./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261d99b7-f1a7-4780-bf84-c14091eca305/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261d99b7-f1a7-4780-bf84-c14091eca305/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_261d99b7-f1a7-4780-bf84-c14091eca305/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261d99b7-f1a7-4780-bf84-c14091eca305/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261d99b7-f1a7-4780-bf84-c14091eca305/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_261d99b7-f1a7-4780-bf84-c14091eca305/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 9f236da57fa92653d636674a80852c8106739bc443cbd0a5f898a694ed49c247 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:40:53,798 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:40:53,885 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261d99b7-f1a7-4780-bf84-c14091eca305/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:40:53,891 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:40:53,891 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:40:53,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:40:53,919 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:40:53,920 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:40:53,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:40:53,921 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:40:53,922 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:40:53,923 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:40:53,923 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:40:53,924 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:40:53,925 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:40:53,925 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:40:53,926 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:40:53,926 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:40:53,927 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:40:53,927 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:40:53,928 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:40:53,929 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:40:53,929 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:40:53,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:40:53,930 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:40:53,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:40:53,932 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:40:53,932 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:40:53,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:40:53,933 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:40:53,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:40:53,935 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:40:53,935 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:40:53,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:40:53,936 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:40:53,937 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:40:53,937 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:40:53,938 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:40:53,938 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:40:53,939 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_261d99b7-f1a7-4780-bf84-c14091eca305/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261d99b7-f1a7-4780-bf84-c14091eca305/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f236da57fa92653d636674a80852c8106739bc443cbd0a5f898a694ed49c247 [2023-11-19 07:40:54,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:40:54,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:40:54,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:40:54,216 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:40:54,217 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:40:54,218 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261d99b7-f1a7-4780-bf84-c14091eca305/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2023-11-19 07:40:57,420 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:40:57,774 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:40:57,775 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261d99b7-f1a7-4780-bf84-c14091eca305/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2023-11-19 07:40:57,792 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261d99b7-f1a7-4780-bf84-c14091eca305/bin/uautomizer-verify-uCwYo4JHxu/data/0f5711672/ad44599711fd4e1788eff85bdbca44c9/FLAG8f9c9e9d7 [2023-11-19 07:40:57,807 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261d99b7-f1a7-4780-bf84-c14091eca305/bin/uautomizer-verify-uCwYo4JHxu/data/0f5711672/ad44599711fd4e1788eff85bdbca44c9 [2023-11-19 07:40:57,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:40:57,819 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:40:57,825 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:40:57,826 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:40:57,832 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:40:57,833 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:57" (1/1) ... [2023-11-19 07:40:57,834 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@676e837e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:57, skipping insertion in model container [2023-11-19 07:40:57,835 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:57" (1/1) ... [2023-11-19 07:40:57,926 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:40:58,108 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_261d99b7-f1a7-4780-bf84-c14091eca305/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c[2141,2154] [2023-11-19 07:40:58,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:40:58,324 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:40:58,335 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-19 07:40:58,337 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] [2023-11-19 07:40:58,337 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [96] [2023-11-19 07:40:58,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [192] [2023-11-19 07:40:58,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [393] [2023-11-19 07:40:58,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [463] [2023-11-19 07:40:58,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [502] [2023-11-19 07:40:58,339 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [599] [2023-11-19 07:40:58,344 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_261d99b7-f1a7-4780-bf84-c14091eca305/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c[2141,2154] [2023-11-19 07:40:58,395 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:40:58,416 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:40:58,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:58 WrapperNode [2023-11-19 07:40:58,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:40:58,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:40:58,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:40:58,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:40:58,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:58" (1/1) ... [2023-11-19 07:40:58,442 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:58" (1/1) ... [2023-11-19 07:40:58,475 INFO L138 Inliner]: procedures = 56, calls = 99, calls flagged for inlining = 23, calls inlined = 18, statements flattened = 174 [2023-11-19 07:40:58,475 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:40:58,476 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:40:58,476 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:40:58,477 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:40:58,487 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:58" (1/1) ... [2023-11-19 07:40:58,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:58" (1/1) ... [2023-11-19 07:40:58,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:58" (1/1) ... [2023-11-19 07:40:58,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:58" (1/1) ... [2023-11-19 07:40:58,517 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:58" (1/1) ... [2023-11-19 07:40:58,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:58" (1/1) ... [2023-11-19 07:40:58,524 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:58" (1/1) ... [2023-11-19 07:40:58,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:58" (1/1) ... [2023-11-19 07:40:58,542 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:40:58,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:40:58,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:40:58,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:40:58,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:58" (1/1) ... [2023-11-19 07:40:58,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:40:58,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261d99b7-f1a7-4780-bf84-c14091eca305/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:58,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261d99b7-f1a7-4780-bf84-c14091eca305/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:58,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261d99b7-f1a7-4780-bf84-c14091eca305/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:40:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:40:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-19 07:40:58,636 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-19 07:40:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-19 07:40:58,638 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-19 07:40:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-19 07:40:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-19 07:40:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-19 07:40:58,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-19 07:40:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-19 07:40:58,640 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-19 07:40:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-19 07:40:58,641 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-19 07:40:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:40:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-19 07:40:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-19 07:40:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:40:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:40:58,725 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:40:58,727 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:40:58,991 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:40:59,002 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:40:59,003 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:40:59,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:59 BoogieIcfgContainer [2023-11-19 07:40:59,008 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:40:59,011 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:40:59,011 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:40:59,015 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:40:59,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:40:57" (1/3) ... [2023-11-19 07:40:59,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bacb3b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:40:59, skipping insertion in model container [2023-11-19 07:40:59,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:58" (2/3) ... [2023-11-19 07:40:59,017 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bacb3b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:40:59, skipping insertion in model container [2023-11-19 07:40:59,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:59" (3/3) ... [2023-11-19 07:40:59,019 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product28.cil.c [2023-11-19 07:40:59,042 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:40:59,042 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:40:59,100 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:40:59,108 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;@5c2d8407, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:40:59,109 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:40:59,114 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 63 states have (on average 1.380952380952381) internal successors, (87), 70 states have internal predecessors, (87), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 07:40:59,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 07:40:59,123 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:59,123 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] [2023-11-19 07:40:59,124 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:59,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:59,131 INFO L85 PathProgramCache]: Analyzing trace with hash 162761641, now seen corresponding path program 1 times [2023-11-19 07:40:59,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:59,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427040916] [2023-11-19 07:40:59,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:59,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:59,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-19 07:40:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:59,436 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 07:40:59,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:59,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427040916] [2023-11-19 07:40:59,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427040916] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:59,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:59,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:40:59,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995585669] [2023-11-19 07:40:59,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:59,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:40:59,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:59,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:40:59,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:40:59,513 INFO L87 Difference]: Start difference. First operand has 83 states, 63 states have (on average 1.380952380952381) internal successors, (87), 70 states have internal predecessors, (87), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:40:59,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:59,612 INFO L93 Difference]: Finished difference Result 157 states and 212 transitions. [2023-11-19 07:40:59,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:40:59,615 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2023-11-19 07:40:59,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:59,627 INFO L225 Difference]: With dead ends: 157 [2023-11-19 07:40:59,627 INFO L226 Difference]: Without dead ends: 74 [2023-11-19 07:40:59,632 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 07:40:59,637 INFO L413 NwaCegarLoop]: 103 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, 103 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 07:40:59,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:40:59,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-19 07:40:59,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-11-19 07:40:59,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 56 states have (on average 1.3035714285714286) internal successors, (73), 62 states have internal predecessors, (73), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-19 07:40:59,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 94 transitions. [2023-11-19 07:40:59,694 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 94 transitions. Word has length 25 [2023-11-19 07:40:59,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:59,695 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 94 transitions. [2023-11-19 07:40:59,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:40:59,696 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 94 transitions. [2023-11-19 07:40:59,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 07:40:59,699 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:59,699 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] [2023-11-19 07:40:59,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:40:59,700 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:59,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:59,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1172055592, now seen corresponding path program 1 times [2023-11-19 07:40:59,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:59,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530032742] [2023-11-19 07:40:59,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:59,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:59,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:40:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:59,837 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 07:40:59,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:59,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530032742] [2023-11-19 07:40:59,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530032742] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:59,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:59,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:40:59,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620523288] [2023-11-19 07:40:59,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:59,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:40:59,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:59,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:40:59,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:40:59,842 INFO L87 Difference]: Start difference. First operand 74 states and 94 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 07:40:59,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:59,861 INFO L93 Difference]: Finished difference Result 108 states and 136 transitions. [2023-11-19 07:40:59,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:40:59,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 26 [2023-11-19 07:40:59,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:59,864 INFO L225 Difference]: With dead ends: 108 [2023-11-19 07:40:59,865 INFO L226 Difference]: Without dead ends: 65 [2023-11-19 07:40:59,866 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 07:40:59,868 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 17 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 140 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 07:40:59,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:40:59,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-19 07:40:59,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-19 07:40:59,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 50 states have (on average 1.32) internal successors, (66), 56 states have internal predecessors, (66), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 07:40:59,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 82 transitions. [2023-11-19 07:40:59,882 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 82 transitions. Word has length 26 [2023-11-19 07:40:59,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:59,882 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 82 transitions. [2023-11-19 07:40:59,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 07:40:59,883 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2023-11-19 07:40:59,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 07:40:59,885 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:59,885 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, 1] [2023-11-19 07:40:59,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:40:59,885 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:59,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:59,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1670854369, now seen corresponding path program 1 times [2023-11-19 07:40:59,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:59,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769939713] [2023-11-19 07:40:59,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:59,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:59,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:40:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:59,998 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 07:40:59,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:59,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769939713] [2023-11-19 07:40:59,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769939713] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:59,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:59,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:40:59,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796955193] [2023-11-19 07:40:59,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:41:00,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:41:00,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:00,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:41:00,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:41:00,002 INFO L87 Difference]: Start difference. First operand 65 states and 82 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 07:41:00,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:41:00,060 INFO L93 Difference]: Finished difference Result 177 states and 229 transitions. [2023-11-19 07:41:00,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:41:00,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 31 [2023-11-19 07:41:00,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:41:00,064 INFO L225 Difference]: With dead ends: 177 [2023-11-19 07:41:00,065 INFO L226 Difference]: Without dead ends: 120 [2023-11-19 07:41:00,066 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 07:41:00,068 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 74 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 168 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 07:41:00,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 168 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:41:00,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-19 07:41:00,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 117. [2023-11-19 07:41:00,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 88 states have (on average 1.3522727272727273) internal successors, (119), 99 states have internal predecessors, (119), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:41:00,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 151 transitions. [2023-11-19 07:41:00,101 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 151 transitions. Word has length 31 [2023-11-19 07:41:00,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:41:00,102 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 151 transitions. [2023-11-19 07:41:00,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 07:41:00,102 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 151 transitions. [2023-11-19 07:41:00,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 07:41:00,105 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:41:00,105 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, 1, 1, 1, 1] [2023-11-19 07:41:00,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:41:00,106 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:41:00,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:00,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1341399389, now seen corresponding path program 1 times [2023-11-19 07:41:00,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:00,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554168610] [2023-11-19 07:41:00,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:00,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:00,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-19 07:41:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:00,349 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 07:41:00,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:41:00,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554168610] [2023-11-19 07:41:00,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554168610] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:41:00,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:41:00,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:41:00,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852569208] [2023-11-19 07:41:00,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:41:00,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:41:00,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:00,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:41:00,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:41:00,352 INFO L87 Difference]: Start difference. First operand 117 states and 151 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 07:41:00,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:41:00,439 INFO L93 Difference]: Finished difference Result 202 states and 261 transitions. [2023-11-19 07:41:00,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:41:00,440 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 34 [2023-11-19 07:41:00,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:41:00,441 INFO L225 Difference]: With dead ends: 202 [2023-11-19 07:41:00,441 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:41:00,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 07:41:00,445 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 36 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:41:00,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 157 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:41:00,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:41:00,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:41:00,447 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 07:41:00,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:41:00,448 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2023-11-19 07:41:00,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:41:00,448 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:41:00,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 07:41:00,448 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:41:00,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:41:00,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:41:00,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:41:00,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:41:00,614 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 287 294) no Hoare annotation was computed. [2023-11-19 07:41:00,614 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 287 294) the Hoare annotation is: true [2023-11-19 07:41:00,615 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 287 294) no Hoare annotation was computed. [2023-11-19 07:41:00,615 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 228 234) no Hoare annotation was computed. [2023-11-19 07:41:00,615 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 228 234) the Hoare annotation is: true [2023-11-19 07:41:00,615 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 130 141) the Hoare annotation is: true [2023-11-19 07:41:00,615 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 130 141) no Hoare annotation was computed. [2023-11-19 07:41:00,616 INFO L899 garLoopResultBuilder]: For program point L134-1(lines 130 141) no Hoare annotation was computed. [2023-11-19 07:41:00,616 INFO L902 garLoopResultBuilder]: At program point L514-2(lines 514 528) the Hoare annotation is: true [2023-11-19 07:41:00,616 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 504 533) no Hoare annotation was computed. [2023-11-19 07:41:00,616 INFO L902 garLoopResultBuilder]: At program point L510(line 510) the Hoare annotation is: true [2023-11-19 07:41:00,616 INFO L899 garLoopResultBuilder]: For program point L510-1(line 510) no Hoare annotation was computed. [2023-11-19 07:41:00,617 INFO L899 garLoopResultBuilder]: For program point L529(lines 504 533) no Hoare annotation was computed. [2023-11-19 07:41:00,617 INFO L899 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2023-11-19 07:41:00,617 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 504 533) the Hoare annotation is: true [2023-11-19 07:41:00,617 INFO L899 garLoopResultBuilder]: For program point L518(lines 518 522) no Hoare annotation was computed. [2023-11-19 07:41:00,617 INFO L902 garLoopResultBuilder]: At program point L518-1(lines 518 522) the Hoare annotation is: true [2023-11-19 07:41:00,618 INFO L899 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2023-11-19 07:41:00,618 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 498) no Hoare annotation was computed. [2023-11-19 07:41:00,618 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 473 501) no Hoare annotation was computed. [2023-11-19 07:41:00,618 INFO L895 garLoopResultBuilder]: At program point L250(line 250) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-19 07:41:00,618 INFO L895 garLoopResultBuilder]: At program point L246(line 246) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-19 07:41:00,618 INFO L899 garLoopResultBuilder]: For program point L110(lines 110 114) no Hoare annotation was computed. [2023-11-19 07:41:00,619 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDry_returnLabel#1(lines 183 191) no Hoare annotation was computed. [2023-11-19 07:41:00,619 INFO L899 garLoopResultBuilder]: For program point L110-2(lines 106 117) no Hoare annotation was computed. [2023-11-19 07:41:00,619 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 204 227) no Hoare annotation was computed. [2023-11-19 07:41:00,619 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 492) no Hoare annotation was computed. [2023-11-19 07:41:00,619 INFO L895 garLoopResultBuilder]: At program point L255(line 255) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-19 07:41:00,620 INFO L899 garLoopResultBuilder]: For program point L255-1(lines 236 260) no Hoare annotation was computed. [2023-11-19 07:41:00,620 INFO L895 garLoopResultBuilder]: At program point L479(line 479) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-19 07:41:00,620 INFO L899 garLoopResultBuilder]: For program point L479-1(line 479) no Hoare annotation was computed. [2023-11-19 07:41:00,620 INFO L899 garLoopResultBuilder]: For program point L215-1(lines 215 221) no Hoare annotation was computed. [2023-11-19 07:41:00,620 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 252) no Hoare annotation was computed. [2023-11-19 07:41:00,620 INFO L899 garLoopResultBuilder]: For program point L240(lines 240 257) no Hoare annotation was computed. [2023-11-19 07:41:00,621 INFO L899 garLoopResultBuilder]: For program point __automaton_fail_returnLabel#1(lines 88 95) no Hoare annotation was computed. [2023-11-19 07:41:00,621 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 204 227) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-19 07:41:00,621 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 364) no Hoare annotation was computed. [2023-11-19 07:41:00,621 INFO L899 garLoopResultBuilder]: For program point L360-2(lines 360 364) no Hoare annotation was computed. [2023-11-19 07:41:00,622 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevel_returnLabel#1(lines 351 369) no Hoare annotation was computed. [2023-11-19 07:41:00,622 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-11-19 07:41:00,623 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 207 226) no Hoare annotation was computed. [2023-11-19 07:41:00,623 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 204 227) no Hoare annotation was computed. [2023-11-19 07:41:00,623 INFO L899 garLoopResultBuilder]: For program point isPumpRunning_returnLabel#1(lines 306 314) no Hoare annotation was computed. [2023-11-19 07:41:00,623 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2023-11-19 07:41:00,624 INFO L899 garLoopResultBuilder]: For program point L485(lines 485 495) no Hoare annotation was computed. [2023-11-19 07:41:00,624 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 142 150) the Hoare annotation is: true [2023-11-19 07:41:00,624 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 142 150) no Hoare annotation was computed. [2023-11-19 07:41:00,624 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 142 150) no Hoare annotation was computed. [2023-11-19 07:41:00,625 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 421) no Hoare annotation was computed. [2023-11-19 07:41:00,625 INFO L899 garLoopResultBuilder]: For program point L415-1(lines 415 421) no Hoare annotation was computed. [2023-11-19 07:41:00,625 INFO L899 garLoopResultBuilder]: For program point startSystem_returnLabel#1(lines 385 392) no Hoare annotation was computed. [2023-11-19 07:41:00,625 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 411) no Hoare annotation was computed. [2023-11-19 07:41:00,625 INFO L899 garLoopResultBuilder]: For program point L374(lines 374 380) no Hoare annotation was computed. [2023-11-19 07:41:00,626 INFO L899 garLoopResultBuilder]: For program point L374-1(lines 374 380) no Hoare annotation was computed. [2023-11-19 07:41:00,626 INFO L899 garLoopResultBuilder]: For program point runTest_returnLabel#1(lines 565 575) no Hoare annotation was computed. [2023-11-19 07:41:00,626 INFO L899 garLoopResultBuilder]: For program point select_features_returnLabel#1(lines 64 70) no Hoare annotation was computed. [2023-11-19 07:41:00,627 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 576 598) no Hoare annotation was computed. [2023-11-19 07:41:00,627 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:41:00,627 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:41:00,627 INFO L899 garLoopResultBuilder]: For program point L586(lines 586 593) no Hoare annotation was computed. [2023-11-19 07:41:00,627 INFO L899 garLoopResultBuilder]: For program point L458(lines 395 462) no Hoare annotation was computed. [2023-11-19 07:41:00,628 INFO L899 garLoopResultBuilder]: For program point setup_returnLabel#1(lines 558 564) no Hoare annotation was computed. [2023-11-19 07:41:00,628 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 431) no Hoare annotation was computed. [2023-11-19 07:41:00,628 INFO L899 garLoopResultBuilder]: For program point L425-1(lines 425 431) no Hoare annotation was computed. [2023-11-19 07:41:00,628 INFO L899 garLoopResultBuilder]: For program point L586-2(lines 586 593) no Hoare annotation was computed. [2023-11-19 07:41:00,629 INFO L895 garLoopResultBuilder]: At program point L417(line 417) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 07:41:00,629 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:41:00,629 INFO L895 garLoopResultBuilder]: At program point L376(line 376) the Hoare annotation is: false [2023-11-19 07:41:00,630 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:41:00,630 INFO L899 garLoopResultBuilder]: For program point select_helpers_returnLabel#1(lines 71 77) no Hoare annotation was computed. [2023-11-19 07:41:00,630 INFO L895 garLoopResultBuilder]: At program point L455(lines 404 456) the Hoare annotation is: false [2023-11-19 07:41:00,630 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__1_returnLabel#1(lines 465 472) no Hoare annotation was computed. [2023-11-19 07:41:00,631 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 449) no Hoare annotation was computed. [2023-11-19 07:41:00,631 INFO L895 garLoopResultBuilder]: At program point L443-2(lines 435 450) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 07:41:00,631 INFO L899 garLoopResultBuilder]: For program point L406(lines 405 454) no Hoare annotation was computed. [2023-11-19 07:41:00,631 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 450) no Hoare annotation was computed. [2023-11-19 07:41:00,631 INFO L899 garLoopResultBuilder]: For program point stopSystem_returnLabel#1(lines 370 384) no Hoare annotation was computed. [2023-11-19 07:41:00,632 INFO L899 garLoopResultBuilder]: For program point valid_product_returnLabel#1(lines 78 86) no Hoare annotation was computed. [2023-11-19 07:41:00,632 INFO L895 garLoopResultBuilder]: At program point L427(line 427) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 07:41:00,632 INFO L895 garLoopResultBuilder]: At program point L452(lines 405 454) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 07:41:00,632 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 118 129) no Hoare annotation was computed. [2023-11-19 07:41:00,633 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 118 129) the Hoare annotation is: true [2023-11-19 07:41:00,633 INFO L899 garLoopResultBuilder]: For program point L122-1(lines 118 129) no Hoare annotation was computed. [2023-11-19 07:41:00,636 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 07:41:00,639 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:41:00,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:41:00 BoogieIcfgContainer [2023-11-19 07:41:00,652 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:41:00,653 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:41:00,653 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:41:00,654 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:41:00,654 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:59" (3/4) ... [2023-11-19 07:41:00,657 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:41:00,662 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-19 07:41:00,662 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-19 07:41:00,662 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-19 07:41:00,662 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-19 07:41:00,663 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-19 07:41:00,663 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-19 07:41:00,663 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-19 07:41:00,672 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-19 07:41:00,672 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 07:41:00,673 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 07:41:00,674 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:41:00,675 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:41:00,810 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261d99b7-f1a7-4780-bf84-c14091eca305/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:41:00,811 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261d99b7-f1a7-4780-bf84-c14091eca305/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:41:00,811 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:41:00,811 INFO L158 Benchmark]: Toolchain (without parser) took 2992.79ms. Allocated memory is still 157.3MB. Free memory was 126.4MB in the beginning and 121.9MB in the end (delta: 4.4MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2023-11-19 07:41:00,812 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:41:00,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 592.44ms. Allocated memory is still 157.3MB. Free memory was 125.8MB in the beginning and 106.6MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:41:00,813 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.85ms. Allocated memory is still 157.3MB. Free memory was 106.6MB in the beginning and 104.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:41:00,813 INFO L158 Benchmark]: Boogie Preprocessor took 65.74ms. Allocated memory is still 157.3MB. Free memory was 104.5MB in the beginning and 103.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:41:00,816 INFO L158 Benchmark]: RCFGBuilder took 465.35ms. Allocated memory is still 157.3MB. Free memory was 102.8MB in the beginning and 87.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:41:00,816 INFO L158 Benchmark]: TraceAbstraction took 1641.65ms. Allocated memory is still 157.3MB. Free memory was 86.4MB in the beginning and 62.8MB in the end (delta: 23.5MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2023-11-19 07:41:00,817 INFO L158 Benchmark]: Witness Printer took 157.77ms. Allocated memory is still 157.3MB. Free memory was 62.8MB in the beginning and 121.9MB in the end (delta: -59.1MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2023-11-19 07:41:00,820 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 592.44ms. Allocated memory is still 157.3MB. Free memory was 125.8MB in the beginning and 106.6MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.85ms. Allocated memory is still 157.3MB. Free memory was 106.6MB in the beginning and 104.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.74ms. Allocated memory is still 157.3MB. Free memory was 104.5MB in the beginning and 103.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 465.35ms. Allocated memory is still 157.3MB. Free memory was 102.8MB in the beginning and 87.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1641.65ms. Allocated memory is still 157.3MB. Free memory was 86.4MB in the beginning and 62.8MB in the end (delta: 23.5MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * Witness Printer took 157.77ms. Allocated memory is still 157.3MB. Free memory was 62.8MB in the beginning and 121.9MB in the end (delta: -59.1MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [96] - GenericResultAtLocation [Line: 192]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [192] - GenericResultAtLocation [Line: 393]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [393] - GenericResultAtLocation [Line: 463]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [463] - GenericResultAtLocation [Line: 502]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [502] - GenericResultAtLocation [Line: 599]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [599] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 92]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 83 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 131 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 127 mSDsluCounter, 568 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 231 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 337 mSDtfsCounter, 21 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 104 PreInvPairs, 116 NumberOfFragments, 71 HoareAnnotationTreeSize, 104 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 175 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 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: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-19 07:41:00,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261d99b7-f1a7-4780-bf84-c14091eca305/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