./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 9bd2c7ff 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_f5341998-3f89-4430-aee0-886e52d742bf/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5341998-3f89-4430-aee0-886e52d742bf/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5341998-3f89-4430-aee0-886e52d742bf/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5341998-3f89-4430-aee0-886e52d742bf/bin/uautomizer-verify-uCwYo4JHxu/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_f5341998-3f89-4430-aee0-886e52d742bf/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5341998-3f89-4430-aee0-886e52d742bf/bin/uautomizer-verify-uCwYo4JHxu --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 0.2.3-dev-9bd2c7f [2023-11-19 07:55:02,193 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:55:02,269 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5341998-3f89-4430-aee0-886e52d742bf/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:55:02,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:55:02,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:55:02,323 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:55:02,324 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:55:02,325 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:55:02,326 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:55:02,331 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:55:02,333 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:55:02,333 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:55:02,334 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:55:02,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:55:02,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:55:02,337 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:55:02,337 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:55:02,338 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:55:02,339 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:55:02,339 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:55:02,340 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:55:02,340 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:55:02,341 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:55:02,341 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:55:02,342 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:55:02,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:55:02,343 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:55:02,344 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:55:02,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:55:02,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:55:02,346 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:55:02,347 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:55:02,347 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:55:02,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:55:02,348 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:55:02,348 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:55:02,348 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:55:02,349 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:55:02,349 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:55:02,349 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_f5341998-3f89-4430-aee0-886e52d742bf/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5341998-3f89-4430-aee0-886e52d742bf/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67e8a37948bd5f43a3fb7848f413432f70349c69c24953f933a261c7c5558ab6 [2023-11-19 07:55:02,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:55:02,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:55:02,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:55:02,726 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:55:02,727 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:55:02,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5341998-3f89-4430-aee0-886e52d742bf/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2023-11-19 07:55:05,979 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:55:06,208 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:55:06,214 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5341998-3f89-4430-aee0-886e52d742bf/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2023-11-19 07:55:06,233 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5341998-3f89-4430-aee0-886e52d742bf/bin/uautomizer-verify-uCwYo4JHxu/data/23d0364ee/9c6dab1b3e774c338581c547aaeea855/FLAGdedae78e3 [2023-11-19 07:55:06,254 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5341998-3f89-4430-aee0-886e52d742bf/bin/uautomizer-verify-uCwYo4JHxu/data/23d0364ee/9c6dab1b3e774c338581c547aaeea855 [2023-11-19 07:55:06,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:55:06,264 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:55:06,269 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:55:06,270 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:55:06,275 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:55:06,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:06" (1/1) ... [2023-11-19 07:55:06,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67abd6b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:06, skipping insertion in model container [2023-11-19 07:55:06,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:06" (1/1) ... [2023-11-19 07:55:06,347 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:55:06,544 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_f5341998-3f89-4430-aee0-886e52d742bf/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c[1605,1618] [2023-11-19 07:55:06,704 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:55:06,723 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:55:06,738 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-11-19 07:55:06,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] [2023-11-19 07:55:06,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [133] [2023-11-19 07:55:06,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [271] [2023-11-19 07:55:06,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [637] [2023-11-19 07:55:06,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [718] [2023-11-19 07:55:06,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [756] [2023-11-19 07:55:06,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [782] [2023-11-19 07:55:06,760 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_f5341998-3f89-4430-aee0-886e52d742bf/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c[1605,1618] [2023-11-19 07:55:06,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:55:06,867 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:55:06,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:06 WrapperNode [2023-11-19 07:55:06,869 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:55:06,871 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:55:06,871 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:55:06,871 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:55:06,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:06" (1/1) ... [2023-11-19 07:55:06,909 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:06" (1/1) ... [2023-11-19 07:55:06,936 INFO L138 Inliner]: procedures = 51, calls = 91, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 137 [2023-11-19 07:55:06,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:55:06,937 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:55:06,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:55:06,938 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:55:06,948 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:06" (1/1) ... [2023-11-19 07:55:06,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:06" (1/1) ... [2023-11-19 07:55:06,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:06" (1/1) ... [2023-11-19 07:55:06,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:06" (1/1) ... [2023-11-19 07:55:06,957 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:06" (1/1) ... [2023-11-19 07:55:06,961 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:06" (1/1) ... [2023-11-19 07:55:06,963 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:06" (1/1) ... [2023-11-19 07:55:06,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:06" (1/1) ... [2023-11-19 07:55:06,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:55:06,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:55:06,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:55:06,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:55:06,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:06" (1/1) ... [2023-11-19 07:55:06,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:55:06,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5341998-3f89-4430-aee0-886e52d742bf/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:07,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5341998-3f89-4430-aee0-886e52d742bf/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:07,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5341998-3f89-4430-aee0-886e52d742bf/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:55:07,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:55:07,042 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-19 07:55:07,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-19 07:55:07,042 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-19 07:55:07,042 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-19 07:55:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-19 07:55:07,043 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-19 07:55:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-19 07:55:07,043 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-19 07:55:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:55:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-19 07:55:07,044 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-19 07:55:07,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:55:07,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:55:07,121 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:55:07,124 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:55:07,370 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:55:07,379 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:55:07,379 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:55:07,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:07 BoogieIcfgContainer [2023-11-19 07:55:07,383 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:55:07,386 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:55:07,386 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:55:07,389 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:55:07,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:55:06" (1/3) ... [2023-11-19 07:55:07,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c8ed029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:55:07, skipping insertion in model container [2023-11-19 07:55:07,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:06" (2/3) ... [2023-11-19 07:55:07,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c8ed029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:55:07, skipping insertion in model container [2023-11-19 07:55:07,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:07" (3/3) ... [2023-11-19 07:55:07,392 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product04.cil.c [2023-11-19 07:55:07,410 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:55:07,410 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:55:07,464 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:55:07,471 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;@601370be, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:55:07,472 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:55:07,477 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 57 states have internal predecessors, (73), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-19 07:55:07,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 07:55:07,488 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:55:07,489 INFO L195 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] [2023-11-19 07:55:07,497 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:55:07,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:07,524 INFO L85 PathProgramCache]: Analyzing trace with hash -291127646, now seen corresponding path program 1 times [2023-11-19 07:55:07,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:07,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803448603] [2023-11-19 07:55:07,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:07,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:07,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:55:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:07,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:55:07,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:07,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803448603] [2023-11-19 07:55:07,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803448603] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:55:07,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:55:07,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:55:07,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040390892] [2023-11-19 07:55:07,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:55:07,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:55:07,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:07,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:55:07,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:55:07,911 INFO L87 Difference]: Start difference. First operand has 67 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 57 states have internal predecessors, (73), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 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) [2023-11-19 07:55:07,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:55:07,957 INFO L93 Difference]: Finished difference Result 126 states and 169 transitions. [2023-11-19 07:55:07,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:55:07,960 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 [2023-11-19 07:55:07,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:55:07,970 INFO L225 Difference]: With dead ends: 126 [2023-11-19 07:55:07,971 INFO L226 Difference]: Without dead ends: 58 [2023-11-19 07:55:07,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:55:07,981 INFO L413 NwaCegarLoop]: 81 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, 81 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 [2023-11-19 07:55:07,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:55:08,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-19 07:55:08,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-19 07:55:08,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 49 states have internal predecessors, (59), 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) [2023-11-19 07:55:08,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2023-11-19 07:55:08,041 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 23 [2023-11-19 07:55:08,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:55:08,042 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2023-11-19 07:55:08,042 INFO L496 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) [2023-11-19 07:55:08,043 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2023-11-19 07:55:08,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 07:55:08,047 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:55:08,048 INFO L195 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] [2023-11-19 07:55:08,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:55:08,049 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:55:08,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:08,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1914493388, now seen corresponding path program 1 times [2023-11-19 07:55:08,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:08,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939814969] [2023-11-19 07:55:08,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:08,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:08,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-19 07:55:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:08,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:55:08,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:08,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939814969] [2023-11-19 07:55:08,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939814969] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:55:08,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:55:08,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:55:08,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123606839] [2023-11-19 07:55:08,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:55:08,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:55:08,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:08,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:55:08,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:55:08,222 INFO L87 Difference]: Start difference. First operand 58 states and 72 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2023-11-19 07:55:08,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:55:08,235 INFO L93 Difference]: Finished difference Result 77 states and 94 transitions. [2023-11-19 07:55:08,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:55:08,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 24 [2023-11-19 07:55:08,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:55:08,237 INFO L225 Difference]: With dead ends: 77 [2023-11-19 07:55:08,238 INFO L226 Difference]: Without dead ends: 49 [2023-11-19 07:55:08,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:55:08,240 INFO L413 NwaCegarLoop]: 59 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, 96 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 [2023-11-19 07:55:08,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 96 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:55:08,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-19 07:55:08,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-19 07:55:08,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 40 states have (on average 1.3) internal successors, (52), 43 states have internal predecessors, (52), 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) [2023-11-19 07:55:08,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions. [2023-11-19 07:55:08,249 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 60 transitions. Word has length 24 [2023-11-19 07:55:08,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:55:08,250 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 60 transitions. [2023-11-19 07:55:08,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2023-11-19 07:55:08,250 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2023-11-19 07:55:08,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 07:55:08,252 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:55:08,252 INFO L195 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] [2023-11-19 07:55:08,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:55:08,252 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:55:08,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:08,253 INFO L85 PathProgramCache]: Analyzing trace with hash -832804307, now seen corresponding path program 1 times [2023-11-19 07:55:08,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:08,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633369217] [2023-11-19 07:55:08,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:08,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:08,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:55:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:08,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:55:08,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:08,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633369217] [2023-11-19 07:55:08,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633369217] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:55:08,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:55:08,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:55:08,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035893928] [2023-11-19 07:55:08,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:55:08,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:55:08,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:08,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:55:08,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:55:08,353 INFO L87 Difference]: Start difference. First operand 49 states and 60 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:55:08,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:55:08,402 INFO L93 Difference]: Finished difference Result 131 states and 165 transitions. [2023-11-19 07:55:08,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:55:08,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2023-11-19 07:55:08,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:55:08,409 INFO L225 Difference]: With dead ends: 131 [2023-11-19 07:55:08,409 INFO L226 Difference]: Without dead ends: 89 [2023-11-19 07:55:08,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:55:08,412 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 52 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:55:08,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 107 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:55:08,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-11-19 07:55:08,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 84. [2023-11-19 07:55:08,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 67 states have (on average 1.328358208955224) internal successors, (89), 72 states have internal predecessors, (89), 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) [2023-11-19 07:55:08,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 105 transitions. [2023-11-19 07:55:08,429 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 105 transitions. Word has length 29 [2023-11-19 07:55:08,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:55:08,430 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 105 transitions. [2023-11-19 07:55:08,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:55:08,430 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2023-11-19 07:55:08,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 07:55:08,432 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:55:08,432 INFO L195 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] [2023-11-19 07:55:08,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:55:08,432 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:55:08,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:08,433 INFO L85 PathProgramCache]: Analyzing trace with hash 106556984, now seen corresponding path program 1 times [2023-11-19 07:55:08,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:08,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955353931] [2023-11-19 07:55:08,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:08,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:08,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:55:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:08,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:55:08,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:08,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955353931] [2023-11-19 07:55:08,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955353931] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:55:08,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:55:08,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:55:08,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896347852] [2023-11-19 07:55:08,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:55:08,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:55:08,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:08,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:55:08,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:55:08,625 INFO L87 Difference]: Start difference. First operand 84 states and 105 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:55:08,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:55:08,680 INFO L93 Difference]: Finished difference Result 160 states and 203 transitions. [2023-11-19 07:55:08,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:55:08,681 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2023-11-19 07:55:08,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:55:08,681 INFO L225 Difference]: With dead ends: 160 [2023-11-19 07:55:08,681 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:55:08,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:55:08,684 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 34 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:55:08,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 145 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:55:08,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:55:08,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:55:08,686 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) [2023-11-19 07:55:08,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:55:08,687 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2023-11-19 07:55:08,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:55:08,687 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:55:08,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:55:08,688 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:55:08,688 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:55:08,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:55:08,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:55:08,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:55:08,798 INFO L899 garLoopResultBuilder]: For program point L669-1(lines 665 676) no Hoare annotation was computed. [2023-11-19 07:55:08,800 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 665 676) the Hoare annotation is: true [2023-11-19 07:55:08,800 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 665 676) no Hoare annotation was computed. [2023-11-19 07:55:08,801 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 677 685) the Hoare annotation is: true [2023-11-19 07:55:08,801 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 677 685) no Hoare annotation was computed. [2023-11-19 07:55:08,801 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 677 685) no Hoare annotation was computed. [2023-11-19 07:55:08,801 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 784 813) no Hoare annotation was computed. [2023-11-19 07:55:08,801 INFO L899 garLoopResultBuilder]: For program point L798(lines 798 802) no Hoare annotation was computed. [2023-11-19 07:55:08,801 INFO L902 garLoopResultBuilder]: At program point L798-1(lines 798 802) the Hoare annotation is: true [2023-11-19 07:55:08,802 INFO L899 garLoopResultBuilder]: For program point L795(line 795) no Hoare annotation was computed. [2023-11-19 07:55:08,802 INFO L902 garLoopResultBuilder]: At program point L794-2(lines 794 808) the Hoare annotation is: true [2023-11-19 07:55:08,803 INFO L902 garLoopResultBuilder]: At program point L790(line 790) the Hoare annotation is: true [2023-11-19 07:55:08,803 INFO L899 garLoopResultBuilder]: For program point L790-1(line 790) no Hoare annotation was computed. [2023-11-19 07:55:08,803 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 784 813) the Hoare annotation is: true [2023-11-19 07:55:08,804 INFO L899 garLoopResultBuilder]: For program point L809(lines 784 813) no Hoare annotation was computed. [2023-11-19 07:55:08,805 INFO L899 garLoopResultBuilder]: For program point L805(line 805) no Hoare annotation was computed. [2023-11-19 07:55:08,805 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-11-19 07:55:08,806 INFO L899 garLoopResultBuilder]: For program point L149-1(lines 148 167) no Hoare annotation was computed. [2023-11-19 07:55:08,807 INFO L899 garLoopResultBuilder]: For program point __automaton_fail_returnLabel#1(lines 50 57) no Hoare annotation was computed. [2023-11-19 07:55:08,807 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 145 168) the Hoare annotation is: true [2023-11-19 07:55:08,807 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 145 168) no Hoare annotation was computed. [2023-11-19 07:55:08,807 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 649) no Hoare annotation was computed. [2023-11-19 07:55:08,808 INFO L899 garLoopResultBuilder]: For program point processEnvironment_returnLabel#1(lines 169 175) no Hoare annotation was computed. [2023-11-19 07:55:08,808 INFO L899 garLoopResultBuilder]: For program point L645-2(lines 641 652) no Hoare annotation was computed. [2023-11-19 07:55:08,809 INFO L899 garLoopResultBuilder]: For program point L769(lines 769 775) no Hoare annotation was computed. [2023-11-19 07:55:08,809 INFO L899 garLoopResultBuilder]: For program point L765(lines 765 778) no Hoare annotation was computed. [2023-11-19 07:55:08,809 INFO L899 garLoopResultBuilder]: For program point L765-1(lines 757 781) no Hoare annotation was computed. [2023-11-19 07:55:08,809 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 156 162) no Hoare annotation was computed. [2023-11-19 07:55:08,810 INFO L902 garLoopResultBuilder]: At program point L763(line 763) the Hoare annotation is: true [2023-11-19 07:55:08,810 INFO L899 garLoopResultBuilder]: For program point L763-1(line 763) no Hoare annotation was computed. [2023-11-19 07:55:08,810 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 145 168) no Hoare annotation was computed. [2023-11-19 07:55:08,810 INFO L899 garLoopResultBuilder]: For program point isPumpRunning_returnLabel#1(lines 203 211) no Hoare annotation was computed. [2023-11-19 07:55:08,811 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-11-19 07:55:08,811 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 872) no Hoare annotation was computed. [2023-11-19 07:55:08,811 INFO L895 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 07:55:08,811 INFO L899 garLoopResultBuilder]: For program point L865-2(lines 865 872) no Hoare annotation was computed. [2023-11-19 07:55:08,811 INFO L899 garLoopResultBuilder]: For program point startSystem_returnLabel#1(lines 263 270) no Hoare annotation was computed. [2023-11-19 07:55:08,812 INFO L895 garLoopResultBuilder]: At program point L122(lines 75 124) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 07:55:08,812 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-11-19 07:55:08,812 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2023-11-19 07:55:08,812 INFO L899 garLoopResultBuilder]: For program point runTest_returnLabel#1(lines 845 854) no Hoare annotation was computed. [2023-11-19 07:55:08,813 INFO L899 garLoopResultBuilder]: For program point L77(lines 77 81) no Hoare annotation was computed. [2023-11-19 07:55:08,813 INFO L899 garLoopResultBuilder]: For program point select_features_returnLabel#1(lines 733 739) no Hoare annotation was computed. [2023-11-19 07:55:08,817 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 855 877) no Hoare annotation was computed. [2023-11-19 07:55:08,817 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:55:08,817 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:55:08,817 INFO L899 garLoopResultBuilder]: For program point setup_returnLabel#1(lines 838 844) no Hoare annotation was computed. [2023-11-19 07:55:08,818 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:55:08,819 INFO L899 garLoopResultBuilder]: For program point L128(lines 65 132) no Hoare annotation was computed. [2023-11-19 07:55:08,819 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 101) no Hoare annotation was computed. [2023-11-19 07:55:08,822 INFO L899 garLoopResultBuilder]: For program point L95-1(lines 95 101) no Hoare annotation was computed. [2023-11-19 07:55:08,823 INFO L899 garLoopResultBuilder]: For program point L252(lines 252 258) no Hoare annotation was computed. [2023-11-19 07:55:08,823 INFO L899 garLoopResultBuilder]: For program point L252-2(lines 252 258) no Hoare annotation was computed. [2023-11-19 07:55:08,824 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 07:55:08,824 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:55:08,824 INFO L899 garLoopResultBuilder]: For program point select_helpers_returnLabel#1(lines 740 746) no Hoare annotation was computed. [2023-11-19 07:55:08,827 INFO L899 garLoopResultBuilder]: For program point deactivatePump_returnLabel#1(lines 184 191) no Hoare annotation was computed. [2023-11-19 07:55:08,827 INFO L895 garLoopResultBuilder]: At program point L125(lines 74 126) the Hoare annotation is: false [2023-11-19 07:55:08,828 INFO L899 garLoopResultBuilder]: For program point stopSystem_returnLabel#1(lines 248 262) no Hoare annotation was computed. [2023-11-19 07:55:08,828 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 119) no Hoare annotation was computed. [2023-11-19 07:55:08,832 INFO L895 garLoopResultBuilder]: At program point L113-2(lines 105 120) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 07:55:08,832 INFO L899 garLoopResultBuilder]: For program point L76(lines 75 124) no Hoare annotation was computed. [2023-11-19 07:55:08,832 INFO L899 garLoopResultBuilder]: For program point valid_product_returnLabel#1(lines 747 755) no Hoare annotation was computed. [2023-11-19 07:55:08,832 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 120) no Hoare annotation was computed. [2023-11-19 07:55:08,832 INFO L899 garLoopResultBuilder]: For program point L657-1(lines 653 664) no Hoare annotation was computed. [2023-11-19 07:55:08,833 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 653 664) no Hoare annotation was computed. [2023-11-19 07:55:08,833 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 653 664) the Hoare annotation is: true [2023-11-19 07:55:08,835 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 07:55:08,838 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:55:08,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:55:08 BoogieIcfgContainer [2023-11-19 07:55:08,852 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:55:08,853 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:55:08,854 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:55:08,854 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:55:08,855 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:07" (3/4) ... [2023-11-19 07:55:08,857 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:55:08,863 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-19 07:55:08,863 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-19 07:55:08,863 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-19 07:55:08,863 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-19 07:55:08,864 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-19 07:55:08,873 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-19 07:55:08,874 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 07:55:08,874 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 07:55:08,875 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:55:08,875 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:55:09,002 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5341998-3f89-4430-aee0-886e52d742bf/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:55:09,002 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5341998-3f89-4430-aee0-886e52d742bf/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:55:09,002 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:55:09,003 INFO L158 Benchmark]: Toolchain (without parser) took 2739.47ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 101.5MB in the beginning and 137.7MB in the end (delta: -36.2MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. [2023-11-19 07:55:09,004 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 140.5MB. Free memory is still 115.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:55:09,004 INFO L158 Benchmark]: CACSL2BoogieTranslator took 600.52ms. Allocated memory is still 140.5MB. Free memory was 101.2MB in the beginning and 82.6MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:55:09,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.21ms. Allocated memory is still 140.5MB. Free memory was 82.6MB in the beginning and 80.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:55:09,005 INFO L158 Benchmark]: Boogie Preprocessor took 29.41ms. Allocated memory is still 140.5MB. Free memory was 80.6MB in the beginning and 79.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:55:09,005 INFO L158 Benchmark]: RCFGBuilder took 415.75ms. Allocated memory is still 140.5MB. Free memory was 79.2MB in the beginning and 65.2MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:55:09,006 INFO L158 Benchmark]: TraceAbstraction took 1467.08ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 64.5MB in the beginning and 77.1MB in the end (delta: -12.6MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2023-11-19 07:55:09,006 INFO L158 Benchmark]: Witness Printer took 149.20ms. Allocated memory is still 169.9MB. Free memory was 77.1MB in the beginning and 137.7MB in the end (delta: -60.6MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2023-11-19 07:55:09,008 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 140.5MB. Free memory is still 115.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 600.52ms. Allocated memory is still 140.5MB. Free memory was 101.2MB in the beginning and 82.6MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.21ms. Allocated memory is still 140.5MB. Free memory was 82.6MB in the beginning and 80.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.41ms. Allocated memory is still 140.5MB. Free memory was 80.6MB in the beginning and 79.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 415.75ms. Allocated memory is still 140.5MB. Free memory was 79.2MB in the beginning and 65.2MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1467.08ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 64.5MB in the beginning and 77.1MB in the end (delta: -12.6MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * Witness Printer took 149.20ms. Allocated memory is still 169.9MB. Free memory was 77.1MB in the beginning and 137.7MB in the end (delta: -60.6MB). Peak memory consumption was 4.3MB. 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,"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, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 107 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 104 mSDsluCounter, 429 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 180 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 249 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=3, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 52 PreInvPairs, 62 NumberOfFragments, 38 HoareAnnotationTreeSize, 52 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 119 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 164 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) RESULT: Ultimate proved your program to be correct! [2023-11-19 07:55:09,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5341998-3f89-4430-aee0-886e52d742bf/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE