./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3d3d13-fceb-4cd9-aa3e-4502c3ae730f/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3d3d13-fceb-4cd9-aa3e-4502c3ae730f/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3d3d13-fceb-4cd9-aa3e-4502c3ae730f/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3d3d13-fceb-4cd9-aa3e-4502c3ae730f/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3d3d13-fceb-4cd9-aa3e-4502c3ae730f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3d3d13-fceb-4cd9-aa3e-4502c3ae730f/bin/uautomizer-verify-VRDe98Ueme --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 dd52ee49877a3a0d48a9689aeac254899fd95defe3d0906597581ea0d45f066f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:44:03,816 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:44:03,952 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3d3d13-fceb-4cd9-aa3e-4502c3ae730f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 10:44:03,962 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:44:03,963 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:44:04,019 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:44:04,020 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:44:04,021 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:44:04,022 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:44:04,029 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:44:04,029 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:44:04,031 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:44:04,032 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:44:04,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:44:04,034 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:44:04,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:44:04,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:44:04,035 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:44:04,036 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:44:04,036 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:44:04,037 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:44:04,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:44:04,038 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:44:04,038 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:44:04,038 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:44:04,039 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:44:04,057 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:44:04,058 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:44:04,058 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:44:04,058 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:44:04,060 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:44:04,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:44:04,060 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:44:04,061 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:44:04,061 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:44:04,061 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:44:04,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:44:04,062 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:44:04,062 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:44:04,062 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:44:04,062 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:44:04,063 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:44:04,063 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3d3d13-fceb-4cd9-aa3e-4502c3ae730f/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3d3d13-fceb-4cd9-aa3e-4502c3ae730f/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd52ee49877a3a0d48a9689aeac254899fd95defe3d0906597581ea0d45f066f [2023-11-26 10:44:04,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:44:04,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:44:04,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:44:04,443 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:44:04,444 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:44:04,445 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3d3d13-fceb-4cd9-aa3e-4502c3ae730f/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c [2023-11-26 10:44:07,770 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:44:08,089 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:44:08,089 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3d3d13-fceb-4cd9-aa3e-4502c3ae730f/sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c [2023-11-26 10:44:08,110 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3d3d13-fceb-4cd9-aa3e-4502c3ae730f/bin/uautomizer-verify-VRDe98Ueme/data/2dd1bc00a/a69b53a5114b4653ad6e040d857ac236/FLAGa21a3a103 [2023-11-26 10:44:08,126 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3d3d13-fceb-4cd9-aa3e-4502c3ae730f/bin/uautomizer-verify-VRDe98Ueme/data/2dd1bc00a/a69b53a5114b4653ad6e040d857ac236 [2023-11-26 10:44:08,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:44:08,130 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:44:08,131 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:44:08,132 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:44:08,137 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:44:08,138 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:44:08" (1/1) ... [2023-11-26 10:44:08,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b17d9ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:08, skipping insertion in model container [2023-11-26 10:44:08,140 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:44:08" (1/1) ... [2023-11-26 10:44:08,188 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:44:08,464 WARN L240 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_cb3d3d13-fceb-4cd9-aa3e-4502c3ae730f/sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c[16321,16334] [2023-11-26 10:44:08,475 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:44:08,487 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:44:08,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-26 10:44:08,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2023-11-26 10:44:08,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [173] [2023-11-26 10:44:08,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [224] [2023-11-26 10:44:08,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [590] [2023-11-26 10:44:08,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [660] [2023-11-26 10:44:08,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [799] [2023-11-26 10:44:08,502 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [808] [2023-11-26 10:44:08,559 WARN L240 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_cb3d3d13-fceb-4cd9-aa3e-4502c3ae730f/sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c[16321,16334] [2023-11-26 10:44:08,565 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:44:08,591 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:44:08,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:08 WrapperNode [2023-11-26 10:44:08,592 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:44:08,593 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:44:08,593 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:44:08,593 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:44:08,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:08" (1/1) ... [2023-11-26 10:44:08,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:08" (1/1) ... [2023-11-26 10:44:08,652 INFO L138 Inliner]: procedures = 53, calls = 94, calls flagged for inlining = 22, calls inlined = 16, statements flattened = 141 [2023-11-26 10:44:08,653 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:44:08,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:44:08,654 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:44:08,654 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:44:08,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:08" (1/1) ... [2023-11-26 10:44:08,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:08" (1/1) ... [2023-11-26 10:44:08,668 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:08" (1/1) ... [2023-11-26 10:44:08,683 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]. [2023-11-26 10:44:08,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:08" (1/1) ... [2023-11-26 10:44:08,683 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:08" (1/1) ... [2023-11-26 10:44:08,689 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:08" (1/1) ... [2023-11-26 10:44:08,694 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:08" (1/1) ... [2023-11-26 10:44:08,696 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:08" (1/1) ... [2023-11-26 10:44:08,697 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:08" (1/1) ... [2023-11-26 10:44:08,700 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:44:08,703 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:44:08,704 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:44:08,705 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:44:08,721 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:08" (1/1) ... [2023-11-26 10:44:08,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:44:08,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3d3d13-fceb-4cd9-aa3e-4502c3ae730f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:08,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3d3d13-fceb-4cd9-aa3e-4502c3ae730f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:08,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3d3d13-fceb-4cd9-aa3e-4502c3ae730f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:44:08,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:44:08,811 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-26 10:44:08,811 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-26 10:44:08,811 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-26 10:44:08,812 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-26 10:44:08,812 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-26 10:44:08,812 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-26 10:44:08,812 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-26 10:44:08,812 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-26 10:44:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:44:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-26 10:44:08,813 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-26 10:44:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:44:08,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:44:08,905 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:44:08,913 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:44:09,283 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:44:09,383 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:44:09,383 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 10:44:09,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:44:09 BoogieIcfgContainer [2023-11-26 10:44:09,384 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:44:09,387 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:44:09,387 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:44:09,390 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:44:09,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:44:08" (1/3) ... [2023-11-26 10:44:09,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24744d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:44:09, skipping insertion in model container [2023-11-26 10:44:09,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:08" (2/3) ... [2023-11-26 10:44:09,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24744d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:44:09, skipping insertion in model container [2023-11-26 10:44:09,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:44:09" (3/3) ... [2023-11-26 10:44:09,393 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product10.cil.c [2023-11-26 10:44:09,413 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:44:09,413 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:44:09,464 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:44:09,471 INFO L357 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, mHoare=true, 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;@3dadc24f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:44:09,471 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:44:09,476 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 36 states have (on average 1.5555555555555556) internal successors, (56), 40 states have internal predecessors, (56), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-26 10:44:09,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-26 10:44:09,487 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:09,489 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:09,489 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:44:09,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:09,497 INFO L85 PathProgramCache]: Analyzing trace with hash 2087395936, now seen corresponding path program 1 times [2023-11-26 10:44:09,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:09,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809628052] [2023-11-26 10:44:09,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:09,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:09,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:44:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:09,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 10:44:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:09,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 10:44:09,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:09,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809628052] [2023-11-26 10:44:09,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809628052] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:44:09,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:44:09,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:44:09,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632899411] [2023-11-26 10:44:09,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:44:09,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:44:09,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:09,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:44:09,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:44:09,733 INFO L87 Difference]: Start difference. First operand has 51 states, 36 states have (on average 1.5555555555555556) internal successors, (56), 40 states have internal predecessors, (56), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2023-11-26 10:44:09,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:09,786 INFO L93 Difference]: Finished difference Result 100 states and 145 transitions. [2023-11-26 10:44:09,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:44:09,788 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 22 [2023-11-26 10:44:09,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:09,796 INFO L225 Difference]: With dead ends: 100 [2023-11-26 10:44:09,797 INFO L226 Difference]: Without dead ends: 46 [2023-11-26 10:44:09,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:44:09,804 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:09,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 55 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:44:09,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-26 10:44:09,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-26 10:44:09,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 33 states have (on average 1.393939393939394) internal successors, (46), 36 states have internal predecessors, (46), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-26 10:44:09,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 61 transitions. [2023-11-26 10:44:09,848 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 61 transitions. Word has length 22 [2023-11-26 10:44:09,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:09,849 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 61 transitions. [2023-11-26 10:44:09,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2023-11-26 10:44:09,849 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2023-11-26 10:44:09,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-26 10:44:09,852 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:09,853 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:09,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:44:09,854 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:44:09,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:09,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1487086291, now seen corresponding path program 1 times [2023-11-26 10:44:09,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:09,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775569455] [2023-11-26 10:44:09,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:09,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:10,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-26 10:44:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:10,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-26 10:44:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:10,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 10:44:10,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:10,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775569455] [2023-11-26 10:44:10,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775569455] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:44:10,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:44:10,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:44:10,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568880155] [2023-11-26 10:44:10,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:44:10,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:44:10,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:10,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:44:10,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:44:10,031 INFO L87 Difference]: Start difference. First operand 46 states and 61 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2023-11-26 10:44:10,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:10,062 INFO L93 Difference]: Finished difference Result 65 states and 85 transitions. [2023-11-26 10:44:10,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:44:10,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 23 [2023-11-26 10:44:10,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:10,064 INFO L225 Difference]: With dead ends: 65 [2023-11-26 10:44:10,065 INFO L226 Difference]: Without dead ends: 38 [2023-11-26 10:44:10,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:44:10,067 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 11 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:10,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 69 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:44:10,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-11-26 10:44:10,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-11-26 10:44:10,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 31 states have internal predecessors, (40), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-26 10:44:10,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 50 transitions. [2023-11-26 10:44:10,076 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 50 transitions. Word has length 23 [2023-11-26 10:44:10,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:10,077 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 50 transitions. [2023-11-26 10:44:10,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2023-11-26 10:44:10,078 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2023-11-26 10:44:10,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-26 10:44:10,079 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:10,079 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-26 10:44:10,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:44:10,080 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:44:10,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:10,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1207952742, now seen corresponding path program 1 times [2023-11-26 10:44:10,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:10,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83176658] [2023-11-26 10:44:10,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:10,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:10,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 10:44:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:10,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 10:44:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:10,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 10:44:10,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:10,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83176658] [2023-11-26 10:44:10,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83176658] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:44:10,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:44:10,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-26 10:44:10,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601639140] [2023-11-26 10:44:10,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:44:10,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 10:44:10,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:10,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 10:44:10,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:44:10,292 INFO L87 Difference]: Start difference. First operand 38 states and 50 transitions. Second operand has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:44:10,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:10,846 INFO L93 Difference]: Finished difference Result 127 states and 175 transitions. [2023-11-26 10:44:10,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-26 10:44:10,847 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (3), 1 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 26 [2023-11-26 10:44:10,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:10,848 INFO L225 Difference]: With dead ends: 127 [2023-11-26 10:44:10,848 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 10:44:10,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2023-11-26 10:44:10,852 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 73 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:10,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 419 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 10:44:10,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 10:44:10,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 10:44:10,854 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) [2023-11-26 10:44:10,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 10:44:10,855 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2023-11-26 10:44:10,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:10,855 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:44:10,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:44:10,856 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 10:44:10,856 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 10:44:10,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 10:44:10,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:44:10,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-26 10:44:10,949 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 120 131) no Hoare annotation was computed. [2023-11-26 10:44:10,950 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 120 131) the Hoare annotation is: true [2023-11-26 10:44:10,950 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed. [2023-11-26 10:44:10,950 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 810 839) no Hoare annotation was computed. [2023-11-26 10:44:10,950 INFO L899 garLoopResultBuilder]: For program point L831(line 831) no Hoare annotation was computed. [2023-11-26 10:44:10,951 INFO L899 garLoopResultBuilder]: For program point L824(lines 824 828) no Hoare annotation was computed. [2023-11-26 10:44:10,951 INFO L902 garLoopResultBuilder]: At program point L824-1(lines 824 828) the Hoare annotation is: true [2023-11-26 10:44:10,951 INFO L902 garLoopResultBuilder]: At program point L820-2(lines 820 834) the Hoare annotation is: true [2023-11-26 10:44:10,951 INFO L902 garLoopResultBuilder]: At program point L816(line 816) the Hoare annotation is: true [2023-11-26 10:44:10,952 INFO L899 garLoopResultBuilder]: For program point L816-1(line 816) no Hoare annotation was computed. [2023-11-26 10:44:10,952 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 810 839) the Hoare annotation is: true [2023-11-26 10:44:10,952 INFO L899 garLoopResultBuilder]: For program point L835(lines 810 839) no Hoare annotation was computed. [2023-11-26 10:44:10,952 INFO L895 garLoopResultBuilder]: At program point L205(line 205) the Hoare annotation is: (= ~pumpRunning~0 ~switchedOnBeforeTS~0) [2023-11-26 10:44:10,953 INFO L899 garLoopResultBuilder]: For program point L205-1(line 205) no Hoare annotation was computed. [2023-11-26 10:44:10,953 INFO L899 garLoopResultBuilder]: For program point L804(line 804) no Hoare annotation was computed. [2023-11-26 10:44:10,953 INFO L899 garLoopResultBuilder]: For program point L681-1(lines 681 687) no Hoare annotation was computed. [2023-11-26 10:44:10,953 INFO L895 garLoopResultBuilder]: At program point L190(line 190) the Hoare annotation is: (or (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2023-11-26 10:44:10,953 INFO L899 garLoopResultBuilder]: For program point L190-1(line 190) no Hoare annotation was computed. [2023-11-26 10:44:10,954 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 217) no Hoare annotation was computed. [2023-11-26 10:44:10,954 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 220) no Hoare annotation was computed. [2023-11-26 10:44:10,954 INFO L899 garLoopResultBuilder]: For program point L203-1(lines 195 223) no Hoare annotation was computed. [2023-11-26 10:44:10,955 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 667 693) the Hoare annotation is: (or (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2023-11-26 10:44:10,956 INFO L899 garLoopResultBuilder]: For program point L100(lines 100 104) no Hoare annotation was computed. [2023-11-26 10:44:10,956 INFO L899 garLoopResultBuilder]: For program point L674(lines 674 680) no Hoare annotation was computed. [2023-11-26 10:44:10,956 INFO L899 garLoopResultBuilder]: For program point L100-2(lines 96 107) no Hoare annotation was computed. [2023-11-26 10:44:10,956 INFO L899 garLoopResultBuilder]: For program point L674-2(lines 670 692) no Hoare annotation was computed. [2023-11-26 10:44:10,957 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 214) no Hoare annotation was computed. [2023-11-26 10:44:10,957 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 667 693) no Hoare annotation was computed. [2023-11-26 10:44:10,957 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 804) no Hoare annotation was computed. [2023-11-26 10:44:10,958 INFO L895 garLoopResultBuilder]: At program point L642-2(lines 634 647) the Hoare annotation is: (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) [2023-11-26 10:44:10,961 INFO L899 garLoopResultBuilder]: For program point L605(lines 604 651) no Hoare annotation was computed. [2023-11-26 10:44:10,965 INFO L899 garLoopResultBuilder]: For program point L634(lines 634 647) no Hoare annotation was computed. [2023-11-26 10:44:10,966 INFO L895 garLoopResultBuilder]: At program point L626(line 626) the Hoare annotation is: (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) [2023-11-26 10:44:10,966 INFO L899 garLoopResultBuilder]: For program point L655(lines 594 659) no Hoare annotation was computed. [2023-11-26 10:44:10,969 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 620) no Hoare annotation was computed. [2023-11-26 10:44:10,970 INFO L899 garLoopResultBuilder]: For program point L614-1(lines 614 620) no Hoare annotation was computed. [2023-11-26 10:44:10,970 INFO L895 garLoopResultBuilder]: At program point L652(lines 603 653) the Hoare annotation is: false [2023-11-26 10:44:10,970 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-26 10:44:10,970 INFO L899 garLoopResultBuilder]: For program point L892(lines 892 899) no Hoare annotation was computed. [2023-11-26 10:44:10,971 INFO L899 garLoopResultBuilder]: For program point L892-2(lines 892 899) no Hoare annotation was computed. [2023-11-26 10:44:10,971 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 630) no Hoare annotation was computed. [2023-11-26 10:44:10,971 INFO L899 garLoopResultBuilder]: For program point L624-1(lines 624 630) no Hoare annotation was computed. [2023-11-26 10:44:10,971 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-26 10:44:10,971 INFO L895 garLoopResultBuilder]: At program point L649(lines 604 651) the Hoare annotation is: (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) [2023-11-26 10:44:10,972 INFO L895 garLoopResultBuilder]: At program point L616(line 616) the Hoare annotation is: (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) [2023-11-26 10:44:10,972 INFO L899 garLoopResultBuilder]: For program point L642(lines 642 646) no Hoare annotation was computed. [2023-11-26 10:44:10,973 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 108 119) no Hoare annotation was computed. [2023-11-26 10:44:10,973 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed. [2023-11-26 10:44:10,973 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 108 119) the Hoare annotation is: true [2023-11-26 10:44:10,973 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 746 754) no Hoare annotation was computed. [2023-11-26 10:44:10,973 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 746 754) the Hoare annotation is: true [2023-11-26 10:44:10,977 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-26 10:44:10,981 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:44:11,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:44:11 BoogieIcfgContainer [2023-11-26 10:44:11,003 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:44:11,005 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:44:11,005 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:44:11,005 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:44:11,006 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:44:09" (3/4) ... [2023-11-26 10:44:11,009 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 10:44:11,013 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-26 10:44:11,014 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-26 10:44:11,014 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-26 10:44:11,015 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-26 10:44:11,015 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-26 10:44:11,023 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-11-26 10:44:11,024 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-26 10:44:11,025 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-26 10:44:11,026 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 10:44:11,026 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 10:44:11,165 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3d3d13-fceb-4cd9-aa3e-4502c3ae730f/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:44:11,165 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3d3d13-fceb-4cd9-aa3e-4502c3ae730f/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 10:44:11,166 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:44:11,166 INFO L158 Benchmark]: Toolchain (without parser) took 3036.10ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 134.5MB in the beginning and 141.2MB in the end (delta: -6.6MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2023-11-26 10:44:11,167 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 123.7MB. Free memory was 96.1MB in the beginning and 96.1MB in the end (delta: 73.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:44:11,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 460.93ms. Allocated memory is still 165.7MB. Free memory was 134.5MB in the beginning and 115.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-26 10:44:11,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.72ms. Allocated memory is still 165.7MB. Free memory was 115.7MB in the beginning and 113.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:44:11,168 INFO L158 Benchmark]: Boogie Preprocessor took 46.46ms. Allocated memory is still 165.7MB. Free memory was 113.6MB in the beginning and 111.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:44:11,168 INFO L158 Benchmark]: RCFGBuilder took 681.45ms. Allocated memory is still 165.7MB. Free memory was 111.5MB in the beginning and 123.8MB in the end (delta: -12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 10:44:11,169 INFO L158 Benchmark]: TraceAbstraction took 1617.40ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 123.8MB in the beginning and 147.4MB in the end (delta: -23.6MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2023-11-26 10:44:11,169 INFO L158 Benchmark]: Witness Printer took 160.85ms. Allocated memory is still 199.2MB. Free memory was 147.4MB in the beginning and 141.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 10:44:11,173 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 123.7MB. Free memory was 96.1MB in the beginning and 96.1MB in the end (delta: 73.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 460.93ms. Allocated memory is still 165.7MB. Free memory was 134.5MB in the beginning and 115.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.72ms. Allocated memory is still 165.7MB. Free memory was 115.7MB in the beginning and 113.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.46ms. Allocated memory is still 165.7MB. Free memory was 113.6MB in the beginning and 111.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 681.45ms. Allocated memory is still 165.7MB. Free memory was 111.5MB in the beginning and 123.8MB in the end (delta: -12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1617.40ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 123.8MB in the beginning and 147.4MB in the end (delta: -23.6MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Witness Printer took 160.85ms. Allocated memory is still 199.2MB. Free memory was 147.4MB in the beginning and 141.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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,"Environment.i","") [87] - GenericResultAtLocation [Line: 173]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [173] - GenericResultAtLocation [Line: 224]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [224] - GenericResultAtLocation [Line: 590]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [590] - GenericResultAtLocation [Line: 660]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [660] - GenericResultAtLocation [Line: 799]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [799] - GenericResultAtLocation [Line: 808]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [808] * 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: 804]: 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, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 89 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 543 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 358 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 294 IncrementalHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 185 mSDtfsCounter, 294 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 61 PreInvPairs, 76 NumberOfFragments, 39 HoareAnnotationTreeSize, 61 FomulaSimplifications, 94 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 104 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 95 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 6/6 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: (splverifierCounter == 0) - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-26 10:44:11,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3d3d13-fceb-4cd9-aa3e-4502c3ae730f/bin/uautomizer-verify-VRDe98Ueme/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