./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/product-lines/minepump_spec3_product11.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 0f0ab174a42b7a796a7aa603adc547f34b3ce1c3e6aa217a93d91e742ec00f62 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 07:53:26,906 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 07:53:26,977 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 07:53:26,982 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 07:53:26,983 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 07:53:27,019 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 07:53:27,020 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 07:53:27,021 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 07:53:27,022 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 07:53:27,023 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 07:53:27,023 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 07:53:27,023 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 07:53:27,024 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 07:53:27,024 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 07:53:27,026 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 07:53:27,026 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 07:53:27,027 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 07:53:27,027 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 07:53:27,027 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 07:53:27,028 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 07:53:27,028 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 07:53:27,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 07:53:27,033 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 07:53:27,033 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 07:53:27,033 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 07:53:27,033 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 07:53:27,033 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 07:53:27,034 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 07:53:27,034 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 07:53:27,034 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 07:53:27,034 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 07:53:27,034 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 07:53:27,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:53:27,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 07:53:27,035 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 07:53:27,035 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 07:53:27,036 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 07:53:27,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 07:53:27,036 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 07:53:27,038 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 07:53:27,038 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 07:53:27,042 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 07:53:27,043 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f0ab174a42b7a796a7aa603adc547f34b3ce1c3e6aa217a93d91e742ec00f62 [2024-11-16 07:53:27,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 07:53:27,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 07:53:27,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 07:53:27,349 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 07:53:27,349 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 07:53:27,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c [2024-11-16 07:53:28,825 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 07:53:29,085 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 07:53:29,089 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c [2024-11-16 07:53:29,104 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59e5c3a80/d237e8d9cd46489d82ab8d87d704690d/FLAGddf3b9f35 [2024-11-16 07:53:29,390 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59e5c3a80/d237e8d9cd46489d82ab8d87d704690d [2024-11-16 07:53:29,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 07:53:29,393 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 07:53:29,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 07:53:29,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 07:53:29,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 07:53:29,399 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:53:29" (1/1) ... [2024-11-16 07:53:29,400 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a46ecd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:29, skipping insertion in model container [2024-11-16 07:53:29,401 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:53:29" (1/1) ... [2024-11-16 07:53:29,465 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 07:53:29,759 WARN L250 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_product11.cil.c[16202,16215] [2024-11-16 07:53:29,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:53:29,784 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 07:53:29,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [49] [2024-11-16 07:53:29,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [87] [2024-11-16 07:53:29,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [191] [2024-11-16 07:53:29,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [226] [2024-11-16 07:53:29,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [592] [2024-11-16 07:53:29,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [737] [2024-11-16 07:53:29,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [804] [2024-11-16 07:53:29,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [813] [2024-11-16 07:53:29,878 WARN L250 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_product11.cil.c[16202,16215] [2024-11-16 07:53:29,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:53:29,903 INFO L204 MainTranslator]: Completed translation [2024-11-16 07:53:29,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:29 WrapperNode [2024-11-16 07:53:29,904 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 07:53:29,905 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 07:53:29,905 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 07:53:29,906 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 07:53:29,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:29" (1/1) ... [2024-11-16 07:53:29,928 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:29" (1/1) ... [2024-11-16 07:53:29,957 INFO L138 Inliner]: procedures = 51, calls = 93, calls flagged for inlining = 21, calls inlined = 16, statements flattened = 145 [2024-11-16 07:53:29,957 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 07:53:29,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 07:53:29,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 07:53:29,958 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 07:53:29,968 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:29" (1/1) ... [2024-11-16 07:53:29,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:29" (1/1) ... [2024-11-16 07:53:29,970 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:29" (1/1) ... [2024-11-16 07:53:29,986 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]. [2024-11-16 07:53:29,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:29" (1/1) ... [2024-11-16 07:53:29,986 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:29" (1/1) ... [2024-11-16 07:53:29,994 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:29" (1/1) ... [2024-11-16 07:53:29,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:29" (1/1) ... [2024-11-16 07:53:30,000 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:29" (1/1) ... [2024-11-16 07:53:30,001 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:29" (1/1) ... [2024-11-16 07:53:30,004 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 07:53:30,006 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 07:53:30,006 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 07:53:30,007 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 07:53:30,008 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:29" (1/1) ... [2024-11-16 07:53:30,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:53:30,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:53:30,037 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) [2024-11-16 07:53:30,039 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 [2024-11-16 07:53:30,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 07:53:30,092 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-16 07:53:30,092 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-16 07:53:30,092 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-16 07:53:30,092 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-16 07:53:30,092 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-16 07:53:30,092 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-16 07:53:30,093 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-16 07:53:30,093 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-16 07:53:30,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 07:53:30,093 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-16 07:53:30,093 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-16 07:53:30,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 07:53:30,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 07:53:30,155 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 07:53:30,157 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 07:53:30,262 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L890-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; [2024-11-16 07:53:30,262 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L683-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; [2024-11-16 07:53:30,284 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L858: #res := ~retValue_acc~8; [2024-11-16 07:53:30,382 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L223-1: valid_product_#res#1 := valid_product_~retValue_acc~2#1; [2024-11-16 07:53:30,382 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L188-1: main_#res#1 := main_~retValue_acc~0#1; [2024-11-16 07:53:30,402 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-16 07:53:30,402 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 07:53:30,417 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 07:53:30,417 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 07:53:30,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:53:30 BoogieIcfgContainer [2024-11-16 07:53:30,417 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 07:53:30,421 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 07:53:30,421 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 07:53:30,425 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 07:53:30,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:53:29" (1/3) ... [2024-11-16 07:53:30,426 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2e4aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:53:30, skipping insertion in model container [2024-11-16 07:53:30,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:29" (2/3) ... [2024-11-16 07:53:30,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2e4aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:53:30, skipping insertion in model container [2024-11-16 07:53:30,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:53:30" (3/3) ... [2024-11-16 07:53:30,429 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product11.cil.c [2024-11-16 07:53:30,448 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 07:53:30,449 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 07:53:30,503 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 07:53:30,512 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;@32ba7ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 07:53:30,513 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 07:53:30,518 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 60 states have (on average 1.35) internal successors, (81), 64 states have internal predecessors, (81), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-16 07:53:30,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-16 07:53:30,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:53:30,529 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] [2024-11-16 07:53:30,530 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:53:30,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:53:30,536 INFO L85 PathProgramCache]: Analyzing trace with hash 950531300, now seen corresponding path program 1 times [2024-11-16 07:53:30,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:53:30,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160730523] [2024-11-16 07:53:30,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:53:30,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:53:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:53:30,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-16 07:53:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:53:30,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:53:30,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:53:30,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160730523] [2024-11-16 07:53:30,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160730523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:53:30,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:53:30,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 07:53:30,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107339018] [2024-11-16 07:53:30,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:53:30,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 07:53:30,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:53:30,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 07:53:30,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 07:53:30,792 INFO L87 Difference]: Start difference. First operand has 74 states, 60 states have (on average 1.35) internal successors, (81), 64 states have internal predecessors, (81), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 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) [2024-11-16 07:53:30,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:53:30,810 INFO L93 Difference]: Finished difference Result 139 states and 184 transitions. [2024-11-16 07:53:30,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 07:53:30,813 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 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 27 [2024-11-16 07:53:30,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:53:30,818 INFO L225 Difference]: With dead ends: 139 [2024-11-16 07:53:30,818 INFO L226 Difference]: Without dead ends: 63 [2024-11-16 07:53:30,821 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 [2024-11-16 07:53:30,824 INFO L432 NwaCegarLoop]: 88 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, 88 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 [2024-11-16 07:53:30,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:53:30,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-16 07:53:30,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-16 07:53:30,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 51 states have (on average 1.2745098039215685) internal successors, (65), 54 states have internal predecessors, (65), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-16 07:53:30,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 78 transitions. [2024-11-16 07:53:30,889 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 78 transitions. Word has length 27 [2024-11-16 07:53:30,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:53:30,889 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 78 transitions. [2024-11-16 07:53:30,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 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) [2024-11-16 07:53:30,890 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2024-11-16 07:53:30,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-16 07:53:30,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:53:30,910 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:53:30,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 07:53:30,911 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:53:30,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:53:30,912 INFO L85 PathProgramCache]: Analyzing trace with hash -962293476, now seen corresponding path program 1 times [2024-11-16 07:53:30,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:53:30,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980724476] [2024-11-16 07:53:30,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:53:30,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:53:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:53:31,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:53:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:53:31,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:53:31,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:53:31,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980724476] [2024-11-16 07:53:31,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980724476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:53:31,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:53:31,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 07:53:31,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990726732] [2024-11-16 07:53:31,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:53:31,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 07:53:31,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:53:31,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 07:53:31,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 07:53:31,080 INFO L87 Difference]: Start difference. First operand 63 states and 78 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-11-16 07:53:31,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:53:31,099 INFO L93 Difference]: Finished difference Result 85 states and 104 transitions. [2024-11-16 07:53:31,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 07:53:31,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 30 [2024-11-16 07:53:31,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:53:31,101 INFO L225 Difference]: With dead ends: 85 [2024-11-16 07:53:31,102 INFO L226 Difference]: Without dead ends: 52 [2024-11-16 07:53:31,102 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 [2024-11-16 07:53:31,104 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 16 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 104 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 [2024-11-16 07:53:31,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 104 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:53:31,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-16 07:53:31,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-16 07:53:31,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 43 states have (on average 1.302325581395349) internal successors, (56), 46 states have internal predecessors, (56), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-16 07:53:31,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 64 transitions. [2024-11-16 07:53:31,118 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 64 transitions. Word has length 30 [2024-11-16 07:53:31,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:53:31,119 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 64 transitions. [2024-11-16 07:53:31,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-11-16 07:53:31,119 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2024-11-16 07:53:31,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-16 07:53:31,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:53:31,120 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] [2024-11-16 07:53:31,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 07:53:31,122 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:53:31,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:53:31,123 INFO L85 PathProgramCache]: Analyzing trace with hash 403192591, now seen corresponding path program 1 times [2024-11-16 07:53:31,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:53:31,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614374962] [2024-11-16 07:53:31,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:53:31,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:53:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:53:31,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-16 07:53:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:53:31,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:53:31,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:53:31,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614374962] [2024-11-16 07:53:31,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614374962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:53:31,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:53:31,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 07:53:31,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823667827] [2024-11-16 07:53:31,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:53:31,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 07:53:31,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:53:31,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 07:53:31,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 07:53:31,246 INFO L87 Difference]: Start difference. First operand 52 states and 64 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2024-11-16 07:53:31,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:53:31,268 INFO L93 Difference]: Finished difference Result 141 states and 178 transitions. [2024-11-16 07:53:31,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 07:53:31,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 32 [2024-11-16 07:53:31,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:53:31,270 INFO L225 Difference]: With dead ends: 141 [2024-11-16 07:53:31,271 INFO L226 Difference]: Without dead ends: 96 [2024-11-16 07:53:31,272 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 [2024-11-16 07:53:31,273 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 43 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:53:31,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 117 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:53:31,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-16 07:53:31,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 90. [2024-11-16 07:53:31,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 73 states have (on average 1.3287671232876712) internal successors, (97), 78 states have internal predecessors, (97), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-16 07:53:31,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 113 transitions. [2024-11-16 07:53:31,295 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 113 transitions. Word has length 32 [2024-11-16 07:53:31,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:53:31,296 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 113 transitions. [2024-11-16 07:53:31,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2024-11-16 07:53:31,296 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 113 transitions. [2024-11-16 07:53:31,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-16 07:53:31,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:53:31,299 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] [2024-11-16 07:53:31,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 07:53:31,299 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:53:31,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:53:31,300 INFO L85 PathProgramCache]: Analyzing trace with hash 2147101404, now seen corresponding path program 1 times [2024-11-16 07:53:31,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:53:31,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525571819] [2024-11-16 07:53:31,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:53:31,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:53:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:53:31,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-16 07:53:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:53:31,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:53:31,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:53:31,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525571819] [2024-11-16 07:53:31,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525571819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:53:31,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:53:31,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 07:53:31,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241835492] [2024-11-16 07:53:31,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:53:31,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 07:53:31,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:53:31,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 07:53:31,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 07:53:31,464 INFO L87 Difference]: Start difference. First operand 90 states and 113 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (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) [2024-11-16 07:53:31,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:53:31,554 INFO L93 Difference]: Finished difference Result 243 states and 319 transitions. [2024-11-16 07:53:31,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 07:53:31,555 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (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 33 [2024-11-16 07:53:31,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:53:31,562 INFO L225 Difference]: With dead ends: 243 [2024-11-16 07:53:31,564 INFO L226 Difference]: Without dead ends: 160 [2024-11-16 07:53:31,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:53:31,566 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 28 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:53:31,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 226 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:53:31,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-16 07:53:31,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2024-11-16 07:53:31,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.310077519379845) internal successors, (169), 136 states have internal predecessors, (169), 16 states have call successors, (16), 16 states have call predecessors, (16), 14 states have return successors, (18), 14 states have call predecessors, (18), 16 states have call successors, (18) [2024-11-16 07:53:31,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 203 transitions. [2024-11-16 07:53:31,605 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 203 transitions. Word has length 33 [2024-11-16 07:53:31,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:53:31,608 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 203 transitions. [2024-11-16 07:53:31,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (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) [2024-11-16 07:53:31,609 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 203 transitions. [2024-11-16 07:53:31,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-16 07:53:31,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:53:31,610 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] [2024-11-16 07:53:31,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 07:53:31,611 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:53:31,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:53:31,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1898328962, now seen corresponding path program 1 times [2024-11-16 07:53:31,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:53:31,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327674530] [2024-11-16 07:53:31,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:53:31,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:53:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 07:53:31,633 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 07:53:31,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 07:53:31,682 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 07:53:31,682 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 07:53:31,683 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 07:53:31,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 07:53:31,688 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-16 07:53:31,726 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 07:53:31,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 07:53:31 BoogieIcfgContainer [2024-11-16 07:53:31,729 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 07:53:31,730 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 07:53:31,730 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 07:53:31,730 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 07:53:31,731 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:53:30" (3/4) ... [2024-11-16 07:53:31,732 INFO L137 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-16 07:53:31,786 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 07:53:31,786 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 07:53:31,786 INFO L158 Benchmark]: Toolchain (without parser) took 2393.19ms. Allocated memory was 134.2MB in the beginning and 190.8MB in the end (delta: 56.6MB). Free memory was 63.9MB in the beginning and 95.0MB in the end (delta: -31.2MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2024-11-16 07:53:31,787 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory was 103.0MB in the beginning and 102.9MB in the end (delta: 150.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 07:53:31,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 510.27ms. Allocated memory was 134.2MB in the beginning and 190.8MB in the end (delta: 56.6MB). Free memory was 63.6MB in the beginning and 142.4MB in the end (delta: -78.8MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-11-16 07:53:31,787 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.22ms. Allocated memory is still 190.8MB. Free memory was 142.4MB in the beginning and 141.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 07:53:31,787 INFO L158 Benchmark]: Boogie Preprocessor took 46.39ms. Allocated memory is still 190.8MB. Free memory was 140.3MB in the beginning and 139.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 07:53:31,788 INFO L158 Benchmark]: IcfgBuilder took 411.86ms. Allocated memory is still 190.8MB. Free memory was 139.1MB in the beginning and 122.5MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-16 07:53:31,788 INFO L158 Benchmark]: TraceAbstraction took 1308.79ms. Allocated memory is still 190.8MB. Free memory was 121.5MB in the beginning and 98.2MB in the end (delta: 23.3MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-11-16 07:53:31,788 INFO L158 Benchmark]: Witness Printer took 55.75ms. Allocated memory is still 190.8MB. Free memory was 98.2MB in the beginning and 95.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 07:53:31,789 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory was 103.0MB in the beginning and 102.9MB in the end (delta: 150.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 510.27ms. Allocated memory was 134.2MB in the beginning and 190.8MB in the end (delta: 56.6MB). Free memory was 63.6MB in the beginning and 142.4MB in the end (delta: -78.8MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.22ms. Allocated memory is still 190.8MB. Free memory was 142.4MB in the beginning and 141.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.39ms. Allocated memory is still 190.8MB. Free memory was 140.3MB in the beginning and 139.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 411.86ms. Allocated memory is still 190.8MB. Free memory was 139.1MB in the beginning and 122.5MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1308.79ms. Allocated memory is still 190.8MB. Free memory was 121.5MB in the beginning and 98.2MB in the end (delta: 23.3MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * Witness Printer took 55.75ms. Allocated memory is still 190.8MB. Free memory was 98.2MB in the beginning and 95.0MB 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,"Specification3_spec.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [87] - GenericResultAtLocation [Line: 191]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [191] - GenericResultAtLocation [Line: 226]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [226] - GenericResultAtLocation [Line: 592]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [592] - GenericResultAtLocation [Line: 737]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [737] - GenericResultAtLocation [Line: 804]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [804] - GenericResultAtLocation [Line: 813]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [813] * 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: 809]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L88] int cleanupTimeShifts = 4; [L396] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L598] int pumpRunning = 0; [L599] int systemActive = 1; [L814] int waterLevel = 1; [L815] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L169] int retValue_acc ; [L170] int tmp ; [L174] FCALL select_helpers() [L175] FCALL select_features() [L176] CALL, EXPR valid_product() [L218] int retValue_acc ; [L221] retValue_acc = 1 [L222] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L176] RET, EXPR valid_product() [L176] tmp = valid_product() [L178] COND TRUE \read(tmp) [L180] FCALL setup() [L181] CALL runTest() [L160] CALL test() [L739] int splverifierCounter ; [L740] int tmp ; [L741] int tmp___0 ; [L742] int tmp___1 ; [L743] int tmp___2 ; [L746] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L748] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L750] COND TRUE splverifierCounter < 4 [L756] tmp = __VERIFIER_nondet_int() [L758] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L760] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L832] COND TRUE waterLevel < 2 [L833] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L760] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L766] tmp___0 = __VERIFIER_nondet_int() [L768] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L776] tmp___2 = __VERIFIER_nondet_int() [L778] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L793] CALL timeShift() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L605] COND FALSE !(\read(pumpRunning)) VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L612] COND TRUE \read(systemActive) [L614] FCALL processEnvironment() [L620] CALL __utac_acc__Specification3_spec__1() [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L61] CALL, EXPR isMethaneLevelCritical() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L853] int retValue_acc ; [L856] retValue_acc = methaneLevelCritical [L857] return (retValue_acc); VAL [\old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L61] RET, EXPR isMethaneLevelCritical() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L61] tmp = isMethaneLevelCritical() [L63] COND FALSE !(\read(tmp)) [L67] CALL, EXPR getWaterLevel() [L885] int retValue_acc ; [L888] retValue_acc = waterLevel [L889] return (retValue_acc); VAL [\old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L67] RET, EXPR getWaterLevel() [L67] tmp___0 = getWaterLevel() [L69] COND TRUE tmp___0 == 2 [L71] CALL, EXPR isPumpRunning() [L678] int retValue_acc ; [L681] retValue_acc = pumpRunning [L682] return (retValue_acc); VAL [\old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L71] RET, EXPR isPumpRunning() [L71] tmp___1 = isPumpRunning() [L73] COND FALSE !(\read(tmp___1)) [L77] CALL __automaton_fail() [L809] reach_error() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 90 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 87 mSDsluCounter, 535 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 262 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 273 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=160occurred in iteration=4, InterpolantAutomatonStates: 13, 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, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 212 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! [2024-11-16 07:53:31,816 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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