./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c.v+nlh-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-var-start-time.6.ufo.BOUNDED-12.pals.c.v+nlh-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 fbc1afdc0c527a20ea946075190a27bee4243d56a1bede1487b2df57b3410a93 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 21:22:18,283 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 21:22:18,342 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 21:22:18,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 21:22:18,347 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 21:22:18,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 21:22:18,363 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 21:22:18,363 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 21:22:18,364 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 21:22:18,364 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 21:22:18,364 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 21:22:18,364 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 21:22:18,364 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 21:22:18,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 21:22:18,364 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 21:22:18,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 21:22:18,365 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 21:22:18,365 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 21:22:18,365 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 21:22:18,365 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 21:22:18,365 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 21:22:18,365 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 21:22:18,365 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 21:22:18,366 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 21:22:18,366 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 21:22:18,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 21:22:18,366 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 21:22:18,366 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 21:22:18,366 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 21:22:18,366 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 21:22:18,366 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 21:22:18,366 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 21:22:18,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:22:18,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 21:22:18,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 21:22:18,367 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 21:22:18,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 21:22:18,367 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 21:22:18,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 21:22:18,367 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 21:22:18,367 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 21:22:18,367 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 21:22:18,367 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 21:22:18,367 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 -> fbc1afdc0c527a20ea946075190a27bee4243d56a1bede1487b2df57b3410a93 [2025-02-07 21:22:18,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 21:22:18,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 21:22:18,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 21:22:18,608 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 21:22:18,608 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 21:22:18,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c [2025-02-07 21:22:19,809 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/518516a5b/709de41bad034ef2b09e615effc34b68/FLAGbd530f0bd [2025-02-07 21:22:20,097 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 21:22:20,100 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c [2025-02-07 21:22:20,114 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/518516a5b/709de41bad034ef2b09e615effc34b68/FLAGbd530f0bd [2025-02-07 21:22:20,359 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/518516a5b/709de41bad034ef2b09e615effc34b68 [2025-02-07 21:22:20,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 21:22:20,362 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 21:22:20,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 21:22:20,365 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 21:22:20,367 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 21:22:20,368 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:22:20" (1/1) ... [2025-02-07 21:22:20,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec1fdac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:20, skipping insertion in model container [2025-02-07 21:22:20,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:22:20" (1/1) ... [2025-02-07 21:22:20,396 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 21:22:20,598 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-var-start-time.6.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c[10019,10032] [2025-02-07 21:22:20,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:22:20,674 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 21:22:20,719 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-var-start-time.6.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c[10019,10032] [2025-02-07 21:22:20,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:22:20,767 INFO L204 MainTranslator]: Completed translation [2025-02-07 21:22:20,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:20 WrapperNode [2025-02-07 21:22:20,767 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 21:22:20,768 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 21:22:20,768 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 21:22:20,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 21:22:20,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:20" (1/1) ... [2025-02-07 21:22:20,781 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:20" (1/1) ... [2025-02-07 21:22:20,810 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1047 [2025-02-07 21:22:20,810 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 21:22:20,810 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 21:22:20,810 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 21:22:20,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 21:22:20,816 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:20" (1/1) ... [2025-02-07 21:22:20,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:20" (1/1) ... [2025-02-07 21:22:20,820 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:20" (1/1) ... [2025-02-07 21:22:20,833 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 21:22:20,834 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:20" (1/1) ... [2025-02-07 21:22:20,834 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:20" (1/1) ... [2025-02-07 21:22:20,842 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:20" (1/1) ... [2025-02-07 21:22:20,844 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:20" (1/1) ... [2025-02-07 21:22:20,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:20" (1/1) ... [2025-02-07 21:22:20,847 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:20" (1/1) ... [2025-02-07 21:22:20,854 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 21:22:20,855 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 21:22:20,855 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 21:22:20,855 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 21:22:20,856 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:20" (1/1) ... [2025-02-07 21:22:20,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:22:20,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 21:22:20,888 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 21:22:20,891 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 21:22:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 21:22:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 21:22:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 21:22:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 21:22:21,021 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 21:22:21,022 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 21:22:21,745 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1491: havoc main_~node3____CPAchecker_TMP_1~1#1; [2025-02-07 21:22:21,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L335: havoc main_~node6__m6~0#1;havoc main_~node5____CPAchecker_TMP_0~0#1; [2025-02-07 21:22:21,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1359: havoc main_~node6____CPAchecker_TMP_1~1#1; [2025-02-07 21:22:21,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L831: havoc main_~node3____CPAchecker_TMP_0~1#1; [2025-02-07 21:22:21,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1031: havoc main_~node1____CPAchecker_TMP_1~0#1; [2025-02-07 21:22:21,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L272: havoc main_~node3__m3~0#1;havoc main_~node2____CPAchecker_TMP_0~0#1; [2025-02-07 21:22:21,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L538: havoc main_~node1__m1~2#1;havoc main_~main____CPAchecker_TMP_0~1#1;havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2025-02-07 21:22:21,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1003: havoc main_~node1____CPAchecker_TMP_0~1#1; [2025-02-07 21:22:21,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L773: havoc main_~node4____CPAchecker_TMP_1~0#1; [2025-02-07 21:22:21,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L575: havoc main_~node3__m3~2#1; [2025-02-07 21:22:21,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1535: havoc main_~node2____CPAchecker_TMP_1~1#1; [2025-02-07 21:22:21,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1403: havoc main_~node5____CPAchecker_TMP_1~1#1; [2025-02-07 21:22:21,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L611: havoc main_~node5__m5~2#1; [2025-02-07 21:22:21,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L314: havoc main_~node5__m5~0#1;havoc main_~node4____CPAchecker_TMP_0~0#1; [2025-02-07 21:22:21,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L745: havoc main_~node4____CPAchecker_TMP_0~1#1; [2025-02-07 21:22:21,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L481: havoc main_~node6__m6~1#1;havoc main_~node5__m5~1#1;havoc main_~node4__m4~1#1;havoc main_~node3__m3~1#1;havoc main_~node2__m2~1#1;havoc main_~node1__m1~1#1;havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1;havoc main_~node6____CPAchecker_TMP_0~0#1; [2025-02-07 21:22:21,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L251: havoc main_~node2__m2~0#1;havoc main_~node1____CPAchecker_TMP_0~0#1; [2025-02-07 21:22:21,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L945: havoc main_~node2____CPAchecker_TMP_1~0#1; [2025-02-07 21:22:21,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1146: havoc main_~node6____CPAchecker_TMP_1~0#1; [2025-02-07 21:22:21,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L917: havoc main_~node2____CPAchecker_TMP_0~1#1; [2025-02-07 21:22:21,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L687: havoc main_~node5____CPAchecker_TMP_1~0#1; [2025-02-07 21:22:21,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1579: havoc main_~node1____CPAchecker_TMP_1~1#1; [2025-02-07 21:22:21,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1447: havoc main_~node4____CPAchecker_TMP_1~1#1; [2025-02-07 21:22:21,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1118: havoc main_~node6____CPAchecker_TMP_0~1#1; [2025-02-07 21:22:21,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 21:22:21,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L557: havoc main_~node2__m2~2#1; [2025-02-07 21:22:21,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L293: havoc main_~node4__m4~0#1;havoc main_~node3____CPAchecker_TMP_0~0#1; [2025-02-07 21:22:21,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L659: havoc main_~node5____CPAchecker_TMP_0~1#1; [2025-02-07 21:22:21,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L593: havoc main_~node4__m4~2#1; [2025-02-07 21:22:21,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1;#t~ret35#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_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_~node5____CPAchecker_TMP_0~1#1, main_~node5____CPAchecker_TMP_1~0#1, main_~node5__m5~2#1, main_~node4____CPAchecker_TMP_0~1#1, main_~node4____CPAchecker_TMP_1~0#1, main_~node4__m4~2#1, main_~node3____CPAchecker_TMP_0~1#1, main_~node3____CPAchecker_TMP_1~0#1, main_~node3__m3~2#1, main_~node2____CPAchecker_TMP_0~1#1, main_~node2____CPAchecker_TMP_1~0#1, main_~node2__m2~2#1, main_~node1____CPAchecker_TMP_0~1#1, main_~node1____CPAchecker_TMP_1~0#1, main_~node1__m1~2#1, main_~main____CPAchecker_TMP_0~1#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~1#1, main_~node6____CPAchecker_TMP_0~1#1, main_~node6____CPAchecker_TMP_1~0#1, main_~node6__m6~1#1, main_~node5__m5~1#1, main_~node4__m4~1#1, main_~node3__m3~1#1, main_~node2__m2~1#1, main_~node1__m1~1#1, main_~main____CPAchecker_TMP_0~0#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~node6____CPAchecker_TMP_0~0#1, main_~node6____CPAchecker_TMP_1~1#1, main_~node6__m6~0#1, main_~node5____CPAchecker_TMP_0~0#1, main_~node5____CPAchecker_TMP_1~1#1, main_~node5__m5~0#1, main_~node4____CPAchecker_TMP_0~0#1, main_~node4____CPAchecker_TMP_1~1#1, main_~node4__m4~0#1, main_~node3____CPAchecker_TMP_0~0#1, main_~node3____CPAchecker_TMP_1~1#1, main_~node3__m3~0#1, main_~node2____CPAchecker_TMP_0~0#1, main_~node2____CPAchecker_TMP_1~1#1, main_~node2__m2~0#1, main_~node1____CPAchecker_TMP_0~0#1, main_~node1____CPAchecker_TMP_1~1#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 21:22:21,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L859: havoc main_~node3____CPAchecker_TMP_1~0#1; [2025-02-07 21:22:21,801 INFO L? ?]: Removed 213 outVars from TransFormulas that were not future-live. [2025-02-07 21:22:21,802 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 21:22:21,815 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 21:22:21,817 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 21:22:21,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:22:21 BoogieIcfgContainer [2025-02-07 21:22:21,817 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 21:22:21,819 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 21:22:21,819 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 21:22:21,822 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 21:22:21,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 09:22:20" (1/3) ... [2025-02-07 21:22:21,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e35802c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:22:21, skipping insertion in model container [2025-02-07 21:22:21,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:20" (2/3) ... [2025-02-07 21:22:21,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e35802c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:22:21, skipping insertion in model container [2025-02-07 21:22:21,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:22:21" (3/3) ... [2025-02-07 21:22:21,825 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c [2025-02-07 21:22:21,835 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 21:22:21,838 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c that has 1 procedures, 269 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-07 21:22:21,882 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 21:22:21,891 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;@58c156f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 21:22:21,891 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 21:22:21,895 INFO L276 IsEmpty]: Start isEmpty. Operand has 268 states, 187 states have (on average 1.9946524064171123) internal successors, (373), 267 states have internal predecessors, (373), 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 21:22:21,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-02-07 21:22:21,905 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 21:22:21,905 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, 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 21:22:21,906 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 21:22:21,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 21:22:21,911 INFO L85 PathProgramCache]: Analyzing trace with hash 11884233, now seen corresponding path program 1 times [2025-02-07 21:22:21,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 21:22:21,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037061237] [2025-02-07 21:22:21,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 21:22:21,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 21:22:22,003 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-02-07 21:22:22,174 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-02-07 21:22:22,174 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 21:22:22,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 21:22:22,866 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 21:22:22,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 21:22:22,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037061237] [2025-02-07 21:22:22,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037061237] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 21:22:22,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 21:22:22,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-07 21:22:22,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474679430] [2025-02-07 21:22:22,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 21:22:22,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 21:22:22,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 21:22:22,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 21:22:22,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 21:22:22,887 INFO L87 Difference]: Start difference. First operand has 268 states, 187 states have (on average 1.9946524064171123) internal successors, (373), 267 states have internal predecessors, (373), 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 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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 21:22:22,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 21:22:22,934 INFO L93 Difference]: Finished difference Result 269 states and 373 transitions. [2025-02-07 21:22:22,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 21:22:22,936 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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 100 [2025-02-07 21:22:22,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 21:22:22,939 INFO L225 Difference]: With dead ends: 269 [2025-02-07 21:22:22,939 INFO L226 Difference]: Without dead ends: 0 [2025-02-07 21:22:22,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 21:22:22,943 INFO L435 NwaCegarLoop]: 367 mSDtfsCounter, 0 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1090 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-07 21:22:22,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1090 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-07 21:22:22,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-07 21:22:22,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-07 21:22:22,962 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 21:22:22,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-07 21:22:22,964 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2025-02-07 21:22:22,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 21:22:22,964 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-07 21:22:22,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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 21:22:22,965 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-07 21:22:22,965 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 21:22:22,966 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 21:22:22,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 21:22:22,968 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-07 21:22:22,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-07 21:22:22,974 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 21:22:22,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 09:22:22 BoogieIcfgContainer [2025-02-07 21:22:22,979 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 21:22:22,979 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 21:22:22,979 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 21:22:22,979 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 21:22:22,980 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:22:21" (3/4) ... [2025-02-07 21:22:22,981 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 21:22:22,992 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-07 21:22:22,993 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-07 21:22:22,993 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-07 21:22:22,994 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 21:22:23,088 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 21:22:23,088 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 21:22:23,088 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 21:22:23,089 INFO L158 Benchmark]: Toolchain (without parser) took 2726.73ms. Allocated memory is still 167.8MB. Free memory was 121.1MB in the beginning and 61.0MB in the end (delta: 60.1MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2025-02-07 21:22:23,089 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 201.3MB. Free memory is still 114.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 21:22:23,089 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.14ms. Allocated memory is still 167.8MB. Free memory was 121.1MB in the beginning and 98.5MB in the end (delta: 22.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-07 21:22:23,089 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.85ms. Allocated memory is still 167.8MB. Free memory was 98.5MB in the beginning and 93.3MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 21:22:23,089 INFO L158 Benchmark]: Boogie Preprocessor took 44.29ms. Allocated memory is still 167.8MB. Free memory was 93.3MB in the beginning and 90.1MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 21:22:23,089 INFO L158 Benchmark]: IcfgBuilder took 961.85ms. Allocated memory is still 167.8MB. Free memory was 90.1MB in the beginning and 94.6MB in the end (delta: -4.5MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2025-02-07 21:22:23,090 INFO L158 Benchmark]: TraceAbstraction took 1159.93ms. Allocated memory is still 167.8MB. Free memory was 94.6MB in the beginning and 75.6MB in the end (delta: 19.0MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2025-02-07 21:22:23,090 INFO L158 Benchmark]: Witness Printer took 108.95ms. Allocated memory is still 167.8MB. Free memory was 75.6MB in the beginning and 61.0MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 21:22:23,091 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 201.3MB. Free memory is still 114.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.14ms. Allocated memory is still 167.8MB. Free memory was 121.1MB in the beginning and 98.5MB in the end (delta: 22.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.85ms. Allocated memory is still 167.8MB. Free memory was 98.5MB in the beginning and 93.3MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.29ms. Allocated memory is still 167.8MB. Free memory was 93.3MB in the beginning and 90.1MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 961.85ms. Allocated memory is still 167.8MB. Free memory was 90.1MB in the beginning and 94.6MB in the end (delta: -4.5MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1159.93ms. Allocated memory is still 167.8MB. Free memory was 94.6MB in the beginning and 75.6MB in the end (delta: 19.0MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * Witness Printer took 108.95ms. Allocated memory is still 167.8MB. Free memory was 75.6MB in the beginning and 61.0MB in the end (delta: 14.5MB). 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: 529]: 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, 269 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1090 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 723 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 367 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=268occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 109 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 21:22:23,109 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