion in model container [2024-11-27 23:38:51,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:50" (2/3) ... [2024-11-27 23:38:51,299 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd654e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:38:51, skipping insertion in model container [2024-11-27 23:38:51,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:38:51" (3/3) ... [2024-11-27 23:38:51,300 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product16.cil.c [2024-11-27 23:38:51,320 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:38:51,323 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec3_product16.cil.c that has 9 procedures, 84 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-27 23:38:51,407 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:38:51,425 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;@396bc10, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:38:51,425 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 23:38:51,433 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 68 states have internal predecessors, (84), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:38:51,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-27 23:38:51,444 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:51,445 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] [2024-11-27 23:38:51,445 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:51,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:51,455 INFO L85 PathProgramCache]: Analyzing trace with hash 201254306, now seen corresponding path program 1 times [2024-11-27 23:38:51,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:51,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585948756] [2024-11-27 23:38:51,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:51,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:51,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:38:51,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:51,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585948756] [2024-11-27 23:38:51,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585948756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:51,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:51,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:38:51,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559239496] [2024-11-27 23:38:51,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:51,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 23:38:51,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:51,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:38:51,732 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:38:51,735 INFO L87 Difference]: Start difference. First operand has 84 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 68 states have internal predecessors, (84), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:38:51,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:51,795 INFO L93 Difference]: Finished difference Result 160 states and 215 transitions. [2024-11-27 23:38:51,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:38:51,798 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-27 23:38:51,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:51,809 INFO L225 Difference]: With dead ends: 160 [2024-11-27 23:38:51,810 INFO L226 Difference]: Without dead ends: 75 [2024-11-27 23:38:51,816 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:38:51,823 INFO L435 NwaCegarLoop]: 104 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, 104 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:51,823 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:38:51,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-27 23:38:51,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-27 23:38:51,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 60 states have internal predecessors, (70), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:38:51,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 95 transitions. [2024-11-27 23:38:51,882 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 95 transitions. Word has length 25 [2024-11-27 23:38:51,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:51,883 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 95 transitions. [2024-11-27 23:38:51,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:38:51,883 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 95 transitions. [2024-11-27 23:38:51,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-27 23:38:51,887 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:51,887 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] [2024-11-27 23:38:51,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 23:38:51,888 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:51,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:51,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1122764878, now seen corresponding path program 1 times [2024-11-27 23:38:51,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:51,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225737946] [2024-11-27 23:38:51,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:51,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:52,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:38:52,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:52,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225737946] [2024-11-27 23:38:52,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225737946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:52,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:52,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:38:52,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604164951] [2024-11-27 23:38:52,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:52,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:38:52,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:52,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:38:52,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:38:52,082 INFO L87 Difference]: Start difference. First operand 75 states and 95 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:38:52,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:52,109 INFO L93 Difference]: Finished difference Result 113 states and 141 transitions. [2024-11-27 23:38:52,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:38:52,110 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-27 23:38:52,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:52,113 INFO L225 Difference]: With dead ends: 113 [2024-11-27 23:38:52,113 INFO L226 Difference]: Without dead ends: 67 [2024-11-27 23:38:52,113 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:38:52,114 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 17 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:52,115 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 145 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:38:52,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-27 23:38:52,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-27 23:38:52,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 55 states have internal predecessors, (64), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-27 23:38:52,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 84 transitions. [2024-11-27 23:38:52,128 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 84 transitions. Word has length 25 [2024-11-27 23:38:52,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:52,129 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 84 transitions. [2024-11-27 23:38:52,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:38:52,129 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2024-11-27 23:38:52,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-27 23:38:52,130 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:52,130 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] [2024-11-27 23:38:52,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 23:38:52,131 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:52,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:52,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1011573658, now seen corresponding path program 1 times [2024-11-27 23:38:52,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:52,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993730755] [2024-11-27 23:38:52,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:52,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:52,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:38:52,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:52,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993730755] [2024-11-27 23:38:52,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993730755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:52,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:52,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:38:52,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458577234] [2024-11-27 23:38:52,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:52,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:38:52,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:52,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:38:52,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:38:52,390 INFO L87 Difference]: Start difference. First operand 67 states and 84 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:38:52,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:52,489 INFO L93 Difference]: Finished difference Result 170 states and 218 transitions. [2024-11-27 23:38:52,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:38:52,490 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-11-27 23:38:52,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:52,491 INFO L225 Difference]: With dead ends: 170 [2024-11-27 23:38:52,491 INFO L226 Difference]: Without dead ends: 110 [2024-11-27 23:38:52,492 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:38:52,493 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 77 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:52,493 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 341 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:38:52,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-27 23:38:52,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 107. [2024-11-27 23:38:52,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 79 states have (on average 1.3417721518987342) internal successors, (106), 88 states have internal predecessors, (106), 15 states have call successors, (15), 12 states have call predecessors, (15), 12 states have return successors, (16), 12 states have call predecessors, (16), 15 states have call successors, (16) [2024-11-27 23:38:52,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 137 transitions. [2024-11-27 23:38:52,516 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 137 transitions. Word has length 30 [2024-11-27 23:38:52,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:52,516 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 137 transitions. [2024-11-27 23:38:52,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:38:52,516 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 137 transitions. [2024-11-27 23:38:52,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-27 23:38:52,522 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:52,522 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] [2024-11-27 23:38:52,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:38:52,522 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:52,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:52,523 INFO L85 PathProgramCache]: Analyzing trace with hash -266812655, now seen corresponding path program 1 times [2024-11-27 23:38:52,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:52,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475970857] [2024-11-27 23:38:52,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:52,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:52,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:38:52,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:52,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475970857] [2024-11-27 23:38:52,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475970857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:52,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:52,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:38:52,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898590987] [2024-11-27 23:38:52,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:52,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:38:52,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:52,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:38:52,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:38:52,802 INFO L87 Difference]: Start difference. First operand 107 states and 137 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:38:52,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:52,940 INFO L93 Difference]: Finished difference Result 295 states and 394 transitions. [2024-11-27 23:38:52,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:38:52,944 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2024-11-27 23:38:52,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:52,947 INFO L225 Difference]: With dead ends: 295 [2024-11-27 23:38:52,947 INFO L226 Difference]: Without dead ends: 195 [2024-11-27 23:38:52,948 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:38:52,949 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 48 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:52,949 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 306 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:38:52,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-27 23:38:53,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2024-11-27 23:38:53,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 142 states have (on average 1.323943661971831) internal successors, (188), 157 states have internal predecessors, (188), 30 states have call successors, (30), 24 states have call predecessors, (30), 22 states have return successors, (35), 22 states have call predecessors, (35), 30 states have call successors, (35) [2024-11-27 23:38:53,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 253 transitions. [2024-11-27 23:38:53,010 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 253 transitions. Word has length 33 [2024-11-27 23:38:53,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:53,015 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 253 transitions. [2024-11-27 23:38:53,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:38:53,015 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 253 transitions. [2024-11-27 23:38:53,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-27 23:38:53,021 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:53,021 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] [2024-11-27 23:38:53,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:38:53,021 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:53,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:53,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1219040425, now seen corresponding path program 1 times [2024-11-27 23:38:53,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:53,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582850163] [2024-11-27 23:38:53,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:53,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:38:53,090 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:38:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:38:53,149 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 23:38:53,149 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 23:38:53,152 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 23:38:53,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 23:38:53,157 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-27 23:38:53,215 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 23:38:53,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:38:53 BoogieIcfgContainer [2024-11-27 23:38:53,218 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 23:38:53,219 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 23:38:53,219 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 23:38:53,220 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 23:38:53,220 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:38:51" (3/4) ... [2024-11-27 23:38:53,221 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-27 23:38:53,291 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 31. [2024-11-27 23:38:53,374 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7375c3c-56c3-47b9-8664-f7893b2b95cf/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 23:38:53,377 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7375c3c-56c3-47b9-8664-f7893b2b95cf/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 23:38:53,377 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 23:38:53,378 INFO L158 Benchmark]: Toolchain (without parser) took 3342.99ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 77.5MB in the end (delta: 14.4MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2024-11-27 23:38:53,379 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:38:53,379 INFO L158 Benchmark]: CACSL2BoogieTranslator took 593.78ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 73.4MB in the end (delta: 18.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:38:53,379 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.53ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 71.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:38:53,379 INFO L158 Benchmark]: Boogie Preprocessor took 64.23ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 69.9MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:38:53,380 INFO L158 Benchmark]: RCFGBuilder took 542.83ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 54.8MB in the end (delta: 15.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:38:53,380 INFO L158 Benchmark]: TraceAbstraction took 1926.79ms. Allocated memory is still 117.4MB. Free memory was 54.3MB in the beginning and 84.5MB in the end (delta: -30.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:38:53,380 INFO L158 Benchmark]: Witness Printer took 158.36ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 77.5MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:38:53,383 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 593.78ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 73.4MB in the end (delta: 18.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.53ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 71.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.23ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 69.9MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 542.83ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 54.8MB in the end (delta: 15.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1926.79ms. Allocated memory is still 117.4MB. Free memory was 54.3MB in the beginning and 84.5MB in the end (delta: -30.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 158.36ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 77.5MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [58] - GenericResultAtLocation [Line: 162]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [162] - GenericResultAtLocation [Line: 528]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [528] - GenericResultAtLocation [Line: 599]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [599] - GenericResultAtLocation [Line: 779]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [779] - GenericResultAtLocation [Line: 814]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [814] - GenericResultAtLocation [Line: 895]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [895] * 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: 54]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L59] int cleanupTimeShifts = 4; [L332] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L606] int pumpRunning = 0; [L607] int systemActive = 1; [L816] int waterLevel = 1; [L817] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L140] int retValue_acc ; [L141] int tmp ; [L145] FCALL select_helpers() [L146] FCALL select_features() [L147] CALL, EXPR valid_product() [L806] int retValue_acc ; [L809] retValue_acc = 1 [L810] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L147] RET, EXPR valid_product() [L147] tmp = valid_product() [L149] COND TRUE \read(tmp) [L151] FCALL setup() [L152] CALL runTest() [L131] CALL test() [L532] int splverifierCounter ; [L533] int tmp ; [L534] int tmp___0 ; [L535] int tmp___1 ; [L536] int tmp___2 ; [L539] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L543] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L549] tmp = __VERIFIER_nondet_int() [L551] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L553] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L834] COND TRUE waterLevel < 2 [L835] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L553] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L559] tmp___0 = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L569] tmp___2 = __VERIFIER_nondet_int() [L571] COND FALSE !(\read(tmp___2)) [L577] tmp___1 = __VERIFIER_nondet_int() [L579] COND TRUE \read(tmp___1) [L581] CALL stopSystem() [L760] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L767] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L581] RET stopSystem() [L588] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L614] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L621] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L629] CALL __utac_acc__Specification3_spec__1() [L897] int tmp ; [L898] int tmp___0 ; [L899] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L903] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L855] int retValue_acc ; [L858] retValue_acc = methaneLevelCritical [L859] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L903] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L903] tmp = isMethaneLevelCritical() [L905] COND FALSE !(\read(tmp)) [L909] CALL, EXPR getWaterLevel() [L887] int retValue_acc ; [L890] retValue_acc = waterLevel [L891] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L909] RET, EXPR getWaterLevel() [L909] tmp___0 = getWaterLevel() [L911] COND TRUE tmp___0 == 2 [L913] CALL, EXPR isPumpRunning() [L712] int retValue_acc ; [L715] retValue_acc = pumpRunning [L716] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L913] RET, EXPR isPumpRunning() [L913] tmp___1 = isPumpRunning() [L915] COND FALSE !(\read(tmp___1)) [L919] CALL __automaton_fail() [L54] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 146 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 142 mSDsluCounter, 896 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 533 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 363 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=195occurred in iteration=4, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 179 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-27 23:38:53,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7375c3c-56c3-47b9-8664-f7893b2b95cf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE