./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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_product64.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 d436abf98cab5db4fbcf1977ce5628e2227cd7aa643df1d726e32cf2e71cb81f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 23:17:26,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 23:17:26,817 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 23:17:26,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 23:17:26,823 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 23:17:26,844 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 23:17:26,845 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 23:17:26,846 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 23:17:26,846 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 23:17:26,847 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 23:17:26,847 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 23:17:26,848 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 23:17:26,848 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 23:17:26,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 23:17:26,850 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 23:17:26,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 23:17:26,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 23:17:26,851 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 23:17:26,851 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 23:17:26,851 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 23:17:26,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 23:17:26,854 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 23:17:26,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 23:17:26,855 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 23:17:26,855 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 23:17:26,855 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 23:17:26,855 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 23:17:26,855 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 23:17:26,856 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 23:17:26,856 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 23:17:26,856 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 23:17:26,856 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 23:17:26,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:17:26,857 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 23:17:26,857 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 23:17:26,857 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 23:17:26,857 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 23:17:26,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 23:17:26,857 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 23:17:26,857 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 23:17:26,858 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 23:17:26,859 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 23:17:26,859 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d436abf98cab5db4fbcf1977ce5628e2227cd7aa643df1d726e32cf2e71cb81f [2024-11-09 23:17:27,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 23:17:27,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 23:17:27,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 23:17:27,078 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 23:17:27,078 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 23:17:27,079 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c [2024-11-09 23:17:28,483 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 23:17:28,659 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 23:17:28,659 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c [2024-11-09 23:17:28,669 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dce634179/aa3ebf282f7f46f69da4f64677cfb2f0/FLAG646880b49 [2024-11-09 23:17:29,056 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dce634179/aa3ebf282f7f46f69da4f64677cfb2f0 [2024-11-09 23:17:29,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 23:17:29,063 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 23:17:29,065 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 23:17:29,065 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 23:17:29,069 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 23:17:29,069 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:17:29" (1/1) ... [2024-11-09 23:17:29,070 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1154be1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:29, skipping insertion in model container [2024-11-09 23:17:29,070 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:17:29" (1/1) ... [2024-11-09 23:17:29,099 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 23:17:29,365 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_product64.cil.c[19022,19035] [2024-11-09 23:17:29,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:17:29,386 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 23:17:29,393 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-09 23:17:29,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [87] [2024-11-09 23:17:29,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [363] [2024-11-09 23:17:29,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [435] [2024-11-09 23:17:29,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [539] [2024-11-09 23:17:29,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [905] [2024-11-09 23:17:29,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1001] [2024-11-09 23:17:29,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [1010] [2024-11-09 23:17:29,432 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_product64.cil.c[19022,19035] [2024-11-09 23:17:29,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:17:29,472 INFO L204 MainTranslator]: Completed translation [2024-11-09 23:17:29,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:29 WrapperNode [2024-11-09 23:17:29,473 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 23:17:29,474 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 23:17:29,478 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 23:17:29,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 23:17:29,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:29" (1/1) ... [2024-11-09 23:17:29,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:29" (1/1) ... [2024-11-09 23:17:29,578 INFO L138 Inliner]: procedures = 59, calls = 108, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 234 [2024-11-09 23:17:29,581 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 23:17:29,582 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 23:17:29,582 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 23:17:29,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 23:17:29,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:29" (1/1) ... [2024-11-09 23:17:29,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:29" (1/1) ... [2024-11-09 23:17:29,596 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:29" (1/1) ... [2024-11-09 23:17:29,616 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]. [2024-11-09 23:17:29,617 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:29" (1/1) ... [2024-11-09 23:17:29,617 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:29" (1/1) ... [2024-11-09 23:17:29,624 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:29" (1/1) ... [2024-11-09 23:17:29,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:29" (1/1) ... [2024-11-09 23:17:29,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:29" (1/1) ... [2024-11-09 23:17:29,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:29" (1/1) ... [2024-11-09 23:17:29,630 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 23:17:29,631 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 23:17:29,632 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 23:17:29,632 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 23:17:29,633 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:29" (1/1) ... [2024-11-09 23:17:29,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:17:29,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:17:29,662 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) [2024-11-09 23:17:29,667 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 [2024-11-09 23:17:29,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 23:17:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-09 23:17:29,707 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-09 23:17:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-09 23:17:29,707 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-09 23:17:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-09 23:17:29,707 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-09 23:17:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-09 23:17:29,707 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-09 23:17:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2024-11-09 23:17:29,708 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2024-11-09 23:17:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-09 23:17:29,708 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-09 23:17:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-11-09 23:17:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-11-09 23:17:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-11-09 23:17:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-11-09 23:17:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-09 23:17:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-09 23:17:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 23:17:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-09 23:17:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-09 23:17:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 23:17:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 23:17:29,776 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 23:17:29,777 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 23:17:29,858 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L536-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-09 23:17:29,859 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L337-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~5#1; [2024-11-09 23:17:29,882 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L481: #res := ~retValue_acc~6; [2024-11-09 23:17:29,931 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2024-11-09 23:17:29,931 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L513-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; [2024-11-09 23:17:30,003 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L998-1: main_#res#1 := main_~retValue_acc~13#1; [2024-11-09 23:17:30,003 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L84-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2024-11-09 23:17:30,040 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L318-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; [2024-11-09 23:17:30,040 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L527-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-09 23:17:30,046 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: #res := ~retValue_acc~2; [2024-11-09 23:17:30,062 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-11-09 23:17:30,062 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 23:17:30,075 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 23:17:30,075 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 23:17:30,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:17:30 BoogieIcfgContainer [2024-11-09 23:17:30,076 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 23:17:30,077 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 23:17:30,077 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 23:17:30,080 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 23:17:30,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:17:29" (1/3) ... [2024-11-09 23:17:30,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49ce141e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:17:30, skipping insertion in model container [2024-11-09 23:17:30,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:29" (2/3) ... [2024-11-09 23:17:30,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49ce141e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:17:30, skipping insertion in model container [2024-11-09 23:17:30,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:17:30" (3/3) ... [2024-11-09 23:17:30,082 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product64.cil.c [2024-11-09 23:17:30,095 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 23:17:30,095 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 23:17:30,141 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 23:17:30,146 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;@5b3d0eb8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 23:17:30,146 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 23:17:30,149 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 88 states have (on average 1.3522727272727273) internal successors, (119), 99 states have internal predecessors, (119), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 23:17:30,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 23:17:30,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:17:30,157 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] [2024-11-09 23:17:30,158 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:17:30,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:17:30,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1957767899, now seen corresponding path program 1 times [2024-11-09 23:17:30,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:17:30,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108403149] [2024-11-09 23:17:30,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:17:30,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:17:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:17:30,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 23:17:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:17:30,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:17:30,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:17:30,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108403149] [2024-11-09 23:17:30,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108403149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:17:30,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:17:30,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 23:17:30,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804659148] [2024-11-09 23:17:30,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:17:30,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 23:17:30,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:17:30,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 23:17:30,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 23:17:30,327 INFO L87 Difference]: Start difference. First operand has 119 states, 88 states have (on average 1.3522727272727273) internal successors, (119), 99 states have internal predecessors, (119), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) 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) [2024-11-09 23:17:30,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:17:30,354 INFO L93 Difference]: Finished difference Result 229 states and 308 transitions. [2024-11-09 23:17:30,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 23:17:30,356 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 [2024-11-09 23:17:30,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:17:30,362 INFO L225 Difference]: With dead ends: 229 [2024-11-09 23:17:30,362 INFO L226 Difference]: Without dead ends: 108 [2024-11-09 23:17:30,365 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 [2024-11-09 23:17:30,368 INFO L432 NwaCegarLoop]: 150 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, 150 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 [2024-11-09 23:17:30,368 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:17:30,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-09 23:17:30,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-11-09 23:17:30,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 79 states have (on average 1.3037974683544304) internal successors, (103), 89 states have internal predecessors, (103), 19 states have call successors, (19), 10 states have call predecessors, (19), 9 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 23:17:30,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 140 transitions. [2024-11-09 23:17:30,399 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 140 transitions. Word has length 27 [2024-11-09 23:17:30,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:17:30,400 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 140 transitions. [2024-11-09 23:17:30,400 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) [2024-11-09 23:17:30,400 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 140 transitions. [2024-11-09 23:17:30,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 23:17:30,402 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:17:30,402 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] [2024-11-09 23:17:30,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 23:17:30,403 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:17:30,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:17:30,403 INFO L85 PathProgramCache]: Analyzing trace with hash 512181547, now seen corresponding path program 1 times [2024-11-09 23:17:30,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:17:30,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280287639] [2024-11-09 23:17:30,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:17:30,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:17:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:17:30,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 23:17:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:17:30,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:17:30,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:17:30,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280287639] [2024-11-09 23:17:30,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280287639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:17:30,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:17:30,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:17:30,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495076204] [2024-11-09 23:17:30,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:17:30,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:17:30,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:17:30,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:17:30,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:17:30,491 INFO L87 Difference]: Start difference. First operand 108 states and 140 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-11-09 23:17:30,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:17:30,506 INFO L93 Difference]: Finished difference Result 176 states and 228 transitions. [2024-11-09 23:17:30,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:17:30,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 29 [2024-11-09 23:17:30,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:17:30,508 INFO L225 Difference]: With dead ends: 176 [2024-11-09 23:17:30,508 INFO L226 Difference]: Without dead ends: 98 [2024-11-09 23:17:30,509 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 [2024-11-09 23:17:30,510 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 16 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 230 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 [2024-11-09 23:17:30,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 230 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:17:30,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-09 23:17:30,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-09 23:17:30,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 72 states have (on average 1.3194444444444444) internal successors, (95), 82 states have internal predecessors, (95), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 23:17:30,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 127 transitions. [2024-11-09 23:17:30,522 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 127 transitions. Word has length 29 [2024-11-09 23:17:30,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:17:30,523 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 127 transitions. [2024-11-09 23:17:30,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-11-09 23:17:30,523 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 127 transitions. [2024-11-09 23:17:30,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 23:17:30,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:17:30,524 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] [2024-11-09 23:17:30,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 23:17:30,525 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:17:30,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:17:30,525 INFO L85 PathProgramCache]: Analyzing trace with hash 187939395, now seen corresponding path program 1 times [2024-11-09 23:17:30,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:17:30,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467207618] [2024-11-09 23:17:30,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:17:30,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:17:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:17:30,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 23:17:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:17:30,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:17:30,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:17:30,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467207618] [2024-11-09 23:17:30,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467207618] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:17:30,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:17:30,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:17:30,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109164774] [2024-11-09 23:17:30,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:17:30,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 23:17:30,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:17:30,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 23:17:30,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 23:17:30,643 INFO L87 Difference]: Start difference. First operand 98 states and 127 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 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) [2024-11-09 23:17:30,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:17:30,834 INFO L93 Difference]: Finished difference Result 323 states and 425 transitions. [2024-11-09 23:17:30,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 23:17:30,835 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 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 [2024-11-09 23:17:30,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:17:30,837 INFO L225 Difference]: With dead ends: 323 [2024-11-09 23:17:30,837 INFO L226 Difference]: Without dead ends: 232 [2024-11-09 23:17:30,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-09 23:17:30,839 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 299 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:17:30,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 486 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:17:30,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-09 23:17:30,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 224. [2024-11-09 23:17:30,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 163 states have (on average 1.3496932515337423) internal successors, (220), 185 states have internal predecessors, (220), 37 states have call successors, (37), 23 states have call predecessors, (37), 23 states have return successors, (38), 25 states have call predecessors, (38), 37 states have call successors, (38) [2024-11-09 23:17:30,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 295 transitions. [2024-11-09 23:17:30,865 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 295 transitions. Word has length 32 [2024-11-09 23:17:30,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:17:30,866 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 295 transitions. [2024-11-09 23:17:30,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 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) [2024-11-09 23:17:30,866 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 295 transitions. [2024-11-09 23:17:30,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 23:17:30,867 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:17:30,868 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:17:30,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 23:17:30,868 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:17:30,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:17:30,868 INFO L85 PathProgramCache]: Analyzing trace with hash 743570162, now seen corresponding path program 1 times [2024-11-09 23:17:30,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:17:30,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396901772] [2024-11-09 23:17:30,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:17:30,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:17:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:17:30,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:17:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:17:30,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:17:30,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:17:31,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396901772] [2024-11-09 23:17:31,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396901772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:17:31,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:17:31,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 23:17:31,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887868678] [2024-11-09 23:17:31,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:17:31,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:17:31,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:17:31,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:17:31,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:17:31,001 INFO L87 Difference]: Start difference. First operand 224 states and 295 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2024-11-09 23:17:31,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:17:31,053 INFO L93 Difference]: Finished difference Result 640 states and 873 transitions. [2024-11-09 23:17:31,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:17:31,054 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 35 [2024-11-09 23:17:31,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:17:31,057 INFO L225 Difference]: With dead ends: 640 [2024-11-09 23:17:31,057 INFO L226 Difference]: Without dead ends: 423 [2024-11-09 23:17:31,058 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 [2024-11-09 23:17:31,059 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 88 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:17:31,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 469 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:17:31,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2024-11-09 23:17:31,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2024-11-09 23:17:31,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 305 states have (on average 1.3278688524590163) internal successors, (405), 345 states have internal predecessors, (405), 74 states have call successors, (74), 46 states have call predecessors, (74), 43 states have return successors, (80), 47 states have call predecessors, (80), 74 states have call successors, (80) [2024-11-09 23:17:31,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 559 transitions. [2024-11-09 23:17:31,094 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 559 transitions. Word has length 35 [2024-11-09 23:17:31,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:17:31,095 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 559 transitions. [2024-11-09 23:17:31,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2024-11-09 23:17:31,095 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 559 transitions. [2024-11-09 23:17:31,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 23:17:31,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:17:31,098 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:17:31,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 23:17:31,098 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:17:31,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:17:31,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1527014864, now seen corresponding path program 1 times [2024-11-09 23:17:31,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:17:31,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28036823] [2024-11-09 23:17:31,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:17:31,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:17:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 23:17:31,118 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 23:17:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 23:17:31,157 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 23:17:31,157 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 23:17:31,158 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 23:17:31,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 23:17:31,161 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-09 23:17:31,183 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 23:17:31,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 11:17:31 BoogieIcfgContainer [2024-11-09 23:17:31,186 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 23:17:31,186 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 23:17:31,186 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 23:17:31,187 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 23:17:31,187 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:17:30" (3/4) ... [2024-11-09 23:17:31,187 INFO L137 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 23:17:31,226 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 23:17:31,226 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 23:17:31,227 INFO L158 Benchmark]: Toolchain (without parser) took 2163.74ms. Allocated memory is still 192.9MB. Free memory was 120.7MB in the beginning and 114.4MB in the end (delta: 6.2MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-11-09 23:17:31,227 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 192.9MB. Free memory is still 150.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 23:17:31,227 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.48ms. Allocated memory is still 192.9MB. Free memory was 120.4MB in the beginning and 163.0MB in the end (delta: -42.6MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2024-11-09 23:17:31,227 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.17ms. Allocated memory is still 192.9MB. Free memory was 163.0MB in the beginning and 160.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 23:17:31,228 INFO L158 Benchmark]: Boogie Preprocessor took 49.09ms. Allocated memory is still 192.9MB. Free memory was 160.9MB in the beginning and 158.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 23:17:31,228 INFO L158 Benchmark]: IcfgBuilder took 444.12ms. Allocated memory is still 192.9MB. Free memory was 157.9MB in the beginning and 136.8MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 23:17:31,228 INFO L158 Benchmark]: TraceAbstraction took 1108.46ms. Allocated memory is still 192.9MB. Free memory was 135.8MB in the beginning and 118.6MB in the end (delta: 17.2MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2024-11-09 23:17:31,228 INFO L158 Benchmark]: Witness Printer took 39.94ms. Allocated memory is still 192.9MB. Free memory was 118.6MB in the beginning and 114.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 23:17:31,229 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 192.9MB. Free memory is still 150.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.48ms. Allocated memory is still 192.9MB. Free memory was 120.4MB in the beginning and 163.0MB in the end (delta: -42.6MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.17ms. Allocated memory is still 192.9MB. Free memory was 163.0MB in the beginning and 160.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.09ms. Allocated memory is still 192.9MB. Free memory was 160.9MB in the beginning and 158.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 444.12ms. Allocated memory is still 192.9MB. Free memory was 157.9MB in the beginning and 136.8MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1108.46ms. Allocated memory is still 192.9MB. Free memory was 135.8MB in the beginning and 118.6MB in the end (delta: 17.2MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Witness Printer took 39.94ms. Allocated memory is still 192.9MB. Free memory was 118.6MB in the beginning and 114.4MB in the end (delta: 4.2MB). 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [87] - GenericResultAtLocation [Line: 363]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [363] - GenericResultAtLocation [Line: 435]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [435] - GenericResultAtLocation [Line: 539]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [539] - GenericResultAtLocation [Line: 905]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [905] - GenericResultAtLocation [Line: 1001]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1001] - GenericResultAtLocation [Line: 1010]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [1010] * 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: 1006]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L100] int pumpRunning = 0; [L101] int systemActive = 1; [L437] int waterLevel = 1; [L438] int methaneLevelCritical = 0; [L709] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L906] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L979] int retValue_acc ; [L980] int tmp ; [L984] FCALL select_helpers() [L985] FCALL select_features() [L986] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L986] RET, EXPR valid_product() [L986] tmp = valid_product() [L988] COND TRUE \read(tmp) [L990] FCALL setup() [L991] CALL runTest() [L973] CALL test() [L368] int splverifierCounter ; [L369] int tmp ; [L370] int tmp___0 ; [L371] int tmp___1 ; [L372] int tmp___2 ; [L375] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L377] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L379] COND TRUE splverifierCounter < 4 [L385] tmp = __VERIFIER_nondet_int() [L387] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L389] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L455] COND TRUE waterLevel < 2 [L456] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L389] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L395] tmp___0 = __VERIFIER_nondet_int() [L397] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L405] tmp___2 = __VERIFIER_nondet_int() [L407] COND FALSE !(\read(tmp___2)) [L413] tmp___1 = __VERIFIER_nondet_int() [L415] COND TRUE \read(tmp___1) [L417] CALL stopSystem() [L344] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L351] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L417] RET stopSystem() [L424] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L108] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L115] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L123] CALL __utac_acc__Specification3_spec__1() [L1012] int tmp ; [L1013] int tmp___0 ; [L1014] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1018] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L476] int retValue_acc ; [L479] retValue_acc = methaneLevelCritical [L480] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1018] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1018] tmp = isMethaneLevelCritical() [L1020] COND FALSE !(\read(tmp)) [L1024] CALL, EXPR getWaterLevel() [L508] int retValue_acc ; [L511] retValue_acc = waterLevel [L512] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1024] RET, EXPR getWaterLevel() [L1024] tmp___0 = getWaterLevel() [L1026] COND TRUE tmp___0 == 2 [L1028] CALL, EXPR isPumpRunning() [L258] int retValue_acc ; [L261] retValue_acc = pumpRunning [L262] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1028] RET, EXPR isPumpRunning() [L1028] tmp___1 = isPumpRunning() [L1030] COND FALSE !(\read(tmp___1)) [L1034] CALL __automaton_fail() [L1006] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 119 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 407 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 403 mSDsluCounter, 1335 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 797 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 153 IncrementalHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 538 mSDtfsCounter, 153 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=423occurred in iteration=4, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 119 ConstructedInterpolants, 0 QuantifiedInterpolants, 228 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! [2024-11-09 23:17:31,255 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