./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product26.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_b6520134-73b6-403a-9bb9-06af3c8b7390/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6520134-73b6-403a-9bb9-06af3c8b7390/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_b6520134-73b6-403a-9bb9-06af3c8b7390/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6520134-73b6-403a-9bb9-06af3c8b7390/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6520134-73b6-403a-9bb9-06af3c8b7390/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_b6520134-73b6-403a-9bb9-06af3c8b7390/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 59d087b21d164936324b83c1e291a64a9503c1749575f000c4a0a3b8eb208c6d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:01:59,096 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:01:59,168 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6520134-73b6-403a-9bb9-06af3c8b7390/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 14:01:59,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:01:59,173 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:01:59,195 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:01:59,196 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:01:59,196 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:01:59,196 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:01:59,196 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:01:59,197 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:01:59,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:01:59,197 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:01:59,197 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:01:59,197 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:01:59,198 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:01:59,198 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:01:59,198 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:01:59,198 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:01:59,198 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:01:59,198 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:01:59,199 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:01:59,199 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:01:59,199 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:01:59,199 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:01:59,199 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:01:59,199 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:01:59,199 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:01:59,200 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:01:59,200 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:01:59,200 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:01:59,200 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:01:59,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:01:59,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:01:59,201 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:01:59,201 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:01:59,201 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:01:59,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:01:59,201 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:01:59,201 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:01:59,201 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:01:59,201 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:01:59,201 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_b6520134-73b6-403a-9bb9-06af3c8b7390/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 -> 59d087b21d164936324b83c1e291a64a9503c1749575f000c4a0a3b8eb208c6d [2024-11-13 14:01:59,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:01:59,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:01:59,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:01:59,508 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:01:59,508 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:01:59,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6520134-73b6-403a-9bb9-06af3c8b7390/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c Unable to find full path for "g++" [2024-11-13 14:02:01,454 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:02:01,735 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:02:01,736 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6520134-73b6-403a-9bb9-06af3c8b7390/sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c [2024-11-13 14:02:01,748 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6520134-73b6-403a-9bb9-06af3c8b7390/bin/uautomizer-verify-qhAvR1uOyd/data/19fe22bcf/7493694b193d407ca4449d5362710126/FLAGb919f83ee [2024-11-13 14:02:01,763 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6520134-73b6-403a-9bb9-06af3c8b7390/bin/uautomizer-verify-qhAvR1uOyd/data/19fe22bcf/7493694b193d407ca4449d5362710126 [2024-11-13 14:02:01,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:02:01,766 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:02:01,768 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:02:01,768 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:02:01,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:02:01,773 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:02:01" (1/1) ... [2024-11-13 14:02:01,776 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f1cbf80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:01, skipping insertion in model container [2024-11-13 14:02:01,776 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:02:01" (1/1) ... [2024-11-13 14:02:01,823 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:02:02,149 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_b6520134-73b6-403a-9bb9-06af3c8b7390/sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c[14361,14374] [2024-11-13 14:02:02,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:02:02,192 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:02:02,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-13 14:02:02,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [153] [2024-11-13 14:02:02,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [188] [2024-11-13 14:02:02,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [282] [2024-11-13 14:02:02,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [648] [2024-11-13 14:02:02,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [657] [2024-11-13 14:02:02,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [840] [2024-11-13 14:02:02,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [907] [2024-11-13 14:02:02,280 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_b6520134-73b6-403a-9bb9-06af3c8b7390/sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c[14361,14374] [2024-11-13 14:02:02,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:02:02,318 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:02:02,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:02 WrapperNode [2024-11-13 14:02:02,319 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:02:02,320 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:02:02,320 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:02:02,320 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:02:02,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:02" (1/1) ... [2024-11-13 14:02:02,343 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:02" (1/1) ... [2024-11-13 14:02:02,365 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 23, calls inlined = 18, statements flattened = 174 [2024-11-13 14:02:02,365 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:02:02,366 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:02:02,366 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:02:02,366 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:02:02,376 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:02" (1/1) ... [2024-11-13 14:02:02,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:02" (1/1) ... [2024-11-13 14:02:02,378 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:02" (1/1) ... [2024-11-13 14:02:02,392 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 14:02:02,392 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:02" (1/1) ... [2024-11-13 14:02:02,392 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:02" (1/1) ... [2024-11-13 14:02:02,403 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:02" (1/1) ... [2024-11-13 14:02:02,411 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:02" (1/1) ... [2024-11-13 14:02:02,417 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:02" (1/1) ... [2024-11-13 14:02:02,418 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:02" (1/1) ... [2024-11-13 14:02:02,420 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:02:02,423 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:02:02,423 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:02:02,423 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:02:02,426 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:02" (1/1) ... [2024-11-13 14:02:02,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:02:02,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6520134-73b6-403a-9bb9-06af3c8b7390/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:02,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6520134-73b6-403a-9bb9-06af3c8b7390/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:02,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6520134-73b6-403a-9bb9-06af3c8b7390/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:02:02,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:02:02,513 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-13 14:02:02,513 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-13 14:02:02,513 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-13 14:02:02,513 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-13 14:02:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-13 14:02:02,514 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-13 14:02:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-13 14:02:02,514 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-13 14:02:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-13 14:02:02,514 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-13 14:02:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:02:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-13 14:02:02,515 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-13 14:02:02,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:02:02,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:02:02,618 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:02:02,620 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:02:02,897 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2024-11-13 14:02:02,897 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:02:02,915 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:02:02,915 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 14:02:02,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:02:02 BoogieIcfgContainer [2024-11-13 14:02:02,915 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:02:02,918 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:02:02,918 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:02:02,923 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:02:02,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:02:01" (1/3) ... [2024-11-13 14:02:02,924 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b2208d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:02:02, skipping insertion in model container [2024-11-13 14:02:02,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:02:02" (2/3) ... [2024-11-13 14:02:02,924 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b2208d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:02:02, skipping insertion in model container [2024-11-13 14:02:02,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:02:02" (3/3) ... [2024-11-13 14:02:02,926 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product26.cil.c [2024-11-13 14:02:02,943 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:02:02,949 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec3_product26.cil.c that has 7 procedures, 76 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-13 14:02:03,026 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:02:03,043 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;@669c9da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:02:03,045 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:02:03,051 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 59 states have (on average 1.3898305084745763) internal successors, (82), 65 states have internal predecessors, (82), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-13 14:02:03,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 14:02:03,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:02:03,061 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 14:02:03,061 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:02:03,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:03,069 INFO L85 PathProgramCache]: Analyzing trace with hash -931569382, now seen corresponding path program 1 times [2024-11-13 14:02:03,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:03,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571471824] [2024-11-13 14:02:03,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:03,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:03,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 14:02:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:03,344 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 14:02:03,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:03,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571471824] [2024-11-13 14:02:03,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571471824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:02:03,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:02:03,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:02:03,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548223458] [2024-11-13 14:02:03,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:02:03,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:02:03,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:03,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:02:03,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:02:03,400 INFO L87 Difference]: Start difference. First operand has 76 states, 59 states have (on average 1.3898305084745763) internal successors, (82), 65 states have internal predecessors, (82), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) 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 14:02:03,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:02:03,445 INFO L93 Difference]: Finished difference Result 144 states and 195 transitions. [2024-11-13 14:02:03,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:02:03,448 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 14:02:03,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:02:03,459 INFO L225 Difference]: With dead ends: 144 [2024-11-13 14:02:03,459 INFO L226 Difference]: Without dead ends: 67 [2024-11-13 14:02:03,465 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 14:02:03,469 INFO L432 NwaCegarLoop]: 94 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, 94 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 14:02:03,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:02:03,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-13 14:02:03,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-13 14:02:03,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 57 states have internal predecessors, (68), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 14:02:03,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 85 transitions. [2024-11-13 14:02:03,528 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 85 transitions. Word has length 25 [2024-11-13 14:02:03,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:02:03,528 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 85 transitions. [2024-11-13 14:02:03,529 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 14:02:03,529 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2024-11-13 14:02:03,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 14:02:03,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:02:03,532 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 14:02:03,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:02:03,533 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:02:03,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:03,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1086407821, now seen corresponding path program 1 times [2024-11-13 14:02:03,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:03,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590766329] [2024-11-13 14:02:03,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:03,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:03,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-13 14:02:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:03,686 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 14:02:03,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:03,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590766329] [2024-11-13 14:02:03,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590766329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:02:03,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:02:03,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:02:03,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539446352] [2024-11-13 14:02:03,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:02:03,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:02:03,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:03,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:02:03,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:02:03,693 INFO L87 Difference]: Start difference. First operand 67 states and 85 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 14:02:03,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:02:03,716 INFO L93 Difference]: Finished difference Result 99 states and 125 transitions. [2024-11-13 14:02:03,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:02:03,717 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 14:02:03,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:02:03,720 INFO L225 Difference]: With dead ends: 99 [2024-11-13 14:02:03,720 INFO L226 Difference]: Without dead ends: 58 [2024-11-13 14:02:03,721 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 14:02:03,723 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 13 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 127 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 14:02:03,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 127 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:02:03,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-13 14:02:03,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-13 14:02:03,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 46 states have (on average 1.326086956521739) internal successors, (61), 51 states have internal predecessors, (61), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 14:02:03,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 73 transitions. [2024-11-13 14:02:03,739 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 73 transitions. Word has length 26 [2024-11-13 14:02:03,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:02:03,740 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 73 transitions. [2024-11-13 14:02:03,740 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 14:02:03,740 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2024-11-13 14:02:03,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 14:02:03,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:02:03,742 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:03,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:02:03,742 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:02:03,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:03,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1283648901, now seen corresponding path program 1 times [2024-11-13 14:02:03,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:03,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774510580] [2024-11-13 14:02:03,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:03,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:03,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 14:02:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:03,918 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 14:02:03,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:03,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774510580] [2024-11-13 14:02:03,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774510580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:02:03,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:02:03,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:02:03,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092289124] [2024-11-13 14:02:03,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:02:03,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:02:03,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:03,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:02:03,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:02:03,922 INFO L87 Difference]: Start difference. First operand 58 states and 73 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 14:02:03,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:02:03,978 INFO L93 Difference]: Finished difference Result 109 states and 140 transitions. [2024-11-13 14:02:03,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:02:03,979 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-11-13 14:02:03,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:02:03,980 INFO L225 Difference]: With dead ends: 109 [2024-11-13 14:02:03,980 INFO L226 Difference]: Without dead ends: 58 [2024-11-13 14:02:03,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 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 14:02:03,981 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 67 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:02:03,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 205 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:02:03,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-13 14:02:03,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-13 14:02:03,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 51 states have internal predecessors, (60), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 14:02:03,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2024-11-13 14:02:03,996 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 31 [2024-11-13 14:02:03,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:02:03,996 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2024-11-13 14:02:03,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 14:02:03,998 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2024-11-13 14:02:03,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 14:02:03,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:02:03,999 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] [2024-11-13 14:02:04,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:02:04,000 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:02:04,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:04,000 INFO L85 PathProgramCache]: Analyzing trace with hash 725203619, now seen corresponding path program 1 times [2024-11-13 14:02:04,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:04,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773968360] [2024-11-13 14:02:04,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:04,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:04,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 14:02:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:04,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:02:04,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:04,192 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 14:02:04,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:04,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773968360] [2024-11-13 14:02:04,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773968360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:02:04,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:02:04,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:02:04,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058660222] [2024-11-13 14:02:04,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:02:04,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:02:04,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:04,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:02:04,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:02:04,193 INFO L87 Difference]: Start difference. First operand 58 states and 72 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, (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 14:02:04,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:02:04,278 INFO L93 Difference]: Finished difference Result 153 states and 199 transitions. [2024-11-13 14:02:04,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:02:04,279 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, (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 36 [2024-11-13 14:02:04,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:02:04,280 INFO L225 Difference]: With dead ends: 153 [2024-11-13 14:02:04,280 INFO L226 Difference]: Without dead ends: 102 [2024-11-13 14:02:04,281 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 14:02:04,282 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 35 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:02:04,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 254 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:02:04,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-13 14:02:04,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-13 14:02:04,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 80 states have (on average 1.3) internal successors, (104), 88 states have internal predecessors, (104), 12 states have call successors, (12), 10 states have call predecessors, (12), 9 states have return successors, (13), 9 states have call predecessors, (13), 12 states have call successors, (13) [2024-11-13 14:02:04,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 129 transitions. [2024-11-13 14:02:04,301 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 129 transitions. Word has length 36 [2024-11-13 14:02:04,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:02:04,301 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 129 transitions. [2024-11-13 14:02:04,301 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, (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 14:02:04,302 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 129 transitions. [2024-11-13 14:02:04,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 14:02:04,303 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:02:04,303 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, 1] [2024-11-13 14:02:04,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:02:04,303 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:02:04,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:04,304 INFO L85 PathProgramCache]: Analyzing trace with hash -2047280759, now seen corresponding path program 1 times [2024-11-13 14:02:04,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:04,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810977275] [2024-11-13 14:02:04,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:04,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:04,326 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:02:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:04,364 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:02:04,364 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:02:04,365 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 14:02:04,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 14:02:04,370 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-13 14:02:04,419 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:02:04,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:02:04 BoogieIcfgContainer [2024-11-13 14:02:04,428 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:02:04,429 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:02:04,430 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:02:04,431 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:02:04,431 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:02:02" (3/4) ... [2024-11-13 14:02:04,473 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 14:02:04,527 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6520134-73b6-403a-9bb9-06af3c8b7390/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:02:04,527 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:02:04,528 INFO L158 Benchmark]: Toolchain (without parser) took 2761.66ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 87.5MB in the end (delta: 4.5MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2024-11-13 14:02:04,528 INFO L158 Benchmark]: CDTParser took 0.93ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:02:04,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 552.06ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 73.5MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:02:04,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.12ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 71.6MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:02:04,529 INFO L158 Benchmark]: Boogie Preprocessor took 56.52ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 69.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:02:04,531 INFO L158 Benchmark]: RCFGBuilder took 492.29ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 54.8MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:02:04,531 INFO L158 Benchmark]: TraceAbstraction took 1511.10ms. Allocated memory is still 117.4MB. Free memory was 54.3MB in the beginning and 33.3MB in the end (delta: 21.1MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2024-11-13 14:02:04,532 INFO L158 Benchmark]: Witness Printer took 97.68ms. Allocated memory is still 117.4MB. Free memory was 33.3MB in the beginning and 87.5MB in the end (delta: -54.3MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-13 14:02:04,534 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 552.06ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 73.5MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.12ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 71.6MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.52ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 69.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 492.29ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 54.8MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1511.10ms. Allocated memory is still 117.4MB. Free memory was 54.3MB in the beginning and 33.3MB in the end (delta: 21.1MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Witness Printer took 97.68ms. Allocated memory is still 117.4MB. Free memory was 33.3MB in the beginning and 87.5MB in the end (delta: -54.3MB). Peak memory consumption was 13.8MB. 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,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [153] - GenericResultAtLocation [Line: 188]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [188] - GenericResultAtLocation [Line: 282]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [282] - GenericResultAtLocation [Line: 648]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [648] - GenericResultAtLocation [Line: 657]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [657] - GenericResultAtLocation [Line: 840]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [840] - GenericResultAtLocation [Line: 907]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [907] * 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: 653]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L50] int cleanupTimeShifts = 4; [L194] int waterLevel = 1; [L195] int methaneLevelCritical = 0; [L452] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L662] int pumpRunning = 0; [L663] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L180] int retValue_acc ; [L183] retValue_acc = 1 [L184] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L842] int splverifierCounter ; [L843] int tmp ; [L844] int tmp___0 ; [L845] int tmp___1 ; [L846] int tmp___2 ; [L849] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L851] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L853] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L859] tmp = __VERIFIER_nondet_int() [L861] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L863] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L212] COND TRUE waterLevel < 2 [L213] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L863] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L869] tmp___0 = __VERIFIER_nondet_int() [L871] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L879] tmp___2 = __VERIFIER_nondet_int() [L881] COND TRUE \read(tmp___2) [L883] CALL startSystem() [L836] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L883] RET startSystem() [L896] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L670] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L677] COND TRUE \read(systemActive) [L679] CALL processEnvironment() [L699] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L702] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L717] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L679] RET processEnvironment() [L685] CALL __utac_acc__Specification3_spec__1() [L909] int tmp ; [L910] int tmp___0 ; [L911] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L915] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L233] int retValue_acc ; [L236] retValue_acc = methaneLevelCritical [L237] 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] [L915] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L915] tmp = isMethaneLevelCritical() [L917] COND FALSE !(\read(tmp)) [L921] CALL, EXPR getWaterLevel() [L265] int retValue_acc ; [L268] retValue_acc = waterLevel [L269] 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] [L921] RET, EXPR getWaterLevel() [L921] tmp___0 = getWaterLevel() [L923] COND TRUE tmp___0 == 2 [L925] CALL, EXPR isPumpRunning() [L769] int retValue_acc ; [L772] retValue_acc = pumpRunning [L773] 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] [L925] RET, EXPR isPumpRunning() [L925] tmp___1 = isPumpRunning() [L927] COND FALSE !(\read(tmp___1)) [L931] CALL __automaton_fail() [L653] 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 7 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 118 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 115 mSDsluCounter, 680 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 379 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 301 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred 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, 0.5s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 188 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 14:02:04,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6520134-73b6-403a-9bb9-06af3c8b7390/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