./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product23.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_3ce180f3-963b-454b-9aff-41ad901f1238/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce180f3-963b-454b-9aff-41ad901f1238/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_3ce180f3-963b-454b-9aff-41ad901f1238/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce180f3-963b-454b-9aff-41ad901f1238/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce180f3-963b-454b-9aff-41ad901f1238/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_3ce180f3-963b-454b-9aff-41ad901f1238/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 df939eacd07971dbe984826c04d07f64706b0716dba249ed14f3095e44967ff6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:38:52,292 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:38:52,417 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce180f3-963b-454b-9aff-41ad901f1238/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:38:52,425 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:38:52,426 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:38:52,461 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:38:52,462 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:38:52,462 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:38:52,463 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:38:52,463 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:38:52,464 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:38:52,465 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:38:52,465 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:38:52,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:38:52,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:38:52,471 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:38:52,472 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:38:52,473 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:38:52,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:38:52,475 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:38:52,475 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:38:52,476 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:38:52,477 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:38:52,477 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:38:52,477 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:38:52,478 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:38:52,479 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:38:52,479 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:38:52,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:38:52,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:38:52,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:38:52,482 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:38:52,482 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:38:52,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:38:52,483 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:38:52,483 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:38:52,483 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:38:52,483 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:38:52,484 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:38:52,484 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_3ce180f3-963b-454b-9aff-41ad901f1238/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce180f3-963b-454b-9aff-41ad901f1238/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df939eacd07971dbe984826c04d07f64706b0716dba249ed14f3095e44967ff6 [2023-11-19 07:38:52,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:38:52,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:38:52,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:38:52,797 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:38:52,797 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:38:52,799 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce180f3-963b-454b-9aff-41ad901f1238/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2023-11-19 07:38:55,983 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:38:56,348 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:38:56,350 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce180f3-963b-454b-9aff-41ad901f1238/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2023-11-19 07:38:56,366 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce180f3-963b-454b-9aff-41ad901f1238/bin/uautomizer-verify-uCwYo4JHxu/data/ec90bd743/11801139a37948a1848fe5cd23c60e03/FLAGf55985899 [2023-11-19 07:38:56,383 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce180f3-963b-454b-9aff-41ad901f1238/bin/uautomizer-verify-uCwYo4JHxu/data/ec90bd743/11801139a37948a1848fe5cd23c60e03 [2023-11-19 07:38:56,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:38:56,388 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:38:56,390 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:56,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:38:56,398 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:38:56,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:56" (1/1) ... [2023-11-19 07:38:56,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eee45b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:56, skipping insertion in model container [2023-11-19 07:38:56,401 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:56" (1/1) ... [2023-11-19 07:38:56,469 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:38:56,720 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_3ce180f3-963b-454b-9aff-41ad901f1238/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c[13383,13396] [2023-11-19 07:38:56,752 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:56,765 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:38:56,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-11-19 07:38:56,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [145] [2023-11-19 07:38:56,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [186] [2023-11-19 07:38:56,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [552] [2023-11-19 07:38:56,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [561] [2023-11-19 07:38:56,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [631] [2023-11-19 07:38:56,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [827] [2023-11-19 07:38:56,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [865] [2023-11-19 07:38:56,882 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_3ce180f3-963b-454b-9aff-41ad901f1238/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c[13383,13396] [2023-11-19 07:38:56,896 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:56,931 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:38:56,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:56 WrapperNode [2023-11-19 07:38:56,932 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:56,933 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:56,934 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:38:56,934 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:38:56,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:56" (1/1) ... [2023-11-19 07:38:56,970 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:56" (1/1) ... [2023-11-19 07:38:57,004 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 191 [2023-11-19 07:38:57,004 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:57,005 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:38:57,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:38:57,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:38:57,016 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:56" (1/1) ... [2023-11-19 07:38:57,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:56" (1/1) ... [2023-11-19 07:38:57,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:56" (1/1) ... [2023-11-19 07:38:57,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:56" (1/1) ... [2023-11-19 07:38:57,027 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:56" (1/1) ... [2023-11-19 07:38:57,033 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:56" (1/1) ... [2023-11-19 07:38:57,045 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:56" (1/1) ... [2023-11-19 07:38:57,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:56" (1/1) ... [2023-11-19 07:38:57,049 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:38:57,051 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:38:57,051 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:38:57,051 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:38:57,052 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:56" (1/1) ... [2023-11-19 07:38:57,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:38:57,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce180f3-963b-454b-9aff-41ad901f1238/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:57,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce180f3-963b-454b-9aff-41ad901f1238/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:38:57,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce180f3-963b-454b-9aff-41ad901f1238/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:38:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:38:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-19 07:38:57,128 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-19 07:38:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-19 07:38:57,128 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-19 07:38:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-19 07:38:57,129 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-19 07:38:57,129 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-19 07:38:57,129 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-19 07:38:57,129 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-19 07:38:57,129 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-19 07:38:57,130 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-19 07:38:57,130 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-19 07:38:57,130 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-19 07:38:57,130 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-19 07:38:57,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:38:57,131 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-19 07:38:57,132 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-19 07:38:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:38:57,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:38:57,226 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:38:57,228 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:38:57,500 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:38:57,511 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:38:57,516 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:38:57,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:57 BoogieIcfgContainer [2023-11-19 07:38:57,523 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:38:57,526 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:38:57,528 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:38:57,531 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:38:57,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:38:56" (1/3) ... [2023-11-19 07:38:57,532 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@184bf36c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:57, skipping insertion in model container [2023-11-19 07:38:57,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:56" (2/3) ... [2023-11-19 07:38:57,534 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@184bf36c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:57, skipping insertion in model container [2023-11-19 07:38:57,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:57" (3/3) ... [2023-11-19 07:38:57,536 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product23.cil.c [2023-11-19 07:38:57,556 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:38:57,556 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:38:57,606 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:38:57,613 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;@34e605ab, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:38:57,613 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:38:57,617 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 68 states have (on average 1.3823529411764706) internal successors, (94), 77 states have internal predecessors, (94), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 07:38:57,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 07:38:57,628 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:57,628 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 07:38:57,629 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:38:57,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:57,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1564968058, now seen corresponding path program 1 times [2023-11-19 07:38:57,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:57,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706572633] [2023-11-19 07:38:57,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:57,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:57,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-19 07:38:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:57,861 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 07:38:57,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:57,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706572633] [2023-11-19 07:38:57,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706572633] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:57,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:57,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:38:57,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624579203] [2023-11-19 07:38:57,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:57,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:38:57,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:57,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:38:57,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:38:57,903 INFO L87 Difference]: Start difference. First operand has 93 states, 68 states have (on average 1.3823529411764706) internal successors, (94), 77 states have internal predecessors, (94), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) 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 07:38:57,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:57,940 INFO L93 Difference]: Finished difference Result 177 states and 242 transitions. [2023-11-19 07:38:57,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:38:57,942 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 07:38:57,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:57,952 INFO L225 Difference]: With dead ends: 177 [2023-11-19 07:38:57,953 INFO L226 Difference]: Without dead ends: 84 [2023-11-19 07:38:57,957 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 07:38:57,961 INFO L413 NwaCegarLoop]: 118 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, 118 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 07:38:57,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:57,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-19 07:38:58,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-11-19 07:38:58,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 61 states have (on average 1.3114754098360655) internal successors, (80), 69 states have internal predecessors, (80), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 07:38:58,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 109 transitions. [2023-11-19 07:38:58,012 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 109 transitions. Word has length 25 [2023-11-19 07:38:58,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:58,012 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 109 transitions. [2023-11-19 07:38:58,013 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 07:38:58,013 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 109 transitions. [2023-11-19 07:38:58,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 07:38:58,016 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:58,016 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 07:38:58,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:38:58,017 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:38:58,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:58,018 INFO L85 PathProgramCache]: Analyzing trace with hash 13012176, now seen corresponding path program 1 times [2023-11-19 07:38:58,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:58,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60865390] [2023-11-19 07:38:58,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:58,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:38:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,205 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 07:38:58,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:58,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60865390] [2023-11-19 07:38:58,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60865390] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:58,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:58,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:38:58,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416498194] [2023-11-19 07:38:58,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:58,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:38:58,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:58,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:38:58,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:38:58,215 INFO L87 Difference]: Start difference. First operand 84 states and 109 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 07:38:58,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:58,257 INFO L93 Difference]: Finished difference Result 129 states and 167 transitions. [2023-11-19 07:38:58,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:38:58,259 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 07:38:58,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:58,262 INFO L225 Difference]: With dead ends: 129 [2023-11-19 07:38:58,263 INFO L226 Difference]: Without dead ends: 75 [2023-11-19 07:38:58,265 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 07:38:58,269 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 16 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 171 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 07:38:58,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 171 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:58,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-19 07:38:58,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-19 07:38:58,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 55 states have (on average 1.3272727272727274) internal successors, (73), 63 states have internal predecessors, (73), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 07:38:58,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 97 transitions. [2023-11-19 07:38:58,298 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 97 transitions. Word has length 26 [2023-11-19 07:38:58,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:58,298 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 97 transitions. [2023-11-19 07:38:58,299 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 07:38:58,299 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 97 transitions. [2023-11-19 07:38:58,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 07:38:58,303 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:58,303 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:58,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:38:58,304 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:38:58,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:58,306 INFO L85 PathProgramCache]: Analyzing trace with hash -909224996, now seen corresponding path program 1 times [2023-11-19 07:38:58,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:58,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081095018] [2023-11-19 07:38:58,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:58,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:38:58,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,488 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 07:38:58,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:58,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081095018] [2023-11-19 07:38:58,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081095018] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:58,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:58,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:38:58,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601375468] [2023-11-19 07:38:58,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:58,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:38:58,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:58,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:38:58,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:38:58,494 INFO L87 Difference]: Start difference. First operand 75 states and 97 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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 07:38:58,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:58,781 INFO L93 Difference]: Finished difference Result 251 states and 332 transitions. [2023-11-19 07:38:58,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:38:58,782 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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 30 [2023-11-19 07:38:58,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:58,786 INFO L225 Difference]: With dead ends: 251 [2023-11-19 07:38:58,786 INFO L226 Difference]: Without dead ends: 184 [2023-11-19 07:38:58,787 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 07:38:58,789 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 199 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:58,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 464 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:38:58,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2023-11-19 07:38:58,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 178. [2023-11-19 07:38:58,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 129 states have (on average 1.3643410852713178) internal successors, (176), 147 states have internal predecessors, (176), 29 states have call successors, (29), 19 states have call predecessors, (29), 19 states have return successors, (30), 19 states have call predecessors, (30), 29 states have call successors, (30) [2023-11-19 07:38:58,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 235 transitions. [2023-11-19 07:38:58,832 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 235 transitions. Word has length 30 [2023-11-19 07:38:58,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:58,832 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 235 transitions. [2023-11-19 07:38:58,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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 07:38:58,833 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 235 transitions. [2023-11-19 07:38:58,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 07:38:58,835 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:58,835 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 07:38:58,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:38:58,836 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:38:58,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:58,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1198330854, now seen corresponding path program 1 times [2023-11-19 07:38:58,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:58,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998010055] [2023-11-19 07:38:58,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:58,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:58,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:59,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-19 07:38:59,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:59,033 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 07:38:59,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:59,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998010055] [2023-11-19 07:38:59,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998010055] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:59,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:59,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:38:59,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787577965] [2023-11-19 07:38:59,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:59,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:38:59,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:59,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:38:59,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:59,037 INFO L87 Difference]: Start difference. First operand 178 states and 235 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 07:38:59,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:59,113 INFO L93 Difference]: Finished difference Result 308 states and 408 transitions. [2023-11-19 07:38:59,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:38:59,113 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 07:38:59,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:59,114 INFO L225 Difference]: With dead ends: 308 [2023-11-19 07:38:59,115 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:38:59,117 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 07:38:59,119 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 40 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 166 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 07:38:59,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 166 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:59,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:38:59,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:38:59,121 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 07:38:59,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:38:59,121 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2023-11-19 07:38:59,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:59,122 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:38:59,122 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 07:38:59,122 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:38:59,122 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:38:59,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:38:59,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:38:59,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:38:59,431 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 729 736) no Hoare annotation was computed. [2023-11-19 07:38:59,431 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 729 736) the Hoare annotation is: true [2023-11-19 07:38:59,432 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 729 736) no Hoare annotation was computed. [2023-11-19 07:38:59,432 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 662 668) no Hoare annotation was computed. [2023-11-19 07:38:59,433 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 662 668) the Hoare annotation is: true [2023-11-19 07:38:59,433 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 83 94) the Hoare annotation is: true [2023-11-19 07:38:59,433 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2023-11-19 07:38:59,433 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2023-11-19 07:38:59,433 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 867 896) no Hoare annotation was computed. [2023-11-19 07:38:59,434 INFO L899 garLoopResultBuilder]: For program point L892(lines 867 896) no Hoare annotation was computed. [2023-11-19 07:38:59,434 INFO L899 garLoopResultBuilder]: For program point L888(line 888) no Hoare annotation was computed. [2023-11-19 07:38:59,435 INFO L899 garLoopResultBuilder]: For program point L881(lines 881 885) no Hoare annotation was computed. [2023-11-19 07:38:59,435 INFO L902 garLoopResultBuilder]: At program point L881-1(lines 881 885) the Hoare annotation is: true [2023-11-19 07:38:59,435 INFO L899 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2023-11-19 07:38:59,435 INFO L902 garLoopResultBuilder]: At program point L877-2(lines 877 891) the Hoare annotation is: true [2023-11-19 07:38:59,437 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 867 896) the Hoare annotation is: true [2023-11-19 07:38:59,437 INFO L902 garLoopResultBuilder]: At program point L873(line 873) the Hoare annotation is: true [2023-11-19 07:38:59,437 INFO L899 garLoopResultBuilder]: For program point L873-1(line 873) no Hoare annotation was computed. [2023-11-19 07:38:59,438 INFO L899 garLoopResultBuilder]: For program point L642-1(lines 641 660) no Hoare annotation was computed. [2023-11-19 07:38:59,438 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 712) no Hoare annotation was computed. [2023-11-19 07:38:59,438 INFO L899 garLoopResultBuilder]: For program point L700(lines 700 717) no Hoare annotation was computed. [2023-11-19 07:38:59,438 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 638 661) no Hoare annotation was computed. [2023-11-19 07:38:59,439 INFO L895 garLoopResultBuilder]: At program point L742(line 742) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-19 07:38:59,439 INFO L899 garLoopResultBuilder]: For program point L742-1(line 742) no Hoare annotation was computed. [2023-11-19 07:38:59,439 INFO L899 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2023-11-19 07:38:59,439 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 179) no Hoare annotation was computed. [2023-11-19 07:38:59,439 INFO L895 garLoopResultBuilder]: At program point L710(line 710) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-19 07:38:59,440 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 182) no Hoare annotation was computed. [2023-11-19 07:38:59,440 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 157 185) no Hoare annotation was computed. [2023-11-19 07:38:59,440 INFO L895 garLoopResultBuilder]: At program point L706(line 706) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-19 07:38:59,441 INFO L895 garLoopResultBuilder]: At program point L715(line 715) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2023-11-19 07:38:59,441 INFO L899 garLoopResultBuilder]: For program point L715-1(lines 696 720) no Hoare annotation was computed. [2023-11-19 07:38:59,441 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 176) no Hoare annotation was computed. [2023-11-19 07:38:59,442 INFO L899 garLoopResultBuilder]: For program point __automaton_fail_returnLabel#1(lines 553 560) no Hoare annotation was computed. [2023-11-19 07:38:59,442 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 638 661) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-19 07:38:59,442 INFO L899 garLoopResultBuilder]: For program point L649-1(lines 649 655) no Hoare annotation was computed. [2023-11-19 07:38:59,443 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2023-11-19 07:38:59,443 INFO L899 garLoopResultBuilder]: For program point L63-2(lines 59 70) no Hoare annotation was computed. [2023-11-19 07:38:59,443 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 638 661) no Hoare annotation was computed. [2023-11-19 07:38:59,443 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarm_returnLabel#1(lines 737 747) no Hoare annotation was computed. [2023-11-19 07:38:59,443 INFO L899 garLoopResultBuilder]: For program point isPumpRunning_returnLabel#1(lines 748 756) no Hoare annotation was computed. [2023-11-19 07:38:59,449 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 557) no Hoare annotation was computed. [2023-11-19 07:38:59,449 INFO L895 garLoopResultBuilder]: At program point L163(line 163) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-19 07:38:59,450 INFO L899 garLoopResultBuilder]: For program point L163-1(line 163) no Hoare annotation was computed. [2023-11-19 07:38:59,450 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 95 103) the Hoare annotation is: true [2023-11-19 07:38:59,450 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2023-11-19 07:38:59,450 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2023-11-19 07:38:59,450 INFO L899 garLoopResultBuilder]: For program point L576(lines 575 622) no Hoare annotation was computed. [2023-11-19 07:38:59,451 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 618) no Hoare annotation was computed. [2023-11-19 07:38:59,451 INFO L895 garLoopResultBuilder]: At program point L597(line 597) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 07:38:59,451 INFO L899 garLoopResultBuilder]: For program point L626(lines 565 630) no Hoare annotation was computed. [2023-11-19 07:38:59,451 INFO L899 garLoopResultBuilder]: For program point L816(lines 816 822) no Hoare annotation was computed. [2023-11-19 07:38:59,452 INFO L899 garLoopResultBuilder]: For program point L816-1(lines 816 822) no Hoare annotation was computed. [2023-11-19 07:38:59,452 INFO L899 garLoopResultBuilder]: For program point runTest_returnLabel#1(lines 928 938) no Hoare annotation was computed. [2023-11-19 07:38:59,452 INFO L899 garLoopResultBuilder]: For program point select_features_returnLabel#1(lines 842 848) no Hoare annotation was computed. [2023-11-19 07:38:59,452 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 591) no Hoare annotation was computed. [2023-11-19 07:38:59,452 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 939 961) no Hoare annotation was computed. [2023-11-19 07:38:59,452 INFO L899 garLoopResultBuilder]: For program point L585-1(lines 585 591) no Hoare annotation was computed. [2023-11-19 07:38:59,453 INFO L899 garLoopResultBuilder]: For program point L577(lines 577 581) no Hoare annotation was computed. [2023-11-19 07:38:59,453 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:38:59,453 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:38:59,453 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 956) no Hoare annotation was computed. [2023-11-19 07:38:59,453 INFO L899 garLoopResultBuilder]: For program point L949-2(lines 949 956) no Hoare annotation was computed. [2023-11-19 07:38:59,454 INFO L895 garLoopResultBuilder]: At program point L623(lines 574 624) the Hoare annotation is: false [2023-11-19 07:38:59,454 INFO L899 garLoopResultBuilder]: For program point setup_returnLabel#1(lines 921 927) no Hoare annotation was computed. [2023-11-19 07:38:59,454 INFO L899 garLoopResultBuilder]: For program point L611(lines 611 617) no Hoare annotation was computed. [2023-11-19 07:38:59,454 INFO L895 garLoopResultBuilder]: At program point L611-2(lines 605 618) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 07:38:59,454 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:38:59,455 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 601) no Hoare annotation was computed. [2023-11-19 07:38:59,455 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 595 601) no Hoare annotation was computed. [2023-11-19 07:38:59,455 INFO L895 garLoopResultBuilder]: At program point L818(line 818) the Hoare annotation is: false [2023-11-19 07:38:59,455 INFO L895 garLoopResultBuilder]: At program point L620(lines 575 622) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 07:38:59,455 INFO L895 garLoopResultBuilder]: At program point L587(line 587) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 07:38:59,456 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:38:59,456 INFO L899 garLoopResultBuilder]: For program point select_helpers_returnLabel#1(lines 849 855) no Hoare annotation was computed. [2023-11-19 07:38:59,456 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__1_returnLabel#1(lines 149 156) no Hoare annotation was computed. [2023-11-19 07:38:59,456 INFO L899 garLoopResultBuilder]: For program point stopSystem_returnLabel#1(lines 812 826) no Hoare annotation was computed. [2023-11-19 07:38:59,456 INFO L899 garLoopResultBuilder]: For program point valid_product_returnLabel#1(lines 856 864) no Hoare annotation was computed. [2023-11-19 07:38:59,457 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2023-11-19 07:38:59,457 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2023-11-19 07:38:59,457 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 71 82) the Hoare annotation is: true [2023-11-19 07:38:59,457 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDry_returnLabel#1(lines 136 144) no Hoare annotation was computed. [2023-11-19 07:38:59,457 INFO L895 garLoopResultBuilder]: At program point L684(line 684) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-11-19 07:38:59,458 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 670 694) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-11-19 07:38:59,458 INFO L895 garLoopResultBuilder]: At program point L680(line 680) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-11-19 07:38:59,458 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 686) no Hoare annotation was computed. [2023-11-19 07:38:59,458 INFO L899 garLoopResultBuilder]: For program point L674(lines 674 691) no Hoare annotation was computed. [2023-11-19 07:38:59,458 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 806) no Hoare annotation was computed. [2023-11-19 07:38:59,458 INFO L899 garLoopResultBuilder]: For program point L802-2(lines 802 806) no Hoare annotation was computed. [2023-11-19 07:38:59,459 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevel_returnLabel#1(lines 793 811) no Hoare annotation was computed. [2023-11-19 07:38:59,459 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 670 694) no Hoare annotation was computed. [2023-11-19 07:38:59,459 INFO L895 garLoopResultBuilder]: At program point L689(line 689) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-11-19 07:38:59,459 INFO L899 garLoopResultBuilder]: For program point L689-1(lines 670 694) no Hoare annotation was computed. [2023-11-19 07:38:59,464 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 07:38:59,466 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:38:59,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:38:59 BoogieIcfgContainer [2023-11-19 07:38:59,486 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:38:59,487 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:38:59,487 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:38:59,488 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:38:59,488 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:57" (3/4) ... [2023-11-19 07:38:59,491 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:38:59,498 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-19 07:38:59,499 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-19 07:38:59,499 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-19 07:38:59,499 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-19 07:38:59,499 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-19 07:38:59,499 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-19 07:38:59,500 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-19 07:38:59,500 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2023-11-19 07:38:59,518 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-19 07:38:59,519 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 07:38:59,520 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 07:38:59,520 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:38:59,521 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:38:59,671 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce180f3-963b-454b-9aff-41ad901f1238/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:38:59,671 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce180f3-963b-454b-9aff-41ad901f1238/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:38:59,671 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:38:59,672 INFO L158 Benchmark]: Toolchain (without parser) took 3283.99ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 105.9MB in the beginning and 113.3MB in the end (delta: -7.4MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2023-11-19 07:38:59,672 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory was 46.9MB in the beginning and 46.7MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:38:59,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.31ms. Allocated memory is still 144.7MB. Free memory was 105.9MB in the beginning and 86.3MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:38:59,673 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.28ms. Allocated memory is still 144.7MB. Free memory was 86.3MB in the beginning and 84.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:38:59,674 INFO L158 Benchmark]: Boogie Preprocessor took 44.44ms. Allocated memory is still 144.7MB. Free memory was 84.2MB in the beginning and 82.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:38:59,674 INFO L158 Benchmark]: RCFGBuilder took 472.32ms. Allocated memory is still 144.7MB. Free memory was 82.5MB in the beginning and 66.1MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:38:59,674 INFO L158 Benchmark]: TraceAbstraction took 1960.84ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 65.3MB in the beginning and 119.6MB in the end (delta: -54.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:38:59,675 INFO L158 Benchmark]: Witness Printer took 184.26ms. Allocated memory is still 184.5MB. Free memory was 119.6MB in the beginning and 113.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:38:59,678 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory was 46.9MB in the beginning and 46.7MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 542.31ms. Allocated memory is still 144.7MB. Free memory was 105.9MB in the beginning and 86.3MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.28ms. Allocated memory is still 144.7MB. Free memory was 86.3MB in the beginning and 84.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.44ms. Allocated memory is still 144.7MB. Free memory was 84.2MB in the beginning and 82.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 472.32ms. Allocated memory is still 144.7MB. Free memory was 82.5MB in the beginning and 66.1MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1960.84ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 65.3MB in the beginning and 119.6MB in the end (delta: -54.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 184.26ms. Allocated memory is still 184.5MB. Free memory was 119.6MB in the beginning and 113.3MB 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 145]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [145] - GenericResultAtLocation [Line: 186]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [186] - GenericResultAtLocation [Line: 552]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [552] - GenericResultAtLocation [Line: 561]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [561] - GenericResultAtLocation [Line: 631]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [631] - GenericResultAtLocation [Line: 827]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [827] - GenericResultAtLocation [Line: 865]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [865] * 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: 557]: 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 9 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 259 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 255 mSDsluCounter, 919 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 541 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 121 IncrementalHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 378 mSDtfsCounter, 121 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=178occurred 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, 25 LocationsWithAnnotation, 191 PreInvPairs, 210 NumberOfFragments, 118 HoareAnnotationTreeSize, 191 FomulaSimplifications, 9 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 457 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 220 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: 574]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-19 07:38:59,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce180f3-963b-454b-9aff-41ad901f1238/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE