./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_49620ece-4262-4398-91e0-aaa87722e9ca/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49620ece-4262-4398-91e0-aaa87722e9ca/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49620ece-4262-4398-91e0-aaa87722e9ca/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49620ece-4262-4398-91e0-aaa87722e9ca/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49620ece-4262-4398-91e0-aaa87722e9ca/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49620ece-4262-4398-91e0-aaa87722e9ca/bin/uautomizer-verify-uTZkv6EMXl --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 4ef00a1384831ff7ef4c918e957ad9d5bbb60c08f91b05efbf00076fbc049000 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:31:11,832 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:31:11,983 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49620ece-4262-4398-91e0-aaa87722e9ca/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:31:11,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:31:11,992 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:31:12,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:31:12,032 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:31:12,033 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:31:12,034 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:31:12,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:31:12,041 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:31:12,041 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:31:12,042 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:31:12,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:31:12,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:31:12,045 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:31:12,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:31:12,046 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:31:12,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:31:12,047 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:31:12,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:31:12,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:31:12,048 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:31:12,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:31:12,050 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:31:12,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:31:12,052 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:31:12,052 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:31:12,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:31:12,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:31:12,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:31:12,055 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:31:12,055 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:31:12,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:31:12,055 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:31:12,056 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:31:12,056 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:31:12,056 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:31:12,056 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:31:12,057 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_49620ece-4262-4398-91e0-aaa87722e9ca/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49620ece-4262-4398-91e0-aaa87722e9ca/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef00a1384831ff7ef4c918e957ad9d5bbb60c08f91b05efbf00076fbc049000 [2023-11-12 02:31:12,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:31:12,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:31:12,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:31:12,419 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:31:12,420 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:31:12,421 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49620ece-4262-4398-91e0-aaa87722e9ca/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2023-11-12 02:31:15,515 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:31:15,768 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:31:15,769 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49620ece-4262-4398-91e0-aaa87722e9ca/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2023-11-12 02:31:15,795 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49620ece-4262-4398-91e0-aaa87722e9ca/bin/uautomizer-verify-uTZkv6EMXl/data/5a61a8a5a/e1de326e3b9e4f9abbae4ef0ee60fe19/FLAG490122b38 [2023-11-12 02:31:15,810 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49620ece-4262-4398-91e0-aaa87722e9ca/bin/uautomizer-verify-uTZkv6EMXl/data/5a61a8a5a/e1de326e3b9e4f9abbae4ef0ee60fe19 [2023-11-12 02:31:15,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:31:15,814 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:31:15,815 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:31:15,816 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:31:15,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:31:15,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:31:15" (1/1) ... [2023-11-12 02:31:15,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d03d70a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:15, skipping insertion in model container [2023-11-12 02:31:15,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:31:15" (1/1) ... [2023-11-12 02:31:15,873 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:31:16,161 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_49620ece-4262-4398-91e0-aaa87722e9ca/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c[17451,17464] [2023-11-12 02:31:16,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:31:16,190 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:31:16,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2023-11-12 02:31:16,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [262] [2023-11-12 02:31:16,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [334] [2023-11-12 02:31:16,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [700] [2023-11-12 02:31:16,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [738] [2023-11-12 02:31:16,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [836] [2023-11-12 02:31:16,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [876] [2023-11-12 02:31:16,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [885] [2023-11-12 02:31:16,255 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_49620ece-4262-4398-91e0-aaa87722e9ca/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c[17451,17464] [2023-11-12 02:31:16,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:31:16,279 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:31:16,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:16 WrapperNode [2023-11-12 02:31:16,279 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:31:16,281 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:31:16,281 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:31:16,281 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:31:16,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:16" (1/1) ... [2023-11-12 02:31:16,313 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:16" (1/1) ... [2023-11-12 02:31:16,351 INFO L138 Inliner]: procedures = 56, calls = 101, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 194 [2023-11-12 02:31:16,351 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:31:16,352 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:31:16,352 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:31:16,352 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:31:16,362 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:16" (1/1) ... [2023-11-12 02:31:16,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:16" (1/1) ... [2023-11-12 02:31:16,373 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:16" (1/1) ... [2023-11-12 02:31:16,374 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:16" (1/1) ... [2023-11-12 02:31:16,379 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:16" (1/1) ... [2023-11-12 02:31:16,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:16" (1/1) ... [2023-11-12 02:31:16,393 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:16" (1/1) ... [2023-11-12 02:31:16,395 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:16" (1/1) ... [2023-11-12 02:31:16,398 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:31:16,398 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:31:16,399 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:31:16,399 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:31:16,400 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:16" (1/1) ... [2023-11-12 02:31:16,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:31:16,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49620ece-4262-4398-91e0-aaa87722e9ca/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:31:16,453 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49620ece-4262-4398-91e0-aaa87722e9ca/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:31:16,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49620ece-4262-4398-91e0-aaa87722e9ca/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:31:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:31:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-12 02:31:16,503 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-12 02:31:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-12 02:31:16,506 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-12 02:31:16,507 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-12 02:31:16,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-12 02:31:16,507 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-12 02:31:16,507 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-12 02:31:16,507 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-12 02:31:16,508 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-12 02:31:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-12 02:31:16,508 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-12 02:31:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-12 02:31:16,509 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-12 02:31:16,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:31:16,509 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-12 02:31:16,510 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-12 02:31:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:31:16,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:31:16,638 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:31:16,646 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:31:16,971 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:31:16,979 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:31:16,979 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 02:31:16,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:31:16 BoogieIcfgContainer [2023-11-12 02:31:16,988 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:31:16,991 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:31:16,991 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:31:16,994 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:31:16,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:31:15" (1/3) ... [2023-11-12 02:31:16,995 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39579136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:31:16, skipping insertion in model container [2023-11-12 02:31:16,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:16" (2/3) ... [2023-11-12 02:31:16,996 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39579136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:31:16, skipping insertion in model container [2023-11-12 02:31:16,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:31:16" (3/3) ... [2023-11-12 02:31:16,998 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product24.cil.c [2023-11-12 02:31:17,022 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:31:17,022 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:31:17,098 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:31:17,109 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;@3f344da2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:31:17,109 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:31:17,115 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 78 states have internal predecessors, (95), 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) [2023-11-12 02:31:17,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-12 02:31:17,128 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:31:17,129 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] [2023-11-12 02:31:17,130 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:31:17,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:17,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1705763640, now seen corresponding path program 1 times [2023-11-12 02:31:17,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:17,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242555185] [2023-11-12 02:31:17,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:17,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:17,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-12 02:31:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:17,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:31:17,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:31:17,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242555185] [2023-11-12 02:31:17,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242555185] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:31:17,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:31:17,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:31:17,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032794642] [2023-11-12 02:31:17,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:31:17,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:31:17,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:31:17,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:31:17,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:31:17,420 INFO L87 Difference]: Start difference. First operand has 94 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 78 states have internal predecessors, (95), 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) [2023-11-12 02:31:17,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:31:17,483 INFO L93 Difference]: Finished difference Result 179 states and 244 transitions. [2023-11-12 02:31:17,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:31:17,487 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 [2023-11-12 02:31:17,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:31:17,500 INFO L225 Difference]: With dead ends: 179 [2023-11-12 02:31:17,500 INFO L226 Difference]: Without dead ends: 85 [2023-11-12 02:31:17,506 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 [2023-11-12 02:31:17,513 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 [2023-11-12 02:31:17,514 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] [2023-11-12 02:31:17,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-12 02:31:17,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2023-11-12 02:31:17,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 70 states have internal predecessors, (81), 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) [2023-11-12 02:31:17,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 110 transitions. [2023-11-12 02:31:17,591 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 110 transitions. Word has length 25 [2023-11-12 02:31:17,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:31:17,591 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 110 transitions. [2023-11-12 02:31:17,592 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) [2023-11-12 02:31:17,592 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 110 transitions. [2023-11-12 02:31:17,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-12 02:31:17,596 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:31:17,597 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] [2023-11-12 02:31:17,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:31:17,597 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:31:17,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:17,599 INFO L85 PathProgramCache]: Analyzing trace with hash 153807758, now seen corresponding path program 1 times [2023-11-12 02:31:17,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:17,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620910046] [2023-11-12 02:31:17,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:17,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:17,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-12 02:31:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:17,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:31:17,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:31:17,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620910046] [2023-11-12 02:31:17,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620910046] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:31:17,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:31:17,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:31:17,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85209055] [2023-11-12 02:31:17,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:31:17,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:31:17,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:31:17,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:31:17,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:31:17,856 INFO L87 Difference]: Start difference. First operand 85 states and 110 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) [2023-11-12 02:31:17,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:31:17,873 INFO L93 Difference]: Finished difference Result 130 states and 168 transitions. [2023-11-12 02:31:17,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:31:17,874 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 [2023-11-12 02:31:17,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:31:17,876 INFO L225 Difference]: With dead ends: 130 [2023-11-12 02:31:17,876 INFO L226 Difference]: Without dead ends: 76 [2023-11-12 02:31:17,877 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 [2023-11-12 02:31:17,879 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 17 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 172 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 [2023-11-12 02:31:17,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 172 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:31:17,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-12 02:31:17,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-11-12 02:31:17,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 64 states have internal predecessors, (74), 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) [2023-11-12 02:31:17,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 98 transitions. [2023-11-12 02:31:17,892 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 98 transitions. Word has length 26 [2023-11-12 02:31:17,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:31:17,892 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 98 transitions. [2023-11-12 02:31:17,892 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) [2023-11-12 02:31:17,893 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions. [2023-11-12 02:31:17,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-12 02:31:17,895 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:31:17,895 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:31:17,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:31:17,895 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:31:17,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:17,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1290936219, now seen corresponding path program 1 times [2023-11-12 02:31:17,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:17,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512316156] [2023-11-12 02:31:17,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:17,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:17,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-12 02:31:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:17,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:31:17,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:31:17,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512316156] [2023-11-12 02:31:17,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512316156] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:31:17,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:31:17,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:31:17,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337632781] [2023-11-12 02:31:17,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:31:17,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:31:17,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:31:17,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:31:17,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:31:17,997 INFO L87 Difference]: Start difference. First operand 76 states and 98 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:31:18,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:31:18,034 INFO L93 Difference]: Finished difference Result 210 states and 277 transitions. [2023-11-12 02:31:18,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:31:18,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2023-11-12 02:31:18,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:31:18,037 INFO L225 Difference]: With dead ends: 210 [2023-11-12 02:31:18,037 INFO L226 Difference]: Without dead ends: 142 [2023-11-12 02:31:18,039 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 [2023-11-12 02:31:18,040 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 90 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:31:18,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 199 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:31:18,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-11-12 02:31:18,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 139. [2023-11-12 02:31:18,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 100 states have (on average 1.35) internal successors, (135), 115 states have internal predecessors, (135), 24 states have call successors, (24), 14 states have call predecessors, (24), 14 states have return successors, (24), 15 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-12 02:31:18,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 183 transitions. [2023-11-12 02:31:18,086 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 183 transitions. Word has length 31 [2023-11-12 02:31:18,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:31:18,087 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 183 transitions. [2023-11-12 02:31:18,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:31:18,088 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 183 transitions. [2023-11-12 02:31:18,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-12 02:31:18,094 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:31:18,095 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] [2023-11-12 02:31:18,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:31:18,097 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:31:18,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:18,099 INFO L85 PathProgramCache]: Analyzing trace with hash -917206296, now seen corresponding path program 1 times [2023-11-12 02:31:18,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:18,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140868593] [2023-11-12 02:31:18,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:18,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:18,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-12 02:31:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:18,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:31:18,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:31:18,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140868593] [2023-11-12 02:31:18,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140868593] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:31:18,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:31:18,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:31:18,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392421512] [2023-11-12 02:31:18,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:31:18,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:31:18,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:31:18,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:31:18,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:31:18,370 INFO L87 Difference]: Start difference. First operand 139 states and 183 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) [2023-11-12 02:31:18,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:31:18,434 INFO L93 Difference]: Finished difference Result 234 states and 307 transitions. [2023-11-12 02:31:18,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:31:18,435 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 [2023-11-12 02:31:18,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:31:18,435 INFO L225 Difference]: With dead ends: 234 [2023-11-12 02:31:18,436 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 02:31:18,437 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 [2023-11-12 02:31:18,439 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 41 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 169 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 [2023-11-12 02:31:18,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 169 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:31:18,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 02:31:18,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 02:31:18,441 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) [2023-11-12 02:31:18,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 02:31:18,441 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2023-11-12 02:31:18,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:31:18,441 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:31:18,442 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) [2023-11-12 02:31:18,442 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:31:18,442 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 02:31:18,449 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:31:18,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:31:18,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 02:31:18,693 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 156 163) no Hoare annotation was computed. [2023-11-12 02:31:18,693 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 156 163) the Hoare annotation is: true [2023-11-12 02:31:18,694 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 156 163) no Hoare annotation was computed. [2023-11-12 02:31:18,694 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 89 95) no Hoare annotation was computed. [2023-11-12 02:31:18,695 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 89 95) the Hoare annotation is: true [2023-11-12 02:31:18,695 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 913 924) the Hoare annotation is: true [2023-11-12 02:31:18,695 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 913 924) no Hoare annotation was computed. [2023-11-12 02:31:18,695 INFO L899 garLoopResultBuilder]: For program point L917-1(lines 913 924) no Hoare annotation was computed. [2023-11-12 02:31:18,696 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 740 769) no Hoare annotation was computed. [2023-11-12 02:31:18,697 INFO L899 garLoopResultBuilder]: For program point L765(lines 740 769) no Hoare annotation was computed. [2023-11-12 02:31:18,697 INFO L899 garLoopResultBuilder]: For program point L761(line 761) no Hoare annotation was computed. [2023-11-12 02:31:18,697 INFO L899 garLoopResultBuilder]: For program point L754(lines 754 758) no Hoare annotation was computed. [2023-11-12 02:31:18,698 INFO L902 garLoopResultBuilder]: At program point L754-1(lines 754 758) the Hoare annotation is: true [2023-11-12 02:31:18,698 INFO L899 garLoopResultBuilder]: For program point L751(line 751) no Hoare annotation was computed. [2023-11-12 02:31:18,698 INFO L902 garLoopResultBuilder]: At program point L750-2(lines 750 764) the Hoare annotation is: true [2023-11-12 02:31:18,700 INFO L902 garLoopResultBuilder]: At program point L746(line 746) the Hoare annotation is: true [2023-11-12 02:31:18,700 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 740 769) the Hoare annotation is: true [2023-11-12 02:31:18,700 INFO L899 garLoopResultBuilder]: For program point L746-1(line 746) no Hoare annotation was computed. [2023-11-12 02:31:18,701 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 925 933) the Hoare annotation is: true [2023-11-12 02:31:18,701 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 925 933) no Hoare annotation was computed. [2023-11-12 02:31:18,701 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 925 933) no Hoare annotation was computed. [2023-11-12 02:31:18,701 INFO L895 garLoopResultBuilder]: At program point L853(line 853) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-12 02:31:18,701 INFO L899 garLoopResultBuilder]: For program point L853-1(line 853) no Hoare annotation was computed. [2023-11-12 02:31:18,702 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 65 88) no Hoare annotation was computed. [2023-11-12 02:31:18,702 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 68 87) no Hoare annotation was computed. [2023-11-12 02:31:18,702 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 139) no Hoare annotation was computed. [2023-11-12 02:31:18,702 INFO L899 garLoopResultBuilder]: For program point L127(lines 127 144) no Hoare annotation was computed. [2023-11-12 02:31:18,703 INFO L895 garLoopResultBuilder]: At program point L169(line 169) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-12 02:31:18,703 INFO L899 garLoopResultBuilder]: For program point L169-1(line 169) no Hoare annotation was computed. [2023-11-12 02:31:18,703 INFO L899 garLoopResultBuilder]: For program point L859(lines 859 869) no Hoare annotation was computed. [2023-11-12 02:31:18,703 INFO L899 garLoopResultBuilder]: For program point L855(lines 855 872) no Hoare annotation was computed. [2023-11-12 02:31:18,704 INFO L899 garLoopResultBuilder]: For program point L855-1(lines 847 875) no Hoare annotation was computed. [2023-11-12 02:31:18,704 INFO L899 garLoopResultBuilder]: For program point __automaton_fail_returnLabel#1(lines 877 884) no Hoare annotation was computed. [2023-11-12 02:31:18,704 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 65 88) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-12 02:31:18,704 INFO L895 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-12 02:31:18,705 INFO L895 garLoopResultBuilder]: At program point L133(line 133) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-12 02:31:18,705 INFO L899 garLoopResultBuilder]: For program point L893(lines 893 897) no Hoare annotation was computed. [2023-11-12 02:31:18,705 INFO L899 garLoopResultBuilder]: For program point L860(lines 860 866) no Hoare annotation was computed. [2023-11-12 02:31:18,705 INFO L899 garLoopResultBuilder]: For program point L893-2(lines 889 900) no Hoare annotation was computed. [2023-11-12 02:31:18,706 INFO L899 garLoopResultBuilder]: For program point L881(line 881) no Hoare annotation was computed. [2023-11-12 02:31:18,710 INFO L895 garLoopResultBuilder]: At program point L142(line 142) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-12 02:31:18,711 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 123 147) no Hoare annotation was computed. [2023-11-12 02:31:18,711 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2023-11-12 02:31:18,711 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 65 88) no Hoare annotation was computed. [2023-11-12 02:31:18,714 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarm_returnLabel#1(lines 164 174) no Hoare annotation was computed. [2023-11-12 02:31:18,715 INFO L899 garLoopResultBuilder]: For program point isPumpRunning_returnLabel#1(lines 175 183) no Hoare annotation was computed. [2023-11-12 02:31:18,715 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 881) no Hoare annotation was computed. [2023-11-12 02:31:18,715 INFO L899 garLoopResultBuilder]: For program point startSystem_returnLabel#1(lines 254 261) no Hoare annotation was computed. [2023-11-12 02:31:18,716 INFO L899 garLoopResultBuilder]: For program point runTest_returnLabel#1(lines 802 812) no Hoare annotation was computed. [2023-11-12 02:31:18,716 INFO L899 garLoopResultBuilder]: For program point select_features_returnLabel#1(lines 715 721) no Hoare annotation was computed. [2023-11-12 02:31:18,718 INFO L899 garLoopResultBuilder]: For program point L329(lines 266 333) no Hoare annotation was computed. [2023-11-12 02:31:18,718 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 813 835) no Hoare annotation was computed. [2023-11-12 02:31:18,718 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 302) no Hoare annotation was computed. [2023-11-12 02:31:18,722 INFO L899 garLoopResultBuilder]: For program point L296-1(lines 296 302) no Hoare annotation was computed. [2023-11-12 02:31:18,722 INFO L895 garLoopResultBuilder]: At program point L288(line 288) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-12 02:31:18,722 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-12 02:31:18,723 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-12 02:31:18,723 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 249) no Hoare annotation was computed. [2023-11-12 02:31:18,723 INFO L899 garLoopResultBuilder]: For program point L243-1(lines 243 249) no Hoare annotation was computed. [2023-11-12 02:31:18,723 INFO L899 garLoopResultBuilder]: For program point setup_returnLabel#1(lines 794 800) no Hoare annotation was computed. [2023-11-12 02:31:18,723 INFO L895 garLoopResultBuilder]: At program point L326(lines 275 327) the Hoare annotation is: false [2023-11-12 02:31:18,723 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 02:31:18,724 INFO L899 garLoopResultBuilder]: For program point L314(lines 314 320) no Hoare annotation was computed. [2023-11-12 02:31:18,724 INFO L895 garLoopResultBuilder]: At program point L314-2(lines 306 321) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-12 02:31:18,724 INFO L899 garLoopResultBuilder]: For program point L277(lines 276 325) no Hoare annotation was computed. [2023-11-12 02:31:18,724 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 321) no Hoare annotation was computed. [2023-11-12 02:31:18,724 INFO L895 garLoopResultBuilder]: At program point L298(line 298) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-12 02:31:18,724 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 02:31:18,725 INFO L899 garLoopResultBuilder]: For program point select_helpers_returnLabel#1(lines 722 728) no Hoare annotation was computed. [2023-11-12 02:31:18,725 INFO L895 garLoopResultBuilder]: At program point L323(lines 276 325) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-12 02:31:18,725 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 292) no Hoare annotation was computed. [2023-11-12 02:31:18,725 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__1_returnLabel#1(lines 839 846) no Hoare annotation was computed. [2023-11-12 02:31:18,725 INFO L899 garLoopResultBuilder]: For program point L286-1(lines 286 292) no Hoare annotation was computed. [2023-11-12 02:31:18,725 INFO L899 garLoopResultBuilder]: For program point L823(lines 823 830) no Hoare annotation was computed. [2023-11-12 02:31:18,725 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 282) no Hoare annotation was computed. [2023-11-12 02:31:18,726 INFO L895 garLoopResultBuilder]: At program point L245(line 245) the Hoare annotation is: false [2023-11-12 02:31:18,726 INFO L899 garLoopResultBuilder]: For program point L823-2(lines 823 830) no Hoare annotation was computed. [2023-11-12 02:31:18,726 INFO L899 garLoopResultBuilder]: For program point stopSystem_returnLabel#1(lines 239 253) no Hoare annotation was computed. [2023-11-12 02:31:18,726 INFO L899 garLoopResultBuilder]: For program point valid_product_returnLabel#1(lines 729 737) no Hoare annotation was computed. [2023-11-12 02:31:18,726 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 901 912) no Hoare annotation was computed. [2023-11-12 02:31:18,726 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 901 912) the Hoare annotation is: true [2023-11-12 02:31:18,726 INFO L899 garLoopResultBuilder]: For program point L905-1(lines 901 912) no Hoare annotation was computed. [2023-11-12 02:31:18,727 INFO L895 garLoopResultBuilder]: At program point L116(line 116) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-12 02:31:18,727 INFO L899 garLoopResultBuilder]: For program point L116-1(lines 97 121) no Hoare annotation was computed. [2023-11-12 02:31:18,727 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDry_returnLabel#1(lines 966 974) no Hoare annotation was computed. [2023-11-12 02:31:18,727 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 97 121) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-12 02:31:18,727 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevel_returnLabel#1(lines 220 238) no Hoare annotation was computed. [2023-11-12 02:31:18,727 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 97 121) no Hoare annotation was computed. [2023-11-12 02:31:18,728 INFO L895 garLoopResultBuilder]: At program point L111(line 111) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-12 02:31:18,728 INFO L895 garLoopResultBuilder]: At program point L107(line 107) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-12 02:31:18,728 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 113) no Hoare annotation was computed. [2023-11-12 02:31:18,728 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 118) no Hoare annotation was computed. [2023-11-12 02:31:18,728 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 233) no Hoare annotation was computed. [2023-11-12 02:31:18,728 INFO L899 garLoopResultBuilder]: For program point L229-2(lines 229 233) no Hoare annotation was computed. [2023-11-12 02:31:18,731 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-12 02:31:18,733 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:31:18,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:31:18 BoogieIcfgContainer [2023-11-12 02:31:18,754 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:31:18,754 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:31:18,754 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:31:18,754 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:31:18,755 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:31:16" (3/4) ... [2023-11-12 02:31:18,758 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:31:18,763 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-12 02:31:18,763 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-12 02:31:18,763 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-12 02:31:18,764 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-12 02:31:18,764 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-12 02:31:18,764 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-12 02:31:18,764 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-12 02:31:18,764 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2023-11-12 02:31:18,779 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-12 02:31:18,779 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-12 02:31:18,780 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-12 02:31:18,780 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:31:18,781 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:31:18,897 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49620ece-4262-4398-91e0-aaa87722e9ca/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:31:18,897 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49620ece-4262-4398-91e0-aaa87722e9ca/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:31:18,898 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:31:18,898 INFO L158 Benchmark]: Toolchain (without parser) took 3084.32ms. Allocated memory is still 146.8MB. Free memory was 107.2MB in the beginning and 50.2MB in the end (delta: 56.9MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2023-11-12 02:31:18,899 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 109.1MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:31:18,899 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.59ms. Allocated memory is still 146.8MB. Free memory was 106.7MB in the beginning and 87.3MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 02:31:18,900 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.71ms. Allocated memory is still 146.8MB. Free memory was 87.3MB in the beginning and 85.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:31:18,900 INFO L158 Benchmark]: Boogie Preprocessor took 45.85ms. Allocated memory is still 146.8MB. Free memory was 85.3MB in the beginning and 83.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:31:18,901 INFO L158 Benchmark]: RCFGBuilder took 589.91ms. Allocated memory is still 146.8MB. Free memory was 83.7MB in the beginning and 66.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 02:31:18,901 INFO L158 Benchmark]: TraceAbstraction took 1762.77ms. Allocated memory is still 146.8MB. Free memory was 66.4MB in the beginning and 57.9MB in the end (delta: 8.5MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2023-11-12 02:31:18,901 INFO L158 Benchmark]: Witness Printer took 143.74ms. Allocated memory is still 146.8MB. Free memory was 57.2MB in the beginning and 50.2MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 02:31:18,903 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 109.1MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.59ms. Allocated memory is still 146.8MB. Free memory was 106.7MB in the beginning and 87.3MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.71ms. Allocated memory is still 146.8MB. Free memory was 87.3MB in the beginning and 85.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.85ms. Allocated memory is still 146.8MB. Free memory was 85.3MB in the beginning and 83.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 589.91ms. Allocated memory is still 146.8MB. Free memory was 83.7MB in the beginning and 66.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1762.77ms. Allocated memory is still 146.8MB. Free memory was 66.4MB in the beginning and 57.9MB in the end (delta: 8.5MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Witness Printer took 143.74ms. Allocated memory is still 146.8MB. Free memory was 57.2MB in the beginning and 50.2MB in the end (delta: 7.0MB). 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,"MinePump.i","") [49] - GenericResultAtLocation [Line: 262]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [262] - GenericResultAtLocation [Line: 334]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [334] - GenericResultAtLocation [Line: 700]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [700] - GenericResultAtLocation [Line: 738]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [738] - GenericResultAtLocation [Line: 836]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [836] - GenericResultAtLocation [Line: 876]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [876] - GenericResultAtLocation [Line: 885]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [885] * 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: 881]: 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, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 152 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 148 mSDsluCounter, 659 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 271 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 388 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=3, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 172 PreInvPairs, 184 NumberOfFragments, 99 HoareAnnotationTreeSize, 172 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 239 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-12 02:31:18,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49620ece-4262-4398-91e0-aaa87722e9ca/bin/uautomizer-verify-uTZkv6EMXl/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