./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.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_204f527c-1d1b-483f-9c60-b73acb65f5d4/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204f527c-1d1b-483f-9c60-b73acb65f5d4/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_204f527c-1d1b-483f-9c60-b73acb65f5d4/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204f527c-1d1b-483f-9c60-b73acb65f5d4/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204f527c-1d1b-483f-9c60-b73acb65f5d4/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_204f527c-1d1b-483f-9c60-b73acb65f5d4/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 0b26970eb65416cb1a1e0bb57bcc2feb0d77f09134ca74c3d0e7292816d2c43c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:38:26,729 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:38:26,859 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204f527c-1d1b-483f-9c60-b73acb65f5d4/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:38:26,865 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:38:26,868 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:38:26,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:38:26,908 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:38:26,909 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:38:26,910 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:38:26,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:38:26,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:38:26,919 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:38:26,920 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:38:26,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:38:26,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:38:26,923 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:38:26,924 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:38:26,924 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:38:26,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:38:26,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:38:26,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:38:26,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:38:26,927 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:38:26,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:38:26,928 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:38:26,929 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:38:26,930 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:38:26,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:38:26,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:38:26,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:38:26,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:38:26,934 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:38:26,934 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:38:26,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:38:26,935 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:38:26,935 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:38:26,935 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:38:26,936 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:38:26,936 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:38:26,936 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_204f527c-1d1b-483f-9c60-b73acb65f5d4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204f527c-1d1b-483f-9c60-b73acb65f5d4/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b26970eb65416cb1a1e0bb57bcc2feb0d77f09134ca74c3d0e7292816d2c43c [2023-11-19 07:38:27,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:38:27,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:38:27,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:38:27,369 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:38:27,370 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:38:27,371 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204f527c-1d1b-483f-9c60-b73acb65f5d4/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2023-11-19 07:38:30,608 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:38:30,938 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:38:30,939 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204f527c-1d1b-483f-9c60-b73acb65f5d4/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2023-11-19 07:38:30,964 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204f527c-1d1b-483f-9c60-b73acb65f5d4/bin/uautomizer-verify-uCwYo4JHxu/data/eec96de14/555f2e08537a4284835ae45325468de6/FLAGa2eefb734 [2023-11-19 07:38:30,981 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204f527c-1d1b-483f-9c60-b73acb65f5d4/bin/uautomizer-verify-uCwYo4JHxu/data/eec96de14/555f2e08537a4284835ae45325468de6 [2023-11-19 07:38:30,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:38:30,989 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:38:30,990 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:30,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:38:30,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:38:30,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:30" (1/1) ... [2023-11-19 07:38:30,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ca6f60b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:30, skipping insertion in model container [2023-11-19 07:38:30,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:30" (1/1) ... [2023-11-19 07:38:31,072 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:38:31,390 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_204f527c-1d1b-483f-9c60-b73acb65f5d4/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c[8611,8624] [2023-11-19 07:38:31,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:31,499 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:38:31,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2023-11-19 07:38:31,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [153] [2023-11-19 07:38:31,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [247] [2023-11-19 07:38:31,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [282] [2023-11-19 07:38:31,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [310] [2023-11-19 07:38:31,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [523] [2023-11-19 07:38:31,513 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [590] [2023-11-19 07:38:31,513 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [599] [2023-11-19 07:38:31,537 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_204f527c-1d1b-483f-9c60-b73acb65f5d4/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c[8611,8624] [2023-11-19 07:38:31,571 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:31,592 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:38:31,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:31 WrapperNode [2023-11-19 07:38:31,593 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:31,594 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:31,594 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:38:31,595 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:38:31,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:31" (1/1) ... [2023-11-19 07:38:31,618 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:31" (1/1) ... [2023-11-19 07:38:31,646 INFO L138 Inliner]: procedures = 55, calls = 101, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 174 [2023-11-19 07:38:31,646 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:31,647 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:38:31,647 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:38:31,647 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:38:31,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:31" (1/1) ... [2023-11-19 07:38:31,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:31" (1/1) ... [2023-11-19 07:38:31,660 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:31" (1/1) ... [2023-11-19 07:38:31,660 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:31" (1/1) ... [2023-11-19 07:38:31,666 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:31" (1/1) ... [2023-11-19 07:38:31,671 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:31" (1/1) ... [2023-11-19 07:38:31,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:31" (1/1) ... [2023-11-19 07:38:31,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:31" (1/1) ... [2023-11-19 07:38:31,678 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:38:31,679 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:38:31,679 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:38:31,679 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:38:31,680 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:31" (1/1) ... [2023-11-19 07:38:31,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:38:31,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204f527c-1d1b-483f-9c60-b73acb65f5d4/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:31,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204f527c-1d1b-483f-9c60-b73acb65f5d4/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:38:31,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204f527c-1d1b-483f-9c60-b73acb65f5d4/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:38:31,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:38:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-19 07:38:31,789 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-19 07:38:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-19 07:38:31,789 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-19 07:38:31,790 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-19 07:38:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-19 07:38:31,790 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-19 07:38:31,795 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-19 07:38:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-19 07:38:31,795 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-19 07:38:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-19 07:38:31,795 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-19 07:38:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-19 07:38:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-19 07:38:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-19 07:38:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-19 07:38:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:38:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-19 07:38:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-19 07:38:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:38:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:38:31,880 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:38:31,883 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:38:32,207 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:38:32,217 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:38:32,221 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:38:32,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:32 BoogieIcfgContainer [2023-11-19 07:38:32,226 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:38:32,228 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:38:32,228 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:38:32,232 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:38:32,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:38:30" (1/3) ... [2023-11-19 07:38:32,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b03923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:32, skipping insertion in model container [2023-11-19 07:38:32,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:31" (2/3) ... [2023-11-19 07:38:32,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b03923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:32, skipping insertion in model container [2023-11-19 07:38:32,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:32" (3/3) ... [2023-11-19 07:38:32,235 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product31.cil.c [2023-11-19 07:38:32,257 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:38:32,257 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:38:32,313 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:38:32,320 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;@19f0994, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:38:32,321 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:38:32,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 77 states have internal predecessors, (93), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:38:32,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 07:38:32,336 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:32,337 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 07:38:32,337 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:38:32,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:32,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1884287270, now seen corresponding path program 1 times [2023-11-19 07:38:32,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:32,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433248190] [2023-11-19 07:38:32,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:32,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:32,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:38:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:32,596 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 07:38:32,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:32,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433248190] [2023-11-19 07:38:32,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433248190] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:32,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:32,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:38:32,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953417554] [2023-11-19 07:38:32,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:32,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:38:32,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:32,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:38:32,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:38:32,668 INFO L87 Difference]: Start difference. First operand has 95 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 77 states have internal predecessors, (93), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) 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 07:38:32,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:32,744 INFO L93 Difference]: Finished difference Result 182 states and 245 transitions. [2023-11-19 07:38:32,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:38:32,748 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 07:38:32,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:32,760 INFO L225 Difference]: With dead ends: 182 [2023-11-19 07:38:32,761 INFO L226 Difference]: Without dead ends: 86 [2023-11-19 07:38:32,767 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 07:38:32,773 INFO L413 NwaCegarLoop]: 119 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, 119 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 07:38:32,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:32,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-19 07:38:32,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2023-11-19 07:38:32,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 61 states have (on average 1.2950819672131149) internal successors, (79), 69 states have internal predecessors, (79), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 07:38:32,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 110 transitions. [2023-11-19 07:38:32,833 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 110 transitions. Word has length 23 [2023-11-19 07:38:32,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:32,837 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 110 transitions. [2023-11-19 07:38:32,838 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 07:38:32,838 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 110 transitions. [2023-11-19 07:38:32,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 07:38:32,841 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:32,842 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 07:38:32,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:38:32,842 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:38:32,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:32,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1079213532, now seen corresponding path program 1 times [2023-11-19 07:38:32,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:32,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198632808] [2023-11-19 07:38:32,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:32,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:32,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-19 07:38:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:33,012 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 07:38:33,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:33,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198632808] [2023-11-19 07:38:33,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198632808] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:33,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:33,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:38:33,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887466120] [2023-11-19 07:38:33,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:33,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:38:33,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:33,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:38:33,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:38:33,021 INFO L87 Difference]: Start difference. First operand 86 states and 110 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 07:38:33,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:33,052 INFO L93 Difference]: Finished difference Result 134 states and 170 transitions. [2023-11-19 07:38:33,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:38:33,053 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 07:38:33,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:33,059 INFO L225 Difference]: With dead ends: 134 [2023-11-19 07:38:33,060 INFO L226 Difference]: Without dead ends: 77 [2023-11-19 07:38:33,067 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 07:38:33,070 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 16 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 173 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 07:38:33,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 173 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:33,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-19 07:38:33,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-19 07:38:33,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 55 states have (on average 1.309090909090909) internal successors, (72), 63 states have internal predecessors, (72), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-19 07:38:33,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 98 transitions. [2023-11-19 07:38:33,105 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 98 transitions. Word has length 24 [2023-11-19 07:38:33,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:33,105 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 98 transitions. [2023-11-19 07:38:33,106 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 07:38:33,106 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2023-11-19 07:38:33,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 07:38:33,107 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:33,107 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] [2023-11-19 07:38:33,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:38:33,107 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:38:33,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:33,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1082793814, now seen corresponding path program 1 times [2023-11-19 07:38:33,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:33,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554220972] [2023-11-19 07:38:33,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:33,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:33,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:38:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:33,279 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 07:38:33,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:33,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554220972] [2023-11-19 07:38:33,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554220972] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:33,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:33,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:38:33,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462196282] [2023-11-19 07:38:33,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:33,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:38:33,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:33,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:38:33,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:38:33,289 INFO L87 Difference]: Start difference. First operand 77 states and 98 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:38:33,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:33,558 INFO L93 Difference]: Finished difference Result 258 states and 335 transitions. [2023-11-19 07:38:33,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:38:33,559 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2023-11-19 07:38:33,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:33,561 INFO L225 Difference]: With dead ends: 258 [2023-11-19 07:38:33,561 INFO L226 Difference]: Without dead ends: 188 [2023-11-19 07:38:33,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:38:33,564 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 200 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:33,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 456 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:38:33,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-11-19 07:38:33,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 182. [2023-11-19 07:38:33,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 129 states have (on average 1.3410852713178294) internal successors, (173), 147 states have internal predecessors, (173), 31 states have call successors, (31), 21 states have call predecessors, (31), 21 states have return successors, (32), 21 states have call predecessors, (32), 31 states have call successors, (32) [2023-11-19 07:38:33,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 236 transitions. [2023-11-19 07:38:33,596 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 236 transitions. Word has length 28 [2023-11-19 07:38:33,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:33,597 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 236 transitions. [2023-11-19 07:38:33,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:38:33,597 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 236 transitions. [2023-11-19 07:38:33,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 07:38:33,600 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:33,600 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] [2023-11-19 07:38:33,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:38:33,600 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:38:33,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:33,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1451429620, now seen corresponding path program 1 times [2023-11-19 07:38:33,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:33,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227981459] [2023-11-19 07:38:33,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:33,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:33,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 07:38:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:33,753 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 07:38:33,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:33,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227981459] [2023-11-19 07:38:33,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227981459] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:33,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:33,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:38:33,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667449454] [2023-11-19 07:38:33,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:33,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:38:33,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:33,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:38:33,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:33,756 INFO L87 Difference]: Start difference. First operand 182 states and 236 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 07:38:33,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:33,810 INFO L93 Difference]: Finished difference Result 312 states and 409 transitions. [2023-11-19 07:38:33,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:38:33,810 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 32 [2023-11-19 07:38:33,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:33,811 INFO L225 Difference]: With dead ends: 312 [2023-11-19 07:38:33,811 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:38:33,812 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 07:38:33,814 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 40 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:33,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 163 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:33,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:38:33,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:38:33,815 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 07:38:33,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:38:33,816 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2023-11-19 07:38:33,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:33,816 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:38:33,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 07:38:33,817 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:38:33,817 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:38:33,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:38:33,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:38:33,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:38:34,091 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 425 432) no Hoare annotation was computed. [2023-11-19 07:38:34,091 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 425 432) the Hoare annotation is: true [2023-11-19 07:38:34,091 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 425 432) no Hoare annotation was computed. [2023-11-19 07:38:34,092 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 341 347) no Hoare annotation was computed. [2023-11-19 07:38:34,092 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 341 347) the Hoare annotation is: true [2023-11-19 07:38:34,092 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 185 196) no Hoare annotation was computed. [2023-11-19 07:38:34,093 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 185 196) the Hoare annotation is: true [2023-11-19 07:38:34,093 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 185 196) no Hoare annotation was computed. [2023-11-19 07:38:34,093 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 197 205) the Hoare annotation is: true [2023-11-19 07:38:34,094 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 197 205) no Hoare annotation was computed. [2023-11-19 07:38:34,095 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 197 205) no Hoare annotation was computed. [2023-11-19 07:38:34,095 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 317 340) no Hoare annotation was computed. [2023-11-19 07:38:34,097 INFO L899 garLoopResultBuilder]: For program point L321-1(lines 320 339) no Hoare annotation was computed. [2023-11-19 07:38:34,097 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 391) no Hoare annotation was computed. [2023-11-19 07:38:34,097 INFO L899 garLoopResultBuilder]: For program point L379(lines 379 396) no Hoare annotation was computed. [2023-11-19 07:38:34,097 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 303) no Hoare annotation was computed. [2023-11-19 07:38:34,099 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 169) no Hoare annotation was computed. [2023-11-19 07:38:34,099 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 306) no Hoare annotation was computed. [2023-11-19 07:38:34,099 INFO L899 garLoopResultBuilder]: For program point L293-1(lines 285 309) no Hoare annotation was computed. [2023-11-19 07:38:34,100 INFO L899 garLoopResultBuilder]: For program point L165-2(lines 161 172) no Hoare annotation was computed. [2023-11-19 07:38:34,100 INFO L899 garLoopResultBuilder]: For program point L595(line 595) no Hoare annotation was computed. [2023-11-19 07:38:34,100 INFO L899 garLoopResultBuilder]: For program point __automaton_fail_returnLabel#1(lines 591 598) no Hoare annotation was computed. [2023-11-19 07:38:34,100 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 317 340) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-19 07:38:34,101 INFO L895 garLoopResultBuilder]: At program point L389(line 389) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-19 07:38:34,102 INFO L895 garLoopResultBuilder]: At program point L385(line 385) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-19 07:38:34,103 INFO L895 garLoopResultBuilder]: At program point L381(line 381) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-19 07:38:34,103 INFO L899 garLoopResultBuilder]: For program point L381-1(line 381) no Hoare annotation was computed. [2023-11-19 07:38:34,103 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 317 340) no Hoare annotation was computed. [2023-11-19 07:38:34,103 INFO L895 garLoopResultBuilder]: At program point L394(line 394) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2023-11-19 07:38:34,104 INFO L899 garLoopResultBuilder]: For program point L394-1(lines 375 399) no Hoare annotation was computed. [2023-11-19 07:38:34,104 INFO L899 garLoopResultBuilder]: For program point isPumpRunning_returnLabel#1(lines 444 452) no Hoare annotation was computed. [2023-11-19 07:38:34,104 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2023-11-19 07:38:34,104 INFO L899 garLoopResultBuilder]: For program point L328-1(lines 328 334) no Hoare annotation was computed. [2023-11-19 07:38:34,105 INFO L895 garLoopResultBuilder]: At program point L291(line 291) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-19 07:38:34,105 INFO L899 garLoopResultBuilder]: For program point L291-1(line 291) no Hoare annotation was computed. [2023-11-19 07:38:34,105 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2023-11-19 07:38:34,105 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2023-11-19 07:38:34,105 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2023-11-19 07:38:34,106 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2023-11-19 07:38:34,107 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2023-11-19 07:38:34,108 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2023-11-19 07:38:34,108 INFO L899 garLoopResultBuilder]: For program point L77(lines 52 81) no Hoare annotation was computed. [2023-11-19 07:38:34,111 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 52 81) the Hoare annotation is: true [2023-11-19 07:38:34,111 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-11-19 07:38:34,112 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2023-11-19 07:38:34,112 INFO L899 garLoopResultBuilder]: For program point L535(lines 534 581) no Hoare annotation was computed. [2023-11-19 07:38:34,112 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 577) no Hoare annotation was computed. [2023-11-19 07:38:34,112 INFO L899 garLoopResultBuilder]: For program point runTest_returnLabel#1(lines 117 126) no Hoare annotation was computed. [2023-11-19 07:38:34,112 INFO L895 garLoopResultBuilder]: At program point L556(line 556) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 07:38:34,112 INFO L899 garLoopResultBuilder]: For program point select_features_returnLabel#1(lines 259 265) no Hoare annotation was computed. [2023-11-19 07:38:34,113 INFO L899 garLoopResultBuilder]: For program point L585(lines 524 589) no Hoare annotation was computed. [2023-11-19 07:38:34,118 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 130 152) no Hoare annotation was computed. [2023-11-19 07:38:34,118 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 550) no Hoare annotation was computed. [2023-11-19 07:38:34,118 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:38:34,118 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 544 550) no Hoare annotation was computed. [2023-11-19 07:38:34,119 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:38:34,119 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 540) no Hoare annotation was computed. [2023-11-19 07:38:34,120 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2023-11-19 07:38:34,120 INFO L899 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2023-11-19 07:38:34,120 INFO L899 garLoopResultBuilder]: For program point setup_returnLabel#1(lines 109 115) no Hoare annotation was computed. [2023-11-19 07:38:34,120 INFO L895 garLoopResultBuilder]: At program point L582(lines 533 583) the Hoare annotation is: false [2023-11-19 07:38:34,120 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:38:34,120 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 518) no Hoare annotation was computed. [2023-11-19 07:38:34,120 INFO L899 garLoopResultBuilder]: For program point L512-1(lines 512 518) no Hoare annotation was computed. [2023-11-19 07:38:34,121 INFO L899 garLoopResultBuilder]: For program point L570(lines 570 576) no Hoare annotation was computed. [2023-11-19 07:38:34,121 INFO L895 garLoopResultBuilder]: At program point L570-2(lines 564 577) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 07:38:34,122 INFO L899 garLoopResultBuilder]: For program point L554(lines 554 560) no Hoare annotation was computed. [2023-11-19 07:38:34,122 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:38:34,122 INFO L899 garLoopResultBuilder]: For program point select_helpers_returnLabel#1(lines 266 272) no Hoare annotation was computed. [2023-11-19 07:38:34,122 INFO L899 garLoopResultBuilder]: For program point L554-1(lines 554 560) no Hoare annotation was computed. [2023-11-19 07:38:34,122 INFO L895 garLoopResultBuilder]: At program point L579(lines 534 581) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 07:38:34,122 INFO L895 garLoopResultBuilder]: At program point L546(line 546) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 07:38:34,122 INFO L899 garLoopResultBuilder]: For program point stopSystem_returnLabel#1(lines 508 522) no Hoare annotation was computed. [2023-11-19 07:38:34,123 INFO L899 garLoopResultBuilder]: For program point valid_product_returnLabel#1(lines 273 281) no Hoare annotation was computed. [2023-11-19 07:38:34,123 INFO L895 garLoopResultBuilder]: At program point L514(line 514) the Hoare annotation is: false [2023-11-19 07:38:34,124 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 173 184) no Hoare annotation was computed. [2023-11-19 07:38:34,125 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 173 184) no Hoare annotation was computed. [2023-11-19 07:38:34,125 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 173 184) the Hoare annotation is: true [2023-11-19 07:38:34,125 INFO L899 garLoopResultBuilder]: For program point L353(lines 353 370) no Hoare annotation was computed. [2023-11-19 07:38:34,125 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 502) no Hoare annotation was computed. [2023-11-19 07:38:34,125 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 502) no Hoare annotation was computed. [2023-11-19 07:38:34,125 INFO L895 garLoopResultBuilder]: At program point L368(line 368) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-11-19 07:38:34,125 INFO L899 garLoopResultBuilder]: For program point L368-1(lines 349 373) no Hoare annotation was computed. [2023-11-19 07:38:34,126 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDry_returnLabel#1(lines 238 246) no Hoare annotation was computed. [2023-11-19 07:38:34,126 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 349 373) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-11-19 07:38:34,126 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevel_returnLabel#1(lines 489 507) no Hoare annotation was computed. [2023-11-19 07:38:34,126 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 349 373) no Hoare annotation was computed. [2023-11-19 07:38:34,126 INFO L895 garLoopResultBuilder]: At program point L363(line 363) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-11-19 07:38:34,126 INFO L895 garLoopResultBuilder]: At program point L359(line 359) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-11-19 07:38:34,126 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 365) no Hoare annotation was computed. [2023-11-19 07:38:34,127 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 433 443) no Hoare annotation was computed. [2023-11-19 07:38:34,127 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 433 443) the Hoare annotation is: true [2023-11-19 07:38:34,127 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 433 443) no Hoare annotation was computed. [2023-11-19 07:38:34,127 INFO L902 garLoopResultBuilder]: At program point L438(line 438) the Hoare annotation is: true [2023-11-19 07:38:34,127 INFO L899 garLoopResultBuilder]: For program point L438-1(line 438) no Hoare annotation was computed. [2023-11-19 07:38:34,130 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 07:38:34,132 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:38:34,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:38:34 BoogieIcfgContainer [2023-11-19 07:38:34,151 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:38:34,152 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:38:34,152 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:38:34,152 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:38:34,152 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:32" (3/4) ... [2023-11-19 07:38:34,154 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:38:34,159 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-19 07:38:34,159 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-19 07:38:34,159 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-19 07:38:34,159 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-19 07:38:34,159 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-19 07:38:34,159 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-19 07:38:34,160 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-19 07:38:34,160 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2023-11-19 07:38:34,160 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2023-11-19 07:38:34,176 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-19 07:38:34,176 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 07:38:34,177 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 07:38:34,177 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:38:34,179 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:38:34,304 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204f527c-1d1b-483f-9c60-b73acb65f5d4/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:38:34,305 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204f527c-1d1b-483f-9c60-b73acb65f5d4/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:38:34,305 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:38:34,305 INFO L158 Benchmark]: Toolchain (without parser) took 3316.56ms. Allocated memory was 125.8MB in the beginning and 153.1MB in the end (delta: 27.3MB). Free memory was 87.9MB in the beginning and 90.3MB in the end (delta: -2.4MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2023-11-19 07:38:34,306 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 125.8MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:38:34,306 INFO L158 Benchmark]: CACSL2BoogieTranslator took 603.05ms. Allocated memory is still 125.8MB. Free memory was 87.9MB in the beginning and 88.4MB in the end (delta: -437.9kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:38:34,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.27ms. Allocated memory is still 125.8MB. Free memory was 88.4MB in the beginning and 86.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:38:34,307 INFO L158 Benchmark]: Boogie Preprocessor took 31.06ms. Allocated memory is still 125.8MB. Free memory was 86.3MB in the beginning and 84.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:38:34,307 INFO L158 Benchmark]: RCFGBuilder took 547.29ms. Allocated memory is still 125.8MB. Free memory was 84.5MB in the beginning and 68.4MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:38:34,308 INFO L158 Benchmark]: TraceAbstraction took 1922.71ms. Allocated memory was 125.8MB in the beginning and 153.1MB in the end (delta: 27.3MB). Free memory was 67.8MB in the beginning and 96.6MB in the end (delta: -28.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:38:34,308 INFO L158 Benchmark]: Witness Printer took 153.20ms. Allocated memory is still 153.1MB. Free memory was 96.6MB in the beginning and 90.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:38:34,310 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 125.8MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 603.05ms. Allocated memory is still 125.8MB. Free memory was 87.9MB in the beginning and 88.4MB in the end (delta: -437.9kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.27ms. Allocated memory is still 125.8MB. Free memory was 88.4MB in the beginning and 86.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.06ms. Allocated memory is still 125.8MB. Free memory was 86.3MB in the beginning and 84.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 547.29ms. Allocated memory is still 125.8MB. Free memory was 84.5MB in the beginning and 68.4MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1922.71ms. Allocated memory was 125.8MB in the beginning and 153.1MB in the end (delta: 27.3MB). Free memory was 67.8MB in the beginning and 96.6MB in the end (delta: -28.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 153.20ms. Allocated memory is still 153.1MB. Free memory was 96.6MB in the beginning and 90.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [153] - GenericResultAtLocation [Line: 247]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [247] - GenericResultAtLocation [Line: 282]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [282] - GenericResultAtLocation [Line: 310]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [310] - GenericResultAtLocation [Line: 523]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [523] - GenericResultAtLocation [Line: 590]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [590] - 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: 595]: 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 10 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 260 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 256 mSDsluCounter, 911 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 534 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 125 IncrementalHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 377 mSDtfsCounter, 125 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=182occurred in iteration=3, InterpolantAutomatonStates: 16, 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, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 201 PreInvPairs, 220 NumberOfFragments, 120 HoareAnnotationTreeSize, 201 FomulaSimplifications, 9 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FomulaSimplificationsInter, 457 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 207 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: 534]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-19 07:38:34,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204f527c-1d1b-483f-9c60-b73acb65f5d4/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