./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product59.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 44dae38cb994480933527955346e93b306d1aac023f2c5b3e53f2823ec637c09 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 15:52:48,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 15:52:48,776 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 15:52:48,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 15:52:48,782 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 15:52:48,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 15:52:48,807 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 15:52:48,807 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 15:52:48,808 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 15:52:48,808 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 15:52:48,808 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 15:52:48,808 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 15:52:48,808 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 15:52:48,808 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 15:52:48,808 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 15:52:48,808 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 15:52:48,808 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 15:52:48,809 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 15:52:48,809 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 15:52:48,809 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 15:52:48,809 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 15:52:48,809 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 15:52:48,809 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 15:52:48,809 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 15:52:48,809 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 15:52:48,809 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 15:52:48,809 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 15:52:48,809 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 15:52:48,810 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 15:52:48,810 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 15:52:48,810 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 15:52:48,810 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 15:52:48,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 15:52:48,810 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 15:52:48,810 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 15:52:48,810 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 15:52:48,810 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 15:52:48,810 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 15:52:48,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 15:52:48,810 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 15:52:48,811 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 15:52:48,811 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 15:52:48,811 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 15:52:48,811 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/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 -> 44dae38cb994480933527955346e93b306d1aac023f2c5b3e53f2823ec637c09 [2025-02-05 15:52:49,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 15:52:49,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 15:52:49,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 15:52:49,042 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 15:52:49,042 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 15:52:49,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product59.cil.c [2025-02-05 15:52:50,136 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bd62afd6b/6cf6554d16354102b6d59d94a4a925a8/FLAG6a5e2f98d [2025-02-05 15:52:50,452 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 15:52:50,454 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product59.cil.c [2025-02-05 15:52:50,467 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bd62afd6b/6cf6554d16354102b6d59d94a4a925a8/FLAG6a5e2f98d [2025-02-05 15:52:50,737 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bd62afd6b/6cf6554d16354102b6d59d94a4a925a8 [2025-02-05 15:52:50,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 15:52:50,746 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 15:52:50,748 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 15:52:50,748 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 15:52:50,756 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 15:52:50,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 03:52:50" (1/1) ... [2025-02-05 15:52:50,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5180f95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:52:50, skipping insertion in model container [2025-02-05 15:52:50,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 03:52:50" (1/1) ... [2025-02-05 15:52:50,808 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 15:52:51,108 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product59.cil.c[15143,15156] [2025-02-05 15:52:51,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 15:52:51,138 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 15:52:51,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2025-02-05 15:52:51,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] [2025-02-05 15:52:51,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [526] [2025-02-05 15:52:51,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [628] [2025-02-05 15:52:51,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [663] [2025-02-05 15:52:51,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [699] [2025-02-05 15:52:51,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [708] [2025-02-05 15:52:51,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [776] [2025-02-05 15:52:51,193 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product59.cil.c[15143,15156] [2025-02-05 15:52:51,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 15:52:51,224 INFO L204 MainTranslator]: Completed translation [2025-02-05 15:52:51,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:52:51 WrapperNode [2025-02-05 15:52:51,224 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 15:52:51,225 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 15:52:51,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 15:52:51,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 15:52:51,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:52:51" (1/1) ... [2025-02-05 15:52:51,245 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:52:51" (1/1) ... [2025-02-05 15:52:51,263 INFO L138 Inliner]: procedures = 57, calls = 103, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 227 [2025-02-05 15:52:51,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 15:52:51,264 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 15:52:51,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 15:52:51,264 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 15:52:51,271 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:52:51" (1/1) ... [2025-02-05 15:52:51,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:52:51" (1/1) ... [2025-02-05 15:52:51,275 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:52:51" (1/1) ... [2025-02-05 15:52:51,295 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]. [2025-02-05 15:52:51,295 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:52:51" (1/1) ... [2025-02-05 15:52:51,295 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:52:51" (1/1) ... [2025-02-05 15:52:51,298 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:52:51" (1/1) ... [2025-02-05 15:52:51,303 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:52:51" (1/1) ... [2025-02-05 15:52:51,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:52:51" (1/1) ... [2025-02-05 15:52:51,304 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:52:51" (1/1) ... [2025-02-05 15:52:51,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 15:52:51,306 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 15:52:51,306 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 15:52:51,306 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 15:52:51,307 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:52:51" (1/1) ... [2025-02-05 15:52:51,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 15:52:51,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:52:51,331 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 15:52:51,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 15:52:51,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 15:52:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2025-02-05 15:52:51,360 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2025-02-05 15:52:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2025-02-05 15:52:51,360 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2025-02-05 15:52:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2025-02-05 15:52:51,360 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2025-02-05 15:52:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2025-02-05 15:52:51,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2025-02-05 15:52:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2025-02-05 15:52:51,361 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2025-02-05 15:52:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2025-02-05 15:52:51,361 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2025-02-05 15:52:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2025-02-05 15:52:51,361 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2025-02-05 15:52:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 15:52:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2025-02-05 15:52:51,362 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2025-02-05 15:52:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 15:52:51,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 15:52:51,426 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 15:52:51,428 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 15:52:51,531 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L500-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; [2025-02-05 15:52:51,531 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L523-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~6#1; [2025-02-05 15:52:51,531 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L990-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2025-02-05 15:52:51,531 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L916-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; [2025-02-05 15:52:51,558 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint cleanupFINAL: assume true; [2025-02-05 15:52:51,563 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L468: #res := ~retValue_acc~3; [2025-02-05 15:52:51,633 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L660-1: valid_product_#res#1 := valid_product_~retValue_acc~9#1; [2025-02-05 15:52:51,633 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L625-1: main_#res#1 := main_~retValue_acc~7#1; [2025-02-05 15:52:51,677 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L514-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2025-02-05 15:52:51,677 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L907-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2025-02-05 15:52:51,677 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L971-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2025-02-05 15:52:51,699 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2025-02-05 15:52:51,699 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 15:52:51,709 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 15:52:51,709 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 15:52:51,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:52:51 BoogieIcfgContainer [2025-02-05 15:52:51,709 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 15:52:51,711 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 15:52:51,711 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 15:52:51,715 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 15:52:51,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 03:52:50" (1/3) ... [2025-02-05 15:52:51,715 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f35346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 03:52:51, skipping insertion in model container [2025-02-05 15:52:51,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:52:51" (2/3) ... [2025-02-05 15:52:51,716 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f35346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 03:52:51, skipping insertion in model container [2025-02-05 15:52:51,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:52:51" (3/3) ... [2025-02-05 15:52:51,716 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product59.cil.c [2025-02-05 15:52:51,729 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 15:52:51,730 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec3_product59.cil.c that has 9 procedures, 99 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-02-05 15:52:51,774 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 15:52:51,784 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;@474b2cb2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 15:52:51,785 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 15:52:51,788 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 74 states have (on average 1.364864864864865) internal successors, (101), 83 states have internal predecessors, (101), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-05 15:52:51,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-02-05 15:52:51,795 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:52:51,796 INFO L218 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] [2025-02-05 15:52:51,796 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:52:51,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:52:51,799 INFO L85 PathProgramCache]: Analyzing trace with hash 966444712, now seen corresponding path program 1 times [2025-02-05 15:52:51,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:52:51,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312136790] [2025-02-05 15:52:51,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:52:51,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:52:51,849 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-05 15:52:51,862 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-05 15:52:51,862 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:52:51,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:52:51,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 15:52:51,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:52:51,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312136790] [2025-02-05 15:52:51,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312136790] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:52:51,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:52:51,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-05 15:52:51,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102208920] [2025-02-05 15:52:51,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:52:51,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-05 15:52:51,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:52:51,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-05 15:52:51,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 15:52:51,914 INFO L87 Difference]: Start difference. First operand has 98 states, 74 states have (on average 1.364864864864865) internal successors, (101), 83 states have internal predecessors, (101), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-05 15:52:51,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:52:51,931 INFO L93 Difference]: Finished difference Result 180 states and 243 transitions. [2025-02-05 15:52:51,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-05 15:52:51,932 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2025-02-05 15:52:51,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:52:51,937 INFO L225 Difference]: With dead ends: 180 [2025-02-05 15:52:51,938 INFO L226 Difference]: Without dead ends: 90 [2025-02-05 15:52:51,940 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 15:52:51,942 INFO L435 NwaCegarLoop]: 122 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, 122 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 [2025-02-05 15:52:51,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:52:51,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2025-02-05 15:52:51,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2025-02-05 15:52:51,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 68 states have (on average 1.3235294117647058) internal successors, (90), 76 states have internal predecessors, (90), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-05 15:52:51,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 117 transitions. [2025-02-05 15:52:51,968 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 117 transitions. Word has length 25 [2025-02-05 15:52:51,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:52:51,969 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 117 transitions. [2025-02-05 15:52:51,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-05 15:52:51,969 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 117 transitions. [2025-02-05 15:52:51,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-02-05 15:52:51,970 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:52:51,971 INFO L218 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] [2025-02-05 15:52:51,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-05 15:52:51,971 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:52:51,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:52:51,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1450612660, now seen corresponding path program 1 times [2025-02-05 15:52:51,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:52:51,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038997000] [2025-02-05 15:52:51,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:52:51,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:52:51,979 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-05 15:52:51,985 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-05 15:52:51,985 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:52:51,985 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:52:52,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 15:52:52,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:52:52,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038997000] [2025-02-05 15:52:52,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038997000] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:52:52,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:52:52,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-05 15:52:52,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010350128] [2025-02-05 15:52:52,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:52:52,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 15:52:52,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:52:52,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 15:52:52,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-05 15:52:52,043 INFO L87 Difference]: Start difference. First operand 90 states and 117 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-05 15:52:52,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:52:52,057 INFO L93 Difference]: Finished difference Result 143 states and 185 transitions. [2025-02-05 15:52:52,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 15:52:52,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2025-02-05 15:52:52,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:52:52,058 INFO L225 Difference]: With dead ends: 143 [2025-02-05 15:52:52,058 INFO L226 Difference]: Without dead ends: 81 [2025-02-05 15:52:52,059 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-05 15:52:52,060 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 15 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 188 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 [2025-02-05 15:52:52,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 188 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:52:52,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2025-02-05 15:52:52,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2025-02-05 15:52:52,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 70 states have internal predecessors, (83), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-05 15:52:52,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 105 transitions. [2025-02-05 15:52:52,067 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 105 transitions. Word has length 26 [2025-02-05 15:52:52,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:52:52,067 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 105 transitions. [2025-02-05 15:52:52,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-05 15:52:52,067 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 105 transitions. [2025-02-05 15:52:52,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-02-05 15:52:52,068 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:52:52,068 INFO L218 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] [2025-02-05 15:52:52,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-05 15:52:52,068 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:52:52,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:52:52,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1888257931, now seen corresponding path program 1 times [2025-02-05 15:52:52,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:52:52,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604167802] [2025-02-05 15:52:52,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:52:52,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:52:52,077 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-05 15:52:52,084 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-05 15:52:52,084 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:52:52,084 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:52:52,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 15:52:52,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:52:52,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604167802] [2025-02-05 15:52:52,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604167802] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:52:52,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:52:52,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-05 15:52:52,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827438023] [2025-02-05 15:52:52,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:52:52,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 15:52:52,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:52:52,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 15:52:52,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-05 15:52:52,141 INFO L87 Difference]: Start difference. First operand 81 states and 105 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2025-02-05 15:52:52,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:52:52,178 INFO L93 Difference]: Finished difference Result 228 states and 301 transitions. [2025-02-05 15:52:52,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 15:52:52,179 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), 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 29 [2025-02-05 15:52:52,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:52:52,181 INFO L225 Difference]: With dead ends: 228 [2025-02-05 15:52:52,181 INFO L226 Difference]: Without dead ends: 154 [2025-02-05 15:52:52,181 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-05 15:52:52,182 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 86 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 218 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 [2025-02-05 15:52:52,186 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 218 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:52:52,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2025-02-05 15:52:52,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 151. [2025-02-05 15:52:52,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 114 states have (on average 1.3596491228070176) internal successors, (155), 129 states have internal predecessors, (155), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 15 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-05 15:52:52,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 199 transitions. [2025-02-05 15:52:52,211 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 199 transitions. Word has length 29 [2025-02-05 15:52:52,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:52:52,211 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 199 transitions. [2025-02-05 15:52:52,211 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), 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) [2025-02-05 15:52:52,211 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 199 transitions. [2025-02-05 15:52:52,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-05 15:52:52,212 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:52:52,212 INFO L218 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] [2025-02-05 15:52:52,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-05 15:52:52,213 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:52:52,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:52:52,213 INFO L85 PathProgramCache]: Analyzing trace with hash 942751439, now seen corresponding path program 1 times [2025-02-05 15:52:52,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:52:52,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786349171] [2025-02-05 15:52:52,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:52:52,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:52:52,232 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-05 15:52:52,256 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-05 15:52:52,257 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:52:52,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:52:52,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 15:52:52,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:52:52,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786349171] [2025-02-05 15:52:52,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786349171] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:52:52,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:52:52,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 15:52:52,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546616796] [2025-02-05 15:52:52,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:52:52,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:52:52,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:52:52,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:52:52,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:52:52,371 INFO L87 Difference]: Start difference. First operand 151 states and 199 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) [2025-02-05 15:52:52,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:52:52,467 INFO L93 Difference]: Finished difference Result 427 states and 582 transitions. [2025-02-05 15:52:52,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:52:52,467 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 [2025-02-05 15:52:52,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:52:52,469 INFO L225 Difference]: With dead ends: 427 [2025-02-05 15:52:52,469 INFO L226 Difference]: Without dead ends: 283 [2025-02-05 15:52:52,470 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-05 15:52:52,471 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 68 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-05 15:52:52,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 381 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-05 15:52:52,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2025-02-05 15:52:52,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2025-02-05 15:52:52,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 212 states have (on average 1.3396226415094339) internal successors, (284), 239 states have internal predecessors, (284), 44 states have call successors, (44), 28 states have call predecessors, (44), 26 states have return successors, (46), 28 states have call predecessors, (46), 44 states have call successors, (46) [2025-02-05 15:52:52,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 374 transitions. [2025-02-05 15:52:52,506 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 374 transitions. Word has length 33 [2025-02-05 15:52:52,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:52:52,506 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 374 transitions. [2025-02-05 15:52:52,506 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) [2025-02-05 15:52:52,506 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 374 transitions. [2025-02-05 15:52:52,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-02-05 15:52:52,508 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:52:52,508 INFO L218 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] [2025-02-05 15:52:52,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-05 15:52:52,508 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:52:52,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:52:52,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1959622382, now seen corresponding path program 1 times [2025-02-05 15:52:52,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:52:52,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194636883] [2025-02-05 15:52:52,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:52:52,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:52:52,519 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-05 15:52:52,525 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-05 15:52:52,528 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:52:52,529 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:52:52,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 15:52:52,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:52:52,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194636883] [2025-02-05 15:52:52,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194636883] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:52:52,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:52:52,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-05 15:52:52,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145471195] [2025-02-05 15:52:52,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:52:52,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 15:52:52,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:52:52,602 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 15:52:52,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-05 15:52:52,602 INFO L87 Difference]: Start difference. First operand 283 states and 374 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2025-02-05 15:52:52,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:52:52,663 INFO L93 Difference]: Finished difference Result 697 states and 939 transitions. [2025-02-05 15:52:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 15:52:52,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 35 [2025-02-05 15:52:52,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:52:52,668 INFO L225 Difference]: With dead ends: 697 [2025-02-05 15:52:52,669 INFO L226 Difference]: Without dead ends: 421 [2025-02-05 15:52:52,671 INFO L434 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 [2025-02-05 15:52:52,675 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 65 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:52:52,675 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 166 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:52:52,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2025-02-05 15:52:52,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 412. [2025-02-05 15:52:52,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 313 states have (on average 1.3003194888178913) internal successors, (407), 337 states have internal predecessors, (407), 53 states have call successors, (53), 47 states have call predecessors, (53), 45 states have return successors, (71), 48 states have call predecessors, (71), 53 states have call successors, (71) [2025-02-05 15:52:52,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 531 transitions. [2025-02-05 15:52:52,703 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 531 transitions. Word has length 35 [2025-02-05 15:52:52,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:52:52,703 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 531 transitions. [2025-02-05 15:52:52,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2025-02-05 15:52:52,703 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 531 transitions. [2025-02-05 15:52:52,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-02-05 15:52:52,704 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:52:52,704 INFO L218 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] [2025-02-05 15:52:52,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-05 15:52:52,705 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:52:52,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:52:52,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1976816305, now seen corresponding path program 1 times [2025-02-05 15:52:52,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:52:52,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856967783] [2025-02-05 15:52:52,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:52:52,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:52:52,711 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-05 15:52:52,723 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-05 15:52:52,726 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:52:52,726 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 15:52:52,727 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-05 15:52:52,729 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-05 15:52:52,737 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-05 15:52:52,741 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:52:52,741 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 15:52:52,765 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-05 15:52:52,765 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-05 15:52:52,766 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-05 15:52:52,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-05 15:52:52,768 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-02-05 15:52:52,790 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 15:52:52,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 03:52:52 BoogieIcfgContainer [2025-02-05 15:52:52,792 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 15:52:52,793 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 15:52:52,793 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 15:52:52,793 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 15:52:52,794 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:52:51" (3/4) ... [2025-02-05 15:52:52,794 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-02-05 15:52:52,829 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 32. [2025-02-05 15:52:52,873 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-05 15:52:52,874 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-05 15:52:52,874 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 15:52:52,874 INFO L158 Benchmark]: Toolchain (without parser) took 2129.18ms. Allocated memory is still 167.8MB. Free memory was 122.3MB in the beginning and 50.6MB in the end (delta: 71.7MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. [2025-02-05 15:52:52,875 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 119.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:52:52,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.82ms. Allocated memory is still 167.8MB. Free memory was 122.3MB in the beginning and 103.3MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-05 15:52:52,875 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.62ms. Allocated memory is still 167.8MB. Free memory was 103.3MB in the beginning and 101.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:52:52,875 INFO L158 Benchmark]: Boogie Preprocessor took 41.04ms. Allocated memory is still 167.8MB. Free memory was 101.2MB in the beginning and 99.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 15:52:52,875 INFO L158 Benchmark]: IcfgBuilder took 403.75ms. Allocated memory is still 167.8MB. Free memory was 99.6MB in the beginning and 79.7MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-05 15:52:52,876 INFO L158 Benchmark]: TraceAbstraction took 1081.17ms. Allocated memory is still 167.8MB. Free memory was 79.7MB in the beginning and 58.1MB in the end (delta: 21.6MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2025-02-05 15:52:52,876 INFO L158 Benchmark]: Witness Printer took 80.89ms. Allocated memory is still 167.8MB. Free memory was 58.1MB in the beginning and 50.6MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 15:52:52,877 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 119.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.82ms. Allocated memory is still 167.8MB. Free memory was 122.3MB in the beginning and 103.3MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.62ms. Allocated memory is still 167.8MB. Free memory was 103.3MB in the beginning and 101.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.04ms. Allocated memory is still 167.8MB. Free memory was 101.2MB in the beginning and 99.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 403.75ms. Allocated memory is still 167.8MB. Free memory was 99.6MB in the beginning and 79.7MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1081.17ms. Allocated memory is still 167.8MB. Free memory was 79.7MB in the beginning and 58.1MB in the end (delta: 21.6MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * Witness Printer took 80.89ms. Allocated memory is still 167.8MB. Free memory was 58.1MB in the beginning and 50.6MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] - GenericResultAtLocation [Line: 526]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [526] - GenericResultAtLocation [Line: 628]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [628] - GenericResultAtLocation [Line: 663]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [663] - GenericResultAtLocation [Line: 699]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [699] - GenericResultAtLocation [Line: 708]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [708] - GenericResultAtLocation [Line: 776]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [776] * 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: 704]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L424] int waterLevel = 1; [L425] int methaneLevelCritical = 0; [L527] int cleanupTimeShifts = 4; [L779] int pumpRunning = 0; [L780] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L606] int retValue_acc ; [L607] int tmp ; [L611] FCALL select_helpers() [L612] FCALL select_features() [L613] CALL, EXPR valid_product() [L655] int retValue_acc ; [L658] retValue_acc = 1 [L659] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L613] RET, EXPR valid_product() [L613] tmp = valid_product() [L615] COND TRUE \read(tmp) [L617] FCALL setup() [L618] CALL runTest() [L597] CALL test() [L711] int splverifierCounter ; [L712] int tmp ; [L713] int tmp___0 ; [L714] int tmp___1 ; [L715] int tmp___2 ; [L718] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L720] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L722] COND TRUE splverifierCounter < 4 [L728] tmp = __VERIFIER_nondet_int() [L730] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L732] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L442] COND TRUE waterLevel < 2 [L443] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L732] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L738] tmp___0 = __VERIFIER_nondet_int() [L740] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L748] tmp___2 = __VERIFIER_nondet_int() [L750] COND FALSE !(\read(tmp___2)) [L754] tmp___1 = __VERIFIER_nondet_int() [L756] COND TRUE \read(tmp___1) [L758] CALL stopSystem() [L997] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L1004] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L758] RET stopSystem() [L765] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L786] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L793] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L801] CALL __utac_acc__Specification3_spec__1() [L667] int tmp ; [L668] int tmp___0 ; [L669] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L673] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L463] int retValue_acc ; [L466] retValue_acc = methaneLevelCritical [L467] 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] [L673] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L673] tmp = isMethaneLevelCritical() [L675] COND FALSE !(\read(tmp)) [L679] CALL, EXPR getWaterLevel() [L495] int retValue_acc ; [L498] retValue_acc = waterLevel [L499] 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] [L679] RET, EXPR getWaterLevel() [L679] tmp___0 = getWaterLevel() [L681] COND TRUE tmp___0 == 2 [L683] CALL, EXPR isPumpRunning() [L911] int retValue_acc ; [L914] retValue_acc = pumpRunning [L915] 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] [L683] RET, EXPR isPumpRunning() [L683] tmp___1 = isPumpRunning() [L685] COND FALSE !(\read(tmp___1)) [L689] CALL __automaton_fail() [L704] 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 9 procedures, 99 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 238 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 234 mSDsluCounter, 1075 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 527 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 548 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=412occurred in iteration=5, 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, 5 MinimizatonAttempts, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 185 NumberOfCodeBlocks, 185 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 269 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2025-02-05 15:52:52,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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