./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0b47c15-c5a6-4286-b642-1d243e4805c6/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0b47c15-c5a6-4286-b642-1d243e4805c6/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0b47c15-c5a6-4286-b642-1d243e4805c6/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0b47c15-c5a6-4286-b642-1d243e4805c6/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0b47c15-c5a6-4286-b642-1d243e4805c6/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0b47c15-c5a6-4286-b642-1d243e4805c6/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 47239d678f7aaf21a2fed69a46673ac27eceb8c724d4476eded10389fccd5c92 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:54:11,235 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:54:11,353 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0b47c15-c5a6-4286-b642-1d243e4805c6/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:54:11,358 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:54:11,359 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:54:11,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:54:11,401 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:54:11,402 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:54:11,403 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:54:11,410 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:54:11,422 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:54:11,423 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:54:11,424 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:54:11,426 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:54:11,426 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:54:11,427 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:54:11,427 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:54:11,428 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:54:11,428 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:54:11,429 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:54:11,429 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:54:11,430 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:54:11,430 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:54:11,431 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:54:11,431 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:54:11,432 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:54:11,433 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:54:11,433 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:54:11,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:54:11,434 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:54:11,435 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:54:11,436 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:54:11,436 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:54:11,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:54:11,437 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:54:11,437 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:54:11,437 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:54:11,438 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:54:11,438 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:54:11,438 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_f0b47c15-c5a6-4286-b642-1d243e4805c6/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0b47c15-c5a6-4286-b642-1d243e4805c6/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47239d678f7aaf21a2fed69a46673ac27eceb8c724d4476eded10389fccd5c92 [2023-11-19 07:54:11,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:54:11,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:54:11,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:54:11,761 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:54:11,764 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:54:11,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0b47c15-c5a6-4286-b642-1d243e4805c6/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c [2023-11-19 07:54:14,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:54:15,195 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:54:15,196 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0b47c15-c5a6-4286-b642-1d243e4805c6/sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c [2023-11-19 07:54:15,222 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0b47c15-c5a6-4286-b642-1d243e4805c6/bin/uautomizer-verify-uCwYo4JHxu/data/5defb0d24/2d48f5023caa49ceb6db468866cbe291/FLAGe13811f22 [2023-11-19 07:54:15,236 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0b47c15-c5a6-4286-b642-1d243e4805c6/bin/uautomizer-verify-uCwYo4JHxu/data/5defb0d24/2d48f5023caa49ceb6db468866cbe291 [2023-11-19 07:54:15,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:54:15,240 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:54:15,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:54:15,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:54:15,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:54:15,248 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:15" (1/1) ... [2023-11-19 07:54:15,249 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11486d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:15, skipping insertion in model container [2023-11-19 07:54:15,249 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:15" (1/1) ... [2023-11-19 07:54:15,322 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:54:15,584 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_f0b47c15-c5a6-4286-b642-1d243e4805c6/sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c[17118,17131] [2023-11-19 07:54:15,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:54:15,617 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:54:15,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2023-11-19 07:54:15,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [165] [2023-11-19 07:54:15,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [233] [2023-11-19 07:54:15,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [271] [2023-11-19 07:54:15,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [369] [2023-11-19 07:54:15,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [409] [2023-11-19 07:54:15,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [775] [2023-11-19 07:54:15,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [856] [2023-11-19 07:54:15,695 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_f0b47c15-c5a6-4286-b642-1d243e4805c6/sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c[17118,17131] [2023-11-19 07:54:15,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:54:15,717 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:54:15,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:15 WrapperNode [2023-11-19 07:54:15,718 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:54:15,719 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:54:15,719 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:54:15,720 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:54:15,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:15" (1/1) ... [2023-11-19 07:54:15,757 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:15" (1/1) ... [2023-11-19 07:54:15,786 INFO L138 Inliner]: procedures = 50, calls = 89, calls flagged for inlining = 17, calls inlined = 14, statements flattened = 135 [2023-11-19 07:54:15,787 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:54:15,788 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:54:15,788 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:54:15,788 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:54:15,799 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:15" (1/1) ... [2023-11-19 07:54:15,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:15" (1/1) ... [2023-11-19 07:54:15,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:15" (1/1) ... [2023-11-19 07:54:15,801 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:15" (1/1) ... [2023-11-19 07:54:15,807 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:15" (1/1) ... [2023-11-19 07:54:15,812 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:15" (1/1) ... [2023-11-19 07:54:15,814 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:15" (1/1) ... [2023-11-19 07:54:15,815 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:15" (1/1) ... [2023-11-19 07:54:15,818 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:54:15,819 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:54:15,819 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:54:15,819 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:54:15,820 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:15" (1/1) ... [2023-11-19 07:54:15,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:54:15,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0b47c15-c5a6-4286-b642-1d243e4805c6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:54:15,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0b47c15-c5a6-4286-b642-1d243e4805c6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:54:15,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0b47c15-c5a6-4286-b642-1d243e4805c6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:54:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:54:15,903 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-19 07:54:15,904 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-19 07:54:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-19 07:54:15,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-19 07:54:15,906 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-19 07:54:15,906 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-19 07:54:15,906 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-19 07:54:15,906 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-19 07:54:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:54:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-19 07:54:15,907 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-19 07:54:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:54:15,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:54:15,981 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:54:15,983 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:54:16,265 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:54:16,284 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:54:16,284 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:54:16,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:16 BoogieIcfgContainer [2023-11-19 07:54:16,288 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:54:16,291 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:54:16,291 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:54:16,294 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:54:16,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:54:15" (1/3) ... [2023-11-19 07:54:16,295 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e6234a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:16, skipping insertion in model container [2023-11-19 07:54:16,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:15" (2/3) ... [2023-11-19 07:54:16,296 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e6234a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:16, skipping insertion in model container [2023-11-19 07:54:16,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:16" (3/3) ... [2023-11-19 07:54:16,302 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product01.cil.c [2023-11-19 07:54:16,326 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:54:16,326 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:54:16,373 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:54:16,380 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;@46ab2567, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:54:16,381 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:54:16,385 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 50 states have (on average 1.4) internal successors, (70), 54 states have internal predecessors, (70), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-19 07:54:16,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 07:54:16,393 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:16,394 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:16,394 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:54:16,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:16,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1102119958, now seen corresponding path program 1 times [2023-11-19 07:54:16,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:16,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141073330] [2023-11-19 07:54:16,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:16,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:16,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-19 07:54:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:16,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:54:16,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:54:16,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141073330] [2023-11-19 07:54:16,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141073330] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:16,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:16,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:54:16,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79900380] [2023-11-19 07:54:16,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:16,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:54:16,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:54:16,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:54:16,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:54:16,793 INFO L87 Difference]: Start difference. First operand has 64 states, 50 states have (on average 1.4) internal successors, (70), 54 states have internal predecessors, (70), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:54:16,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:16,836 INFO L93 Difference]: Finished difference Result 119 states and 162 transitions. [2023-11-19 07:54:16,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:54:16,839 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2023-11-19 07:54:16,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:16,847 INFO L225 Difference]: With dead ends: 119 [2023-11-19 07:54:16,847 INFO L226 Difference]: Without dead ends: 55 [2023-11-19 07:54:16,852 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 [2023-11-19 07:54:16,859 INFO L413 NwaCegarLoop]: 78 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, 78 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:16,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:54:16,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-19 07:54:16,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-11-19 07:54:16,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 43 states have (on average 1.302325581395349) internal successors, (56), 46 states have internal predecessors, (56), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 07:54:16,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 69 transitions. [2023-11-19 07:54:16,947 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 69 transitions. Word has length 25 [2023-11-19 07:54:16,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:16,948 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 69 transitions. [2023-11-19 07:54:16,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:54:16,949 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2023-11-19 07:54:16,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 07:54:16,953 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:16,954 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:16,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:54:16,955 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:54:16,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:16,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1634324626, now seen corresponding path program 1 times [2023-11-19 07:54:16,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:16,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426627480] [2023-11-19 07:54:16,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:16,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:17,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:54:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:17,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:54:17,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:54:17,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426627480] [2023-11-19 07:54:17,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426627480] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:17,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:17,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:54:17,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36105365] [2023-11-19 07:54:17,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:17,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:54:17,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:54:17,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:54:17,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:54:17,141 INFO L87 Difference]: Start difference. First operand 55 states and 69 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:54:17,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:17,156 INFO L93 Difference]: Finished difference Result 75 states and 93 transitions. [2023-11-19 07:54:17,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:54:17,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2023-11-19 07:54:17,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:17,160 INFO L225 Difference]: With dead ends: 75 [2023-11-19 07:54:17,160 INFO L226 Difference]: Without dead ends: 46 [2023-11-19 07:54:17,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:54:17,163 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 12 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:17,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 96 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:54:17,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-19 07:54:17,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-19 07:54:17,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 40 states have internal predecessors, (49), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 07:54:17,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 57 transitions. [2023-11-19 07:54:17,171 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 57 transitions. Word has length 26 [2023-11-19 07:54:17,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:17,172 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 57 transitions. [2023-11-19 07:54:17,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:54:17,175 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2023-11-19 07:54:17,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 07:54:17,176 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:17,177 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:17,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:54:17,177 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:54:17,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:17,178 INFO L85 PathProgramCache]: Analyzing trace with hash -94218303, now seen corresponding path program 1 times [2023-11-19 07:54:17,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:17,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066211006] [2023-11-19 07:54:17,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:17,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:17,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:17,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:54:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:17,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:54:17,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:54:17,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066211006] [2023-11-19 07:54:17,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066211006] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:17,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:17,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:54:17,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785350434] [2023-11-19 07:54:17,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:17,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:54:17,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:54:17,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:54:17,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:54:17,453 INFO L87 Difference]: Start difference. First operand 46 states and 57 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:54:17,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:17,534 INFO L93 Difference]: Finished difference Result 84 states and 107 transitions. [2023-11-19 07:54:17,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:54:17,535 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2023-11-19 07:54:17,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:17,536 INFO L225 Difference]: With dead ends: 84 [2023-11-19 07:54:17,536 INFO L226 Difference]: Without dead ends: 46 [2023-11-19 07:54:17,537 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 [2023-11-19 07:54:17,539 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 83 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:17,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 106 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:54:17,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-19 07:54:17,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-19 07:54:17,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 40 states have internal predecessors, (48), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 07:54:17,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2023-11-19 07:54:17,549 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 56 transitions. Word has length 30 [2023-11-19 07:54:17,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:17,549 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 56 transitions. [2023-11-19 07:54:17,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:54:17,550 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2023-11-19 07:54:17,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 07:54:17,551 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:17,551 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:17,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:54:17,552 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:54:17,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:17,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1295641576, now seen corresponding path program 1 times [2023-11-19 07:54:17,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:17,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904584566] [2023-11-19 07:54:17,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:17,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:17,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:54:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:17,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:54:17,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:54:17,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904584566] [2023-11-19 07:54:17,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904584566] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:17,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:17,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:54:17,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765374120] [2023-11-19 07:54:17,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:17,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:54:17,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:54:17,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:54:17,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:54:17,663 INFO L87 Difference]: Start difference. First operand 46 states and 56 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:54:17,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:17,702 INFO L93 Difference]: Finished difference Result 82 states and 102 transitions. [2023-11-19 07:54:17,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:54:17,703 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 31 [2023-11-19 07:54:17,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:17,704 INFO L225 Difference]: With dead ends: 82 [2023-11-19 07:54:17,704 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:54:17,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:54:17,707 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 30 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:17,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 136 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:54:17,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:54:17,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:54:17,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:17,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:54:17,710 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2023-11-19 07:54:17,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:17,710 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:54:17,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:54:17,711 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:54:17,711 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:54:17,713 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:54:17,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:54:17,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:54:17,807 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 803 814) the Hoare annotation is: true [2023-11-19 07:54:17,808 INFO L899 garLoopResultBuilder]: For program point L807-1(lines 803 814) no Hoare annotation was computed. [2023-11-19 07:54:17,808 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 803 814) no Hoare annotation was computed. [2023-11-19 07:54:17,808 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 273 302) no Hoare annotation was computed. [2023-11-19 07:54:17,808 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 291) no Hoare annotation was computed. [2023-11-19 07:54:17,809 INFO L902 garLoopResultBuilder]: At program point L287-1(lines 287 291) the Hoare annotation is: true [2023-11-19 07:54:17,809 INFO L899 garLoopResultBuilder]: For program point L284(line 284) no Hoare annotation was computed. [2023-11-19 07:54:17,809 INFO L902 garLoopResultBuilder]: At program point L283-2(lines 283 297) the Hoare annotation is: true [2023-11-19 07:54:17,809 INFO L902 garLoopResultBuilder]: At program point L279(line 279) the Hoare annotation is: true [2023-11-19 07:54:17,809 INFO L899 garLoopResultBuilder]: For program point L279-1(line 279) no Hoare annotation was computed. [2023-11-19 07:54:17,810 INFO L899 garLoopResultBuilder]: For program point L298(lines 273 302) no Hoare annotation was computed. [2023-11-19 07:54:17,810 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 273 302) the Hoare annotation is: true [2023-11-19 07:54:17,810 INFO L899 garLoopResultBuilder]: For program point L294(line 294) no Hoare annotation was computed. [2023-11-19 07:54:17,810 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 815 823) the Hoare annotation is: true [2023-11-19 07:54:17,811 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 815 823) no Hoare annotation was computed. [2023-11-19 07:54:17,811 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 815 823) no Hoare annotation was computed. [2023-11-19 07:54:17,811 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 65 84) no Hoare annotation was computed. [2023-11-19 07:54:17,811 INFO L899 garLoopResultBuilder]: For program point L386-1(line 386) no Hoare annotation was computed. [2023-11-19 07:54:17,811 INFO L899 garLoopResultBuilder]: For program point L861(line 861) no Hoare annotation was computed. [2023-11-19 07:54:17,812 INFO L899 garLoopResultBuilder]: For program point L783(lines 783 787) no Hoare annotation was computed. [2023-11-19 07:54:17,812 INFO L899 garLoopResultBuilder]: For program point L783-2(lines 779 790) no Hoare annotation was computed. [2023-11-19 07:54:17,812 INFO L899 garLoopResultBuilder]: For program point __automaton_fail_returnLabel#1(lines 857 864) no Hoare annotation was computed. [2023-11-19 07:54:17,812 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 62 85) the Hoare annotation is: true [2023-11-19 07:54:17,813 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 399) no Hoare annotation was computed. [2023-11-19 07:54:17,813 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 73 79) no Hoare annotation was computed. [2023-11-19 07:54:17,813 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 62 85) no Hoare annotation was computed. [2023-11-19 07:54:17,813 INFO L899 garLoopResultBuilder]: For program point processEnvironment_returnLabel#1(lines 86 92) no Hoare annotation was computed. [2023-11-19 07:54:17,813 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 62 85) no Hoare annotation was computed. [2023-11-19 07:54:17,814 INFO L899 garLoopResultBuilder]: For program point isPumpRunning_returnLabel#1(lines 120 128) no Hoare annotation was computed. [2023-11-19 07:54:17,814 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 861) no Hoare annotation was computed. [2023-11-19 07:54:17,814 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 402) no Hoare annotation was computed. [2023-11-19 07:54:17,814 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2023-11-19 07:54:17,815 INFO L899 garLoopResultBuilder]: For program point L388-1(lines 380 408) no Hoare annotation was computed. [2023-11-19 07:54:17,815 INFO L902 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: true [2023-11-19 07:54:17,815 INFO L895 garLoopResultBuilder]: At program point L225(lines 178 226) the Hoare annotation is: false [2023-11-19 07:54:17,815 INFO L899 garLoopResultBuilder]: For program point L180(lines 179 224) no Hoare annotation was computed. [2023-11-19 07:54:17,815 INFO L899 garLoopResultBuilder]: For program point L209(lines 209 220) no Hoare annotation was computed. [2023-11-19 07:54:17,816 INFO L899 garLoopResultBuilder]: For program point runTest_returnLabel#1(lines 335 345) no Hoare annotation was computed. [2023-11-19 07:54:17,816 INFO L899 garLoopResultBuilder]: For program point select_features_returnLabel#1(lines 248 254) no Hoare annotation was computed. [2023-11-19 07:54:17,816 INFO L895 garLoopResultBuilder]: At program point L201(line 201) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1)) [2023-11-19 07:54:17,816 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 346 368) no Hoare annotation was computed. [2023-11-19 07:54:17,817 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:54:17,817 INFO L895 garLoopResultBuilder]: At program point L222(lines 179 224) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1)) [2023-11-19 07:54:17,817 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 195) no Hoare annotation was computed. [2023-11-19 07:54:17,818 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:54:17,818 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 189 195) no Hoare annotation was computed. [2023-11-19 07:54:17,818 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 185) no Hoare annotation was computed. [2023-11-19 07:54:17,818 INFO L899 garLoopResultBuilder]: For program point setup_returnLabel#1(lines 327 333) no Hoare annotation was computed. [2023-11-19 07:54:17,818 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:54:17,819 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 219) no Hoare annotation was computed. [2023-11-19 07:54:17,819 INFO L895 garLoopResultBuilder]: At program point L215-2(lines 209 220) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1)) [2023-11-19 07:54:17,819 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:54:17,819 INFO L899 garLoopResultBuilder]: For program point select_helpers_returnLabel#1(lines 255 261) no Hoare annotation was computed. [2023-11-19 07:54:17,820 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 205) no Hoare annotation was computed. [2023-11-19 07:54:17,820 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 199 205) no Hoare annotation was computed. [2023-11-19 07:54:17,820 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 363) no Hoare annotation was computed. [2023-11-19 07:54:17,820 INFO L899 garLoopResultBuilder]: For program point L228(lines 169 232) no Hoare annotation was computed. [2023-11-19 07:54:17,820 INFO L899 garLoopResultBuilder]: For program point L356-2(lines 356 363) no Hoare annotation was computed. [2023-11-19 07:54:17,821 INFO L895 garLoopResultBuilder]: At program point L191(line 191) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1)) [2023-11-19 07:54:17,821 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__1_returnLabel#1(lines 372 379) no Hoare annotation was computed. [2023-11-19 07:54:17,821 INFO L899 garLoopResultBuilder]: For program point valid_product_returnLabel#1(lines 262 270) no Hoare annotation was computed. [2023-11-19 07:54:17,822 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 791 802) no Hoare annotation was computed. [2023-11-19 07:54:17,822 INFO L899 garLoopResultBuilder]: For program point L795-1(lines 791 802) no Hoare annotation was computed. [2023-11-19 07:54:17,822 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 791 802) the Hoare annotation is: true [2023-11-19 07:54:17,825 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 07:54:17,827 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:54:17,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:54:17 BoogieIcfgContainer [2023-11-19 07:54:17,840 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:54:17,841 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:54:17,841 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:54:17,841 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:54:17,842 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:16" (3/4) ... [2023-11-19 07:54:17,844 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:54:17,849 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-19 07:54:17,849 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-19 07:54:17,849 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-19 07:54:17,849 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-19 07:54:17,850 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-19 07:54:17,856 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-19 07:54:17,857 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 07:54:17,858 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 07:54:17,858 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:54:17,859 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:54:17,888 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0) && (\result == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1)) [2023-11-19 07:54:17,913 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0) && (\result == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1)) [2023-11-19 07:54:17,976 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0b47c15-c5a6-4286-b642-1d243e4805c6/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:54:17,977 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0b47c15-c5a6-4286-b642-1d243e4805c6/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:54:17,977 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:54:17,978 INFO L158 Benchmark]: Toolchain (without parser) took 2737.92ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 66.9MB in the beginning and 95.6MB in the end (delta: -28.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:54:17,979 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 109.1MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:54:17,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.86ms. Allocated memory is still 109.1MB. Free memory was 66.6MB in the beginning and 48.1MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:54:17,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.08ms. Allocated memory is still 109.1MB. Free memory was 48.1MB in the beginning and 81.5MB in the end (delta: -33.4MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2023-11-19 07:54:17,980 INFO L158 Benchmark]: Boogie Preprocessor took 30.40ms. Allocated memory is still 109.1MB. Free memory was 81.5MB in the beginning and 80.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:54:17,980 INFO L158 Benchmark]: RCFGBuilder took 469.77ms. Allocated memory is still 109.1MB. Free memory was 80.0MB in the beginning and 66.5MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:54:17,981 INFO L158 Benchmark]: TraceAbstraction took 1549.73ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 65.7MB in the beginning and 101.9MB in the end (delta: -36.2MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2023-11-19 07:54:17,981 INFO L158 Benchmark]: Witness Printer took 136.24ms. Allocated memory is still 134.2MB. Free memory was 101.9MB in the beginning and 95.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:54:17,984 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 109.1MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.86ms. Allocated memory is still 109.1MB. Free memory was 66.6MB in the beginning and 48.1MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.08ms. Allocated memory is still 109.1MB. Free memory was 48.1MB in the beginning and 81.5MB in the end (delta: -33.4MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.40ms. Allocated memory is still 109.1MB. Free memory was 81.5MB in the beginning and 80.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 469.77ms. Allocated memory is still 109.1MB. Free memory was 80.0MB in the beginning and 66.5MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1549.73ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 65.7MB in the beginning and 101.9MB in the end (delta: -36.2MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. * Witness Printer took 136.24ms. Allocated memory is still 134.2MB. Free memory was 101.9MB in the beginning and 95.6MB 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,"MinePump.i","") [49] - GenericResultAtLocation [Line: 165]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [165] - GenericResultAtLocation [Line: 233]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [233] - GenericResultAtLocation [Line: 271]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [271] - GenericResultAtLocation [Line: 369]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [369] - GenericResultAtLocation [Line: 409]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [409] - GenericResultAtLocation [Line: 775]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [775] - GenericResultAtLocation [Line: 856]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [856] * 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: 861]: 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 6 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 128 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 125 mSDsluCounter, 416 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 185 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 231 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 42 PreInvPairs, 47 NumberOfFragments, 74 HoareAnnotationTreeSize, 42 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 75 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 211 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: 283]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (\result == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1)) RESULT: Ultimate proved your program to be correct! [2023-11-19 07:54:18,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0b47c15-c5a6-4286-b642-1d243e4805c6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE