./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 cb1c81112da7426f28a4c2690555e17bdc3cfadcaf288b3cb23a3bbf0c5e9fe6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 19:40:55,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 19:40:55,224 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-12 19:40:55,237 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 19:40:55,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 19:40:55,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 19:40:55,273 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 19:40:55,273 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 19:40:55,274 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 19:40:55,279 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 19:40:55,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 19:40:55,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 19:40:55,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 19:40:55,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 19:40:55,280 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 19:40:55,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 19:40:55,281 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 19:40:55,281 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 19:40:55,281 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 19:40:55,281 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 19:40:55,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 19:40:55,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 19:40:55,284 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 19:40:55,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 19:40:55,285 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 19:40:55,285 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 19:40:55,285 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 19:40:55,286 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 19:40:55,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 19:40:55,287 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 19:40:55,287 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 19:40:55,287 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 19:40:55,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 19:40:55,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 19:40:55,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 19:40:55,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 19:40:55,289 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 19:40:55,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-12 19:40:55,289 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 19:40:55,290 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 19:40:55,290 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 19:40:55,290 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 19:40:55,290 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb1c81112da7426f28a4c2690555e17bdc3cfadcaf288b3cb23a3bbf0c5e9fe6 [2024-10-12 19:40:55,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 19:40:55,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 19:40:55,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 19:40:55,554 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 19:40:55,555 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 19:40:55,556 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c [2024-10-12 19:40:57,091 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 19:40:57,315 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 19:40:57,316 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c [2024-10-12 19:40:57,327 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2b06f87c/92e30ab916ed4843908b97c855b92c2e/FLAG7f68a9ac6 [2024-10-12 19:40:57,341 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2b06f87c/92e30ab916ed4843908b97c855b92c2e [2024-10-12 19:40:57,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 19:40:57,345 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 19:40:57,346 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 19:40:57,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 19:40:57,351 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 19:40:57,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 07:40:57" (1/1) ... [2024-10-12 19:40:57,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79b91535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:40:57, skipping insertion in model container [2024-10-12 19:40:57,353 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 07:40:57" (1/1) ... [2024-10-12 19:40:57,403 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 19:40:57,669 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c[13817,13830] [2024-10-12 19:40:57,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 19:40:57,727 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 19:40:57,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-10-12 19:40:57,738 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [415] [2024-10-12 19:40:57,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [603] [2024-10-12 19:40:57,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [612] [2024-10-12 19:40:57,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [680] [2024-10-12 19:40:57,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [770] [2024-10-12 19:40:57,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [869] [2024-10-12 19:40:57,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [903] [2024-10-12 19:40:57,803 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c[13817,13830] [2024-10-12 19:40:57,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 19:40:57,850 INFO L204 MainTranslator]: Completed translation [2024-10-12 19:40:57,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:40:57 WrapperNode [2024-10-12 19:40:57,851 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 19:40:57,852 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 19:40:57,852 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 19:40:57,852 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 19:40:57,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:40:57" (1/1) ... [2024-10-12 19:40:57,872 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:40:57" (1/1) ... [2024-10-12 19:40:57,902 INFO L138 Inliner]: procedures = 53, calls = 98, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 190 [2024-10-12 19:40:57,902 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 19:40:57,903 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 19:40:57,903 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 19:40:57,903 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 19:40:57,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:40:57" (1/1) ... [2024-10-12 19:40:57,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:40:57" (1/1) ... [2024-10-12 19:40:57,922 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:40:57" (1/1) ... [2024-10-12 19:40:57,941 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]. [2024-10-12 19:40:57,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:40:57" (1/1) ... [2024-10-12 19:40:57,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:40:57" (1/1) ... [2024-10-12 19:40:57,946 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:40:57" (1/1) ... [2024-10-12 19:40:57,951 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:40:57" (1/1) ... [2024-10-12 19:40:57,953 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:40:57" (1/1) ... [2024-10-12 19:40:57,954 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:40:57" (1/1) ... [2024-10-12 19:40:57,956 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 19:40:57,959 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 19:40:57,959 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 19:40:57,960 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 19:40:57,961 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:40:57" (1/1) ... [2024-10-12 19:40:57,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 19:40:57,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:40:57,996 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-12 19:40:58,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-12 19:40:58,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 19:40:58,056 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-10-12 19:40:58,056 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-10-12 19:40:58,056 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-10-12 19:40:58,057 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-10-12 19:40:58,057 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-10-12 19:40:58,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-10-12 19:40:58,057 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-10-12 19:40:58,058 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-10-12 19:40:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-10-12 19:40:58,058 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-10-12 19:40:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2024-10-12 19:40:58,059 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2024-10-12 19:40:58,059 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-10-12 19:40:58,059 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-10-12 19:40:58,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 19:40:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-10-12 19:40:58,060 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-10-12 19:40:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 19:40:58,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 19:40:58,149 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 19:40:58,151 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 19:40:58,454 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-10-12 19:40:58,454 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 19:40:58,520 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 19:40:58,520 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-12 19:40:58,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 07:40:58 BoogieIcfgContainer [2024-10-12 19:40:58,521 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 19:40:58,523 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 19:40:58,523 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 19:40:58,527 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 19:40:58,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 07:40:57" (1/3) ... [2024-10-12 19:40:58,528 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f892ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 07:40:58, skipping insertion in model container [2024-10-12 19:40:58,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:40:57" (2/3) ... [2024-10-12 19:40:58,528 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f892ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 07:40:58, skipping insertion in model container [2024-10-12 19:40:58,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 07:40:58" (3/3) ... [2024-10-12 19:40:58,533 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product21.cil.c [2024-10-12 19:40:58,556 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 19:40:58,557 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 19:40:58,626 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 19:40:58,634 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;@1a3c350a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 19:40:58,634 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 19:40:58,639 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 46 states have (on average 1.5434782608695652) internal successors, (71), 54 states have internal predecessors, (71), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-12 19:40:58,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-12 19:40:58,654 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:40:58,655 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:40:58,656 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:40:58,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:40:58,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1170109174, now seen corresponding path program 1 times [2024-10-12 19:40:58,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:40:58,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474037735] [2024-10-12 19:40:58,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:40:58,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:40:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:40:58,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-12 19:40:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:40:58,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 19:40:58,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:40:58,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474037735] [2024-10-12 19:40:58,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474037735] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:40:58,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:40:58,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-12 19:40:58,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775571907] [2024-10-12 19:40:58,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:40:58,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-12 19:40:58,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:40:58,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-12 19:40:58,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-12 19:40:58,932 INFO L87 Difference]: Start difference. First operand has 70 states, 46 states have (on average 1.5434782608695652) internal successors, (71), 54 states have internal predecessors, (71), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2024-10-12 19:40:58,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:40:58,996 INFO L93 Difference]: Finished difference Result 138 states and 199 transitions. [2024-10-12 19:40:58,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-12 19:40:58,999 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 17 [2024-10-12 19:40:59,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:40:59,007 INFO L225 Difference]: With dead ends: 138 [2024-10-12 19:40:59,007 INFO L226 Difference]: Without dead ends: 65 [2024-10-12 19:40:59,010 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 [2024-10-12 19:40:59,013 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 19:40:59,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 19:40:59,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-10-12 19:40:59,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-10-12 19:40:59,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 43 states have (on average 1.4186046511627908) internal successors, (61), 50 states have internal predecessors, (61), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-12 19:40:59,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 88 transitions. [2024-10-12 19:40:59,057 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 88 transitions. Word has length 17 [2024-10-12 19:40:59,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:40:59,057 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 88 transitions. [2024-10-12 19:40:59,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2024-10-12 19:40:59,058 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2024-10-12 19:40:59,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-12 19:40:59,060 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:40:59,060 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:40:59,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-12 19:40:59,061 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:40:59,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:40:59,061 INFO L85 PathProgramCache]: Analyzing trace with hash 423029525, now seen corresponding path program 1 times [2024-10-12 19:40:59,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:40:59,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439267168] [2024-10-12 19:40:59,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:40:59,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:40:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:40:59,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-12 19:40:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:40:59,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 19:40:59,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:40:59,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439267168] [2024-10-12 19:40:59,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439267168] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:40:59,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:40:59,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 19:40:59,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049380003] [2024-10-12 19:40:59,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:40:59,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 19:40:59,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:40:59,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 19:40:59,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 19:40:59,199 INFO L87 Difference]: Start difference. First operand 65 states and 88 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-10-12 19:40:59,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:40:59,245 INFO L93 Difference]: Finished difference Result 103 states and 139 transitions. [2024-10-12 19:40:59,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 19:40:59,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 18 [2024-10-12 19:40:59,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:40:59,247 INFO L225 Difference]: With dead ends: 103 [2024-10-12 19:40:59,247 INFO L226 Difference]: Without dead ends: 57 [2024-10-12 19:40:59,248 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 [2024-10-12 19:40:59,249 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 11 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 19:40:59,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 118 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 19:40:59,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-10-12 19:40:59,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-10-12 19:40:59,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 45 states have internal predecessors, (55), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-12 19:40:59,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 77 transitions. [2024-10-12 19:40:59,267 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 77 transitions. Word has length 18 [2024-10-12 19:40:59,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:40:59,267 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 77 transitions. [2024-10-12 19:40:59,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-10-12 19:40:59,268 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2024-10-12 19:40:59,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-12 19:40:59,269 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:40:59,269 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] [2024-10-12 19:40:59,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-12 19:40:59,269 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:40:59,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:40:59,270 INFO L85 PathProgramCache]: Analyzing trace with hash 599440418, now seen corresponding path program 1 times [2024-10-12 19:40:59,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:40:59,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790413753] [2024-10-12 19:40:59,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:40:59,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:40:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:40:59,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-12 19:40:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:40:59,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 19:40:59,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:40:59,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790413753] [2024-10-12 19:40:59,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790413753] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:40:59,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:40:59,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 19:40:59,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900860948] [2024-10-12 19:40:59,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:40:59,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 19:40:59,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:40:59,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 19:40:59,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 19:40:59,405 INFO L87 Difference]: Start difference. First operand 57 states and 77 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-10-12 19:40:59,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:40:59,442 INFO L93 Difference]: Finished difference Result 112 states and 153 transitions. [2024-10-12 19:40:59,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 19:40:59,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 21 [2024-10-12 19:40:59,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:40:59,445 INFO L225 Difference]: With dead ends: 112 [2024-10-12 19:40:59,445 INFO L226 Difference]: Without dead ends: 57 [2024-10-12 19:40:59,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 19:40:59,447 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 65 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 19:40:59,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 64 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 19:40:59,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-10-12 19:40:59,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-10-12 19:40:59,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 45 states have internal predecessors, (54), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-12 19:40:59,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 76 transitions. [2024-10-12 19:40:59,468 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 76 transitions. Word has length 21 [2024-10-12 19:40:59,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:40:59,469 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 76 transitions. [2024-10-12 19:40:59,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-10-12 19:40:59,469 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2024-10-12 19:40:59,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-12 19:40:59,470 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:40:59,470 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] [2024-10-12 19:40:59,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-12 19:40:59,471 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:40:59,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:40:59,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1601912462, now seen corresponding path program 1 times [2024-10-12 19:40:59,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:40:59,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476244209] [2024-10-12 19:40:59,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:40:59,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:40:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:40:59,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-12 19:40:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:40:59,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:40:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:40:59,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-12 19:40:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:40:59,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 19:40:59,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:40:59,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476244209] [2024-10-12 19:40:59,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476244209] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:40:59,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:40:59,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-12 19:40:59,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768454607] [2024-10-12 19:40:59,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:40:59,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 19:40:59,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:40:59,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 19:40:59,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 19:40:59,632 INFO L87 Difference]: Start difference. First operand 57 states and 76 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-12 19:40:59,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:40:59,897 INFO L93 Difference]: Finished difference Result 184 states and 254 transitions. [2024-10-12 19:40:59,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-12 19:40:59,897 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2024-10-12 19:40:59,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:40:59,899 INFO L225 Difference]: With dead ends: 184 [2024-10-12 19:40:59,899 INFO L226 Difference]: Without dead ends: 129 [2024-10-12 19:40:59,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-12 19:40:59,901 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 107 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-12 19:40:59,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 166 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-12 19:40:59,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-10-12 19:40:59,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 106. [2024-10-12 19:40:59,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 70 states have (on average 1.4) internal successors, (98), 82 states have internal predecessors, (98), 22 states have call successors, (22), 14 states have call predecessors, (22), 13 states have return successors, (23), 13 states have call predecessors, (23), 22 states have call successors, (23) [2024-10-12 19:40:59,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 143 transitions. [2024-10-12 19:40:59,923 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 143 transitions. Word has length 31 [2024-10-12 19:40:59,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:40:59,924 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 143 transitions. [2024-10-12 19:40:59,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-12 19:40:59,924 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 143 transitions. [2024-10-12 19:40:59,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-12 19:40:59,926 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:40:59,926 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] [2024-10-12 19:40:59,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-12 19:40:59,927 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:40:59,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:40:59,927 INFO L85 PathProgramCache]: Analyzing trace with hash 810804840, now seen corresponding path program 1 times [2024-10-12 19:40:59,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:40:59,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239221445] [2024-10-12 19:40:59,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:40:59,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:40:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 19:40:59,942 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 19:40:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 19:40:59,975 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 19:40:59,975 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-12 19:40:59,977 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-12 19:40:59,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-12 19:40:59,981 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-12 19:41:00,017 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-12 19:41:00,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 07:41:00 BoogieIcfgContainer [2024-10-12 19:41:00,021 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-12 19:41:00,022 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 19:41:00,022 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 19:41:00,022 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 19:41:00,023 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 07:40:58" (3/4) ... [2024-10-12 19:41:00,023 INFO L133 WitnessPrinter]: Generating witness for reachability counterexample [2024-10-12 19:41:00,091 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-12 19:41:00,091 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 19:41:00,092 INFO L158 Benchmark]: Toolchain (without parser) took 2747.12ms. Allocated memory was 161.5MB in the beginning and 245.4MB in the end (delta: 83.9MB). Free memory was 104.6MB in the beginning and 132.6MB in the end (delta: -28.0MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-10-12 19:41:00,092 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 161.5MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 19:41:00,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.52ms. Allocated memory is still 161.5MB. Free memory was 104.6MB in the beginning and 82.8MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-12 19:41:00,093 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.30ms. Allocated memory is still 161.5MB. Free memory was 82.8MB in the beginning and 80.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 19:41:00,093 INFO L158 Benchmark]: Boogie Preprocessor took 53.05ms. Allocated memory is still 161.5MB. Free memory was 80.7MB in the beginning and 78.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-12 19:41:00,093 INFO L158 Benchmark]: RCFGBuilder took 561.61ms. Allocated memory is still 161.5MB. Free memory was 78.0MB in the beginning and 54.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-12 19:41:00,094 INFO L158 Benchmark]: TraceAbstraction took 1498.52ms. Allocated memory was 161.5MB in the beginning and 245.4MB in the end (delta: 83.9MB). Free memory was 54.3MB in the beginning and 136.8MB in the end (delta: -82.5MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2024-10-12 19:41:00,094 INFO L158 Benchmark]: Witness Printer took 69.36ms. Allocated memory is still 245.4MB. Free memory was 135.8MB in the beginning and 132.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-12 19:41:00,096 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 161.5MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 505.52ms. Allocated memory is still 161.5MB. Free memory was 104.6MB in the beginning and 82.8MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.30ms. Allocated memory is still 161.5MB. Free memory was 82.8MB in the beginning and 80.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.05ms. Allocated memory is still 161.5MB. Free memory was 80.7MB in the beginning and 78.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 561.61ms. Allocated memory is still 161.5MB. Free memory was 78.0MB in the beginning and 54.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1498.52ms. Allocated memory was 161.5MB in the beginning and 245.4MB in the end (delta: 83.9MB). Free memory was 54.3MB in the beginning and 136.8MB in the end (delta: -82.5MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * Witness Printer took 69.36ms. Allocated memory is still 245.4MB. Free memory was 135.8MB in the beginning and 132.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [415] - GenericResultAtLocation [Line: 603]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [603] - GenericResultAtLocation [Line: 612]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [612] - GenericResultAtLocation [Line: 680]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [680] - GenericResultAtLocation [Line: 770]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [770] - GenericResultAtLocation [Line: 869]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [869] - GenericResultAtLocation [Line: 903]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [903] * 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: 608]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L425] int pumpRunning = 0; [L426] int systemActive = 1; [L682] int waterLevel = 1; [L683] int methaneLevelCritical = 0; [L771] int cleanupTimeShifts = 4; [L847] int retValue_acc ; [L848] int tmp ; [L852] FCALL select_helpers() [L853] FCALL select_features() [L854] CALL, EXPR valid_product() [L930] int retValue_acc ; [L933] retValue_acc = 1 [L934] return (retValue_acc); [L854] RET, EXPR valid_product() [L854] tmp = valid_product() [L856] COND TRUE \read(tmp) [L858] FCALL setup() [L859] CALL runTest() [L838] CALL test() [L617] int splverifierCounter ; [L618] int tmp ; [L619] int tmp___0 ; [L620] int tmp___1 ; [L621] int tmp___2 ; [L624] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L626] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L628] COND TRUE splverifierCounter < 4 [L634] tmp = __VERIFIER_nondet_int() [L636] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L638] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L700] COND TRUE waterLevel < 2 [L701] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L638] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L644] tmp___0 = __VERIFIER_nondet_int() [L646] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L654] tmp___2 = __VERIFIER_nondet_int() [L656] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L669] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L433] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L440] COND TRUE \read(systemActive) [L442] CALL processEnvironment() [L488] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L491] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L506] CALL processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L462] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L465] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L480] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L506] RET processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L442] RET processEnvironment() [L448] CALL __utac_acc__Specification3_spec__1() [L871] int tmp ; [L872] int tmp___0 ; [L873] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L877] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L721] int retValue_acc ; [L724] retValue_acc = methaneLevelCritical [L725] return (retValue_acc); [L877] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L877] tmp = isMethaneLevelCritical() [L879] COND FALSE !(\read(tmp)) [L883] CALL, EXPR getWaterLevel() [L753] int retValue_acc ; [L756] retValue_acc = waterLevel [L757] return (retValue_acc); [L883] RET, EXPR getWaterLevel() [L883] tmp___0 = getWaterLevel() [L885] COND TRUE tmp___0 == 2 [L887] CALL, EXPR isPumpRunning() [L540] int retValue_acc ; [L543] retValue_acc = pumpRunning [L544] return (retValue_acc); [L887] RET, EXPR isPumpRunning() [L887] tmp___1 = isPumpRunning() [L889] COND FALSE !(\read(tmp___1)) [L893] CALL __automaton_fail() [L608] 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 9 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 191 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 183 mSDsluCounter, 428 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 168 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 175 IncrementalHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 260 mSDtfsCounter, 175 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s 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, 23 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 149 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! [2024-10-12 19:41:00,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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