./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_db91f14c-f2b1-4987-b776-bc65dac96c11/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db91f14c-f2b1-4987-b776-bc65dac96c11/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_db91f14c-f2b1-4987-b776-bc65dac96c11/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db91f14c-f2b1-4987-b776-bc65dac96c11/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db91f14c-f2b1-4987-b776-bc65dac96c11/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_db91f14c-f2b1-4987-b776-bc65dac96c11/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 0858956fa78fab41d54951630cb21e24f98b592c89580084f0bb3139b8ef83d9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:09:20,792 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:09:20,910 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db91f14c-f2b1-4987-b776-bc65dac96c11/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:09:20,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:09:20,924 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:09:20,960 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:09:20,961 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:09:20,961 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:09:20,962 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:09:20,967 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:09:20,969 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:09:20,970 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:09:20,970 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:09:20,972 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:09:20,972 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:09:20,973 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:09:20,973 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:09:20,974 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:09:20,974 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:09:20,975 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:09:20,975 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:09:20,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:09:20,976 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:09:20,976 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:09:20,977 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:09:20,978 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:09:20,978 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:09:20,979 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:09:20,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:09:20,980 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:09:20,981 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:09:20,981 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:09:20,981 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:09:20,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:09:20,982 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:09:20,982 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:09:20,982 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:09:20,983 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:09:20,983 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:09:20,983 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_db91f14c-f2b1-4987-b776-bc65dac96c11/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db91f14c-f2b1-4987-b776-bc65dac96c11/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0858956fa78fab41d54951630cb21e24f98b592c89580084f0bb3139b8ef83d9 [2023-11-12 02:09:21,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:09:21,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:09:21,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:09:21,313 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:09:21,314 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:09:21,315 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db91f14c-f2b1-4987-b776-bc65dac96c11/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2023-11-12 02:09:24,474 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:09:24,760 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:09:24,761 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db91f14c-f2b1-4987-b776-bc65dac96c11/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2023-11-12 02:09:24,787 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db91f14c-f2b1-4987-b776-bc65dac96c11/bin/uautomizer-verify-uTZkv6EMXl/data/f31865980/277127fa4a3146288a598d012362f486/FLAG9c50fd4ac [2023-11-12 02:09:24,803 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db91f14c-f2b1-4987-b776-bc65dac96c11/bin/uautomizer-verify-uTZkv6EMXl/data/f31865980/277127fa4a3146288a598d012362f486 [2023-11-12 02:09:24,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:09:24,810 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:09:24,815 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:09:24,815 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:09:24,824 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:09:24,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:09:24" (1/1) ... [2023-11-12 02:09:24,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ff09c49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:24, skipping insertion in model container [2023-11-12 02:09:24,829 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:09:24" (1/1) ... [2023-11-12 02:09:24,888 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:09:25,249 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_db91f14c-f2b1-4987-b776-bc65dac96c11/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c[18140,18153] [2023-11-12 02:09:25,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:09:25,282 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:09:25,296 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2023-11-12 02:09:25,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] [2023-11-12 02:09:25,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [511] [2023-11-12 02:09:25,299 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [581] [2023-11-12 02:09:25,299 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [779] [2023-11-12 02:09:25,300 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [806] [2023-11-12 02:09:25,300 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [844] [2023-11-12 02:09:25,301 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [940] [2023-11-12 02:09:25,404 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_db91f14c-f2b1-4987-b776-bc65dac96c11/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c[18140,18153] [2023-11-12 02:09:25,407 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:09:25,441 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:09:25,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:25 WrapperNode [2023-11-12 02:09:25,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:09:25,444 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:09:25,444 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:09:25,444 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:09:25,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:25" (1/1) ... [2023-11-12 02:09:25,493 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:25" (1/1) ... [2023-11-12 02:09:25,542 INFO L138 Inliner]: procedures = 54, calls = 99, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 183 [2023-11-12 02:09:25,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:09:25,544 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:09:25,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:09:25,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:09:25,555 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:25" (1/1) ... [2023-11-12 02:09:25,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:25" (1/1) ... [2023-11-12 02:09:25,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:25" (1/1) ... [2023-11-12 02:09:25,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:25" (1/1) ... [2023-11-12 02:09:25,565 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:25" (1/1) ... [2023-11-12 02:09:25,570 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:25" (1/1) ... [2023-11-12 02:09:25,572 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:25" (1/1) ... [2023-11-12 02:09:25,574 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:25" (1/1) ... [2023-11-12 02:09:25,578 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:09:25,579 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:09:25,579 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:09:25,580 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:09:25,581 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:25" (1/1) ... [2023-11-12 02:09:25,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:09:25,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db91f14c-f2b1-4987-b776-bc65dac96c11/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:09:25,640 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db91f14c-f2b1-4987-b776-bc65dac96c11/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:09:25,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db91f14c-f2b1-4987-b776-bc65dac96c11/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:09:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:09:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-12 02:09:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-12 02:09:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-12 02:09:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-12 02:09:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-12 02:09:25,778 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-12 02:09:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-12 02:09:25,778 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-12 02:09:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-12 02:09:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-12 02:09:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-12 02:09:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-12 02:09:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-12 02:09:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-12 02:09:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:09:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-12 02:09:25,781 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-12 02:09:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:09:25,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:09:25,935 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:09:25,939 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:09:26,356 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:09:26,366 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:09:26,366 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 02:09:26,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:09:26 BoogieIcfgContainer [2023-11-12 02:09:26,369 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:09:26,372 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:09:26,372 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:09:26,377 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:09:26,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:09:24" (1/3) ... [2023-11-12 02:09:26,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab0a957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:09:26, skipping insertion in model container [2023-11-12 02:09:26,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:25" (2/3) ... [2023-11-12 02:09:26,379 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab0a957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:09:26, skipping insertion in model container [2023-11-12 02:09:26,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:09:26" (3/3) ... [2023-11-12 02:09:26,381 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product23.cil.c [2023-11-12 02:09:26,406 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:09:26,407 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:09:26,472 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:09:26,482 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;@557b3e68, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:09:26,483 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:09:26,489 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 66 states have (on average 1.378787878787879) internal successors, (91), 75 states have internal predecessors, (91), 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 02:09:26,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-12 02:09:26,504 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:09:26,505 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:09:26,505 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:09:26,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:09:26,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1836528484, now seen corresponding path program 1 times [2023-11-12 02:09:26,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:09:26,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918928581] [2023-11-12 02:09:26,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:26,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:09:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:26,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:09:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:26,732 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 02:09:26,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:09:26,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918928581] [2023-11-12 02:09:26,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918928581] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:09:26,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:09:26,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:09:26,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114040183] [2023-11-12 02:09:26,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:09:26,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:09:26,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:09:26,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:09:26,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:09:26,794 INFO L87 Difference]: Start difference. First operand has 91 states, 66 states have (on average 1.378787878787879) internal successors, (91), 75 states have internal predecessors, (91), 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 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:09:26,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:09:26,834 INFO L93 Difference]: Finished difference Result 174 states and 237 transitions. [2023-11-12 02:09:26,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:09:26,838 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2023-11-12 02:09:26,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:09:26,847 INFO L225 Difference]: With dead ends: 174 [2023-11-12 02:09:26,848 INFO L226 Difference]: Without dead ends: 82 [2023-11-12 02:09:26,852 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 02:09:26,857 INFO L413 NwaCegarLoop]: 115 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, 115 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 02:09:26,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:09:26,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-12 02:09:26,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-11-12 02:09:26,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 59 states have (on average 1.305084745762712) internal successors, (77), 67 states have internal predecessors, (77), 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 02:09:26,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 106 transitions. [2023-11-12 02:09:26,920 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 106 transitions. Word has length 23 [2023-11-12 02:09:26,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:09:26,921 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 106 transitions. [2023-11-12 02:09:26,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:09:26,921 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 106 transitions. [2023-11-12 02:09:26,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-12 02:09:26,924 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:09:26,925 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:09:26,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:09:26,925 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:09:26,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:09:26,926 INFO L85 PathProgramCache]: Analyzing trace with hash -639075496, now seen corresponding path program 1 times [2023-11-12 02:09:26,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:09:26,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579420225] [2023-11-12 02:09:26,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:26,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:09:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:27,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-12 02:09:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:27,067 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 02:09:27,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:09:27,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579420225] [2023-11-12 02:09:27,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579420225] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:09:27,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:09:27,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:09:27,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095304182] [2023-11-12 02:09:27,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:09:27,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:09:27,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:09:27,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:09:27,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:09:27,074 INFO L87 Difference]: Start difference. First operand 82 states and 106 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:09:27,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:09:27,118 INFO L93 Difference]: Finished difference Result 126 states and 162 transitions. [2023-11-12 02:09:27,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:09:27,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2023-11-12 02:09:27,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:09:27,122 INFO L225 Difference]: With dead ends: 126 [2023-11-12 02:09:27,122 INFO L226 Difference]: Without dead ends: 73 [2023-11-12 02:09:27,123 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 02:09:27,126 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 16 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 165 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 02:09:27,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 165 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:09:27,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-12 02:09:27,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-12 02:09:27,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 53 states have (on average 1.320754716981132) internal successors, (70), 61 states have internal predecessors, (70), 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 02:09:27,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 94 transitions. [2023-11-12 02:09:27,146 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 94 transitions. Word has length 24 [2023-11-12 02:09:27,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:09:27,147 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 94 transitions. [2023-11-12 02:09:27,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:09:27,148 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2023-11-12 02:09:27,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-12 02:09:27,150 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:09:27,150 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:09:27,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:09:27,151 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:09:27,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:09:27,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1922236756, now seen corresponding path program 1 times [2023-11-12 02:09:27,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:09:27,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145871098] [2023-11-12 02:09:27,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:27,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:09:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:27,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-12 02:09:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:27,358 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 02:09:27,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:09:27,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145871098] [2023-11-12 02:09:27,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145871098] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:09:27,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:09:27,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:09:27,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494680906] [2023-11-12 02:09:27,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:09:27,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:09:27,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:09:27,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:09:27,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:09:27,362 INFO L87 Difference]: Start difference. First operand 73 states and 94 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:09:27,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:09:27,736 INFO L93 Difference]: Finished difference Result 246 states and 323 transitions. [2023-11-12 02:09:27,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:09:27,737 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2023-11-12 02:09:27,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:09:27,748 INFO L225 Difference]: With dead ends: 246 [2023-11-12 02:09:27,748 INFO L226 Difference]: Without dead ends: 180 [2023-11-12 02:09:27,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:09:27,756 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 192 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:09:27,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 445 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 02:09:27,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2023-11-12 02:09:27,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 174. [2023-11-12 02:09:27,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 125 states have (on average 1.352) internal successors, (169), 143 states have internal predecessors, (169), 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) [2023-11-12 02:09:27,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 228 transitions. [2023-11-12 02:09:27,845 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 228 transitions. Word has length 28 [2023-11-12 02:09:27,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:09:27,847 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 228 transitions. [2023-11-12 02:09:27,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:09:27,848 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 228 transitions. [2023-11-12 02:09:27,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-12 02:09:27,854 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:09:27,854 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:09:27,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:09:27,855 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:09:27,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:09:27,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1773208458, now seen corresponding path program 1 times [2023-11-12 02:09:27,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:09:27,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21399790] [2023-11-12 02:09:27,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:27,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:09:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:28,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:09:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:28,036 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 02:09:28,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:09:28,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21399790] [2023-11-12 02:09:28,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21399790] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:09:28,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:09:28,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:09:28,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115703998] [2023-11-12 02:09:28,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:09:28,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:09:28,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:09:28,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:09:28,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:09:28,040 INFO L87 Difference]: Start difference. First operand 174 states and 228 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:09:28,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:09:28,098 INFO L93 Difference]: Finished difference Result 304 states and 401 transitions. [2023-11-12 02:09:28,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:09:28,099 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2023-11-12 02:09:28,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:09:28,100 INFO L225 Difference]: With dead ends: 304 [2023-11-12 02:09:28,100 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 02:09:28,102 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 02:09:28,103 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 40 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:09:28,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 163 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:09:28,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 02:09:28,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 02:09:28,106 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 02:09:28,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 02:09:28,106 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2023-11-12 02:09:28,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:09:28,106 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:09:28,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:09:28,107 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:09:28,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 02:09:28,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:09:28,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:09:28,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 02:09:28,459 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 681 688) no Hoare annotation was computed. [2023-11-12 02:09:28,459 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 681 688) the Hoare annotation is: true [2023-11-12 02:09:28,459 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 681 688) no Hoare annotation was computed. [2023-11-12 02:09:28,460 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 614 620) no Hoare annotation was computed. [2023-11-12 02:09:28,460 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 614 620) the Hoare annotation is: true [2023-11-12 02:09:28,460 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 449 460) the Hoare annotation is: true [2023-11-12 02:09:28,460 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 449 460) no Hoare annotation was computed. [2023-11-12 02:09:28,461 INFO L899 garLoopResultBuilder]: For program point L453-1(lines 449 460) no Hoare annotation was computed. [2023-11-12 02:09:28,461 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 846 875) no Hoare annotation was computed. [2023-11-12 02:09:28,462 INFO L899 garLoopResultBuilder]: For program point L860(lines 860 864) no Hoare annotation was computed. [2023-11-12 02:09:28,462 INFO L902 garLoopResultBuilder]: At program point L860-1(lines 860 864) the Hoare annotation is: true [2023-11-12 02:09:28,463 INFO L899 garLoopResultBuilder]: For program point L857(line 857) no Hoare annotation was computed. [2023-11-12 02:09:28,464 INFO L902 garLoopResultBuilder]: At program point L856-2(lines 856 870) the Hoare annotation is: true [2023-11-12 02:09:28,465 INFO L902 garLoopResultBuilder]: At program point L852(line 852) the Hoare annotation is: true [2023-11-12 02:09:28,465 INFO L899 garLoopResultBuilder]: For program point L852-1(line 852) no Hoare annotation was computed. [2023-11-12 02:09:28,465 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 846 875) the Hoare annotation is: true [2023-11-12 02:09:28,465 INFO L899 garLoopResultBuilder]: For program point L871(lines 846 875) no Hoare annotation was computed. [2023-11-12 02:09:28,465 INFO L899 garLoopResultBuilder]: For program point L867(line 867) no Hoare annotation was computed. [2023-11-12 02:09:28,466 INFO L895 garLoopResultBuilder]: At program point L667(line 667) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2023-11-12 02:09:28,466 INFO L899 garLoopResultBuilder]: For program point L667-1(lines 648 672) no Hoare annotation was computed. [2023-11-12 02:09:28,466 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 601 607) no Hoare annotation was computed. [2023-11-12 02:09:28,466 INFO L895 garLoopResultBuilder]: At program point L787(line 787) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-12 02:09:28,466 INFO L899 garLoopResultBuilder]: For program point L787-1(line 787) no Hoare annotation was computed. [2023-11-12 02:09:28,466 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 590 613) no Hoare annotation was computed. [2023-11-12 02:09:28,467 INFO L899 garLoopResultBuilder]: For program point L594-1(lines 593 612) no Hoare annotation was computed. [2023-11-12 02:09:28,467 INFO L899 garLoopResultBuilder]: For program point L945(line 945) no Hoare annotation was computed. [2023-11-12 02:09:28,467 INFO L899 garLoopResultBuilder]: For program point L656(lines 656 664) no Hoare annotation was computed. [2023-11-12 02:09:28,467 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 433) no Hoare annotation was computed. [2023-11-12 02:09:28,467 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 669) no Hoare annotation was computed. [2023-11-12 02:09:28,467 INFO L899 garLoopResultBuilder]: For program point L429-2(lines 425 436) no Hoare annotation was computed. [2023-11-12 02:09:28,468 INFO L899 garLoopResultBuilder]: For program point L793(lines 793 799) no Hoare annotation was computed. [2023-11-12 02:09:28,468 INFO L895 garLoopResultBuilder]: At program point L694(line 694) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-12 02:09:28,468 INFO L899 garLoopResultBuilder]: For program point L694-1(line 694) no Hoare annotation was computed. [2023-11-12 02:09:28,468 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 802) no Hoare annotation was computed. [2023-11-12 02:09:28,468 INFO L899 garLoopResultBuilder]: For program point L789-1(lines 781 805) no Hoare annotation was computed. [2023-11-12 02:09:28,468 INFO L899 garLoopResultBuilder]: For program point __automaton_fail_returnLabel#1(lines 941 948) no Hoare annotation was computed. [2023-11-12 02:09:28,469 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 590 613) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-12 02:09:28,469 INFO L895 garLoopResultBuilder]: At program point L662(line 662) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-12 02:09:28,469 INFO L895 garLoopResultBuilder]: At program point L658(line 658) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-12 02:09:28,469 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 590 613) no Hoare annotation was computed. [2023-11-12 02:09:28,469 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarm_returnLabel#1(lines 689 699) no Hoare annotation was computed. [2023-11-12 02:09:28,470 INFO L899 garLoopResultBuilder]: For program point isPumpRunning_returnLabel#1(lines 700 708) no Hoare annotation was computed. [2023-11-12 02:09:28,470 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 945) no Hoare annotation was computed. [2023-11-12 02:09:28,470 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 461 469) the Hoare annotation is: true [2023-11-12 02:09:28,470 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 461 469) no Hoare annotation was computed. [2023-11-12 02:09:28,470 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 461 469) no Hoare annotation was computed. [2023-11-12 02:09:28,471 INFO L899 garLoopResultBuilder]: For program point L576(lines 515 580) no Hoare annotation was computed. [2023-11-12 02:09:28,471 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 934) no Hoare annotation was computed. [2023-11-12 02:09:28,471 INFO L899 garLoopResultBuilder]: For program point L927-2(lines 927 934) no Hoare annotation was computed. [2023-11-12 02:09:28,471 INFO L899 garLoopResultBuilder]: For program point L535(lines 535 541) no Hoare annotation was computed. [2023-11-12 02:09:28,471 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 535 541) no Hoare annotation was computed. [2023-11-12 02:09:28,471 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 531) no Hoare annotation was computed. [2023-11-12 02:09:28,472 INFO L899 garLoopResultBuilder]: For program point runTest_returnLabel#1(lines 907 916) no Hoare annotation was computed. [2023-11-12 02:09:28,472 INFO L899 garLoopResultBuilder]: For program point select_features_returnLabel#1(lines 821 827) no Hoare annotation was computed. [2023-11-12 02:09:28,472 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 917 939) no Hoare annotation was computed. [2023-11-12 02:09:28,472 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-12 02:09:28,472 INFO L895 garLoopResultBuilder]: At program point L573(lines 524 574) the Hoare annotation is: false [2023-11-12 02:09:28,473 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-12 02:09:28,473 INFO L899 garLoopResultBuilder]: For program point L561(lines 561 567) no Hoare annotation was computed. [2023-11-12 02:09:28,473 INFO L895 garLoopResultBuilder]: At program point L561-2(lines 555 568) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-12 02:09:28,473 INFO L899 garLoopResultBuilder]: For program point setup_returnLabel#1(lines 900 906) no Hoare annotation was computed. [2023-11-12 02:09:28,479 INFO L899 garLoopResultBuilder]: For program point L545(lines 545 551) no Hoare annotation was computed. [2023-11-12 02:09:28,479 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 02:09:28,480 INFO L899 garLoopResultBuilder]: For program point L545-1(lines 545 551) no Hoare annotation was computed. [2023-11-12 02:09:28,480 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 774) no Hoare annotation was computed. [2023-11-12 02:09:28,480 INFO L899 garLoopResultBuilder]: For program point L768-1(lines 768 774) no Hoare annotation was computed. [2023-11-12 02:09:28,480 INFO L895 garLoopResultBuilder]: At program point L570(lines 525 572) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-12 02:09:28,481 INFO L895 garLoopResultBuilder]: At program point L537(line 537) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-12 02:09:28,481 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 02:09:28,482 INFO L899 garLoopResultBuilder]: For program point select_helpers_returnLabel#1(lines 828 834) no Hoare annotation was computed. [2023-11-12 02:09:28,482 INFO L899 garLoopResultBuilder]: For program point stopSystem_returnLabel#1(lines 764 778) no Hoare annotation was computed. [2023-11-12 02:09:28,482 INFO L899 garLoopResultBuilder]: For program point L526(lines 525 572) no Hoare annotation was computed. [2023-11-12 02:09:28,482 INFO L899 garLoopResultBuilder]: For program point valid_product_returnLabel#1(lines 835 843) no Hoare annotation was computed. [2023-11-12 02:09:28,483 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 568) no Hoare annotation was computed. [2023-11-12 02:09:28,483 INFO L895 garLoopResultBuilder]: At program point L547(line 547) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-12 02:09:28,484 INFO L895 garLoopResultBuilder]: At program point L770(line 770) the Hoare annotation is: false [2023-11-12 02:09:28,485 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 437 448) no Hoare annotation was computed. [2023-11-12 02:09:28,486 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 437 448) the Hoare annotation is: true [2023-11-12 02:09:28,486 INFO L899 garLoopResultBuilder]: For program point L441-1(lines 437 448) no Hoare annotation was computed. [2023-11-12 02:09:28,486 INFO L895 garLoopResultBuilder]: At program point L636(line 636) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-11-12 02:09:28,487 INFO L895 garLoopResultBuilder]: At program point L632(line 632) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-11-12 02:09:28,487 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 638) no Hoare annotation was computed. [2023-11-12 02:09:28,487 INFO L899 garLoopResultBuilder]: For program point L626(lines 626 643) no Hoare annotation was computed. [2023-11-12 02:09:28,487 INFO L899 garLoopResultBuilder]: For program point L754(lines 754 758) no Hoare annotation was computed. [2023-11-12 02:09:28,487 INFO L899 garLoopResultBuilder]: For program point L754-2(lines 754 758) no Hoare annotation was computed. [2023-11-12 02:09:28,488 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDry_returnLabel#1(lines 502 510) no Hoare annotation was computed. [2023-11-12 02:09:28,488 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 622 646) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-11-12 02:09:28,488 INFO L895 garLoopResultBuilder]: At program point L641(line 641) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-11-12 02:09:28,488 INFO L899 garLoopResultBuilder]: For program point L641-1(lines 622 646) no Hoare annotation was computed. [2023-11-12 02:09:28,489 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevel_returnLabel#1(lines 745 763) no Hoare annotation was computed. [2023-11-12 02:09:28,489 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 622 646) no Hoare annotation was computed. [2023-11-12 02:09:28,492 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-12 02:09:28,495 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:09:28,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:09:28 BoogieIcfgContainer [2023-11-12 02:09:28,518 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:09:28,518 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:09:28,519 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:09:28,519 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:09:28,520 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:09:26" (3/4) ... [2023-11-12 02:09:28,532 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:09:28,537 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-12 02:09:28,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-12 02:09:28,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-12 02:09:28,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-12 02:09:28,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-12 02:09:28,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-12 02:09:28,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-12 02:09:28,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2023-11-12 02:09:28,556 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-12 02:09:28,557 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-12 02:09:28,558 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-12 02:09:28,559 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:09:28,560 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:09:28,724 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db91f14c-f2b1-4987-b776-bc65dac96c11/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:09:28,725 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db91f14c-f2b1-4987-b776-bc65dac96c11/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:09:28,725 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:09:28,726 INFO L158 Benchmark]: Toolchain (without parser) took 3917.42ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 54.3MB in the end (delta: 43.6MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2023-11-12 02:09:28,726 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:09:28,727 INFO L158 Benchmark]: CACSL2BoogieTranslator took 627.67ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 78.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 02:09:28,727 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.87ms. Allocated memory is still 142.6MB. Free memory was 78.5MB in the beginning and 76.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:09:28,728 INFO L158 Benchmark]: Boogie Preprocessor took 34.03ms. Allocated memory is still 142.6MB. Free memory was 76.0MB in the beginning and 74.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:09:28,728 INFO L158 Benchmark]: RCFGBuilder took 790.57ms. Allocated memory is still 142.6MB. Free memory was 74.8MB in the beginning and 99.5MB in the end (delta: -24.7MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2023-11-12 02:09:28,729 INFO L158 Benchmark]: TraceAbstraction took 2145.61ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 60.6MB in the end (delta: 38.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-12 02:09:28,730 INFO L158 Benchmark]: Witness Printer took 206.99ms. Allocated memory is still 142.6MB. Free memory was 60.6MB in the beginning and 54.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 02:09:28,733 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 627.67ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 78.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.87ms. Allocated memory is still 142.6MB. Free memory was 78.5MB in the beginning and 76.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.03ms. Allocated memory is still 142.6MB. Free memory was 76.0MB in the beginning and 74.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 790.57ms. Allocated memory is still 142.6MB. Free memory was 74.8MB in the beginning and 99.5MB in the end (delta: -24.7MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2145.61ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 60.6MB in the end (delta: 38.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 206.99ms. Allocated memory is still 142.6MB. Free memory was 60.6MB in the beginning and 54.3MB 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] - GenericResultAtLocation [Line: 511]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [511] - GenericResultAtLocation [Line: 581]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [581] - GenericResultAtLocation [Line: 779]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [779] - GenericResultAtLocation [Line: 806]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [806] - GenericResultAtLocation [Line: 844]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [844] - GenericResultAtLocation [Line: 940]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [940] * 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: 945]: 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, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 252 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 248 mSDsluCounter, 888 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 522 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 121 IncrementalHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 366 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=174occurred 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, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 207 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-12 02:09:28,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db91f14c-f2b1-4987-b776-bc65dac96c11/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