./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product04.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_b80bdf31-c8a6-4a79-ba33-bc595317071f/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80bdf31-c8a6-4a79-ba33-bc595317071f/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_b80bdf31-c8a6-4a79-ba33-bc595317071f/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80bdf31-c8a6-4a79-ba33-bc595317071f/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80bdf31-c8a6-4a79-ba33-bc595317071f/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_b80bdf31-c8a6-4a79-ba33-bc595317071f/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 67e8a37948bd5f43a3fb7848f413432f70349c69c24953f933a261c7c5558ab6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:10:19,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:10:19,571 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80bdf31-c8a6-4a79-ba33-bc595317071f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:10:19,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:10:19,582 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:10:19,610 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:10:19,610 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:10:19,610 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:10:19,611 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:10:19,611 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:10:19,611 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:10:19,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:10:19,611 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:10:19,612 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:10:19,612 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:10:19,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:10:19,612 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:10:19,612 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:10:19,612 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:10:19,612 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:10:19,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:10:19,612 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:10:19,612 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:10:19,613 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:10:19,613 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:10:19,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:10:19,613 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:10:19,613 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:10:19,613 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:10:19,613 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:10:19,613 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:10:19,613 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:10:19,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:10:19,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:10:19,614 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:10:19,614 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:10:19,614 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:10:19,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:10:19,614 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:10:19,614 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:10:19,614 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:10:19,614 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:10:19,614 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:10:19,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:10:19,615 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:10:19,615 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:10:19,615 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:10:19,615 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:10:19,615 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_b80bdf31-c8a6-4a79-ba33-bc595317071f/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 -> 67e8a37948bd5f43a3fb7848f413432f70349c69c24953f933a261c7c5558ab6 [2024-11-28 04:10:19,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:10:19,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:10:19,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:10:19,912 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:10:19,913 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:10:19,914 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80bdf31-c8a6-4a79-ba33-bc595317071f/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2024-11-28 04:10:22,957 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80bdf31-c8a6-4a79-ba33-bc595317071f/bin/uautomizer-verify-aQ6SnzHsRB/data/ff0d34523/77887a7c9512466ea204ad164e339221/FLAG1b2a563cc [2024-11-28 04:10:23,311 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:10:23,312 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80bdf31-c8a6-4a79-ba33-bc595317071f/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2024-11-28 04:10:23,327 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80bdf31-c8a6-4a79-ba33-bc595317071f/bin/uautomizer-verify-aQ6SnzHsRB/data/ff0d34523/77887a7c9512466ea204ad164e339221/FLAG1b2a563cc [2024-11-28 04:10:23,345 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80bdf31-c8a6-4a79-ba33-bc595317071f/bin/uautomizer-verify-aQ6SnzHsRB/data/ff0d34523/77887a7c9512466ea204ad164e339221 [2024-11-28 04:10:23,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:10:23,350 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:10:23,351 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:10:23,351 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:10:23,357 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:10:23,358 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:10:23" (1/1) ... [2024-11-28 04:10:23,359 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b443f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:23, skipping insertion in model container [2024-11-28 04:10:23,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:10:23" (1/1) ... [2024-11-28 04:10:23,406 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:10:23,555 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_b80bdf31-c8a6-4a79-ba33-bc595317071f/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c[1605,1618] [2024-11-28 04:10:23,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:10:23,699 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:10:23,709 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-28 04:10:23,711 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] [2024-11-28 04:10:23,711 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [133] [2024-11-28 04:10:23,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [271] [2024-11-28 04:10:23,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [637] [2024-11-28 04:10:23,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [718] [2024-11-28 04:10:23,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [756] [2024-11-28 04:10:23,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [782] [2024-11-28 04:10:23,719 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_b80bdf31-c8a6-4a79-ba33-bc595317071f/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c[1605,1618] [2024-11-28 04:10:23,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:10:23,854 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:10:23,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:23 WrapperNode [2024-11-28 04:10:23,854 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:10:23,855 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:10:23,856 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:10:23,856 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:10:23,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:23" (1/1) ... [2024-11-28 04:10:23,875 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:23" (1/1) ... [2024-11-28 04:10:23,896 INFO L138 Inliner]: procedures = 51, calls = 91, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 136 [2024-11-28 04:10:23,896 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:10:23,897 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:10:23,897 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:10:23,897 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:10:23,906 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:23" (1/1) ... [2024-11-28 04:10:23,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:23" (1/1) ... [2024-11-28 04:10:23,907 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:23" (1/1) ... [2024-11-28 04:10:23,922 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 04:10:23,922 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:23" (1/1) ... [2024-11-28 04:10:23,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:23" (1/1) ... [2024-11-28 04:10:23,926 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:23" (1/1) ... [2024-11-28 04:10:23,927 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:23" (1/1) ... [2024-11-28 04:10:23,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:23" (1/1) ... [2024-11-28 04:10:23,932 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:23" (1/1) ... [2024-11-28 04:10:23,933 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:23" (1/1) ... [2024-11-28 04:10:23,935 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:10:23,936 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:10:23,936 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:10:23,936 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:10:23,937 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:23" (1/1) ... [2024-11-28 04:10:23,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:10:23,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80bdf31-c8a6-4a79-ba33-bc595317071f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:10:23,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80bdf31-c8a6-4a79-ba33-bc595317071f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:10:23,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80bdf31-c8a6-4a79-ba33-bc595317071f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:10:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:10:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-28 04:10:24,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-28 04:10:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-28 04:10:24,017 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-28 04:10:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-28 04:10:24,018 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-28 04:10:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-28 04:10:24,018 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-28 04:10:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:10:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-28 04:10:24,018 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-28 04:10:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:10:24,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:10:24,109 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:10:24,112 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:10:24,362 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-28 04:10:24,363 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:10:24,375 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:10:24,375 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 04:10:24,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:10:24 BoogieIcfgContainer [2024-11-28 04:10:24,376 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:10:24,378 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:10:24,378 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:10:24,385 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:10:24,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:10:23" (1/3) ... [2024-11-28 04:10:24,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f1a03c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:10:24, skipping insertion in model container [2024-11-28 04:10:24,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:23" (2/3) ... [2024-11-28 04:10:24,387 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f1a03c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:10:24, skipping insertion in model container [2024-11-28 04:10:24,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:10:24" (3/3) ... [2024-11-28 04:10:24,388 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product04.cil.c [2024-11-28 04:10:24,406 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:10:24,407 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec1_product04.cil.c that has 6 procedures, 65 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-28 04:10:24,498 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:10:24,519 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;@5809ebe2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:10:24,520 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:10:24,526 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 51 states have (on average 1.392156862745098) internal successors, (71), 55 states have internal predecessors, (71), 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 04:10:24,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-28 04:10:24,539 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:10:24,540 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:10:24,540 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:10:24,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:10:24,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1083567130, now seen corresponding path program 1 times [2024-11-28 04:10:24,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:10:24,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348913668] [2024-11-28 04:10:24,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:10:24,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:10:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:10:24,844 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 04:10:24,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:10:24,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348913668] [2024-11-28 04:10:24,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348913668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:10:24,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:10:24,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:10:24,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773030155] [2024-11-28 04:10:24,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:10:24,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:10:24,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:10:24,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:10:24,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:10:24,889 INFO L87 Difference]: Start difference. First operand has 65 states, 51 states have (on average 1.392156862745098) internal successors, (71), 55 states have internal predecessors, (71), 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 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:10:24,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:10:24,928 INFO L93 Difference]: Finished difference Result 122 states and 165 transitions. [2024-11-28 04:10:24,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:10:24,932 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-11-28 04:10:24,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:10:24,942 INFO L225 Difference]: With dead ends: 122 [2024-11-28 04:10:24,942 INFO L226 Difference]: Without dead ends: 56 [2024-11-28 04:10:24,947 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:10:24,953 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:10:24,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:10:24,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-28 04:10:24,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-28 04:10:24,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 47 states have internal predecessors, (57), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 04:10:25,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions. [2024-11-28 04:10:25,009 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 70 transitions. Word has length 23 [2024-11-28 04:10:25,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:10:25,010 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 70 transitions. [2024-11-28 04:10:25,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:10:25,011 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2024-11-28 04:10:25,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-28 04:10:25,013 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:10:25,014 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:10:25,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:10:25,015 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:10:25,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:10:25,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1979637932, now seen corresponding path program 1 times [2024-11-28 04:10:25,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:10:25,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689772912] [2024-11-28 04:10:25,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:10:25,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:10:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:10:25,213 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 04:10:25,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:10:25,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689772912] [2024-11-28 04:10:25,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689772912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:10:25,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:10:25,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:10:25,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305346348] [2024-11-28 04:10:25,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:10:25,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:10:25,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:10:25,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:10:25,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:10:25,219 INFO L87 Difference]: Start difference. First operand 56 states and 70 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:10:25,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:10:25,241 INFO L93 Difference]: Finished difference Result 75 states and 92 transitions. [2024-11-28 04:10:25,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:10:25,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-11-28 04:10:25,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:10:25,243 INFO L225 Difference]: With dead ends: 75 [2024-11-28 04:10:25,243 INFO L226 Difference]: Without dead ends: 48 [2024-11-28 04:10:25,244 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 04:10:25,245 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 18 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 95 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 04:10:25,245 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 95 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:10:25,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-28 04:10:25,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-28 04:10:25,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 42 states have internal predecessors, (51), 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 04:10:25,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2024-11-28 04:10:25,262 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 59 transitions. Word has length 23 [2024-11-28 04:10:25,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:10:25,263 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 59 transitions. [2024-11-28 04:10:25,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:10:25,263 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2024-11-28 04:10:25,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-28 04:10:25,264 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:10:25,265 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:10:25,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:10:25,266 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:10:25,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:10:25,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1639205431, now seen corresponding path program 1 times [2024-11-28 04:10:25,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:10:25,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089384584] [2024-11-28 04:10:25,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:10:25,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:10:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:10:25,431 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 04:10:25,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:10:25,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089384584] [2024-11-28 04:10:25,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089384584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:10:25,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:10:25,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:10:25,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351676990] [2024-11-28 04:10:25,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:10:25,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:10:25,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:10:25,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:10:25,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:10:25,467 INFO L87 Difference]: Start difference. First operand 48 states and 59 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 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 04:10:25,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:10:25,516 INFO L93 Difference]: Finished difference Result 128 states and 162 transitions. [2024-11-28 04:10:25,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:10:25,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 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 28 [2024-11-28 04:10:25,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:10:25,518 INFO L225 Difference]: With dead ends: 128 [2024-11-28 04:10:25,518 INFO L226 Difference]: Without dead ends: 87 [2024-11-28 04:10:25,519 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 04:10:25,519 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 38 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:10:25,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 105 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:10:25,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-28 04:10:25,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 82. [2024-11-28 04:10:25,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 65 states have (on average 1.3384615384615384) internal successors, (87), 70 states have internal predecessors, (87), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 04:10:25,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 103 transitions. [2024-11-28 04:10:25,534 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 103 transitions. Word has length 28 [2024-11-28 04:10:25,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:10:25,535 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 103 transitions. [2024-11-28 04:10:25,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 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 04:10:25,535 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 103 transitions. [2024-11-28 04:10:25,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-28 04:10:25,536 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:10:25,536 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 04:10:25,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:10:25,536 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:10:25,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:10:25,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1169060204, now seen corresponding path program 1 times [2024-11-28 04:10:25,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:10:25,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035472739] [2024-11-28 04:10:25,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:10:25,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:10:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:10:25,832 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 04:10:25,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:10:25,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035472739] [2024-11-28 04:10:25,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035472739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:10:25,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:10:25,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:10:25,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005356798] [2024-11-28 04:10:25,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:10:25,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:10:25,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:10:25,835 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:10:25,835 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:10:25,835 INFO L87 Difference]: Start difference. First operand 82 states and 103 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 4 states have internal predecessors, (26), 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 04:10:25,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:10:25,985 INFO L93 Difference]: Finished difference Result 226 states and 294 transitions. [2024-11-28 04:10:25,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:10:25,987 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 4 states have internal predecessors, (26), 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 29 [2024-11-28 04:10:25,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:10:25,990 INFO L225 Difference]: With dead ends: 226 [2024-11-28 04:10:25,993 INFO L226 Difference]: Without dead ends: 151 [2024-11-28 04:10:25,994 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 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 04:10:25,994 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 32 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:10:25,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 256 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:10:25,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-28 04:10:26,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2024-11-28 04:10:26,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 118 states have (on average 1.3220338983050848) internal successors, (156), 127 states have internal predecessors, (156), 16 states have call successors, (16), 16 states have call predecessors, (16), 16 states have return successors, (18), 16 states have call predecessors, (18), 16 states have call successors, (18) [2024-11-28 04:10:26,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 190 transitions. [2024-11-28 04:10:26,040 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 190 transitions. Word has length 29 [2024-11-28 04:10:26,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:10:26,040 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 190 transitions. [2024-11-28 04:10:26,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 4 states have internal predecessors, (26), 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 04:10:26,041 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 190 transitions. [2024-11-28 04:10:26,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-28 04:10:26,042 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:10:26,042 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:10:26,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:10:26,042 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:10:26,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:10:26,047 INFO L85 PathProgramCache]: Analyzing trace with hash -394884176, now seen corresponding path program 1 times [2024-11-28 04:10:26,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:10:26,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851778937] [2024-11-28 04:10:26,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:10:26,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:10:26,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:10:26,172 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 04:10:26,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:10:26,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851778937] [2024-11-28 04:10:26,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851778937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:10:26,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:10:26,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:10:26,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631653487] [2024-11-28 04:10:26,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:10:26,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:10:26,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:10:26,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:10:26,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:10:26,176 INFO L87 Difference]: Start difference. First operand 151 states and 190 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:10:26,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:10:26,266 INFO L93 Difference]: Finished difference Result 283 states and 362 transitions. [2024-11-28 04:10:26,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:10:26,266 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-28 04:10:26,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:10:26,267 INFO L225 Difference]: With dead ends: 283 [2024-11-28 04:10:26,267 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 04:10:26,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:10:26,269 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 04:10:26,270 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 04:10:26,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 04:10:26,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 04:10:26,271 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 04:10:26,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 04:10:26,271 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2024-11-28 04:10:26,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:10:26,271 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:10:26,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:10:26,272 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 04:10:26,272 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 04:10:26,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:10:26,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:10:26,279 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-28 04:10:26,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 04:10:26,939 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:10:26,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:10:26 BoogieIcfgContainer [2024-11-28 04:10:26,957 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:10:26,957 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:10:26,957 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:10:26,958 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:10:26,959 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:10:24" (3/4) ... [2024-11-28 04:10:26,961 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:10:26,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-28 04:10:26,970 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-28 04:10:26,970 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-28 04:10:26,970 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-28 04:10:26,970 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-28 04:10:26,978 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-28 04:10:26,978 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-28 04:10:26,979 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 04:10:26,979 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:10:26,979 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:10:27,092 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80bdf31-c8a6-4a79-ba33-bc595317071f/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:10:27,092 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80bdf31-c8a6-4a79-ba33-bc595317071f/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:10:27,092 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:10:27,094 INFO L158 Benchmark]: Toolchain (without parser) took 3743.61ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 106.0MB in the beginning and 311.1MB in the end (delta: -205.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:10:27,095 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:10:27,095 INFO L158 Benchmark]: CACSL2BoogieTranslator took 503.71ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 88.0MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:10:27,095 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.73ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 86.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:10:27,095 INFO L158 Benchmark]: Boogie Preprocessor took 38.25ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 84.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:10:27,096 INFO L158 Benchmark]: RCFGBuilder took 440.00ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 70.3MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:10:27,096 INFO L158 Benchmark]: TraceAbstraction took 2578.59ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 69.6MB in the beginning and 317.8MB in the end (delta: -248.1MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2024-11-28 04:10:27,096 INFO L158 Benchmark]: Witness Printer took 135.00ms. Allocated memory is still 352.3MB. Free memory was 317.8MB in the beginning and 311.1MB in the end (delta: 6.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:10:27,101 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 503.71ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 88.0MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.73ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 86.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.25ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 84.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 440.00ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 70.3MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2578.59ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 69.6MB in the beginning and 317.8MB in the end (delta: -248.1MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * Witness Printer took 135.00ms. Allocated memory is still 352.3MB. Free memory was 317.8MB in the beginning and 311.1MB in the end (delta: 6.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] - GenericResultAtLocation [Line: 133]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [133] - GenericResultAtLocation [Line: 271]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [271] - GenericResultAtLocation [Line: 637]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [637] - GenericResultAtLocation [Line: 718]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [718] - GenericResultAtLocation [Line: 756]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [756] - GenericResultAtLocation [Line: 782]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [782] * 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: 54]: 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, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 120 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 116 mSDsluCounter, 671 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 373 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 55 IncrementalHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 298 mSDtfsCounter, 55 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=151occurred in iteration=4, InterpolantAutomatonStates: 20, 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, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 131 ConstructedInterpolants, 0 QuantifiedInterpolants, 275 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 74]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) RESULT: Ultimate proved your program to be correct! [2024-11-28 04:10:27,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80bdf31-c8a6-4a79-ba33-bc595317071f/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