./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafe2bbe-2f4a-45e1-b32d-3d451be40dde/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafe2bbe-2f4a-45e1-b32d-3d451be40dde/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafe2bbe-2f4a-45e1-b32d-3d451be40dde/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafe2bbe-2f4a-45e1-b32d-3d451be40dde/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product24.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafe2bbe-2f4a-45e1-b32d-3d451be40dde/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafe2bbe-2f4a-45e1-b32d-3d451be40dde/bin/uautomizer-verify-qhAvR1uOyd --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 168393e8d033cc8a1f93b6836944286e12246452392b8a342ff0210c89948e1e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:59:16,928 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:59:17,001 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafe2bbe-2f4a-45e1-b32d-3d451be40dde/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 12:59:17,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:59:17,006 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:59:17,032 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:59:17,033 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:59:17,033 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:59:17,034 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 12:59:17,034 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 12:59:17,034 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:59:17,034 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:59:17,034 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:59:17,035 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:59:17,035 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:59:17,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:59:17,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:59:17,035 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:59:17,035 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:59:17,035 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:59:17,036 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:59:17,036 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:59:17,036 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:59:17,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:59:17,036 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:59:17,036 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:59:17,036 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:59:17,036 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:59:17,037 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:59:17,037 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:59:17,037 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:59:17,037 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:59:17,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:59:17,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:59:17,038 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:59:17,038 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:59:17,038 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:59:17,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:59:17,038 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:59:17,038 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 12:59:17,038 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 12:59:17,038 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 12:59:17,038 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_cafe2bbe-2f4a-45e1-b32d-3d451be40dde/bin/uautomizer-verify-qhAvR1uOyd 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 -> 168393e8d033cc8a1f93b6836944286e12246452392b8a342ff0210c89948e1e [2024-11-13 12:59:17,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:59:17,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:59:17,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:59:17,415 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:59:17,416 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:59:17,417 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafe2bbe-2f4a-45e1-b32d-3d451be40dde/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/product-lines/minepump_spec3_product24.cil.c Unable to find full path for "g++" [2024-11-13 12:59:19,349 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:59:19,722 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:59:19,723 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafe2bbe-2f4a-45e1-b32d-3d451be40dde/sv-benchmarks/c/product-lines/minepump_spec3_product24.cil.c [2024-11-13 12:59:19,733 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafe2bbe-2f4a-45e1-b32d-3d451be40dde/bin/uautomizer-verify-qhAvR1uOyd/data/4ea1d4b36/b17758075d434b6ba8c0ae52e514d1d0/FLAGfb237d408 [2024-11-13 12:59:19,750 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafe2bbe-2f4a-45e1-b32d-3d451be40dde/bin/uautomizer-verify-qhAvR1uOyd/data/4ea1d4b36/b17758075d434b6ba8c0ae52e514d1d0 [2024-11-13 12:59:19,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:59:19,755 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:59:19,757 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:59:19,757 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:59:19,765 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:59:19,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:59:19" (1/1) ... [2024-11-13 12:59:19,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d445cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:19, skipping insertion in model container [2024-11-13 12:59:19,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:59:19" (1/1) ... [2024-11-13 12:59:19,802 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:59:20,018 WARN L250 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_cafe2bbe-2f4a-45e1-b32d-3d451be40dde/sv-benchmarks/c/product-lines/minepump_spec3_product24.cil.c[1605,1618] [2024-11-13 12:59:20,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:59:20,238 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:59:20,249 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-13 12:59:20,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [58] [2024-11-13 12:59:20,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [271] [2024-11-13 12:59:20,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [343] [2024-11-13 12:59:20,253 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [378] [2024-11-13 12:59:20,253 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [477] [2024-11-13 12:59:20,253 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [843] [2024-11-13 12:59:20,253 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [932] [2024-11-13 12:59:20,262 WARN L250 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_cafe2bbe-2f4a-45e1-b32d-3d451be40dde/sv-benchmarks/c/product-lines/minepump_spec3_product24.cil.c[1605,1618] [2024-11-13 12:59:20,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:59:20,357 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:59:20,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:20 WrapperNode [2024-11-13 12:59:20,357 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:59:20,358 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:59:20,359 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:59:20,359 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:59:20,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:20" (1/1) ... [2024-11-13 12:59:20,379 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:20" (1/1) ... [2024-11-13 12:59:20,414 INFO L138 Inliner]: procedures = 55, calls = 101, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 197 [2024-11-13 12:59:20,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:59:20,415 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:59:20,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:59:20,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:59:20,423 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:20" (1/1) ... [2024-11-13 12:59:20,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:20" (1/1) ... [2024-11-13 12:59:20,426 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:20" (1/1) ... [2024-11-13 12:59:20,445 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 12:59:20,445 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:20" (1/1) ... [2024-11-13 12:59:20,445 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:20" (1/1) ... [2024-11-13 12:59:20,451 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:20" (1/1) ... [2024-11-13 12:59:20,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:20" (1/1) ... [2024-11-13 12:59:20,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:20" (1/1) ... [2024-11-13 12:59:20,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:20" (1/1) ... [2024-11-13 12:59:20,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:59:20,461 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:59:20,461 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:59:20,462 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:59:20,463 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:20" (1/1) ... [2024-11-13 12:59:20,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:59:20,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafe2bbe-2f4a-45e1-b32d-3d451be40dde/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:59:20,500 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafe2bbe-2f4a-45e1-b32d-3d451be40dde/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 12:59:20,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafe2bbe-2f4a-45e1-b32d-3d451be40dde/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 12:59:20,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:59:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-13 12:59:20,540 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-13 12:59:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-13 12:59:20,540 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-13 12:59:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-13 12:59:20,540 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-13 12:59:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-13 12:59:20,541 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-13 12:59:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-13 12:59:20,541 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-13 12:59:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2024-11-13 12:59:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2024-11-13 12:59:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-13 12:59:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-13 12:59:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 12:59:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-13 12:59:20,543 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-13 12:59:20,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:59:20,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:59:20,635 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:59:20,638 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:59:20,953 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-13 12:59:20,953 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:59:20,972 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:59:20,975 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 12:59:20,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:59:20 BoogieIcfgContainer [2024-11-13 12:59:20,976 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:59:20,978 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:59:20,980 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:59:20,985 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:59:20,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:59:19" (1/3) ... [2024-11-13 12:59:20,986 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616341df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:59:20, skipping insertion in model container [2024-11-13 12:59:20,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:20" (2/3) ... [2024-11-13 12:59:20,986 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616341df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:59:20, skipping insertion in model container [2024-11-13 12:59:20,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:59:20" (3/3) ... [2024-11-13 12:59:20,988 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product24.cil.c [2024-11-13 12:59:21,007 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:59:21,010 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec3_product24.cil.c that has 9 procedures, 94 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-13 12:59:21,083 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 12:59:21,105 INFO L333 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, 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;@525ff2f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:59:21,105 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 12:59:21,110 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 78 states have internal predecessors, (95), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 12:59:21,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 12:59:21,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:59:21,124 INFO L215 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] [2024-11-13 12:59:21,125 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:59:21,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:59:21,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1130829037, now seen corresponding path program 1 times [2024-11-13 12:59:21,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:59:21,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637474655] [2024-11-13 12:59:21,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:59:21,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:59:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:21,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 12:59:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:21,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:59:21,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:59:21,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637474655] [2024-11-13 12:59:21,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637474655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:59:21,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:59:21,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:59:21,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905197521] [2024-11-13 12:59:21,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:59:21,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 12:59:21,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:59:21,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 12:59:21,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 12:59:21,474 INFO L87 Difference]: Start difference. First operand has 94 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 78 states have internal predecessors, (95), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:59:21,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:59:21,524 INFO L93 Difference]: Finished difference Result 180 states and 245 transitions. [2024-11-13 12:59:21,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:59:21,526 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 [2024-11-13 12:59:21,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:59:21,538 INFO L225 Difference]: With dead ends: 180 [2024-11-13 12:59:21,538 INFO L226 Difference]: Without dead ends: 85 [2024-11-13 12:59:21,543 INFO L431 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 [2024-11-13 12:59:21,548 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:59:21,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:59:21,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-13 12:59:21,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-13 12:59:21,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 70 states have internal predecessors, (81), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-13 12:59:21,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 110 transitions. [2024-11-13 12:59:21,618 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 110 transitions. Word has length 25 [2024-11-13 12:59:21,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:59:21,618 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 110 transitions. [2024-11-13 12:59:21,619 INFO L472 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) [2024-11-13 12:59:21,619 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 110 transitions. [2024-11-13 12:59:21,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 12:59:21,623 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:59:21,623 INFO L215 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] [2024-11-13 12:59:21,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 12:59:21,624 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:59:21,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:59:21,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1862505890, now seen corresponding path program 1 times [2024-11-13 12:59:21,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:59:21,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868903289] [2024-11-13 12:59:21,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:59:21,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:59:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:21,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-13 12:59:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:21,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:59:21,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:59:21,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868903289] [2024-11-13 12:59:21,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868903289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:59:21,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:59:21,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:59:21,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106042210] [2024-11-13 12:59:21,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:59:21,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:59:21,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:59:21,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:59:21,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:59:21,787 INFO L87 Difference]: Start difference. First operand 85 states and 110 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:59:21,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:59:21,809 INFO L93 Difference]: Finished difference Result 131 states and 169 transitions. [2024-11-13 12:59:21,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:59:21,810 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 [2024-11-13 12:59:21,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:59:21,811 INFO L225 Difference]: With dead ends: 131 [2024-11-13 12:59:21,811 INFO L226 Difference]: Without dead ends: 76 [2024-11-13 12:59:21,812 INFO L431 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 [2024-11-13 12:59:21,813 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 17 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:59:21,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 172 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:59:21,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-13 12:59:21,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-13 12:59:21,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 64 states have internal predecessors, (74), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 12:59:21,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 98 transitions. [2024-11-13 12:59:21,829 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 98 transitions. Word has length 26 [2024-11-13 12:59:21,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:59:21,829 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 98 transitions. [2024-11-13 12:59:21,829 INFO L472 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) [2024-11-13 12:59:21,829 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions. [2024-11-13 12:59:21,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 12:59:21,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:59:21,831 INFO L215 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] [2024-11-13 12:59:21,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 12:59:21,831 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:59:21,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:59:21,832 INFO L85 PathProgramCache]: Analyzing trace with hash 843393974, now seen corresponding path program 1 times [2024-11-13 12:59:21,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:59:21,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514249648] [2024-11-13 12:59:21,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:59:21,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:59:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:22,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 12:59:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:22,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:59:22,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:59:22,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514249648] [2024-11-13 12:59:22,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514249648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:59:22,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:59:22,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 12:59:22,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191790895] [2024-11-13 12:59:22,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:59:22,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:59:22,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:59:22,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:59:22,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 12:59:22,070 INFO L87 Difference]: Start difference. First operand 76 states and 98 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:59:22,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:59:22,395 INFO L93 Difference]: Finished difference Result 256 states and 337 transitions. [2024-11-13 12:59:22,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:59:22,395 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-11-13 12:59:22,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:59:22,397 INFO L225 Difference]: With dead ends: 256 [2024-11-13 12:59:22,397 INFO L226 Difference]: Without dead ends: 187 [2024-11-13 12:59:22,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-13 12:59:22,399 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 165 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 12:59:22,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 440 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 12:59:22,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-13 12:59:22,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 181. [2024-11-13 12:59:22,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 132 states have (on average 1.356060606060606) internal successors, (179), 150 states have internal predecessors, (179), 29 states have call successors, (29), 19 states have call predecessors, (29), 19 states have return successors, (30), 19 states have call predecessors, (30), 29 states have call successors, (30) [2024-11-13 12:59:22,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 238 transitions. [2024-11-13 12:59:22,429 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 238 transitions. Word has length 31 [2024-11-13 12:59:22,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:59:22,429 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 238 transitions. [2024-11-13 12:59:22,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:59:22,429 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 238 transitions. [2024-11-13 12:59:22,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 12:59:22,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:59:22,434 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:59:22,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 12:59:22,434 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:59:22,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:59:22,435 INFO L85 PathProgramCache]: Analyzing trace with hash -699342229, now seen corresponding path program 1 times [2024-11-13 12:59:22,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:59:22,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303423529] [2024-11-13 12:59:22,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:59:22,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:59:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:22,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 12:59:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:22,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:59:22,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:59:22,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303423529] [2024-11-13 12:59:22,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303423529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:59:22,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:59:22,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 12:59:22,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101340440] [2024-11-13 12:59:22,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:59:22,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 12:59:22,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:59:22,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 12:59:22,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:59:22,659 INFO L87 Difference]: Start difference. First operand 181 states and 238 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:59:22,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:59:22,776 INFO L93 Difference]: Finished difference Result 512 states and 695 transitions. [2024-11-13 12:59:22,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:59:22,777 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2024-11-13 12:59:22,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:59:22,787 INFO L225 Difference]: With dead ends: 512 [2024-11-13 12:59:22,787 INFO L226 Difference]: Without dead ends: 338 [2024-11-13 12:59:22,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 12:59:22,790 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 61 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:59:22,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 358 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:59:22,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-13 12:59:22,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2024-11-13 12:59:22,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 244 states have (on average 1.3360655737704918) internal successors, (326), 276 states have internal predecessors, (326), 58 states have call successors, (58), 38 states have call predecessors, (58), 35 states have return successors, (64), 35 states have call predecessors, (64), 58 states have call successors, (64) [2024-11-13 12:59:22,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 448 transitions. [2024-11-13 12:59:22,890 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 448 transitions. Word has length 34 [2024-11-13 12:59:22,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:59:22,890 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 448 transitions. [2024-11-13 12:59:22,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:59:22,890 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 448 transitions. [2024-11-13 12:59:22,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 12:59:22,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:59:22,900 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:59:22,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 12:59:22,901 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:59:22,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:59:22,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1627300561, now seen corresponding path program 1 times [2024-11-13 12:59:22,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:59:22,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751502721] [2024-11-13 12:59:22,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:59:22,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:59:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:59:22,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:59:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:59:22,969 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:59:22,969 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 12:59:22,971 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 12:59:22,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 12:59:22,976 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-13 12:59:23,022 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 12:59:23,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 12:59:23 BoogieIcfgContainer [2024-11-13 12:59:23,028 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 12:59:23,028 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 12:59:23,028 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 12:59:23,029 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 12:59:23,031 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:59:20" (3/4) ... [2024-11-13 12:59:23,032 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 12:59:23,133 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafe2bbe-2f4a-45e1-b32d-3d451be40dde/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 12:59:23,133 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 12:59:23,134 INFO L158 Benchmark]: Toolchain (without parser) took 3379.38ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 114.7MB in the end (delta: 3.5MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB. [2024-11-13 12:59:23,134 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 167.8MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:59:23,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 601.38ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 99.6MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 12:59:23,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.47ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 97.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:59:23,137 INFO L158 Benchmark]: Boogie Preprocessor took 45.04ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 95.8MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:59:23,138 INFO L158 Benchmark]: RCFGBuilder took 514.60ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 79.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 12:59:23,138 INFO L158 Benchmark]: TraceAbstraction took 2049.36ms. Allocated memory is still 142.6MB. Free memory was 78.6MB in the beginning and 51.8MB in the end (delta: 26.8MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-11-13 12:59:23,139 INFO L158 Benchmark]: Witness Printer took 105.07ms. Allocated memory is still 142.6MB. Free memory was 51.8MB in the beginning and 114.7MB in the end (delta: -62.9MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2024-11-13 12:59:23,142 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 167.8MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 601.38ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 99.6MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.47ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 97.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.04ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 95.8MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 514.60ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 79.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2049.36ms. Allocated memory is still 142.6MB. Free memory was 78.6MB in the beginning and 51.8MB in the end (delta: 26.8MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Witness Printer took 105.07ms. Allocated memory is still 142.6MB. Free memory was 51.8MB in the beginning and 114.7MB in the end (delta: -62.9MB). Peak memory consumption was 8.9MB. 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [58] - GenericResultAtLocation [Line: 271]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [271] - GenericResultAtLocation [Line: 343]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [343] - GenericResultAtLocation [Line: 378]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [378] - GenericResultAtLocation [Line: 477]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [477] - GenericResultAtLocation [Line: 843]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [843] - GenericResultAtLocation [Line: 932]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [932] * 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 - CounterExampleResult [Line: 54]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L70] int pumpRunning = 0; [L71] int systemActive = 1; [L379] int cleanupTimeShifts = 4; [L647] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L844] int waterLevel = 1; [L845] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L455] int retValue_acc ; [L456] int tmp ; [L460] FCALL select_helpers() [L461] FCALL select_features() [L462] CALL, EXPR valid_product() [L959] int retValue_acc ; [L962] retValue_acc = 1 [L963] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L462] RET, EXPR valid_product() [L462] tmp = valid_product() [L464] COND TRUE \read(tmp) [L466] FCALL setup() [L467] CALL runTest() [L446] CALL test() [L276] int splverifierCounter ; [L277] int tmp ; [L278] int tmp___0 ; [L279] int tmp___1 ; [L280] int tmp___2 ; [L283] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L285] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L287] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L293] tmp = __VERIFIER_nondet_int() [L295] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L297] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L862] COND TRUE waterLevel < 2 [L863] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L297] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L303] tmp___0 = __VERIFIER_nondet_int() [L305] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L313] tmp___2 = __VERIFIER_nondet_int() [L315] COND FALSE !(\read(tmp___2)) [L321] tmp___1 = __VERIFIER_nondet_int() [L323] COND TRUE \read(tmp___1) [L325] CALL stopSystem() [L252] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L259] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L325] RET stopSystem() [L332] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L78] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L85] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L93] CALL __utac_acc__Specification3_spec__1() [L346] int tmp ; [L347] int tmp___0 ; [L348] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L352] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L883] int retValue_acc ; [L886] retValue_acc = methaneLevelCritical [L887] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L352] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L352] tmp = isMethaneLevelCritical() [L354] COND FALSE !(\read(tmp)) [L358] CALL, EXPR getWaterLevel() [L915] int retValue_acc ; [L918] retValue_acc = waterLevel [L919] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L358] RET, EXPR getWaterLevel() [L358] tmp___0 = getWaterLevel() [L360] COND TRUE tmp___0 == 2 [L362] CALL, EXPR isPumpRunning() [L185] int retValue_acc ; [L188] retValue_acc = pumpRunning [L189] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L362] RET, EXPR isPumpRunning() [L362] tmp___1 = isPumpRunning() [L364] COND FALSE !(\read(tmp___1)) [L368] CALL __automaton_fail() [L54] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 247 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 243 mSDsluCounter, 1089 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 668 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 128 IncrementalHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 421 mSDtfsCounter, 128 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=338occurred in iteration=4, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 219 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-13 12:59:23,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafe2bbe-2f4a-45e1-b32d-3d451be40dde/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE