./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product25.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_9aa4818e-55ba-4590-b230-65b3ea26c08e/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4818e-55ba-4590-b230-65b3ea26c08e/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_9aa4818e-55ba-4590-b230-65b3ea26c08e/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4818e-55ba-4590-b230-65b3ea26c08e/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product25.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4818e-55ba-4590-b230-65b3ea26c08e/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_9aa4818e-55ba-4590-b230-65b3ea26c08e/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 b0678eea090fef0bcc10ffbdca11480c233dd2ce2b3443f1732fce22c8f8a1c9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:16:52,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:16:52,741 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4818e-55ba-4590-b230-65b3ea26c08e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 05:16:52,747 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:16:52,747 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:16:52,773 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:16:52,774 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:16:52,774 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:16:52,775 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:16:52,775 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:16:52,775 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:16:52,775 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:16:52,776 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:16:52,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:16:52,777 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:16:52,778 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:16:52,778 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:16:52,778 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:16:52,779 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:16:52,779 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:16:52,779 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:16:52,779 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:16:52,780 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:16:52,780 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:16:52,780 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:16:52,780 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:16:52,780 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:16:52,780 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:16:52,780 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:16:52,780 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:16:52,780 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:16:52,781 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:16:52,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:16:52,781 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:16:52,781 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:16:52,781 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:16:52,781 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:16:52,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:16:52,781 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:16:52,781 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:16:52,781 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:16:52,782 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:16:52,782 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:16:52,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:16:52,782 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:16:52,782 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:16:52,782 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:16:52,782 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:16:52,782 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_9aa4818e-55ba-4590-b230-65b3ea26c08e/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 -> b0678eea090fef0bcc10ffbdca11480c233dd2ce2b3443f1732fce22c8f8a1c9 [2024-11-28 05:16:53,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:16:53,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:16:53,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:16:53,118 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:16:53,118 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:16:53,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4818e-55ba-4590-b230-65b3ea26c08e/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/minepump_spec5_product25.cil.c [2024-11-28 05:16:56,563 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4818e-55ba-4590-b230-65b3ea26c08e/bin/uautomizer-verify-aQ6SnzHsRB/data/8557636e7/9662916810e24528a471dbe962b533ac/FLAGd4168d26d [2024-11-28 05:16:56,863 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:16:56,864 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4818e-55ba-4590-b230-65b3ea26c08e/sv-benchmarks/c/product-lines/minepump_spec5_product25.cil.c [2024-11-28 05:16:56,884 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4818e-55ba-4590-b230-65b3ea26c08e/bin/uautomizer-verify-aQ6SnzHsRB/data/8557636e7/9662916810e24528a471dbe962b533ac/FLAGd4168d26d [2024-11-28 05:16:56,900 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4818e-55ba-4590-b230-65b3ea26c08e/bin/uautomizer-verify-aQ6SnzHsRB/data/8557636e7/9662916810e24528a471dbe962b533ac [2024-11-28 05:16:56,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:16:56,904 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:16:56,906 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:16:56,906 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:16:56,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:16:56,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:16:56" (1/1) ... [2024-11-28 05:16:56,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27003d6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:56, skipping insertion in model container [2024-11-28 05:16:56,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:16:56" (1/1) ... [2024-11-28 05:16:56,964 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:16:57,166 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_9aa4818e-55ba-4590-b230-65b3ea26c08e/sv-benchmarks/c/product-lines/minepump_spec5_product25.cil.c[2141,2154] [2024-11-28 05:16:57,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:16:57,366 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:16:57,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-28 05:16:57,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] [2024-11-28 05:16:57,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [96] [2024-11-28 05:16:57,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [280] [2024-11-28 05:16:57,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [348] [2024-11-28 05:16:57,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [446] [2024-11-28 05:16:57,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [536] [2024-11-28 05:16:57,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [902] [2024-11-28 05:16:57,393 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_9aa4818e-55ba-4590-b230-65b3ea26c08e/sv-benchmarks/c/product-lines/minepump_spec5_product25.cil.c[2141,2154] [2024-11-28 05:16:57,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:16:57,508 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:16:57,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:57 WrapperNode [2024-11-28 05:16:57,509 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:16:57,510 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:16:57,510 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:16:57,510 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:16:57,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:57" (1/1) ... [2024-11-28 05:16:57,533 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:57" (1/1) ... [2024-11-28 05:16:57,559 INFO L138 Inliner]: procedures = 55, calls = 98, calls flagged for inlining = 24, calls inlined = 18, statements flattened = 170 [2024-11-28 05:16:57,559 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:16:57,560 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:16:57,560 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:16:57,560 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:16:57,569 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:57" (1/1) ... [2024-11-28 05:16:57,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:57" (1/1) ... [2024-11-28 05:16:57,572 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:57" (1/1) ... [2024-11-28 05:16:57,587 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 05:16:57,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:57" (1/1) ... [2024-11-28 05:16:57,587 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:57" (1/1) ... [2024-11-28 05:16:57,592 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:57" (1/1) ... [2024-11-28 05:16:57,593 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:57" (1/1) ... [2024-11-28 05:16:57,598 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:57" (1/1) ... [2024-11-28 05:16:57,599 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:57" (1/1) ... [2024-11-28 05:16:57,600 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:57" (1/1) ... [2024-11-28 05:16:57,602 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:16:57,602 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:16:57,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:16:57,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:16:57,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:57" (1/1) ... [2024-11-28 05:16:57,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:16:57,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4818e-55ba-4590-b230-65b3ea26c08e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:16:57,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4818e-55ba-4590-b230-65b3ea26c08e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:16:57,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4818e-55ba-4590-b230-65b3ea26c08e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:16:57,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:16:57,671 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-28 05:16:57,671 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-28 05:16:57,671 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-28 05:16:57,672 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-28 05:16:57,672 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-28 05:16:57,672 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-28 05:16:57,672 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-28 05:16:57,673 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-28 05:16:57,673 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2024-11-28 05:16:57,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2024-11-28 05:16:57,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:16:57,674 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-28 05:16:57,674 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-28 05:16:57,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:16:57,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:16:57,754 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:16:57,757 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:16:58,048 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-28 05:16:58,048 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:16:58,060 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:16:58,060 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 05:16:58,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:16:58 BoogieIcfgContainer [2024-11-28 05:16:58,060 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:16:58,063 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:16:58,063 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:16:58,068 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:16:58,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:16:56" (1/3) ... [2024-11-28 05:16:58,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@517181b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:16:58, skipping insertion in model container [2024-11-28 05:16:58,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:57" (2/3) ... [2024-11-28 05:16:58,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@517181b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:16:58, skipping insertion in model container [2024-11-28 05:16:58,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:16:58" (3/3) ... [2024-11-28 05:16:58,071 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product25.cil.c [2024-11-28 05:16:58,087 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:16:58,089 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec5_product25.cil.c that has 7 procedures, 77 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-28 05:16:58,147 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:16:58,159 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;@bf52c51, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:16:58,159 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:16:58,163 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 59 states have (on average 1.3898305084745763) internal successors, (82), 65 states have internal predecessors, (82), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 05:16:58,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-28 05:16:58,171 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:58,172 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:58,172 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:58,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:58,178 INFO L85 PathProgramCache]: Analyzing trace with hash 917647852, now seen corresponding path program 1 times [2024-11-28 05:16:58,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:58,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344254592] [2024-11-28 05:16:58,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:58,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:58,592 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 05:16:58,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:58,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344254592] [2024-11-28 05:16:58,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344254592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:58,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:58,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:16:58,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454346742] [2024-11-28 05:16:58,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:58,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:16:58,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:58,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:16:58,629 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:58,631 INFO L87 Difference]: Start difference. First operand has 77 states, 59 states have (on average 1.3898305084745763) internal successors, (82), 65 states have internal predecessors, (82), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:16:58,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:58,663 INFO L93 Difference]: Finished difference Result 133 states and 178 transitions. [2024-11-28 05:16:58,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:16:58,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-28 05:16:58,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:58,675 INFO L225 Difference]: With dead ends: 133 [2024-11-28 05:16:58,675 INFO L226 Difference]: Without dead ends: 60 [2024-11-28 05:16:58,679 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 05:16:58,683 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 12 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 143 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 05:16:58,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 143 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:16:58,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-28 05:16:58,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-28 05:16:58,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 52 states have internal predecessors, (62), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 05:16:58,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 76 transitions. [2024-11-28 05:16:58,746 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 76 transitions. Word has length 32 [2024-11-28 05:16:58,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:58,747 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 76 transitions. [2024-11-28 05:16:58,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:16:58,749 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2024-11-28 05:16:58,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-28 05:16:58,753 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:58,753 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:58,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:16:58,754 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:58,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:58,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1753415197, now seen corresponding path program 1 times [2024-11-28 05:16:58,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:58,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917952961] [2024-11-28 05:16:58,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:58,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:59,132 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 05:16:59,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:59,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917952961] [2024-11-28 05:16:59,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917952961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:59,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:59,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:16:59,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902750440] [2024-11-28 05:16:59,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:59,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:16:59,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:59,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:16:59,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:16:59,137 INFO L87 Difference]: Start difference. First operand 60 states and 76 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:16:59,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:59,288 INFO L93 Difference]: Finished difference Result 112 states and 145 transitions. [2024-11-28 05:16:59,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:16:59,291 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 36 [2024-11-28 05:16:59,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:59,292 INFO L225 Difference]: With dead ends: 112 [2024-11-28 05:16:59,292 INFO L226 Difference]: Without dead ends: 60 [2024-11-28 05:16:59,293 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 05:16:59,294 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 72 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:59,296 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 184 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:16:59,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-28 05:16:59,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-28 05:16:59,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 47 states have (on average 1.297872340425532) internal successors, (61), 52 states have internal predecessors, (61), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 05:16:59,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 75 transitions. [2024-11-28 05:16:59,312 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 75 transitions. Word has length 36 [2024-11-28 05:16:59,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:59,315 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 75 transitions. [2024-11-28 05:16:59,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:16:59,316 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2024-11-28 05:16:59,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-28 05:16:59,317 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:59,318 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:59,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:16:59,319 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:59,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:59,320 INFO L85 PathProgramCache]: Analyzing trace with hash -74025439, now seen corresponding path program 1 times [2024-11-28 05:16:59,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:59,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054520202] [2024-11-28 05:16:59,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:59,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:59,619 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 05:16:59,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:59,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054520202] [2024-11-28 05:16:59,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054520202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:59,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:59,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:16:59,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509504506] [2024-11-28 05:16:59,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:59,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:16:59,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:59,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:16:59,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:16:59,626 INFO L87 Difference]: Start difference. First operand 60 states and 75 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-28 05:16:59,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:59,758 INFO L93 Difference]: Finished difference Result 100 states and 127 transitions. [2024-11-28 05:16:59,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:16:59,759 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 41 [2024-11-28 05:16:59,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:59,760 INFO L225 Difference]: With dead ends: 100 [2024-11-28 05:16:59,760 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 05:16:59,761 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:16:59,763 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 27 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:59,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 185 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:16:59,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 05:16:59,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 05:16:59,767 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 05:16:59,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 05:16:59,768 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2024-11-28 05:16:59,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:59,768 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:16:59,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-28 05:16:59,768 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 05:16:59,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 05:16:59,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 05:16:59,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:16:59,777 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-28 05:16:59,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 05:17:00,140 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:17:00,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:17:00 BoogieIcfgContainer [2024-11-28 05:17:00,161 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:17:00,162 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:17:00,163 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:17:00,163 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:17:00,164 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:16:58" (3/4) ... [2024-11-28 05:17:00,168 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 05:17:00,176 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-28 05:17:00,176 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-28 05:17:00,176 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-28 05:17:00,176 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-28 05:17:00,176 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-28 05:17:00,176 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2024-11-28 05:17:00,185 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-28 05:17:00,186 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-28 05:17:00,187 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 05:17:00,187 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 05:17:00,188 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 05:17:00,318 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4818e-55ba-4590-b230-65b3ea26c08e/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 05:17:00,319 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4818e-55ba-4590-b230-65b3ea26c08e/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 05:17:00,319 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:17:00,320 INFO L158 Benchmark]: Toolchain (without parser) took 3415.29ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 81.6MB in the end (delta: 10.3MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2024-11-28 05:17:00,321 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 73.6MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:17:00,321 INFO L158 Benchmark]: CACSL2BoogieTranslator took 603.88ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 72.9MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 05:17:00,321 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.40ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 71.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:17:00,321 INFO L158 Benchmark]: Boogie Preprocessor took 41.88ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 69.6MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:17:00,322 INFO L158 Benchmark]: RCFGBuilder took 458.01ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 54.5MB in the end (delta: 15.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:17:00,322 INFO L158 Benchmark]: TraceAbstraction took 2099.02ms. Allocated memory is still 117.4MB. Free memory was 53.8MB in the beginning and 87.6MB in the end (delta: -33.8MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2024-11-28 05:17:00,322 INFO L158 Benchmark]: Witness Printer took 156.35ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 81.6MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:17:00,327 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 73.6MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 603.88ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 72.9MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.40ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 71.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.88ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 69.6MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 458.01ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 54.5MB in the end (delta: 15.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2099.02ms. Allocated memory is still 117.4MB. Free memory was 53.8MB in the beginning and 87.6MB in the end (delta: -33.8MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * Witness Printer took 156.35ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 81.6MB in the end (delta: 6.1MB). 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,"wsllib_check.i","") [87] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [96] - GenericResultAtLocation [Line: 280]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [280] - GenericResultAtLocation [Line: 348]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [348] - GenericResultAtLocation [Line: 446]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [446] - GenericResultAtLocation [Line: 536]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [536] - GenericResultAtLocation [Line: 902]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [902] * 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: 92]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 115 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 111 mSDsluCounter, 512 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 310 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 75 IncrementalHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 202 mSDtfsCounter, 75 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 230 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 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: 293]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-28 05:17:00,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4818e-55ba-4590-b230-65b3ea26c08e/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