./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d 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/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.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 8ffc122c88e19fa60ea50d5017c7f06bb9f1769c7e82b2428d0bede2356237c3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 21:22:49,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 21:22:49,590 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 21:22:49,593 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 21:22:49,593 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 21:22:49,606 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 21:22:49,606 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 21:22:49,607 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 21:22:49,607 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 21:22:49,607 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 21:22:49,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 21:22:49,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 21:22:49,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 21:22:49,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 21:22:49,608 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 21:22:49,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 21:22:49,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 21:22:49,608 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 21:22:49,608 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 21:22:49,608 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 21:22:49,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 21:22:49,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 21:22:49,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 21:22:49,608 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 21:22:49,608 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 21:22:49,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 21:22:49,609 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 21:22:49,609 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 21:22:49,609 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 21:22:49,609 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 21:22:49,609 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 21:22:49,609 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 21:22:49,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:22:49,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 21:22:49,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 21:22:49,609 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 21:22:49,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 21:22:49,610 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 21:22:49,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 21:22:49,610 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 21:22:49,610 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 21:22:49,610 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 21:22:49,610 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 21:22:49,610 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 -> 8ffc122c88e19fa60ea50d5017c7f06bb9f1769c7e82b2428d0bede2356237c3 [2025-02-07 21:22:49,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 21:22:49,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 21:22:49,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 21:22:49,833 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 21:22:49,833 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 21:22:49,834 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2025-02-07 21:22:50,979 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/551b33bca/cc05a4bb46854a3ab8518681d4330da7/FLAGd2e7450f6 [2025-02-07 21:22:51,301 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 21:22:51,306 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2025-02-07 21:22:51,323 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/551b33bca/cc05a4bb46854a3ab8518681d4330da7/FLAGd2e7450f6 [2025-02-07 21:22:51,345 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/551b33bca/cc05a4bb46854a3ab8518681d4330da7 [2025-02-07 21:22:51,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 21:22:51,347 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 21:22:51,348 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 21:22:51,348 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 21:22:51,351 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 21:22:51,351 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:22:51" (1/1) ... [2025-02-07 21:22:51,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68f6fb35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:51, skipping insertion in model container [2025-02-07 21:22:51,352 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:22:51" (1/1) ... [2025-02-07 21:22:51,369 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 21:22:51,501 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/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[5807,5820] [2025-02-07 21:22:51,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:22:51,540 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 21:22:51,567 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/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[5807,5820] [2025-02-07 21:22:51,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:22:51,588 INFO L204 MainTranslator]: Completed translation [2025-02-07 21:22:51,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:51 WrapperNode [2025-02-07 21:22:51,588 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 21:22:51,589 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 21:22:51,589 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 21:22:51,589 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 21:22:51,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:51" (1/1) ... [2025-02-07 21:22:51,605 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:51" (1/1) ... [2025-02-07 21:22:51,632 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 452 [2025-02-07 21:22:51,635 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 21:22:51,636 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 21:22:51,636 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 21:22:51,636 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 21:22:51,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:51" (1/1) ... [2025-02-07 21:22:51,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:51" (1/1) ... [2025-02-07 21:22:51,646 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:51" (1/1) ... [2025-02-07 21:22:51,664 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]. [2025-02-07 21:22:51,667 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:51" (1/1) ... [2025-02-07 21:22:51,668 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:51" (1/1) ... [2025-02-07 21:22:51,675 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:51" (1/1) ... [2025-02-07 21:22:51,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:51" (1/1) ... [2025-02-07 21:22:51,677 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:51" (1/1) ... [2025-02-07 21:22:51,681 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:51" (1/1) ... [2025-02-07 21:22:51,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 21:22:51,683 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 21:22:51,683 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 21:22:51,683 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 21:22:51,684 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:51" (1/1) ... [2025-02-07 21:22:51,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:22:51,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 21:22:51,718 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) [2025-02-07 21:22:51,723 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 [2025-02-07 21:22:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 21:22:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 21:22:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 21:22:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 21:22:51,828 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 21:22:51,829 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 21:22:52,180 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L490: havoc main_~node2____CPAchecker_TMP_0~0#1; [2025-02-07 21:22:52,180 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L201: havoc main_~node2__m2~0#1; [2025-02-07 21:22:52,180 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 21:22:52,180 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L400: havoc main_~node4____CPAchecker_TMP_0~0#1; [2025-02-07 21:22:52,181 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L541: havoc main_~node1____CPAchecker_TMP_0~0#1; [2025-02-07 21:22:52,181 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2025-02-07 21:22:52,181 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L246: havoc main_~node5__m5~0#1; [2025-02-07 21:22:52,181 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L445: havoc main_~node3____CPAchecker_TMP_0~0#1; [2025-02-07 21:22:52,181 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L181: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1;#t~ret25#1 := main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~node5____CPAchecker_TMP_0~0#1, main_~node5__m5~0#1, main_~node4____CPAchecker_TMP_0~0#1, main_~node4__m4~0#1, main_~node3____CPAchecker_TMP_0~0#1, main_~node3__m3~0#1, main_~node2____CPAchecker_TMP_0~0#1, main_~node2__m2~0#1, main_~node1____CPAchecker_TMP_0~0#1, main_~node1__m1~0#1, main_~init__tmp~0#1, main_~main__c1~0#1, main_~main__i2~0#1;assume { :end_inline_main } true; [2025-02-07 21:22:52,181 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L231: havoc main_~node4__m4~0#1; [2025-02-07 21:22:52,181 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L355: havoc main_~node5____CPAchecker_TMP_0~0#1; [2025-02-07 21:22:52,181 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L216: havoc main_~node3__m3~0#1; [2025-02-07 21:22:52,209 INFO L? ?]: Removed 80 outVars from TransFormulas that were not future-live. [2025-02-07 21:22:52,210 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 21:22:52,219 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 21:22:52,220 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 21:22:52,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:22:52 BoogieIcfgContainer [2025-02-07 21:22:52,221 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 21:22:52,223 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 21:22:52,224 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 21:22:52,226 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 21:22:52,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 09:22:51" (1/3) ... [2025-02-07 21:22:52,227 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ade2bd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:22:52, skipping insertion in model container [2025-02-07 21:22:52,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:51" (2/3) ... [2025-02-07 21:22:52,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ade2bd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:22:52, skipping insertion in model container [2025-02-07 21:22:52,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:22:52" (3/3) ... [2025-02-07 21:22:52,229 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2025-02-07 21:22:52,239 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 21:22:52,240 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c that has 1 procedures, 100 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-07 21:22:52,286 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 21:22:52,296 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;@751c20ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 21:22:52,296 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 21:22:52,301 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 71 states have (on average 1.9859154929577465) internal successors, (141), 98 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:22:52,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-02-07 21:22:52,306 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 21:22:52,307 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 21:22:52,307 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 21:22:52,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 21:22:52,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1529610265, now seen corresponding path program 1 times [2025-02-07 21:22:52,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 21:22:52,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705774829] [2025-02-07 21:22:52,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 21:22:52,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 21:22:52,397 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-07 21:22:52,460 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-07 21:22:52,460 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 21:22:52,460 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 21:22:52,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 21:22:52,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 21:22:52,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705774829] [2025-02-07 21:22:52,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705774829] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 21:22:52,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 21:22:52,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-07 21:22:52,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488224548] [2025-02-07 21:22:52,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 21:22:52,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-07 21:22:52,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 21:22:52,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-07 21:22:52,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-07 21:22:52,651 INFO L87 Difference]: Start difference. First operand has 99 states, 71 states have (on average 1.9859154929577465) internal successors, (141), 98 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:22:52,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 21:22:52,674 INFO L93 Difference]: Finished difference Result 101 states and 141 transitions. [2025-02-07 21:22:52,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-07 21:22:52,677 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2025-02-07 21:22:52,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 21:22:52,680 INFO L225 Difference]: With dead ends: 101 [2025-02-07 21:22:52,680 INFO L226 Difference]: Without dead ends: 0 [2025-02-07 21:22:52,682 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 [2025-02-07 21:22:52,683 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 31 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 77 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 [2025-02-07 21:22:52,684 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 77 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-07 21:22:52,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-07 21:22:52,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-07 21:22:52,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:22:52,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-07 21:22:52,698 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2025-02-07 21:22:52,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 21:22:52,698 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-07 21:22:52,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:22:52,698 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-07 21:22:52,698 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 21:22:52,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 21:22:52,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 21:22:52,702 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-07 21:22:52,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-07 21:22:52,707 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 21:22:52,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 09:22:52 BoogieIcfgContainer [2025-02-07 21:22:52,710 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 21:22:52,711 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 21:22:52,711 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 21:22:52,711 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 21:22:52,711 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:22:52" (3/4) ... [2025-02-07 21:22:52,713 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 21:22:52,719 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-07 21:22:52,719 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-07 21:22:52,720 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-07 21:22:52,720 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 21:22:52,790 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 21:22:52,790 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 21:22:52,790 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 21:22:52,791 INFO L158 Benchmark]: Toolchain (without parser) took 1443.16ms. Allocated memory is still 201.3MB. Free memory was 159.3MB in the beginning and 58.0MB in the end (delta: 101.3MB). Peak memory consumption was 100.7MB. Max. memory is 16.1GB. [2025-02-07 21:22:52,791 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory is still 118.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 21:22:52,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.71ms. Allocated memory is still 201.3MB. Free memory was 159.0MB in the beginning and 143.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 21:22:52,792 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.27ms. Allocated memory is still 201.3MB. Free memory was 143.0MB in the beginning and 140.4MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 21:22:52,794 INFO L158 Benchmark]: Boogie Preprocessor took 47.01ms. Allocated memory is still 201.3MB. Free memory was 140.4MB in the beginning and 138.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 21:22:52,794 INFO L158 Benchmark]: IcfgBuilder took 537.69ms. Allocated memory is still 201.3MB. Free memory was 138.1MB in the beginning and 104.3MB in the end (delta: 33.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-07 21:22:52,795 INFO L158 Benchmark]: TraceAbstraction took 487.02ms. Allocated memory is still 201.3MB. Free memory was 103.8MB in the beginning and 66.9MB in the end (delta: 36.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-07 21:22:52,795 INFO L158 Benchmark]: Witness Printer took 79.28ms. Allocated memory is still 201.3MB. Free memory was 66.9MB in the beginning and 58.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 21:22:52,796 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory is still 118.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.71ms. Allocated memory is still 201.3MB. Free memory was 159.0MB in the beginning and 143.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.27ms. Allocated memory is still 201.3MB. Free memory was 143.0MB in the beginning and 140.4MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.01ms. Allocated memory is still 201.3MB. Free memory was 140.4MB in the beginning and 138.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 537.69ms. Allocated memory is still 201.3MB. Free memory was 138.1MB in the beginning and 104.3MB in the end (delta: 33.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 487.02ms. Allocated memory is still 201.3MB. Free memory was 103.8MB in the beginning and 66.9MB in the end (delta: 36.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 79.28ms. Allocated memory is still 201.3MB. Free memory was 66.9MB in the beginning and 58.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * 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 - PositiveResult [Line: 293]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 100 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 77 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 69 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 165 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-07 21:22:52,810 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE