./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product11.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_1ef85e1b-e8c6-46c5-85d5-e04737c027ee/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef85e1b-e8c6-46c5-85d5-e04737c027ee/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_1ef85e1b-e8c6-46c5-85d5-e04737c027ee/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef85e1b-e8c6-46c5-85d5-e04737c027ee/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef85e1b-e8c6-46c5-85d5-e04737c027ee/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_1ef85e1b-e8c6-46c5-85d5-e04737c027ee/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 99857c88a5e40ad3ad2fa6a4e628ec2c8e519c722ca50ab478c6824b27ce30a6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:34:12,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:34:12,131 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef85e1b-e8c6-46c5-85d5-e04737c027ee/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:34:12,137 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:34:12,138 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:34:12,165 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:34:12,166 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:34:12,166 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:34:12,166 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:34:12,167 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:34:12,167 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:34:12,167 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:34:12,167 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:34:12,167 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:34:12,167 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:34:12,168 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:34:12,168 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:34:12,168 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:34:12,168 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:34:12,168 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:34:12,168 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:34:12,168 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:34:12,168 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:34:12,169 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:34:12,169 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:34:12,169 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:34:12,169 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:34:12,169 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:34:12,169 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:34:12,169 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:34:12,169 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:34:12,170 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:34:12,170 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:34:12,170 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:34:12,170 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:34:12,170 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:34:12,170 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:34:12,170 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:34:12,171 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:34:12,171 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:34:12,171 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:34:12,171 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:34:12,171 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:34:12,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:34:12,171 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:34:12,171 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:34:12,172 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:34:12,172 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:34:12,172 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_1ef85e1b-e8c6-46c5-85d5-e04737c027ee/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 -> 99857c88a5e40ad3ad2fa6a4e628ec2c8e519c722ca50ab478c6824b27ce30a6 [2024-11-28 03:34:12,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:34:12,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:34:12,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:34:12,472 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:34:12,472 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:34:12,475 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef85e1b-e8c6-46c5-85d5-e04737c027ee/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2024-11-28 03:34:16,238 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef85e1b-e8c6-46c5-85d5-e04737c027ee/bin/uautomizer-verify-aQ6SnzHsRB/data/1ea94fcd9/73e083904c7945c5aaf2b28acfbb528f/FLAG68ea7ce8c [2024-11-28 03:34:16,679 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:34:16,680 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef85e1b-e8c6-46c5-85d5-e04737c027ee/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2024-11-28 03:34:16,693 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef85e1b-e8c6-46c5-85d5-e04737c027ee/bin/uautomizer-verify-aQ6SnzHsRB/data/1ea94fcd9/73e083904c7945c5aaf2b28acfbb528f/FLAG68ea7ce8c [2024-11-28 03:34:16,868 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef85e1b-e8c6-46c5-85d5-e04737c027ee/bin/uautomizer-verify-aQ6SnzHsRB/data/1ea94fcd9/73e083904c7945c5aaf2b28acfbb528f [2024-11-28 03:34:16,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:34:16,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:34:16,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:34:16,881 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:34:16,887 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:34:16,888 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:34:16" (1/1) ... [2024-11-28 03:34:16,892 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6011a84a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:16, skipping insertion in model container [2024-11-28 03:34:16,892 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:34:16" (1/1) ... [2024-11-28 03:34:16,944 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:34:17,359 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_1ef85e1b-e8c6-46c5-85d5-e04737c027ee/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c[14638,14651] [2024-11-28 03:34:17,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:34:17,420 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:34:17,432 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-28 03:34:17,434 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [87] [2024-11-28 03:34:17,435 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [453] [2024-11-28 03:34:17,435 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [603] [2024-11-28 03:34:17,436 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [673] [2024-11-28 03:34:17,437 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [682] [2024-11-28 03:34:17,437 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [721] [2024-11-28 03:34:17,437 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [802] [2024-11-28 03:34:17,547 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_1ef85e1b-e8c6-46c5-85d5-e04737c027ee/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c[14638,14651] [2024-11-28 03:34:17,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:34:17,598 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:34:17,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:17 WrapperNode [2024-11-28 03:34:17,599 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:34:17,600 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:34:17,602 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:34:17,602 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:34:17,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:17" (1/1) ... [2024-11-28 03:34:17,633 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:17" (1/1) ... [2024-11-28 03:34:17,662 INFO L138 Inliner]: procedures = 52, calls = 93, calls flagged for inlining = 21, calls inlined = 16, statements flattened = 141 [2024-11-28 03:34:17,662 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:34:17,663 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:34:17,663 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:34:17,663 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:34:17,675 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:17" (1/1) ... [2024-11-28 03:34:17,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:17" (1/1) ... [2024-11-28 03:34:17,683 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:17" (1/1) ... [2024-11-28 03:34:17,709 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]. [2024-11-28 03:34:17,709 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:17" (1/1) ... [2024-11-28 03:34:17,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:17" (1/1) ... [2024-11-28 03:34:17,714 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:17" (1/1) ... [2024-11-28 03:34:17,718 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:17" (1/1) ... [2024-11-28 03:34:17,723 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:17" (1/1) ... [2024-11-28 03:34:17,724 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:17" (1/1) ... [2024-11-28 03:34:17,725 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:17" (1/1) ... [2024-11-28 03:34:17,728 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:34:17,729 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:34:17,729 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:34:17,730 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:34:17,731 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:17" (1/1) ... [2024-11-28 03:34:17,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:34:17,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef85e1b-e8c6-46c5-85d5-e04737c027ee/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:17,775 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef85e1b-e8c6-46c5-85d5-e04737c027ee/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:34:17,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef85e1b-e8c6-46c5-85d5-e04737c027ee/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:34:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:34:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-28 03:34:17,827 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-28 03:34:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-28 03:34:17,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-28 03:34:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-28 03:34:17,827 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-28 03:34:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-28 03:34:17,827 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-28 03:34:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:34:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-28 03:34:17,827 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-28 03:34:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:34:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:34:17,934 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:34:17,937 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:34:18,244 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-28 03:34:18,244 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:34:18,262 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:34:18,262 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 03:34:18,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:34:18 BoogieIcfgContainer [2024-11-28 03:34:18,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:34:18,266 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:34:18,266 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:34:18,277 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:34:18,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:34:16" (1/3) ... [2024-11-28 03:34:18,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a2e5240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:34:18, skipping insertion in model container [2024-11-28 03:34:18,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:17" (2/3) ... [2024-11-28 03:34:18,281 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a2e5240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:34:18, skipping insertion in model container [2024-11-28 03:34:18,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:34:18" (3/3) ... [2024-11-28 03:34:18,284 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product11.cil.c [2024-11-28 03:34:18,303 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:34:18,305 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec2_product11.cil.c that has 6 procedures, 66 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-28 03:34:18,403 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:34:18,423 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;@4040779d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:34:18,424 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:34:18,431 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 56 states have internal predecessors, (73), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 03:34:18,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-28 03:34:18,441 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:18,443 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] [2024-11-28 03:34:18,443 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:34:18,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:18,450 INFO L85 PathProgramCache]: Analyzing trace with hash 503433750, now seen corresponding path program 1 times [2024-11-28 03:34:18,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:34:18,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486574700] [2024-11-28 03:34:18,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:18,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:18,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:34:18,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:34:18,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486574700] [2024-11-28 03:34:18,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486574700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:34:18,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:34:18,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:34:18,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7881567] [2024-11-28 03:34:18,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:34:18,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:34:18,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:34:18,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:34:18,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:34:18,865 INFO L87 Difference]: Start difference. First operand has 66 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 56 states have internal predecessors, (73), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) 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) [2024-11-28 03:34:18,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:18,906 INFO L93 Difference]: Finished difference Result 111 states and 148 transitions. [2024-11-28 03:34:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:34:18,910 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 [2024-11-28 03:34:18,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:34:18,917 INFO L225 Difference]: With dead ends: 111 [2024-11-28 03:34:18,917 INFO L226 Difference]: Without dead ends: 49 [2024-11-28 03:34:18,921 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 [2024-11-28 03:34:18,926 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 17 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 108 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 [2024-11-28 03:34:18,927 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 108 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:34:18,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-28 03:34:18,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-28 03:34:18,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 40 states have (on average 1.325) internal successors, (53), 43 states have internal predecessors, (53), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 03:34:18,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 61 transitions. [2024-11-28 03:34:18,968 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 61 transitions. Word has length 25 [2024-11-28 03:34:18,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:34:18,968 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 61 transitions. [2024-11-28 03:34:18,969 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) [2024-11-28 03:34:18,969 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2024-11-28 03:34:18,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-28 03:34:18,970 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:18,970 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] [2024-11-28 03:34:18,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:34:18,971 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:34:18,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:18,972 INFO L85 PathProgramCache]: Analyzing trace with hash -784239664, now seen corresponding path program 1 times [2024-11-28 03:34:18,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:34:18,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969555086] [2024-11-28 03:34:18,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:18,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:19,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:34:19,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:34:19,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969555086] [2024-11-28 03:34:19,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969555086] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:34:19,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:34:19,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:34:19,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183509426] [2024-11-28 03:34:19,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:34:19,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:34:19,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:34:19,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:34:19,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:34:19,286 INFO L87 Difference]: Start difference. First operand 49 states and 61 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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) [2024-11-28 03:34:19,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:19,516 INFO L93 Difference]: Finished difference Result 169 states and 220 transitions. [2024-11-28 03:34:19,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:34:19,517 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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 29 [2024-11-28 03:34:19,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:34:19,524 INFO L225 Difference]: With dead ends: 169 [2024-11-28 03:34:19,524 INFO L226 Difference]: Without dead ends: 128 [2024-11-28 03:34:19,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:34:19,528 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 95 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:34:19,530 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 289 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:34:19,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-28 03:34:19,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 118. [2024-11-28 03:34:19,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 93 states have (on average 1.3763440860215055) internal successors, (128), 100 states have internal predecessors, (128), 12 states have call successors, (12), 12 states have call predecessors, (12), 12 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2024-11-28 03:34:19,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 153 transitions. [2024-11-28 03:34:19,574 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 153 transitions. Word has length 29 [2024-11-28 03:34:19,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:34:19,575 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 153 transitions. [2024-11-28 03:34:19,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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) [2024-11-28 03:34:19,576 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 153 transitions. [2024-11-28 03:34:19,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-28 03:34:19,578 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:19,578 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] [2024-11-28 03:34:19,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:34:19,579 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:34:19,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:19,581 INFO L85 PathProgramCache]: Analyzing trace with hash -503937929, now seen corresponding path program 1 times [2024-11-28 03:34:19,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:34:19,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221268751] [2024-11-28 03:34:19,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:19,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:19,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:34:19,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:34:19,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221268751] [2024-11-28 03:34:19,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221268751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:34:19,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:34:19,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:34:19,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229083943] [2024-11-28 03:34:19,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:34:19,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:34:19,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:34:19,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:34:19,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:34:19,735 INFO L87 Difference]: Start difference. First operand 118 states and 153 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-11-28 03:34:19,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:19,809 INFO L93 Difference]: Finished difference Result 228 states and 306 transitions. [2024-11-28 03:34:19,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:34:19,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 30 [2024-11-28 03:34:19,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:34:19,815 INFO L225 Difference]: With dead ends: 228 [2024-11-28 03:34:19,818 INFO L226 Difference]: Without dead ends: 226 [2024-11-28 03:34:19,819 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:34:19,820 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 37 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:34:19,821 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 109 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:34:19,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-28 03:34:19,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2024-11-28 03:34:19,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 177 states have (on average 1.3785310734463276) internal successors, (244), 190 states have internal predecessors, (244), 24 states have call successors, (24), 24 states have call predecessors, (24), 24 states have return successors, (34), 24 states have call predecessors, (34), 24 states have call successors, (34) [2024-11-28 03:34:19,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 302 transitions. [2024-11-28 03:34:19,876 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 302 transitions. Word has length 30 [2024-11-28 03:34:19,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:34:19,877 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 302 transitions. [2024-11-28 03:34:19,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-11-28 03:34:19,877 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 302 transitions. [2024-11-28 03:34:19,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-28 03:34:19,880 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:19,880 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:34:19,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:34:19,881 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:34:19,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:19,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1819811213, now seen corresponding path program 1 times [2024-11-28 03:34:19,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:34:19,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607826412] [2024-11-28 03:34:19,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:19,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:20,260 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:34:20,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:34:20,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607826412] [2024-11-28 03:34:20,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607826412] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:34:20,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702837984] [2024-11-28 03:34:20,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:20,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:20,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef85e1b-e8c6-46c5-85d5-e04737c027ee/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:20,264 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef85e1b-e8c6-46c5-85d5-e04737c027ee/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:20,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef85e1b-e8c6-46c5-85d5-e04737c027ee/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:34:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:20,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:34:20,384 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:20,593 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-28 03:34:20,593 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:34:20,735 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-28 03:34:20,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702837984] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:34:20,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:34:20,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 4] total 10 [2024-11-28 03:34:20,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349067833] [2024-11-28 03:34:20,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:34:20,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:34:20,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:34:20,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:34:20,739 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:34:20,739 INFO L87 Difference]: Start difference. First operand 226 states and 302 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 03:34:20,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:20,815 INFO L93 Difference]: Finished difference Result 324 states and 438 transitions. [2024-11-28 03:34:20,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:34:20,818 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 54 [2024-11-28 03:34:20,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:34:20,819 INFO L225 Difference]: With dead ends: 324 [2024-11-28 03:34:20,819 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 03:34:20,820 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:34:20,821 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 28 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:34:20,822 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 136 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:34:20,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 03:34:20,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 03:34:20,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:34:20,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 03:34:20,823 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2024-11-28 03:34:20,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:34:20,824 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:34:20,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 03:34:20,824 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:34:20,824 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 03:34:20,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:34:20,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef85e1b-e8c6-46c5-85d5-e04737c027ee/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 03:34:21,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef85e1b-e8c6-46c5-85d5-e04737c027ee/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:21,034 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-28 03:34:21,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 03:34:21,569 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:34:21,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:34:21 BoogieIcfgContainer [2024-11-28 03:34:21,588 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:34:21,589 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:34:21,589 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:34:21,591 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:34:21,591 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:34:18" (3/4) ... [2024-11-28 03:34:21,594 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:34:21,600 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-28 03:34:21,600 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-28 03:34:21,600 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-28 03:34:21,600 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-28 03:34:21,601 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-28 03:34:21,617 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-28 03:34:21,618 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-28 03:34:21,618 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 03:34:21,618 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:34:21,618 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:34:21,710 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef85e1b-e8c6-46c5-85d5-e04737c027ee/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:34:21,711 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef85e1b-e8c6-46c5-85d5-e04737c027ee/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:34:21,711 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:34:21,711 INFO L158 Benchmark]: Toolchain (without parser) took 4836.37ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 84.8MB in the end (delta: 7.2MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. [2024-11-28 03:34:21,712 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 74.4MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:34:21,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 722.47ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 73.6MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:34:21,712 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.85ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 72.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:34:21,713 INFO L158 Benchmark]: Boogie Preprocessor took 65.34ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 70.3MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:34:21,713 INFO L158 Benchmark]: RCFGBuilder took 534.15ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 56.5MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:34:21,713 INFO L158 Benchmark]: TraceAbstraction took 3322.45ms. Allocated memory is still 117.4MB. Free memory was 56.0MB in the beginning and 32.2MB in the end (delta: 23.8MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2024-11-28 03:34:21,714 INFO L158 Benchmark]: Witness Printer took 121.66ms. Allocated memory is still 117.4MB. Free memory was 32.2MB in the beginning and 84.8MB in the end (delta: -52.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:34:21,716 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 74.4MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 722.47ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 73.6MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.85ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 72.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 65.34ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 70.3MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 534.15ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 56.5MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3322.45ms. Allocated memory is still 117.4MB. Free memory was 56.0MB in the beginning and 32.2MB in the end (delta: 23.8MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * Witness Printer took 121.66ms. Allocated memory is still 117.4MB. Free memory was 32.2MB in the beginning and 84.8MB in the end (delta: -52.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [87] - GenericResultAtLocation [Line: 453]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [453] - GenericResultAtLocation [Line: 603]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [603] - GenericResultAtLocation [Line: 673]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [673] - GenericResultAtLocation [Line: 682]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [682] - GenericResultAtLocation [Line: 721]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [721] - GenericResultAtLocation [Line: 802]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [802] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 678]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 180 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 177 mSDsluCounter, 642 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 414 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 65 IncrementalHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 228 mSDtfsCounter, 65 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=226occurred in iteration=3, InterpolantAutomatonStates: 17, 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, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 240 ConstructedInterpolants, 0 QuantifiedInterpolants, 566 SizeOfPredicates, 1 NumberOfNonLiveVariables, 209 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 59/63 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (splverifierCounter == 0)) RESULT: Ultimate proved your program to be correct! [2024-11-28 03:34:21,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef85e1b-e8c6-46c5-85d5-e04737c027ee/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 Result: TRUE