./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product13.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_49c81b0d-d9c3-4e82-abd9-833243c2f95f/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c81b0d-d9c3-4e82-abd9-833243c2f95f/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_49c81b0d-d9c3-4e82-abd9-833243c2f95f/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c81b0d-d9c3-4e82-abd9-833243c2f95f/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c81b0d-d9c3-4e82-abd9-833243c2f95f/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_49c81b0d-d9c3-4e82-abd9-833243c2f95f/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 4e8d46dd9ecc40481581770f17d7ff7eeb44cf0ae7cc4edb04be6d125fad45fc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:02:52,972 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:02:53,069 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c81b0d-d9c3-4e82-abd9-833243c2f95f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 14:02:53,079 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:02:53,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:02:53,115 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:02:53,116 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:02:53,116 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:02:53,116 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:02:53,117 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:02:53,118 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:02:53,118 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:02:53,119 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:02:53,119 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:02:53,120 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:02:53,120 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:02:53,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:02:53,120 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:02:53,120 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:02:53,120 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:02:53,120 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:02:53,121 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:02:53,121 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:02:53,121 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:02:53,121 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:02:53,121 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:02:53,121 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:02:53,121 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:02:53,122 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:02:53,122 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:02:53,122 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:02:53,122 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:02:53,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:02:53,123 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:02:53,123 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:02:53,123 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:02:53,124 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:02:53,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:02:53,124 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:02:53,124 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:02:53,124 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:02:53,124 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:02:53,124 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_49c81b0d-d9c3-4e82-abd9-833243c2f95f/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 -> 4e8d46dd9ecc40481581770f17d7ff7eeb44cf0ae7cc4edb04be6d125fad45fc [2024-11-13 14:02:53,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:02:53,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:02:53,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:02:53,470 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:02:53,471 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:02:53,472 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c81b0d-d9c3-4e82-abd9-833243c2f95f/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c Unable to find full path for "g++" [2024-11-13 14:02:55,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:02:55,746 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:02:55,750 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c81b0d-d9c3-4e82-abd9-833243c2f95f/sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c [2024-11-13 14:02:55,769 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c81b0d-d9c3-4e82-abd9-833243c2f95f/bin/uautomizer-verify-qhAvR1uOyd/data/6ec2fc932/23a382fafd33466ab70e8352050ed904/FLAG9ac996a0d [2024-11-13 14:02:55,797 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c81b0d-d9c3-4e82-abd9-833243c2f95f/bin/uautomizer-verify-qhAvR1uOyd/data/6ec2fc932/23a382fafd33466ab70e8352050ed904 [2024-11-13 14:02:55,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:02:55,802 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:02:55,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:02:55,807 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:02:55,812 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:02:55,813 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:02:55" (1/1) ... [2024-11-13 14:02:55,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@660bfaa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:55, skipping insertion in model container [2024-11-13 14:02:55,814 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:02:55" (1/1) ... [2024-11-13 14:02:55,864 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:02:56,109 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_49c81b0d-d9c3-4e82-abd9-833243c2f95f/sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c[3343,3356] [2024-11-13 14:02:56,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:02:56,271 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:02:56,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-13 14:02:56,281 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [135] [2024-11-13 14:02:56,281 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [173] [2024-11-13 14:02:56,281 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [182] [2024-11-13 14:02:56,282 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [281] [2024-11-13 14:02:56,283 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [435] [2024-11-13 14:02:56,283 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [469] [2024-11-13 14:02:56,283 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [534] [2024-11-13 14:02:56,293 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_49c81b0d-d9c3-4e82-abd9-833243c2f95f/sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c[3343,3356] [2024-11-13 14:02:56,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:02:56,378 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:02:56,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:56 WrapperNode [2024-11-13 14:02:56,379 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:02:56,381 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:02:56,381 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:02:56,382 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:02:56,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:56" (1/1) ... [2024-11-13 14:02:56,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:56" (1/1) ... [2024-11-13 14:02:56,424 INFO L138 Inliner]: procedures = 51, calls = 95, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 150 [2024-11-13 14:02:56,424 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:02:56,425 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:02:56,425 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:02:56,425 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:02:56,433 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:56" (1/1) ... [2024-11-13 14:02:56,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:56" (1/1) ... [2024-11-13 14:02:56,435 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:56" (1/1) ... [2024-11-13 14:02:56,447 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 14:02:56,447 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:56" (1/1) ... [2024-11-13 14:02:56,447 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:56" (1/1) ... [2024-11-13 14:02:56,452 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:56" (1/1) ... [2024-11-13 14:02:56,456 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:56" (1/1) ... [2024-11-13 14:02:56,458 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:56" (1/1) ... [2024-11-13 14:02:56,459 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:56" (1/1) ... [2024-11-13 14:02:56,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:02:56,461 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:02:56,461 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:02:56,462 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:02:56,462 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:56" (1/1) ... [2024-11-13 14:02:56,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:02:56,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c81b0d-d9c3-4e82-abd9-833243c2f95f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:56,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c81b0d-d9c3-4e82-abd9-833243c2f95f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:56,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c81b0d-d9c3-4e82-abd9-833243c2f95f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:02:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:02:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-13 14:02:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-13 14:02:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-13 14:02:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-13 14:02:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-13 14:02:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-13 14:02:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-13 14:02:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-13 14:02:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-11-13 14:02:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-11-13 14:02:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-11-13 14:02:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-11-13 14:02:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:02:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-13 14:02:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-13 14:02:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:02:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:02:56,625 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:02:56,627 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:02:56,919 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-13 14:02:56,919 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:02:56,934 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:02:56,934 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 14:02:56,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:02:56 BoogieIcfgContainer [2024-11-13 14:02:56,935 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:02:56,937 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:02:56,939 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:02:56,943 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:02:56,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:02:55" (1/3) ... [2024-11-13 14:02:56,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7c4386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:02:56, skipping insertion in model container [2024-11-13 14:02:56,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:56" (2/3) ... [2024-11-13 14:02:56,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7c4386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:02:56, skipping insertion in model container [2024-11-13 14:02:56,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:02:56" (3/3) ... [2024-11-13 14:02:56,947 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product13.cil.c [2024-11-13 14:02:56,964 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:02:56,965 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec3_product13.cil.c that has 8 procedures, 78 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-13 14:02:57,034 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:02:57,050 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;@11b4db94, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:02:57,050 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:02:57,056 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 58 states have (on average 1.3793103448275863) internal successors, (80), 64 states have internal predecessors, (80), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-13 14:02:57,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 14:02:57,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:02:57,067 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 14:02:57,068 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:02:57,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:57,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1936976149, now seen corresponding path program 1 times [2024-11-13 14:02:57,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:57,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081198297] [2024-11-13 14:02:57,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:57,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:57,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 14:02:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:57,330 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 14:02:57,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:57,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081198297] [2024-11-13 14:02:57,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081198297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:02:57,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:02:57,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:02:57,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13554248] [2024-11-13 14:02:57,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:02:57,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:02:57,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:57,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:02:57,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:02:57,368 INFO L87 Difference]: Start difference. First operand has 78 states, 58 states have (on average 1.3793103448275863) internal successors, (80), 64 states have internal predecessors, (80), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) 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 14:02:57,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:02:57,423 INFO L93 Difference]: Finished difference Result 148 states and 199 transitions. [2024-11-13 14:02:57,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:02:57,425 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 14:02:57,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:02:57,432 INFO L225 Difference]: With dead ends: 148 [2024-11-13 14:02:57,433 INFO L226 Difference]: Without dead ends: 69 [2024-11-13 14:02:57,436 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 14:02:57,438 INFO L432 NwaCegarLoop]: 96 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, 96 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 14:02:57,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:02:57,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-13 14:02:57,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-13 14:02:57,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 56 states have internal predecessors, (66), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 14:02:57,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions. [2024-11-13 14:02:57,479 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 25 [2024-11-13 14:02:57,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:02:57,480 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions. [2024-11-13 14:02:57,480 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 14:02:57,480 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2024-11-13 14:02:57,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 14:02:57,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:02:57,483 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 14:02:57,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:02:57,483 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:02:57,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:57,484 INFO L85 PathProgramCache]: Analyzing trace with hash -522205066, now seen corresponding path program 1 times [2024-11-13 14:02:57,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:57,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433933964] [2024-11-13 14:02:57,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:57,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:57,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-13 14:02:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:57,679 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 14:02:57,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:57,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433933964] [2024-11-13 14:02:57,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433933964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:02:57,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:02:57,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:02:57,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514344291] [2024-11-13 14:02:57,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:02:57,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:02:57,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:57,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:02:57,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:02:57,682 INFO L87 Difference]: Start difference. First operand 69 states and 87 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 14:02:57,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:02:57,710 INFO L93 Difference]: Finished difference Result 104 states and 130 transitions. [2024-11-13 14:02:57,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:02:57,711 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 14:02:57,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:02:57,712 INFO L225 Difference]: With dead ends: 104 [2024-11-13 14:02:57,715 INFO L226 Difference]: Without dead ends: 60 [2024-11-13 14:02:57,716 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 14:02:57,717 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 12 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 132 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 14:02:57,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 132 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:02:57,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-13 14:02:57,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-13 14:02:57,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 50 states have internal predecessors, (59), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 14:02:57,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 75 transitions. [2024-11-13 14:02:57,730 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 75 transitions. Word has length 26 [2024-11-13 14:02:57,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:02:57,731 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 75 transitions. [2024-11-13 14:02:57,731 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 14:02:57,731 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2024-11-13 14:02:57,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 14:02:57,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:02:57,734 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 14:02:57,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:02:57,734 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:02:57,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:57,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1674648591, now seen corresponding path program 1 times [2024-11-13 14:02:57,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:57,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117864561] [2024-11-13 14:02:57,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:57,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:58,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 14:02:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:58,039 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 14:02:58,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:58,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117864561] [2024-11-13 14:02:58,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117864561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:02:58,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:02:58,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:02:58,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926751812] [2024-11-13 14:02:58,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:02:58,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:02:58,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:58,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:02:58,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:02:58,045 INFO L87 Difference]: Start difference. First operand 60 states and 75 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 14:02:58,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:02:58,196 INFO L93 Difference]: Finished difference Result 113 states and 144 transitions. [2024-11-13 14:02:58,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:02:58,197 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 14:02:58,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:02:58,198 INFO L225 Difference]: With dead ends: 113 [2024-11-13 14:02:58,198 INFO L226 Difference]: Without dead ends: 60 [2024-11-13 14:02:58,198 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 14:02:58,199 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 115 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:02:58,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 177 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:02:58,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-13 14:02:58,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-13 14:02:58,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 45 states have (on average 1.288888888888889) internal successors, (58), 50 states have internal predecessors, (58), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 14:02:58,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 74 transitions. [2024-11-13 14:02:58,220 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 74 transitions. Word has length 30 [2024-11-13 14:02:58,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:02:58,220 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 74 transitions. [2024-11-13 14:02:58,221 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 14:02:58,221 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2024-11-13 14:02:58,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 14:02:58,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:02:58,222 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] [2024-11-13 14:02:58,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:02:58,222 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:02:58,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:58,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1104712924, now seen corresponding path program 1 times [2024-11-13 14:02:58,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:58,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428607027] [2024-11-13 14:02:58,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:58,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:58,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 14:02:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:58,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 14:02:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:58,411 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 14:02:58,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:58,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428607027] [2024-11-13 14:02:58,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428607027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:02:58,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:02:58,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:02:58,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2539931] [2024-11-13 14:02:58,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:02:58,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:02:58,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:58,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:02:58,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:02:58,416 INFO L87 Difference]: Start difference. First operand 60 states and 74 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 14:02:58,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:02:58,517 INFO L93 Difference]: Finished difference Result 159 states and 205 transitions. [2024-11-13 14:02:58,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:02:58,518 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2024-11-13 14:02:58,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:02:58,520 INFO L225 Difference]: With dead ends: 159 [2024-11-13 14:02:58,520 INFO L226 Difference]: Without dead ends: 106 [2024-11-13 14:02:58,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 14:02:58,521 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 38 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:02:58,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 266 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:02:58,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-13 14:02:58,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-11-13 14:02:58,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 78 states have (on average 1.2820512820512822) internal successors, (100), 86 states have internal predecessors, (100), 16 states have call successors, (16), 12 states have call predecessors, (16), 11 states have return successors, (17), 13 states have call predecessors, (17), 16 states have call successors, (17) [2024-11-13 14:02:58,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 133 transitions. [2024-11-13 14:02:58,558 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 133 transitions. Word has length 35 [2024-11-13 14:02:58,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:02:58,560 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 133 transitions. [2024-11-13 14:02:58,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 14:02:58,560 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 133 transitions. [2024-11-13 14:02:58,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 14:02:58,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:02:58,565 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, 1] [2024-11-13 14:02:58,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:02:58,565 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:02:58,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:58,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1798667818, now seen corresponding path program 1 times [2024-11-13 14:02:58,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:58,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143750844] [2024-11-13 14:02:58,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:58,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:58,608 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:02:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:58,707 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:02:58,707 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:02:58,710 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 14:02:58,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 14:02:58,714 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-13 14:02:58,760 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:02:58,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:02:58 BoogieIcfgContainer [2024-11-13 14:02:58,764 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:02:58,764 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:02:58,764 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:02:58,765 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:02:58,765 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:02:56" (3/4) ... [2024-11-13 14:02:58,766 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 14:02:58,830 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c81b0d-d9c3-4e82-abd9-833243c2f95f/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:02:58,830 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:02:58,831 INFO L158 Benchmark]: Toolchain (without parser) took 3029.49ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 81.9MB in the end (delta: 9.9MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2024-11-13 14:02:58,831 INFO L158 Benchmark]: CDTParser took 1.15ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:02:58,832 INFO L158 Benchmark]: CACSL2BoogieTranslator took 573.51ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 73.6MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:02:58,832 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.90ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 71.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:02:58,833 INFO L158 Benchmark]: Boogie Preprocessor took 36.04ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 70.5MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:02:58,834 INFO L158 Benchmark]: RCFGBuilder took 473.67ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 55.6MB in the end (delta: 14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:02:58,834 INFO L158 Benchmark]: TraceAbstraction took 1826.84ms. Allocated memory is still 117.4MB. Free memory was 55.1MB in the beginning and 85.8MB in the end (delta: -30.7MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2024-11-13 14:02:58,835 INFO L158 Benchmark]: Witness Printer took 65.91ms. Allocated memory is still 117.4MB. Free memory was 85.8MB in the beginning and 81.9MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:02:58,838 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.15ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 573.51ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 73.6MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.90ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 71.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.04ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 70.5MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 473.67ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 55.6MB in the end (delta: 14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1826.84ms. Allocated memory is still 117.4MB. Free memory was 55.1MB in the beginning and 85.8MB in the end (delta: -30.7MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. * Witness Printer took 65.91ms. Allocated memory is still 117.4MB. Free memory was 85.8MB in the beginning and 81.9MB in the end (delta: 3.9MB). There was no memory consumed. 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [135] - GenericResultAtLocation [Line: 173]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [173] - GenericResultAtLocation [Line: 182]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [182] - GenericResultAtLocation [Line: 281]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [281] - GenericResultAtLocation [Line: 435]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [435] - GenericResultAtLocation [Line: 469]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [469] - GenericResultAtLocation [Line: 534]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [534] * 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: 178]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L183] int cleanupTimeShifts = 4; [L285] int pumpRunning = 0; [L286] int systemActive = 1; [L704] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L259] int retValue_acc ; [L260] int tmp ; [L264] FCALL select_helpers() [L265] FCALL select_features() [L266] CALL, EXPR valid_product() [L165] int retValue_acc ; [L168] retValue_acc = 1 [L169] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L266] RET, EXPR valid_product() [L266] tmp = valid_product() [L268] COND TRUE \read(tmp) [L270] FCALL setup() [L271] CALL runTest() [L253] CALL test() [L471] int splverifierCounter ; [L472] int tmp ; [L473] int tmp___0 ; [L474] int tmp___1 ; [L475] int tmp___2 ; [L478] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L480] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L482] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L488] tmp = __VERIFIER_nondet_int() [L490] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L492] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L74] COND TRUE waterLevel < 2 [L75] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L492] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L498] tmp___0 = __VERIFIER_nondet_int() [L500] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L508] tmp___2 = __VERIFIER_nondet_int() [L510] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L523] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L293] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L300] COND TRUE \read(systemActive) [L302] CALL processEnvironment() [L322] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L325] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L340] FCALL processEnvironment__wrappee__methaneQuery() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L302] RET processEnvironment() [L308] CALL __utac_acc__Specification3_spec__1() [L437] int tmp ; [L438] int tmp___0 ; [L439] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L443] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L443] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L443] tmp = isMethaneLevelCritical() [L445] COND FALSE !(\read(tmp)) [L449] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L449] RET, EXPR getWaterLevel() [L449] tmp___0 = getWaterLevel() [L451] COND TRUE tmp___0 == 2 [L453] CALL, EXPR isPumpRunning() [L391] int retValue_acc ; [L394] retValue_acc = pumpRunning [L395] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L453] RET, EXPR isPumpRunning() [L453] tmp___1 = isPumpRunning() [L455] COND FALSE !(\read(tmp___1)) [L459] CALL __automaton_fail() [L178] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 168 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 165 mSDsluCounter, 671 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 361 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 67 IncrementalHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 310 mSDtfsCounter, 67 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106occurred in iteration=4, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 214 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 14:02:58,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c81b0d-d9c3-4e82-abd9-833243c2f95f/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