./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product59.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_52c256e0-f9ed-4454-94e9-9b21a7c605d8/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c256e0-f9ed-4454-94e9-9b21a7c605d8/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_52c256e0-f9ed-4454-94e9-9b21a7c605d8/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c256e0-f9ed-4454-94e9-9b21a7c605d8/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c256e0-f9ed-4454-94e9-9b21a7c605d8/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_52c256e0-f9ed-4454-94e9-9b21a7c605d8/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 44dae38cb994480933527955346e93b306d1aac023f2c5b3e53f2823ec637c09 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:59:40,613 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:59:40,701 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c256e0-f9ed-4454-94e9-9b21a7c605d8/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 12:59:40,713 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:59:40,714 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:59:40,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:59:40,747 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:59:40,747 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:59:40,748 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 12:59:40,748 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 12:59:40,748 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:59:40,748 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:59:40,749 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:59:40,749 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:59:40,749 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:59:40,749 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:59:40,749 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:59:40,750 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:59:40,750 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:59:40,750 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:59:40,750 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:59:40,750 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:59:40,750 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:59:40,750 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:59:40,750 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:59:40,750 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:59:40,751 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:59:40,751 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:59:40,751 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:59:40,751 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:59:40,751 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:59:40,751 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:59:40,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:59:40,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:59:40,752 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:59:40,752 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:59:40,754 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:59:40,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:59:40,755 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:59:40,755 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 12:59:40,755 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 12:59:40,755 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 12:59:40,755 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_52c256e0-f9ed-4454-94e9-9b21a7c605d8/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 -> 44dae38cb994480933527955346e93b306d1aac023f2c5b3e53f2823ec637c09 [2024-11-13 12:59:41,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:59:41,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:59:41,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:59:41,236 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:59:41,237 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:59:41,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c256e0-f9ed-4454-94e9-9b21a7c605d8/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/product-lines/minepump_spec3_product59.cil.c Unable to find full path for "g++" [2024-11-13 12:59:43,543 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:59:43,894 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:59:43,895 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c256e0-f9ed-4454-94e9-9b21a7c605d8/sv-benchmarks/c/product-lines/minepump_spec3_product59.cil.c [2024-11-13 12:59:43,910 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c256e0-f9ed-4454-94e9-9b21a7c605d8/bin/uautomizer-verify-qhAvR1uOyd/data/1845813f7/5055d9bdd9924b0486da31031c7a0483/FLAG0d1f1a643 [2024-11-13 12:59:43,929 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c256e0-f9ed-4454-94e9-9b21a7c605d8/bin/uautomizer-verify-qhAvR1uOyd/data/1845813f7/5055d9bdd9924b0486da31031c7a0483 [2024-11-13 12:59:43,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:59:43,934 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:59:43,936 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:59:43,936 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:59:43,942 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:59:43,943 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:59:43" (1/1) ... [2024-11-13 12:59:43,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63754480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:43, skipping insertion in model container [2024-11-13 12:59:43,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:59:43" (1/1) ... [2024-11-13 12:59:43,985 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:59:44,348 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_52c256e0-f9ed-4454-94e9-9b21a7c605d8/sv-benchmarks/c/product-lines/minepump_spec3_product59.cil.c[15143,15156] [2024-11-13 12:59:44,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:59:44,395 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:59:44,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-13 12:59:44,409 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] [2024-11-13 12:59:44,409 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [526] [2024-11-13 12:59:44,409 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [628] [2024-11-13 12:59:44,409 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [663] [2024-11-13 12:59:44,410 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [699] [2024-11-13 12:59:44,410 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [708] [2024-11-13 12:59:44,410 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [776] [2024-11-13 12:59:44,525 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_52c256e0-f9ed-4454-94e9-9b21a7c605d8/sv-benchmarks/c/product-lines/minepump_spec3_product59.cil.c[15143,15156] [2024-11-13 12:59:44,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:59:44,580 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:59:44,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:44 WrapperNode [2024-11-13 12:59:44,583 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:59:44,584 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:59:44,585 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:59:44,585 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:59:44,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:44" (1/1) ... [2024-11-13 12:59:44,609 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:44" (1/1) ... [2024-11-13 12:59:44,651 INFO L138 Inliner]: procedures = 57, calls = 103, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 229 [2024-11-13 12:59:44,653 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:59:44,654 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:59:44,654 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:59:44,654 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:59:44,663 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:44" (1/1) ... [2024-11-13 12:59:44,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:44" (1/1) ... [2024-11-13 12:59:44,666 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:44" (1/1) ... [2024-11-13 12:59:44,684 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 12:59:44,684 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:44" (1/1) ... [2024-11-13 12:59:44,685 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:44" (1/1) ... [2024-11-13 12:59:44,691 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:44" (1/1) ... [2024-11-13 12:59:44,697 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:44" (1/1) ... [2024-11-13 12:59:44,698 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:44" (1/1) ... [2024-11-13 12:59:44,700 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:44" (1/1) ... [2024-11-13 12:59:44,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:59:44,704 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:59:44,704 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:59:44,704 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:59:44,706 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:44" (1/1) ... [2024-11-13 12:59:44,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:59:44,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c256e0-f9ed-4454-94e9-9b21a7c605d8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:59:44,751 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c256e0-f9ed-4454-94e9-9b21a7c605d8/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 12:59:44,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c256e0-f9ed-4454-94e9-9b21a7c605d8/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 12:59:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:59:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-13 12:59:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-13 12:59:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-13 12:59:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-13 12:59:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-13 12:59:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-13 12:59:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-13 12:59:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-13 12:59:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2024-11-13 12:59:44,801 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2024-11-13 12:59:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-13 12:59:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-13 12:59:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-13 12:59:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-13 12:59:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 12:59:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-13 12:59:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-13 12:59:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:59:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:59:44,933 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:59:44,936 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:59:45,497 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-11-13 12:59:45,497 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:59:45,520 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:59:45,520 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 12:59:45,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:59:45 BoogieIcfgContainer [2024-11-13 12:59:45,521 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:59:45,526 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:59:45,526 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:59:45,532 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:59:45,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:59:43" (1/3) ... [2024-11-13 12:59:45,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f094800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:59:45, skipping insertion in model container [2024-11-13 12:59:45,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:44" (2/3) ... [2024-11-13 12:59:45,534 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f094800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:59:45, skipping insertion in model container [2024-11-13 12:59:45,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:59:45" (3/3) ... [2024-11-13 12:59:45,538 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product59.cil.c [2024-11-13 12:59:45,559 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:59:45,561 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec3_product59.cil.c that has 9 procedures, 100 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-13 12:59:45,646 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 12:59:45,666 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;@4781963c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:59:45,666 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 12:59:45,671 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 76 states have (on average 1.381578947368421) internal successors, (105), 85 states have internal predecessors, (105), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-13 12:59:45,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 12:59:45,685 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:59:45,686 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 12:59:45,688 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:59:45,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:59:45,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1171694808, now seen corresponding path program 1 times [2024-11-13 12:59:45,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:59:45,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796489345] [2024-11-13 12:59:45,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:59:45,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:59:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:46,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 12:59:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:46,042 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 12:59:46,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:59:46,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796489345] [2024-11-13 12:59:46,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796489345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:59:46,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:59:46,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:59:46,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206930499] [2024-11-13 12:59:46,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:59:46,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 12:59:46,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:59:46,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 12:59:46,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 12:59:46,080 INFO L87 Difference]: Start difference. First operand has 100 states, 76 states have (on average 1.381578947368421) internal successors, (105), 85 states have internal predecessors, (105), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) 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 12:59:46,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:59:46,121 INFO L93 Difference]: Finished difference Result 192 states and 261 transitions. [2024-11-13 12:59:46,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:59:46,128 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 12:59:46,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:59:46,141 INFO L225 Difference]: With dead ends: 192 [2024-11-13 12:59:46,141 INFO L226 Difference]: Without dead ends: 91 [2024-11-13 12:59:46,145 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 12:59:46,149 INFO L432 NwaCegarLoop]: 127 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, 127 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 12:59:46,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:59:46,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-13 12:59:46,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-13 12:59:46,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 69 states have (on average 1.318840579710145) internal successors, (91), 77 states have internal predecessors, (91), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-13 12:59:46,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2024-11-13 12:59:46,219 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 25 [2024-11-13 12:59:46,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:59:46,219 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2024-11-13 12:59:46,222 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 12:59:46,222 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2024-11-13 12:59:46,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 12:59:46,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:59:46,227 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 12:59:46,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 12:59:46,228 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:59:46,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:59:46,228 INFO L85 PathProgramCache]: Analyzing trace with hash 2120510310, now seen corresponding path program 1 times [2024-11-13 12:59:46,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:59:46,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416267524] [2024-11-13 12:59:46,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:59:46,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:59:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:46,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-13 12:59:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:46,438 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 12:59:46,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:59:46,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416267524] [2024-11-13 12:59:46,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416267524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:59:46,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:59:46,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:59:46,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15726380] [2024-11-13 12:59:46,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:59:46,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:59:46,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:59:46,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:59:46,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:59:46,448 INFO L87 Difference]: Start difference. First operand 91 states and 118 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 12:59:46,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:59:46,476 INFO L93 Difference]: Finished difference Result 144 states and 186 transitions. [2024-11-13 12:59:46,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:59:46,480 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 12:59:46,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:59:46,482 INFO L225 Difference]: With dead ends: 144 [2024-11-13 12:59:46,482 INFO L226 Difference]: Without dead ends: 82 [2024-11-13 12:59:46,483 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 12:59:46,484 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 16 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 189 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 12:59:46,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 189 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:59:46,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-13 12:59:46,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-13 12:59:46,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 63 states have (on average 1.3333333333333333) internal successors, (84), 71 states have internal predecessors, (84), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-13 12:59:46,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 106 transitions. [2024-11-13 12:59:46,503 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 106 transitions. Word has length 26 [2024-11-13 12:59:46,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:59:46,503 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 106 transitions. [2024-11-13 12:59:46,503 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 12:59:46,503 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 106 transitions. [2024-11-13 12:59:46,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 12:59:46,505 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:59:46,505 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] [2024-11-13 12:59:46,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 12:59:46,505 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:59:46,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:59:46,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1624057844, now seen corresponding path program 1 times [2024-11-13 12:59:46,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:59:46,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713277725] [2024-11-13 12:59:46,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:59:46,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:59:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:46,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 12:59:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:46,739 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 12:59:46,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:59:46,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713277725] [2024-11-13 12:59:46,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713277725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:59:46,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:59:46,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 12:59:46,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260668370] [2024-11-13 12:59:46,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:59:46,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:59:46,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:59:46,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:59:46,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 12:59:46,742 INFO L87 Difference]: Start difference. First operand 82 states and 106 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) [2024-11-13 12:59:47,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:59:47,095 INFO L93 Difference]: Finished difference Result 275 states and 362 transitions. [2024-11-13 12:59:47,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:59:47,096 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 [2024-11-13 12:59:47,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:59:47,098 INFO L225 Difference]: With dead ends: 275 [2024-11-13 12:59:47,098 INFO L226 Difference]: Without dead ends: 200 [2024-11-13 12:59:47,099 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 12:59:47,100 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 252 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 12:59:47,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 439 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 12:59:47,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-11-13 12:59:47,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 194. [2024-11-13 12:59:47,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 147 states have (on average 1.3605442176870748) internal successors, (200), 165 states have internal predecessors, (200), 27 states have call successors, (27), 19 states have call predecessors, (27), 19 states have return successors, (28), 19 states have call predecessors, (28), 27 states have call successors, (28) [2024-11-13 12:59:47,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 255 transitions. [2024-11-13 12:59:47,160 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 255 transitions. Word has length 30 [2024-11-13 12:59:47,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:59:47,161 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 255 transitions. [2024-11-13 12:59:47,165 INFO L472 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) [2024-11-13 12:59:47,165 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 255 transitions. [2024-11-13 12:59:47,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 12:59:47,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:59:47,168 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 12:59:47,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 12:59:47,168 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:59:47,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:59:47,169 INFO L85 PathProgramCache]: Analyzing trace with hash 72601666, now seen corresponding path program 1 times [2024-11-13 12:59:47,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:59:47,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201065913] [2024-11-13 12:59:47,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:59:47,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:59:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:47,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 12:59:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:47,550 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 12:59:47,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:59:47,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201065913] [2024-11-13 12:59:47,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201065913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:59:47,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:59:47,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 12:59:47,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029458341] [2024-11-13 12:59:47,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:59:47,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 12:59:47,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:59:47,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 12:59:47,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:59:47,555 INFO L87 Difference]: Start difference. First operand 194 states and 255 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 12:59:47,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:59:47,720 INFO L93 Difference]: Finished difference Result 551 states and 750 transitions. [2024-11-13 12:59:47,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:59:47,721 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 12:59:47,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:59:47,728 INFO L225 Difference]: With dead ends: 551 [2024-11-13 12:59:47,729 INFO L226 Difference]: Without dead ends: 364 [2024-11-13 12:59:47,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 12:59:47,736 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 68 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 12:59:47,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 385 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 12:59:47,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-13 12:59:47,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2024-11-13 12:59:47,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 274 states have (on average 1.3357664233576643) internal successors, (366), 306 states have internal predecessors, (366), 54 states have call successors, (54), 38 states have call predecessors, (54), 35 states have return successors, (60), 35 states have call predecessors, (60), 54 states have call successors, (60) [2024-11-13 12:59:47,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 480 transitions. [2024-11-13 12:59:47,830 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 480 transitions. Word has length 34 [2024-11-13 12:59:47,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:59:47,831 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 480 transitions. [2024-11-13 12:59:47,831 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 12:59:47,831 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 480 transitions. [2024-11-13 12:59:47,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 12:59:47,834 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:59:47,834 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 12:59:47,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 12:59:47,835 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:59:47,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:59:47,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1280398680, now seen corresponding path program 1 times [2024-11-13 12:59:47,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:59:47,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245379870] [2024-11-13 12:59:47,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:59:47,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:59:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:59:47,874 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:59:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:59:47,919 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:59:47,919 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 12:59:47,921 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 12:59:47,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 12:59:47,928 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-13 12:59:47,983 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 12:59:47,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 12:59:47 BoogieIcfgContainer [2024-11-13 12:59:47,989 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 12:59:47,990 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 12:59:47,990 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 12:59:47,991 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 12:59:47,992 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:59:45" (3/4) ... [2024-11-13 12:59:47,993 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 12:59:48,066 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c256e0-f9ed-4454-94e9-9b21a7c605d8/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 12:59:48,066 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 12:59:48,067 INFO L158 Benchmark]: Toolchain (without parser) took 4133.29ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 61.7MB in the end (delta: 28.9MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2024-11-13 12:59:48,067 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:59:48,068 INFO L158 Benchmark]: CACSL2BoogieTranslator took 647.98ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 71.4MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 12:59:48,068 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.90ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 69.7MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:59:48,069 INFO L158 Benchmark]: Boogie Preprocessor took 49.24ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 67.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:59:48,069 INFO L158 Benchmark]: RCFGBuilder took 817.06ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 49.8MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 12:59:48,069 INFO L158 Benchmark]: TraceAbstraction took 2463.80ms. Allocated memory is still 117.4MB. Free memory was 49.3MB in the beginning and 65.2MB in the end (delta: -15.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:59:48,070 INFO L158 Benchmark]: Witness Printer took 75.92ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 61.7MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:59:48,072 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 647.98ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 71.4MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.90ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 69.7MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.24ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 67.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 817.06ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 49.8MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2463.80ms. Allocated memory is still 117.4MB. Free memory was 49.3MB in the beginning and 65.2MB in the end (delta: -15.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 75.92ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 61.7MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] - GenericResultAtLocation [Line: 526]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [526] - GenericResultAtLocation [Line: 628]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [628] - GenericResultAtLocation [Line: 663]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [663] - GenericResultAtLocation [Line: 699]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [699] - GenericResultAtLocation [Line: 708]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [708] - GenericResultAtLocation [Line: 776]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [776] * 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: 704]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L424] int waterLevel = 1; [L425] int methaneLevelCritical = 0; [L527] int cleanupTimeShifts = 4; [L779] int pumpRunning = 0; [L780] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L606] int retValue_acc ; [L607] int tmp ; [L611] FCALL select_helpers() [L612] FCALL select_features() [L613] CALL, EXPR valid_product() [L655] int retValue_acc ; [L658] retValue_acc = 1 [L659] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L613] RET, EXPR valid_product() [L613] tmp = valid_product() [L615] COND TRUE \read(tmp) [L617] FCALL setup() [L618] CALL runTest() [L597] CALL test() [L711] int splverifierCounter ; [L712] int tmp ; [L713] int tmp___0 ; [L714] int tmp___1 ; [L715] int tmp___2 ; [L718] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L720] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L722] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L728] tmp = __VERIFIER_nondet_int() [L730] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L732] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L442] COND TRUE waterLevel < 2 [L443] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L732] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L738] tmp___0 = __VERIFIER_nondet_int() [L740] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L748] tmp___2 = __VERIFIER_nondet_int() [L750] COND FALSE !(\read(tmp___2)) [L754] tmp___1 = __VERIFIER_nondet_int() [L756] COND TRUE \read(tmp___1) [L758] CALL stopSystem() [L997] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L1004] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L758] RET stopSystem() [L765] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L786] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L793] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L801] CALL __utac_acc__Specification3_spec__1() [L667] int tmp ; [L668] int tmp___0 ; [L669] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L673] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L463] int retValue_acc ; [L466] retValue_acc = methaneLevelCritical [L467] 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] [L673] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L673] tmp = isMethaneLevelCritical() [L675] COND FALSE !(\read(tmp)) [L679] CALL, EXPR getWaterLevel() [L495] int retValue_acc ; [L498] retValue_acc = waterLevel [L499] 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] [L679] RET, EXPR getWaterLevel() [L679] tmp___0 = getWaterLevel() [L681] COND TRUE tmp___0 == 2 [L683] CALL, EXPR isPumpRunning() [L911] int retValue_acc ; [L914] retValue_acc = pumpRunning [L915] 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] [L683] RET, EXPR isPumpRunning() [L683] tmp___1 = isPumpRunning() [L685] COND FALSE !(\read(tmp___1)) [L689] CALL __automaton_fail() [L704] 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, 100 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 340 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 336 mSDsluCounter, 1140 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 687 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 121 IncrementalHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 453 mSDtfsCounter, 121 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=364occurred 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 215 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 12:59:48,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c256e0-f9ed-4454-94e9-9b21a7c605d8/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