./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c.p+lhb-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.6.2.ufo.BOUNDED-12.pals.c.p+lhb-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 d9dc4c1afb888b23c0ebc469c8090d62842d0a0c5570d5e56681453b5bd49afb --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 21:22:13,562 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 21:22:13,598 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 21:22:13,602 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 21:22:13,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 21:22:13,616 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 21:22:13,617 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 21:22:13,617 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 21:22:13,617 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 21:22:13,618 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 21:22:13,618 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 21:22:13,618 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 21:22:13,618 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 21:22:13,618 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 21:22:13,618 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 21:22:13,618 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 21:22:13,618 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 21:22:13,618 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 21:22:13,619 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 21:22:13,619 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 21:22:13,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 21:22:13,619 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 21:22:13,619 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 21:22:13,619 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 21:22:13,619 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 21:22:13,619 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 21:22:13,619 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 21:22:13,619 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 21:22:13,619 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 21:22:13,619 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 21:22:13,620 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 21:22:13,620 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 21:22:13,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:22:13,620 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 21:22:13,620 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 21:22:13,620 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 21:22:13,620 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 21:22:13,620 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 21:22:13,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 21:22:13,620 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 21:22:13,621 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 21:22:13,621 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 21:22:13,621 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 21:22:13,621 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 -> d9dc4c1afb888b23c0ebc469c8090d62842d0a0c5570d5e56681453b5bd49afb [2025-02-07 21:22:13,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 21:22:13,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 21:22:13,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 21:22:13,847 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 21:22:13,847 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 21:22:13,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c.p+lhb-reducer.c [2025-02-07 21:22:14,957 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/28f2515bb/c56774c4ad3b44b9858cc51bb581708f/FLAG36e80e616 [2025-02-07 21:22:15,387 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 21:22:15,388 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c.p+lhb-reducer.c [2025-02-07 21:22:15,397 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/28f2515bb/c56774c4ad3b44b9858cc51bb581708f/FLAG36e80e616 [2025-02-07 21:22:15,540 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/28f2515bb/c56774c4ad3b44b9858cc51bb581708f [2025-02-07 21:22:15,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 21:22:15,543 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 21:22:15,544 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 21:22:15,544 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 21:22:15,547 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 21:22:15,547 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:22:15" (1/1) ... [2025-02-07 21:22:15,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ce7a05d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:15, skipping insertion in model container [2025-02-07 21:22:15,548 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:22:15" (1/1) ... [2025-02-07 21:22:15,578 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 21:22:15,809 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.6.2.ufo.BOUNDED-12.pals.c.p+lhb-reducer.c[15364,15377] [2025-02-07 21:22:15,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:22:15,910 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 21:22:15,988 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.6.2.ufo.BOUNDED-12.pals.c.p+lhb-reducer.c[15364,15377] [2025-02-07 21:22:16,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:22:16,058 INFO L204 MainTranslator]: Completed translation [2025-02-07 21:22:16,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:16 WrapperNode [2025-02-07 21:22:16,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 21:22:16,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 21:22:16,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 21:22:16,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 21:22:16,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:16" (1/1) ... [2025-02-07 21:22:16,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:16" (1/1) ... [2025-02-07 21:22:16,121 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1712 [2025-02-07 21:22:16,122 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 21:22:16,122 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 21:22:16,122 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 21:22:16,123 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 21:22:16,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:16" (1/1) ... [2025-02-07 21:22:16,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:16" (1/1) ... [2025-02-07 21:22:16,137 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:16" (1/1) ... [2025-02-07 21:22:16,166 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 21:22:16,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:16" (1/1) ... [2025-02-07 21:22:16,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:16" (1/1) ... [2025-02-07 21:22:16,188 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:16" (1/1) ... [2025-02-07 21:22:16,190 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:16" (1/1) ... [2025-02-07 21:22:16,199 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:16" (1/1) ... [2025-02-07 21:22:16,202 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:16" (1/1) ... [2025-02-07 21:22:16,210 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 21:22:16,210 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 21:22:16,210 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 21:22:16,210 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 21:22:16,215 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:16" (1/1) ... [2025-02-07 21:22:16,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:22:16,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 21:22:16,260 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 21:22:16,266 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 21:22:16,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 21:22:16,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 21:22:16,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 21:22:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 21:22:16,403 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 21:22:16,405 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 21:22:17,462 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1951: havoc main_~node6____CPAchecker_TMP_0~2#1; [2025-02-07 21:22:17,462 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2151: havoc main_~node4____CPAchecker_TMP_1~2#1; [2025-02-07 21:22:17,462 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2812: havoc main_~node2____CPAchecker_TMP_0~3#1; [2025-02-07 21:22:17,462 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L567: 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 21:22:17,462 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1030: havoc main_~node5____CPAchecker_TMP_1~0#1; [2025-02-07 21:22:17,463 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1692: havoc main_~node3____CPAchecker_TMP_0~1#1; [2025-02-07 21:22:17,463 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L439: havoc main_~node2__m2~1#1; [2025-02-07 21:22:17,463 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2554: havoc main_~node5____CPAchecker_TMP_0~3#1; [2025-02-07 21:22:17,463 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L772: havoc main_~node4__m4~3#1; [2025-02-07 21:22:17,463 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2754: havoc main_~node3____CPAchecker_TMP_1~3#1; [2025-02-07 21:22:17,463 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L640: havoc main_~node5__m5~2#1; [2025-02-07 21:22:17,463 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L310: havoc main_~node3__m3~0#1; [2025-02-07 21:22:17,463 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1434: havoc main_~node6____CPAchecker_TMP_0~1#1; [2025-02-07 21:22:17,463 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1634: havoc main_~node4____CPAchecker_TMP_1~1#1; [2025-02-07 21:22:17,463 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L511: havoc main_~node6__m6~1#1; [2025-02-07 21:22:17,463 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2295: havoc main_~node2____CPAchecker_TMP_0~2#1; [2025-02-07 21:22:17,463 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1174: havoc main_~node3____CPAchecker_TMP_0~0#1; [2025-02-07 21:22:17,464 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2496: havoc main_~node6____CPAchecker_TMP_1~3#1; [2025-02-07 21:22:17,464 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2037: havoc main_~node5____CPAchecker_TMP_0~2#1; [2025-02-07 21:22:17,464 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L717: havoc main_~node1__m1~3#1;havoc main_~main____CPAchecker_TMP_0~2#1;havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2025-02-07 21:22:17,464 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2237: havoc main_~node3____CPAchecker_TMP_1~2#1; [2025-02-07 21:22:17,464 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L916: havoc main_~node6____CPAchecker_TMP_0~0#1; [2025-02-07 21:22:17,464 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2898: havoc main_~node1____CPAchecker_TMP_0~3#1; [2025-02-07 21:22:17,464 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L586: havoc main_~node2__m2~2#1; [2025-02-07 21:22:17,464 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1116: havoc main_~node4____CPAchecker_TMP_1~0#1; [2025-02-07 21:22:17,464 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1778: havoc main_~node2____CPAchecker_TMP_0~1#1; [2025-02-07 21:22:17,464 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L457: havoc main_~node3__m3~1#1; [2025-02-07 21:22:17,464 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1979: havoc main_~node6____CPAchecker_TMP_1~2#1; [2025-02-07 21:22:17,464 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L790: havoc main_~node5__m5~3#1; [2025-02-07 21:22:17,465 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L658: havoc main_~node6__m6~2#1; [2025-02-07 21:22:17,465 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2640: havoc main_~node4____CPAchecker_TMP_0~3#1; [2025-02-07 21:22:17,465 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L328: havoc main_~node4__m4~0#1; [2025-02-07 21:22:17,465 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2840: havoc main_~node2____CPAchecker_TMP_1~3#1; [2025-02-07 21:22:17,465 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1520: havoc main_~node5____CPAchecker_TMP_0~1#1; [2025-02-07 21:22:17,465 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L860: havoc main_~main____CPAchecker_TMP_0~3#1;havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2025-02-07 21:22:17,465 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1720: havoc main_~node3____CPAchecker_TMP_1~1#1; [2025-02-07 21:22:17,465 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2381: havoc main_~node1____CPAchecker_TMP_0~2#1; [2025-02-07 21:22:17,465 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1260: havoc main_~node2____CPAchecker_TMP_0~0#1; [2025-02-07 21:22:17,465 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2582: havoc main_~node5____CPAchecker_TMP_1~3#1; [2025-02-07 21:22:17,465 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1462: havoc main_~node6____CPAchecker_TMP_1~1#1; [2025-02-07 21:22:17,465 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L273: 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_~main____CPAchecker_TMP_0~3#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~3#1, main_~node6____CPAchecker_TMP_0~0#1, main_~node6____CPAchecker_TMP_1~0#1, main_~node6__m6~3#1, main_~node5____CPAchecker_TMP_0~0#1, main_~node5____CPAchecker_TMP_1~0#1, main_~node5__m5~3#1, main_~node4____CPAchecker_TMP_0~0#1, main_~node4____CPAchecker_TMP_1~0#1, main_~node4__m4~3#1, main_~node3____CPAchecker_TMP_0~0#1, main_~node3____CPAchecker_TMP_1~0#1, main_~node3__m3~3#1, main_~node2____CPAchecker_TMP_0~0#1, main_~node2____CPAchecker_TMP_1~0#1, main_~node2__m2~3#1, main_~node1____CPAchecker_TMP_0~0#1, main_~node1__m1~3#1, main_~main____CPAchecker_TMP_0~2#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~2#1, main_~node6____CPAchecker_TMP_0~1#1, main_~node6____CPAchecker_TMP_1~1#1, main_~node6__m6~2#1, main_~node5____CPAchecker_TMP_0~1#1, main_~node5____CPAchecker_TMP_1~1#1, main_~node5__m5~2#1, main_~node4____CPAchecker_TMP_0~1#1, main_~node4____CPAchecker_TMP_1~1#1, main_~node4__m4~2#1, main_~node3____CPAchecker_TMP_0~1#1, main_~node3____CPAchecker_TMP_1~1#1, main_~node3__m3~2#1, main_~node2____CPAchecker_TMP_0~1#1, main_~node2____CPAchecker_TMP_1~1#1, main_~node2__m2~2#1, main_~node1____CPAchecker_TMP_0~1#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_0~2#1, main_~node6____CPAchecker_TMP_1~2#1, main_~node6__m6~1#1, main_~node5____CPAchecker_TMP_0~2#1, main_~node5____CPAchecker_TMP_1~2#1, main_~node5__m5~1#1, main_~node4____CPAchecker_TMP_0~2#1, main_~node4____CPAchecker_TMP_1~2#1, main_~node4__m4~1#1, main_~node3____CPAchecker_TMP_0~2#1, main_~node3____CPAchecker_TMP_1~2#1, main_~node3__m3~1#1, main_~node2____CPAchecker_TMP_0~2#1, main_~node2____CPAchecker_TMP_1~2#1, main_~node2__m2~1#1, main_~node1____CPAchecker_TMP_0~2#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_0~3#1, main_~node6____CPAchecker_TMP_1~3#1, main_~node6__m6~0#1, main_~node5____CPAchecker_TMP_0~3#1, main_~node5____CPAchecker_TMP_1~3#1, main_~node5__m5~0#1, main_~node4____CPAchecker_TMP_0~3#1, main_~node4____CPAchecker_TMP_1~3#1, main_~node4__m4~0#1, main_~node3____CPAchecker_TMP_0~3#1, main_~node3____CPAchecker_TMP_1~3#1, main_~node3__m3~0#1, main_~node2____CPAchecker_TMP_0~3#1, main_~node2____CPAchecker_TMP_1~3#1, main_~node2__m2~0#1, main_~node1____CPAchecker_TMP_0~3#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 21:22:17,466 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2123: havoc main_~node4____CPAchecker_TMP_0~2#1; [2025-02-07 21:22:17,466 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L736: havoc main_~node2__m2~3#1; [2025-02-07 21:22:17,466 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L604: havoc main_~node3__m3~2#1; [2025-02-07 21:22:17,466 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2323: havoc main_~node2____CPAchecker_TMP_1~2#1; [2025-02-07 21:22:17,466 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002: havoc main_~node5____CPAchecker_TMP_0~0#1; [2025-02-07 21:22:17,466 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L475: havoc main_~node4__m4~1#1; [2025-02-07 21:22:17,466 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1202: havoc main_~node3____CPAchecker_TMP_1~0#1; [2025-02-07 21:22:17,466 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1864: havoc main_~node1____CPAchecker_TMP_0~1#1; [2025-02-07 21:22:17,466 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L808: havoc main_~node6__m6~3#1; [2025-02-07 21:22:17,466 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L346: havoc main_~node5__m5~0#1; [2025-02-07 21:22:17,466 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2065: havoc main_~node5____CPAchecker_TMP_1~2#1; [2025-02-07 21:22:17,466 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2726: havoc main_~node3____CPAchecker_TMP_0~3#1; [2025-02-07 21:22:17,466 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L944: havoc main_~node6____CPAchecker_TMP_1~0#1; [2025-02-07 21:22:17,466 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1606: havoc main_~node4____CPAchecker_TMP_0~1#1; [2025-02-07 21:22:17,466 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1806: havoc main_~node2____CPAchecker_TMP_1~1#1; [2025-02-07 21:22:17,466 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2468: havoc main_~node6____CPAchecker_TMP_0~3#1; [2025-02-07 21:22:17,466 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L420: 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; [2025-02-07 21:22:17,466 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1346: havoc main_~node1____CPAchecker_TMP_0~0#1; [2025-02-07 21:22:17,466 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2668: havoc main_~node4____CPAchecker_TMP_1~3#1; [2025-02-07 21:22:17,466 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L754: havoc main_~node3__m3~3#1; [2025-02-07 21:22:17,466 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L622: havoc main_~node4__m4~2#1; [2025-02-07 21:22:17,466 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L292: havoc main_~node2__m2~0#1; [2025-02-07 21:22:17,467 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 21:22:17,467 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1548: havoc main_~node5____CPAchecker_TMP_1~1#1; [2025-02-07 21:22:17,467 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2209: havoc main_~node3____CPAchecker_TMP_0~2#1; [2025-02-07 21:22:17,467 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L493: havoc main_~node5__m5~1#1; [2025-02-07 21:22:17,467 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1088: havoc main_~node4____CPAchecker_TMP_0~0#1; [2025-02-07 21:22:17,467 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1288: havoc main_~node2____CPAchecker_TMP_1~0#1; [2025-02-07 21:22:17,467 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L364: havoc main_~node6__m6~0#1; [2025-02-07 21:22:17,542 INFO L? ?]: Removed 325 outVars from TransFormulas that were not future-live. [2025-02-07 21:22:17,542 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 21:22:17,553 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 21:22:17,554 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 21:22:17,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:22:17 BoogieIcfgContainer [2025-02-07 21:22:17,554 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 21:22:17,556 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 21:22:17,556 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 21:22:17,559 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 21:22:17,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 09:22:15" (1/3) ... [2025-02-07 21:22:17,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528adb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:22:17, skipping insertion in model container [2025-02-07 21:22:17,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:16" (2/3) ... [2025-02-07 21:22:17,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528adb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:22:17, skipping insertion in model container [2025-02-07 21:22:17,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:22:17" (3/3) ... [2025-02-07 21:22:17,561 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c.p+lhb-reducer.c [2025-02-07 21:22:17,570 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 21:22:17,572 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c.p+lhb-reducer.c that has 1 procedures, 553 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-07 21:22:17,611 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 21:22:17,618 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;@4e630762, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 21:22:17,618 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 21:22:17,622 INFO L276 IsEmpty]: Start isEmpty. Operand has 552 states, 316 states have (on average 1.9968354430379747) internal successors, (631), 551 states have internal predecessors, (631), 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 21:22:17,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-02-07 21:22:17,631 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 21:22:17,632 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, 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 21:22:17,632 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 21:22:17,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 21:22:17,636 INFO L85 PathProgramCache]: Analyzing trace with hash -2017100994, now seen corresponding path program 1 times [2025-02-07 21:22:17,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 21:22:17,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838708410] [2025-02-07 21:22:17,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 21:22:17,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 21:22:17,715 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-02-07 21:22:17,762 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-02-07 21:22:17,762 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 21:22:17,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 21:22:18,043 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 21:22:18,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 21:22:18,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838708410] [2025-02-07 21:22:18,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838708410] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 21:22:18,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 21:22:18,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-07 21:22:18,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461188917] [2025-02-07 21:22:18,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 21:22:18,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-07 21:22:18,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 21:22:18,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-07 21:22:18,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-07 21:22:18,063 INFO L87 Difference]: Start difference. First operand has 552 states, 316 states have (on average 1.9968354430379747) internal successors, (631), 551 states have internal predecessors, (631), 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 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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 21:22:18,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 21:22:18,096 INFO L93 Difference]: Finished difference Result 553 states and 631 transitions. [2025-02-07 21:22:18,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-07 21:22:18,098 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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 156 [2025-02-07 21:22:18,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 21:22:18,101 INFO L225 Difference]: With dead ends: 553 [2025-02-07 21:22:18,101 INFO L226 Difference]: Without dead ends: 0 [2025-02-07 21:22:18,103 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 21:22:18,105 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 43 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 103 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 21:22:18,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 103 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-07 21:22:18,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-07 21:22:18,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-07 21:22:18,118 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 21:22:18,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-07 21:22:18,121 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 156 [2025-02-07 21:22:18,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 21:22:18,121 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-07 21:22:18,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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 21:22:18,121 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-07 21:22:18,122 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 21:22:18,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 21:22:18,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 21:22:18,125 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-07 21:22:18,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-07 21:22:18,130 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 21:22:18,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 09:22:18 BoogieIcfgContainer [2025-02-07 21:22:18,135 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 21:22:18,135 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 21:22:18,136 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 21:22:18,136 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 21:22:18,136 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:22:17" (3/4) ... [2025-02-07 21:22:18,137 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 21:22:18,156 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-07 21:22:18,157 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-07 21:22:18,158 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-07 21:22:18,159 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 21:22:18,289 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 21:22:18,289 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 21:22:18,289 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 21:22:18,290 INFO L158 Benchmark]: Toolchain (without parser) took 2746.75ms. Allocated memory is still 167.8MB. Free memory was 131.2MB in the beginning and 121.5MB in the end (delta: 9.7MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. [2025-02-07 21:22:18,290 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 226.5MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 21:22:18,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 514.94ms. Allocated memory is still 167.8MB. Free memory was 130.7MB in the beginning and 99.0MB in the end (delta: 31.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-07 21:22:18,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.83ms. Allocated memory is still 167.8MB. Free memory was 99.0MB in the beginning and 92.5MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 21:22:18,290 INFO L158 Benchmark]: Boogie Preprocessor took 87.36ms. Allocated memory is still 167.8MB. Free memory was 92.5MB in the beginning and 87.4MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 21:22:18,291 INFO L158 Benchmark]: IcfgBuilder took 1344.07ms. Allocated memory is still 167.8MB. Free memory was 87.4MB in the beginning and 123.9MB in the end (delta: -36.5MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2025-02-07 21:22:18,291 INFO L158 Benchmark]: TraceAbstraction took 579.23ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 58.9MB in the end (delta: 64.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-02-07 21:22:18,291 INFO L158 Benchmark]: Witness Printer took 153.61ms. Allocated memory is still 167.8MB. Free memory was 58.9MB in the beginning and 121.5MB in the end (delta: -62.7MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2025-02-07 21:22:18,292 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 226.5MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 514.94ms. Allocated memory is still 167.8MB. Free memory was 130.7MB in the beginning and 99.0MB in the end (delta: 31.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.83ms. Allocated memory is still 167.8MB. Free memory was 99.0MB in the beginning and 92.5MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.36ms. Allocated memory is still 167.8MB. Free memory was 92.5MB in the beginning and 87.4MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 1344.07ms. Allocated memory is still 167.8MB. Free memory was 87.4MB in the beginning and 123.9MB in the end (delta: -36.5MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. * TraceAbstraction took 579.23ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 58.9MB in the end (delta: 64.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Witness Printer took 153.61ms. Allocated memory is still 167.8MB. Free memory was 58.9MB in the beginning and 121.5MB in the end (delta: -62.7MB). Peak memory consumption was 19.4MB. 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: 856]: 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, 553 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 43 mSDsluCounter, 103 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 93 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=552occurred 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, 0.3s InterpolantComputationTime, 156 NumberOfCodeBlocks, 156 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 155 ConstructedInterpolants, 0 QuantifiedInterpolants, 307 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 21:22:18,305 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 Result: TRUE