./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_5e698995-e2dd-437f-9308-fb2a5f8cd242/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e698995-e2dd-437f-9308-fb2a5f8cd242/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e698995-e2dd-437f-9308-fb2a5f8cd242/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e698995-e2dd-437f-9308-fb2a5f8cd242/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e698995-e2dd-437f-9308-fb2a5f8cd242/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e698995-e2dd-437f-9308-fb2a5f8cd242/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 61c2d7b2f53adc3803e4e62ab44daa78f4a9bdf9ba37b58d516bb40a6cc23cc6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:17:27,059 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:17:27,132 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e698995-e2dd-437f-9308-fb2a5f8cd242/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:17:27,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:17:27,139 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:17:27,169 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:17:27,170 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:17:27,170 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:17:27,171 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:17:27,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:17:27,173 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:17:27,173 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:17:27,174 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:17:27,174 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:17:27,175 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:17:27,175 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:17:27,176 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:17:27,176 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:17:27,177 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:17:27,178 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:17:27,178 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:17:27,179 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:17:27,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:17:27,180 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:17:27,180 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:17:27,181 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:17:27,181 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:17:27,182 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:17:27,182 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:17:27,182 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:17:27,183 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:17:27,183 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:17:27,184 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:17:27,184 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:17:27,184 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:17:27,185 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:17:27,185 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:17:27,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:17:27,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:17:27,186 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:17:27,187 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:17:27,187 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:17:27,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:17:27,187 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:17:27,188 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:17:27,188 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:17:27,188 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:17:27,188 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_5e698995-e2dd-437f-9308-fb2a5f8cd242/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e698995-e2dd-437f-9308-fb2a5f8cd242/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61c2d7b2f53adc3803e4e62ab44daa78f4a9bdf9ba37b58d516bb40a6cc23cc6 [2023-11-23 21:17:27,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:17:27,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:17:27,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:17:27,548 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:17:27,549 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:17:27,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e698995-e2dd-437f-9308-fb2a5f8cd242/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c [2023-11-23 21:17:31,039 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:17:31,385 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:17:31,386 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e698995-e2dd-437f-9308-fb2a5f8cd242/sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c [2023-11-23 21:17:31,403 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e698995-e2dd-437f-9308-fb2a5f8cd242/bin/utaipan-verify-mE87zJ7Ire/data/9825b1d38/7fad5fbfa62449688d9779e8224fa173/FLAG5fa8028ef [2023-11-23 21:17:31,421 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e698995-e2dd-437f-9308-fb2a5f8cd242/bin/utaipan-verify-mE87zJ7Ire/data/9825b1d38/7fad5fbfa62449688d9779e8224fa173 [2023-11-23 21:17:31,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:17:31,427 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:17:31,430 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:17:31,431 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:17:31,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:17:31,443 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:17:31" (1/1) ... [2023-11-23 21:17:31,445 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c707a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:31, skipping insertion in model container [2023-11-23 21:17:31,445 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:17:31" (1/1) ... [2023-11-23 21:17:31,520 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:17:31,850 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_5e698995-e2dd-437f-9308-fb2a5f8cd242/sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c[13937,13950] [2023-11-23 21:17:31,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:17:31,928 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:17:31,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2023-11-23 21:17:31,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] [2023-11-23 21:17:31,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [511] [2023-11-23 21:17:31,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [562] [2023-11-23 21:17:31,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [600] [2023-11-23 21:17:31,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [609] [2023-11-23 21:17:31,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [709] [2023-11-23 21:17:31,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [780] [2023-11-23 21:17:32,015 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_5e698995-e2dd-437f-9308-fb2a5f8cd242/sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c[13937,13950] [2023-11-23 21:17:32,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:17:32,049 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:17:32,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:32 WrapperNode [2023-11-23 21:17:32,050 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:17:32,051 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:17:32,051 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:17:32,052 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:17:32,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:32" (1/1) ... [2023-11-23 21:17:32,085 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:32" (1/1) ... [2023-11-23 21:17:32,126 INFO L138 Inliner]: procedures = 56, calls = 99, calls flagged for inlining = 23, calls inlined = 19, statements flattened = 177 [2023-11-23 21:17:32,127 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:17:32,128 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:17:32,128 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:17:32,128 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:17:32,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:32" (1/1) ... [2023-11-23 21:17:32,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:32" (1/1) ... [2023-11-23 21:17:32,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:32" (1/1) ... [2023-11-23 21:17:32,157 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:32" (1/1) ... [2023-11-23 21:17:32,163 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:32" (1/1) ... [2023-11-23 21:17:32,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:32" (1/1) ... [2023-11-23 21:17:32,182 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:32" (1/1) ... [2023-11-23 21:17:32,183 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:32" (1/1) ... [2023-11-23 21:17:32,193 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:17:32,194 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:17:32,194 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:17:32,194 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:17:32,195 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:32" (1/1) ... [2023-11-23 21:17:32,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:17:32,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e698995-e2dd-437f-9308-fb2a5f8cd242/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:17:32,237 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e698995-e2dd-437f-9308-fb2a5f8cd242/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:17:32,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e698995-e2dd-437f-9308-fb2a5f8cd242/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:17:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:17:32,299 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-23 21:17:32,299 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-23 21:17:32,299 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-23 21:17:32,300 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-23 21:17:32,300 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-23 21:17:32,301 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-23 21:17:32,301 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-23 21:17:32,302 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-23 21:17:32,302 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-23 21:17:32,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-23 21:17:32,302 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-23 21:17:32,303 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-23 21:17:32,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:17:32,303 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-23 21:17:32,303 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-23 21:17:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:17:32,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:17:32,400 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:17:32,404 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:17:32,832 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:17:32,986 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:17:32,987 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 21:17:32,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:32 BoogieIcfgContainer [2023-11-23 21:17:32,989 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:17:32,993 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:17:32,994 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:17:33,002 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:17:33,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:17:31" (1/3) ... [2023-11-23 21:17:33,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea17b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:17:33, skipping insertion in model container [2023-11-23 21:17:33,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:32" (2/3) ... [2023-11-23 21:17:33,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea17b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:17:33, skipping insertion in model container [2023-11-23 21:17:33,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:32" (3/3) ... [2023-11-23 21:17:33,007 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product20.cil.c [2023-11-23 21:17:33,043 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:17:33,043 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:17:33,105 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:17:33,113 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=FINITE_AUTOMATA, 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;@45284002, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:17:33,114 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:17:33,119 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 45 states have internal predecessors, (55), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-23 21:17:33,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 21:17:33,132 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:33,132 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:17:33,133 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:33,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:33,141 INFO L85 PathProgramCache]: Analyzing trace with hash -694603906, now seen corresponding path program 1 times [2023-11-23 21:17:33,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:33,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199559551] [2023-11-23 21:17:33,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:33,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:33,541 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 21:17:33,542 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:33,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199559551] [2023-11-23 21:17:33,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199559551] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:33,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:17:33,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:17:33,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887169569] [2023-11-23 21:17:33,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:33,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:17:33,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:33,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:17:33,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:17:33,624 INFO L87 Difference]: Start difference. First operand has 59 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 45 states have internal predecessors, (55), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:17:33,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:33,716 INFO L93 Difference]: Finished difference Result 116 states and 159 transitions. [2023-11-23 21:17:33,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:17:33,720 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2023-11-23 21:17:33,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:33,732 INFO L225 Difference]: With dead ends: 116 [2023-11-23 21:17:33,732 INFO L226 Difference]: Without dead ends: 54 [2023-11-23 21:17:33,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:17:33,742 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:17:33,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:17:33,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-23 21:17:33,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-11-23 21:17:33,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 41 states have internal predecessors, (47), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 21:17:33,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 70 transitions. [2023-11-23 21:17:33,800 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 70 transitions. Word has length 21 [2023-11-23 21:17:33,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:33,800 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 70 transitions. [2023-11-23 21:17:33,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:17:33,801 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2023-11-23 21:17:33,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 21:17:33,805 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:33,805 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:17:33,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:17:33,806 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:33,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:33,807 INFO L85 PathProgramCache]: Analyzing trace with hash 2142284948, now seen corresponding path program 1 times [2023-11-23 21:17:33,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:33,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033985923] [2023-11-23 21:17:33,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:33,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:34,011 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 21:17:34,011 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:34,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033985923] [2023-11-23 21:17:34,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033985923] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:34,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:17:34,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:17:34,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586906787] [2023-11-23 21:17:34,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:34,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:17:34,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:34,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:17:34,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:17:34,017 INFO L87 Difference]: Start difference. First operand 54 states and 70 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:17:34,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:34,067 INFO L93 Difference]: Finished difference Result 80 states and 102 transitions. [2023-11-23 21:17:34,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:17:34,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-11-23 21:17:34,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:34,070 INFO L225 Difference]: With dead ends: 80 [2023-11-23 21:17:34,071 INFO L226 Difference]: Without dead ends: 46 [2023-11-23 21:17:34,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:17:34,076 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 14 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:17:34,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 76 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:17:34,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-23 21:17:34,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-23 21:17:34,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 36 states have internal predecessors, (41), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-23 21:17:34,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 59 transitions. [2023-11-23 21:17:34,094 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 59 transitions. Word has length 22 [2023-11-23 21:17:34,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:34,094 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 59 transitions. [2023-11-23 21:17:34,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:17:34,095 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2023-11-23 21:17:34,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 21:17:34,097 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:34,097 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:17:34,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:17:34,098 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:34,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:34,099 INFO L85 PathProgramCache]: Analyzing trace with hash -853795042, now seen corresponding path program 1 times [2023-11-23 21:17:34,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:34,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992202121] [2023-11-23 21:17:34,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:34,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:34,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 21:17:34,296 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:34,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992202121] [2023-11-23 21:17:34,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992202121] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:34,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:17:34,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:17:34,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777067679] [2023-11-23 21:17:34,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:34,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:17:34,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:34,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:17:34,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:17:34,305 INFO L87 Difference]: Start difference. First operand 46 states and 59 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 21:17:34,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:34,423 INFO L93 Difference]: Finished difference Result 134 states and 174 transitions. [2023-11-23 21:17:34,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:17:34,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2023-11-23 21:17:34,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:34,427 INFO L225 Difference]: With dead ends: 134 [2023-11-23 21:17:34,430 INFO L226 Difference]: Without dead ends: 90 [2023-11-23 21:17:34,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:17:34,435 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 51 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:17:34,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 101 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:17:34,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-11-23 21:17:34,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 87. [2023-11-23 21:17:34,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 56 states have (on average 1.375) internal successors, (77), 67 states have internal predecessors, (77), 18 states have call successors, (18), 12 states have call predecessors, (18), 12 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-23 21:17:34,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 113 transitions. [2023-11-23 21:17:34,466 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 113 transitions. Word has length 25 [2023-11-23 21:17:34,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:34,467 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 113 transitions. [2023-11-23 21:17:34,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 21:17:34,467 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 113 transitions. [2023-11-23 21:17:34,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 21:17:34,470 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:34,470 INFO L195 NwaCegarLoop]: trace histogram [2, 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] [2023-11-23 21:17:34,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:17:34,471 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:34,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:34,471 INFO L85 PathProgramCache]: Analyzing trace with hash -764317543, now seen corresponding path program 1 times [2023-11-23 21:17:34,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:34,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808047144] [2023-11-23 21:17:34,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:34,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:34,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 21:17:34,774 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:34,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808047144] [2023-11-23 21:17:34,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808047144] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:34,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:17:34,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 21:17:34,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727240472] [2023-11-23 21:17:34,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:34,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:17:34,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:34,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:17:34,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:17:34,777 INFO L87 Difference]: Start difference. First operand 87 states and 113 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:17:34,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:34,906 INFO L93 Difference]: Finished difference Result 158 states and 205 transitions. [2023-11-23 21:17:34,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:17:34,907 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2023-11-23 21:17:34,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:34,907 INFO L225 Difference]: With dead ends: 158 [2023-11-23 21:17:34,908 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:17:34,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:17:34,911 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 25 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:17:34,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 103 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:17:34,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:17:34,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:17:34,913 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) [2023-11-23 21:17:34,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:17:34,913 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2023-11-23 21:17:34,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:34,914 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:17:34,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:17:34,914 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:17:34,915 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:17:34,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:17:34,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 21:17:34,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:17:35,095 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 854 861) no Hoare annotation was computed. [2023-11-23 21:17:35,095 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 854 861) the Hoare annotation is: true [2023-11-23 21:17:35,095 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 813 819) no Hoare annotation was computed. [2023-11-23 21:17:35,095 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 813 819) the Hoare annotation is: true [2023-11-23 21:17:35,096 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 449 460) the Hoare annotation is: true [2023-11-23 21:17:35,096 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 449 460) no Hoare annotation was computed. [2023-11-23 21:17:35,097 INFO L895 garLoopResultBuilder]: At program point L543(line 543) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-23 21:17:35,097 INFO L899 garLoopResultBuilder]: For program point L543-1(line 543) no Hoare annotation was computed. [2023-11-23 21:17:35,097 INFO L899 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2023-11-23 21:17:35,097 INFO L899 garLoopResultBuilder]: For program point L800-1(lines 800 806) no Hoare annotation was computed. [2023-11-23 21:17:35,097 INFO L899 garLoopResultBuilder]: For program point L829(lines 829 837) no Hoare annotation was computed. [2023-11-23 21:17:35,097 INFO L899 garLoopResultBuilder]: For program point L825(lines 825 842) no Hoare annotation was computed. [2023-11-23 21:17:35,098 INFO L895 garLoopResultBuilder]: At program point L528(line 528) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-23 21:17:35,099 INFO L899 garLoopResultBuilder]: For program point L528-1(line 528) no Hoare annotation was computed. [2023-11-23 21:17:35,099 INFO L899 garLoopResultBuilder]: For program point L545(lines 545 555) no Hoare annotation was computed. [2023-11-23 21:17:35,100 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 558) no Hoare annotation was computed. [2023-11-23 21:17:35,101 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 533 561) no Hoare annotation was computed. [2023-11-23 21:17:35,102 INFO L899 garLoopResultBuilder]: For program point L793-2(lines 789 811) no Hoare annotation was computed. [2023-11-23 21:17:35,102 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 786 812) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-23 21:17:35,103 INFO L895 garLoopResultBuilder]: At program point L835(line 835) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-23 21:17:35,103 INFO L899 garLoopResultBuilder]: For program point L546(lines 546 552) no Hoare annotation was computed. [2023-11-23 21:17:35,104 INFO L895 garLoopResultBuilder]: At program point L831(line 831) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-23 21:17:35,104 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 786 812) no Hoare annotation was computed. [2023-11-23 21:17:35,104 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 605) no Hoare annotation was computed. [2023-11-23 21:17:35,105 INFO L895 garLoopResultBuilder]: At program point L840(line 840) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-23 21:17:35,105 INFO L899 garLoopResultBuilder]: For program point L840-1(lines 821 845) no Hoare annotation was computed. [2023-11-23 21:17:35,105 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 612 641) no Hoare annotation was computed. [2023-11-23 21:17:35,105 INFO L899 garLoopResultBuilder]: For program point L637(lines 612 641) no Hoare annotation was computed. [2023-11-23 21:17:35,105 INFO L899 garLoopResultBuilder]: For program point L633(line 633) no Hoare annotation was computed. [2023-11-23 21:17:35,106 INFO L899 garLoopResultBuilder]: For program point L626(lines 626 630) no Hoare annotation was computed. [2023-11-23 21:17:35,106 INFO L902 garLoopResultBuilder]: At program point L626-1(lines 626 630) the Hoare annotation is: true [2023-11-23 21:17:35,106 INFO L902 garLoopResultBuilder]: At program point L622-2(lines 622 636) the Hoare annotation is: true [2023-11-23 21:17:35,107 INFO L902 garLoopResultBuilder]: At program point L618(line 618) the Hoare annotation is: true [2023-11-23 21:17:35,107 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 612 641) the Hoare annotation is: true [2023-11-23 21:17:35,107 INFO L899 garLoopResultBuilder]: For program point L618-1(line 618) no Hoare annotation was computed. [2023-11-23 21:17:35,107 INFO L899 garLoopResultBuilder]: For program point L696(lines 696 703) no Hoare annotation was computed. [2023-11-23 21:17:35,107 INFO L899 garLoopResultBuilder]: For program point L696-2(lines 696 703) no Hoare annotation was computed. [2023-11-23 21:17:35,107 INFO L899 garLoopResultBuilder]: For program point L775(lines 712 779) no Hoare annotation was computed. [2023-11-23 21:17:35,108 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 748) no Hoare annotation was computed. [2023-11-23 21:17:35,108 INFO L899 garLoopResultBuilder]: For program point L742-1(lines 742 748) no Hoare annotation was computed. [2023-11-23 21:17:35,115 INFO L895 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-23 21:17:35,115 INFO L899 garLoopResultBuilder]: For program point L941(lines 941 947) no Hoare annotation was computed. [2023-11-23 21:17:35,115 INFO L899 garLoopResultBuilder]: For program point L941-1(lines 941 947) no Hoare annotation was computed. [2023-11-23 21:17:35,115 INFO L895 garLoopResultBuilder]: At program point L772(lines 721 773) the Hoare annotation is: false [2023-11-23 21:17:35,116 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:17:35,117 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 766) no Hoare annotation was computed. [2023-11-23 21:17:35,119 INFO L895 garLoopResultBuilder]: At program point L760-2(lines 752 767) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-23 21:17:35,120 INFO L899 garLoopResultBuilder]: For program point L723(lines 722 771) no Hoare annotation was computed. [2023-11-23 21:17:35,120 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 767) no Hoare annotation was computed. [2023-11-23 21:17:35,120 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:17:35,120 INFO L895 garLoopResultBuilder]: At program point L744(line 744) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-23 21:17:35,120 INFO L895 garLoopResultBuilder]: At program point L769(lines 722 771) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-23 21:17:35,120 INFO L899 garLoopResultBuilder]: For program point L732(lines 732 738) no Hoare annotation was computed. [2023-11-23 21:17:35,120 INFO L899 garLoopResultBuilder]: For program point L732-1(lines 732 738) no Hoare annotation was computed. [2023-11-23 21:17:35,121 INFO L895 garLoopResultBuilder]: At program point L943(line 943) the Hoare annotation is: false [2023-11-23 21:17:35,121 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 437 448) no Hoare annotation was computed. [2023-11-23 21:17:35,121 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 437 448) the Hoare annotation is: true [2023-11-23 21:17:35,121 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 873 881) no Hoare annotation was computed. [2023-11-23 21:17:35,121 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 873 881) the Hoare annotation is: true [2023-11-23 21:17:35,124 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-23 21:17:35,126 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:17:35,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:17:35 BoogieIcfgContainer [2023-11-23 21:17:35,147 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:17:35,148 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:17:35,148 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:17:35,148 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:17:35,149 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:32" (3/4) ... [2023-11-23 21:17:35,151 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:17:35,156 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-23 21:17:35,156 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-23 21:17:35,156 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-23 21:17:35,156 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-23 21:17:35,156 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-23 21:17:35,157 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-23 21:17:35,157 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-23 21:17:35,178 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2023-11-23 21:17:35,179 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-23 21:17:35,179 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 21:17:35,180 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:17:35,182 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:17:35,296 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e698995-e2dd-437f-9308-fb2a5f8cd242/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:17:35,296 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e698995-e2dd-437f-9308-fb2a5f8cd242/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:17:35,297 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:17:35,297 INFO L158 Benchmark]: Toolchain (without parser) took 3870.22ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 106.3MB in the beginning and 96.0MB in the end (delta: 10.3MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2023-11-23 21:17:35,298 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:17:35,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 620.47ms. Allocated memory is still 146.8MB. Free memory was 106.0MB in the beginning and 102.6MB in the end (delta: 3.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:17:35,298 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.64ms. Allocated memory is still 146.8MB. Free memory was 102.6MB in the beginning and 100.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:17:35,299 INFO L158 Benchmark]: Boogie Preprocessor took 65.07ms. Allocated memory is still 146.8MB. Free memory was 100.5MB in the beginning and 99.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:17:35,299 INFO L158 Benchmark]: RCFGBuilder took 795.88ms. Allocated memory is still 146.8MB. Free memory was 99.2MB in the beginning and 75.4MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 21:17:35,300 INFO L158 Benchmark]: TraceAbstraction took 2153.92ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 74.7MB in the beginning and 103.4MB in the end (delta: -28.6MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2023-11-23 21:17:35,300 INFO L158 Benchmark]: Witness Printer took 148.96ms. Allocated memory is still 176.2MB. Free memory was 103.4MB in the beginning and 96.0MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:17:35,302 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 117.4MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 620.47ms. Allocated memory is still 146.8MB. Free memory was 106.0MB in the beginning and 102.6MB in the end (delta: 3.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.64ms. Allocated memory is still 146.8MB. Free memory was 102.6MB in the beginning and 100.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.07ms. Allocated memory is still 146.8MB. Free memory was 100.5MB in the beginning and 99.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 795.88ms. Allocated memory is still 146.8MB. Free memory was 99.2MB in the beginning and 75.4MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2153.92ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 74.7MB in the beginning and 103.4MB in the end (delta: -28.6MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Witness Printer took 148.96ms. Allocated memory is still 176.2MB. Free memory was 103.4MB in the beginning and 96.0MB in the end (delta: 7.3MB). 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,"Specification5_spec.i","") [511] - GenericResultAtLocation [Line: 562]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [562] - GenericResultAtLocation [Line: 600]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [600] - GenericResultAtLocation [Line: 609]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [609] - GenericResultAtLocation [Line: 709]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [709] - GenericResultAtLocation [Line: 780]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [780] * 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: 605]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 90 mSDsluCounter, 340 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 148 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 139 IncrementalHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 192 mSDtfsCounter, 139 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=3, InterpolantAutomatonStates: 14, 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, 21 LocationsWithAnnotation, 121 PreInvPairs, 131 NumberOfFragments, 79 HoareAnnotationTreeSize, 121 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FomulaSimplificationsInter, 192 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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: 721]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) RESULT: Ultimate proved your program to be correct! [2023-11-23 21:17:35,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e698995-e2dd-437f-9308-fb2a5f8cd242/bin/utaipan-verify-mE87zJ7Ire/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