./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+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/loop-industry-pattern/aiob_4.c.v+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 de5a591efb40e891e226106d8590a7409596f3a27aca8b697af826abd4fe5201 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 20:17:28,532 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 20:17:28,578 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 20:17:28,582 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 20:17:28,583 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 20:17:28,602 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 20:17:28,603 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 20:17:28,603 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 20:17:28,603 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 20:17:28,603 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 20:17:28,604 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 20:17:28,604 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 20:17:28,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 20:17:28,604 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 20:17:28,604 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 20:17:28,605 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 20:17:28,605 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 20:17:28,605 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 20:17:28,605 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 20:17:28,605 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 20:17:28,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 20:17:28,605 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 20:17:28,605 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 20:17:28,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 20:17:28,605 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 20:17:28,605 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 20:17:28,605 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 20:17:28,605 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 20:17:28,605 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 20:17:28,605 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 20:17:28,606 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 20:17:28,606 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 20:17:28,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 20:17:28,606 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 20:17:28,606 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 20:17:28,606 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 20:17:28,606 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 20:17:28,606 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 20:17:28,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 20:17:28,606 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 20:17:28,606 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 20:17:28,606 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 20:17:28,606 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 20:17:28,606 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 -> de5a591efb40e891e226106d8590a7409596f3a27aca8b697af826abd4fe5201 [2025-02-07 20:17:28,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 20:17:28,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 20:17:28,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 20:17:28,827 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 20:17:28,827 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 20:17:28,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2025-02-07 20:17:29,912 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/34a541c18/228435ed6c854f22bab7d1661674b475/FLAGd965af100 [2025-02-07 20:17:30,192 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 20:17:30,192 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2025-02-07 20:17:30,208 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/34a541c18/228435ed6c854f22bab7d1661674b475/FLAGd965af100 [2025-02-07 20:17:30,482 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/34a541c18/228435ed6c854f22bab7d1661674b475 [2025-02-07 20:17:30,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 20:17:30,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 20:17:30,488 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 20:17:30,488 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 20:17:30,491 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 20:17:30,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 08:17:30" (1/1) ... [2025-02-07 20:17:30,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36c26def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:17:30, skipping insertion in model container [2025-02-07 20:17:30,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 08:17:30" (1/1) ... [2025-02-07 20:17:30,518 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 20:17:30,701 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/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c[15516,15529] [2025-02-07 20:17:30,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 20:17:30,721 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 20:17:30,776 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/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c[15516,15529] [2025-02-07 20:17:30,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 20:17:30,793 INFO L204 MainTranslator]: Completed translation [2025-02-07 20:17:30,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:17:30 WrapperNode [2025-02-07 20:17:30,794 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 20:17:30,795 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 20:17:30,795 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 20:17:30,795 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 20:17:30,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:17:30" (1/1) ... [2025-02-07 20:17:30,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:17:30" (1/1) ... [2025-02-07 20:17:30,834 INFO L138 Inliner]: procedures = 18, calls = 292, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 834 [2025-02-07 20:17:30,834 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 20:17:30,835 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 20:17:30,835 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 20:17:30,835 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 20:17:30,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:17:30" (1/1) ... [2025-02-07 20:17:30,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:17:30" (1/1) ... [2025-02-07 20:17:30,845 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:17:30" (1/1) ... [2025-02-07 20:17:30,864 INFO L175 MemorySlicer]: Split 189 memory accesses to 5 slices as follows [2, 137, 7, 2, 41]. 72 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 0, 7, 2, 0]. The 127 writes are split as follows [0, 127, 0, 0, 0]. [2025-02-07 20:17:30,865 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:17:30" (1/1) ... [2025-02-07 20:17:30,865 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:17:30" (1/1) ... [2025-02-07 20:17:30,877 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:17:30" (1/1) ... [2025-02-07 20:17:30,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:17:30" (1/1) ... [2025-02-07 20:17:30,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:17:30" (1/1) ... [2025-02-07 20:17:30,881 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:17:30" (1/1) ... [2025-02-07 20:17:30,884 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 20:17:30,889 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 20:17:30,889 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 20:17:30,889 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 20:17:30,890 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:17:30" (1/1) ... [2025-02-07 20:17:30,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 20:17:30,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 20:17:30,912 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 20:17:30,917 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 20:17:30,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-07 20:17:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-07 20:17:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-07 20:17:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-07 20:17:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-07 20:17:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 20:17:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 20:17:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-07 20:17:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-07 20:17:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-07 20:17:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-07 20:17:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-07 20:17:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-07 20:17:30,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-07 20:17:30,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-07 20:17:30,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-07 20:17:30,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 20:17:30,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 20:17:30,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 20:17:30,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-07 20:17:30,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-07 20:17:30,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-07 20:17:30,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-07 20:17:30,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-07 20:17:30,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 20:17:31,044 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 20:17:31,046 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 20:17:36,128 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 20:17:36,128 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L441: havoc main_~Id_MCDC_89____CPAchecker_TMP_2~9#1;havoc main_~__tmp_11~0#1, main_~__VERIFIER_assert__Id_MCDC_92~9#1; [2025-02-07 20:17:36,128 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L408: havoc main_~Id_MCDC_89____CPAchecker_TMP_2~8#1, main_~Id_MCDC_89____CPAchecker_TMP_0~9#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~9#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~9#1;havoc main_~__tmp_10~0#1, main_~__VERIFIER_assert__Id_MCDC_92~8#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~7#1, main_~Id_MCDC_89____CPAchecker_TMP_0~8#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~8#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~8#1;havoc main_~__tmp_9~0#1, main_~__VERIFIER_assert__Id_MCDC_92~7#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~6#1, main_~Id_MCDC_89____CPAchecker_TMP_0~7#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~7#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~7#1;havoc main_~__tmp_8~0#1, main_~__VERIFIER_assert__Id_MCDC_92~6#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~5#1, main_~Id_MCDC_89____CPAchecker_TMP_0~6#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~6#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~6#1;havoc main_~__tmp_7~0#1, main_~__VERIFIER_assert__Id_MCDC_92~5#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~4#1, main_~Id_MCDC_89____CPAchecker_TMP_0~5#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~5#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~5#1;havoc main_~__tmp_6~0#1, main_~__VERIFIER_assert__Id_MCDC_92~4#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~3#1, main_~Id_MCDC_89____CPAchecker_TMP_0~4#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~4#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~4#1;havoc main_~__tmp_5~0#1, main_~__VERIFIER_assert__Id_MCDC_92~3#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~2#1, main_~Id_MCDC_89____CPAchecker_TMP_0~3#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~3#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~3#1;havoc main_~__tmp_4~0#1, main_~__VERIFIER_assert__Id_MCDC_92~2#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~1#1, main_~Id_MCDC_89____CPAchecker_TMP_0~2#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~2#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~2#1;havoc main_~__tmp_3~0#1, main_~__VERIFIER_assert__Id_MCDC_92~1#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~0#1, main_~Id_MCDC_89____CPAchecker_TMP_0~1#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~1#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~1#1;havoc main_~__tmp_2~0#1, main_~__VERIFIER_assert__Id_MCDC_92~0#1;call ULTIMATE.dealloc(main_~#Id_MCDC_89__Id_MCDC_95~0#1.base, main_~#Id_MCDC_89__Id_MCDC_95~0#1.offset);havoc main_~#Id_MCDC_89__Id_MCDC_95~0#1.base, main_~#Id_MCDC_89__Id_MCDC_95~0#1.offset;havoc main_~__tmp_1~0#1.base, main_~__tmp_1~0#1.offset, main_~Id_MCDC_89__Id_MCDC_88~0#1.base, main_~Id_MCDC_89__Id_MCDC_88~0#1.offset, main_~Id_MCDC_89__Id_MCDC_94~0#1.base, main_~Id_MCDC_89__Id_MCDC_94~0#1.offset, main_~#Id_MCDC_89__Id_MCDC_95~0#1.base, main_~#Id_MCDC_89__Id_MCDC_95~0#1.offset, main_~Id_MCDC_89__Id_MCDC_96~0#1, main_~Id_MCDC_89____CPAchecker_TMP_0~0#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~0#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~0#1;call ULTIMATE.dealloc(main_~#main__Id_MCDC_119~0#1.base, main_~#main__Id_MCDC_119~0#1.offset);havoc main_~#main__Id_MCDC_119~0#1.base, main_~#main__Id_MCDC_119~0#1.offset;#t~ret56#1 := main_#res#1;havoc main_#t~nondet4#1.base, main_#t~nondet4#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_#t~mem30#1.base, main_#t~mem30#1.offset, main_#t~mem31#1.base, main_#t~mem31#1.offset, main_#t~mem32#1.base, main_#t~mem32#1.offset, main_#t~mem33#1.base, main_#t~mem33#1.offset, main_#t~mem34#1.base, main_#t~mem34#1.offset, main_#t~mem35#1.base, main_#t~mem35#1.offset, main_#t~mem36#1.base, main_#t~mem36#1.offset, main_#t~mem37#1.base, main_#t~mem37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~mem39#1.base, main_#t~mem39#1.offset, main_#t~mem40#1.base, main_#t~mem40#1.offset, main_#t~mem41#1.base, main_#t~mem41#1.offset, main_#t~mem42#1.base, main_#t~mem42#1.offset, main_#t~mem43#1.base, main_#t~mem43#1.offset, main_#t~mem44#1.base, main_#t~mem44#1.offset, main_#t~mem45#1.base, main_#t~mem45#1.offset, main_#t~mem46#1, main_#t~mem47#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~mem50#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem55#1, main_~Id_MCDC_89____CPAchecker_TMP_2~9#1, main_~__tmp_11~0#1, main_~__VERIFIER_assert__Id_MCDC_92~9#1, main_~__tmp_12~0#1, main_~__VERIFIER_assert__Id_MCDC_92~10#1, main_~Id_MCDC_89____CPAchecker_TMP_2~8#1, main_~Id_MCDC_89____CPAchecker_TMP_0~9#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~9#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~9#1, main_~__tmp_10~0#1, main_~__VERIFIER_assert__Id_MCDC_92~8#1, main_~Id_MCDC_89____CPAchecker_TMP_2~7#1, main_~Id_MCDC_89____CPAchecker_TMP_0~8#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~8#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~8#1, main_~__tmp_9~0#1, main_~__VERIFIER_assert__Id_MCDC_92~7#1, main_~Id_MCDC_89____CPAchecker_TMP_2~6#1, main_~Id_MCDC_89____CPAchecker_TMP_0~7#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~7#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~7#1, main_~__tmp_8~0#1, main_~__VERIFIER_assert__Id_MCDC_92~6#1, main_~Id_MCDC_89____CPAchecker_TMP_2~5#1, main_~Id_MCDC_89____CPAchecker_TMP_0~6#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~6#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~6#1, main_~__tmp_7~0#1, main_~__VERIFIER_assert__Id_MCDC_92~5#1, main_~Id_MCDC_89____CPAchecker_TMP_2~4#1, main_~Id_MCDC_89____CPAchecker_TMP_0~5#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~5#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~5#1, main_~__tmp_6~0#1, main_~__VERIFIER_assert__Id_MCDC_92~4#1, main_~Id_MCDC_89____CPAchecker_TMP_2~3#1, main_~Id_MCDC_89____CPAchecker_TMP_0~4#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~4#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~4#1, main_~__tmp_5~0#1, main_~__VERIFIER_assert__Id_MCDC_92~3#1, main_~Id_MCDC_89____CPAchecker_TMP_2~2#1, main_~Id_MCDC_89____CPAchecker_TMP_0~3#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~3#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~3#1, main_~__tmp_4~0#1, main_~__VERIFIER_assert__Id_MCDC_92~2#1, main_~Id_MCDC_89____CPAchecker_TMP_2~1#1, main_~Id_MCDC_89____CPAchecker_TMP_0~2#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~2#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~2#1, main_~__tmp_3~0#1, main_~__VERIFIER_assert__Id_MCDC_92~1#1, main_~Id_MCDC_89____CPAchecker_TMP_2~0#1, main_~Id_MCDC_89____CPAchecker_TMP_0~1#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~1#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~1#1, main_~__tmp_2~0#1, main_~__VERIFIER_assert__Id_MCDC_92~0#1, main_~__tmp_1~0#1.base, main_~__tmp_1~0#1.offset, main_~Id_MCDC_89__Id_MCDC_88~0#1.base, main_~Id_MCDC_89__Id_MCDC_88~0#1.offset, main_~Id_MCDC_89__Id_MCDC_94~0#1.base, main_~Id_MCDC_89__Id_MCDC_94~0#1.offset, main_~#Id_MCDC_89__Id_MCDC_95~0#1.base, main_~#Id_MCDC_89__Id_MCDC_95~0#1.offset, main_~Id_MCDC_89__Id_MCDC_96~0#1, main_~Id_MCDC_89____CPAchecker_TMP_0~0#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~0#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~0#1, main_~main__Id_MCDC_97~0#1.base, main_~main__Id_MCDC_97~0#1.offset, main_~main__Id_MCDC_98~0#1.base, main_~main__Id_MCDC_98~0#1.offset, main_~main__Id_MCDC_99~0#1.base, main_~main__Id_MCDC_99~0#1.offset, main_~main__Id_MCDC_100~0#1.base, main_~main__Id_MCDC_100~0#1.offset, main_~main__Id_MCDC_101~0#1.base, main_~main__Id_MCDC_101~0#1.offset, main_~main__Id_MCDC_102~0#1.base, main_~main__Id_MCDC_102~0#1.offset, main_~main__Id_MCDC_103~0#1, main_~main__Id_MCDC_104~0#1, main_~main__Id_MCDC_105~0#1, main_~main__Id_MCDC_106~0#1, main_~main__Id_MCDC_107~0#1, main_~main__Id_MCDC_108~0#1, main_~main__Id_MCDC_109~0#1, main_~main__Id_MCDC_110~0#1, main_~main__Id_MCDC_111~0#1, main_~main__Id_MCDC_112~0#1.base, main_~main__Id_MCDC_112~0#1.offset, main_~main__Id_MCDC_113~0#1, main_~main__Id_MCDC_114~0#1, main_~main__Id_MCDC_115~0#1, main_~main__Id_MCDC_116~0#1, main_~main__Id_MCDC_117~0#1, main_~main__Id_MCDC_118~0#1, main_~#main__Id_MCDC_119~0#1.base, main_~#main__Id_MCDC_119~0#1.offset, main_~main__Id_MCDC_120~0#1.Id_MCDC_38.base, main_~main__Id_MCDC_120~0#1.Id_MCDC_38.offset, main_~main__Id_MCDC_120~0#1.Id_MCDC_39.base, main_~main__Id_MCDC_120~0#1.Id_MCDC_39.offset, main_~main__Id_MCDC_120~0#1.Id_MCDC_40.base, main_~main__Id_MCDC_120~0#1.Id_MCDC_40.offset, main_~main__Id_MCDC_120~0#1.Id_MCDC_41.base, main_~main__Id_MCDC_120~0#1.Id_MCDC_41.offset, main_~main__Id_MCDC_120~0#1.Id_MCDC_42.base, main_~main__Id_MCDC_120~0#1.Id_MCDC_42.offset, main_~main__Id_MCDC_120~0#1.Id_MCDC_43.base, main_~main__Id_MCDC_120~0#1.Id_MCDC_43.offset, main_~main__Id_MCDC_120~0#1.Id_MCDC_44.base, main_~main__Id_MCDC_120~0#1.Id_MCDC_44.offset, main_~main__Id_MCDC_120~0#1.Id_MCDC_45.base, main_~main__Id_MCDC_120~0#1.Id_MCDC_45.offset, main_~main__Id_MCDC_120~0#1.Id_MCDC_46.base, main_~main__Id_MCDC_120~0#1.Id_MCDC_46.offset, main_~main__Id_MCDC_121~0#1.Id_MCDC_29.base, main_~main__Id_MCDC_121~0#1.Id_MCDC_29.offset, main_~main__Id_MCDC_121~0#1.Id_MCDC_30.base, main_~main__Id_MCDC_121~0#1.Id_MCDC_30.offset, main_~main__Id_MCDC_121~0#1.Id_MCDC_31.base, main_~main__Id_MCDC_121~0#1.Id_MCDC_31.offset, main_~main__Id_MCDC_121~0#1.Id_MCDC_32.base, main_~main__Id_MCDC_121~0#1.Id_MCDC_32.offset, main_~main__Id_MCDC_121~0#1.Id_MCDC_33.base, main_~main__Id_MCDC_121~0#1.Id_MCDC_33.offset, main_~main__Id_MCDC_121~0#1.Id_MCDC_34.base, main_~main__Id_MCDC_121~0#1.Id_MCDC_34.offset, main_~main__Id_MCDC_121~0#1.Id_MCDC_35.base, main_~main__Id_MCDC_121~0#1.Id_MCDC_35.offset, main_~main__Id_MCDC_121~0#1.Id_MCDC_36.base, main_~main__Id_MCDC_121~0#1.Id_MCDC_36.offset, main_~main__Id_MCDC_121~0#1.Id_MCDC_37.base, main_~main__Id_MCDC_121~0#1.Id_MCDC_37.offset;assume { :end_inline_main } true; [2025-02-07 20:17:36,129 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L460: havoc main_~__tmp_12~0#1, main_~__VERIFIER_assert__Id_MCDC_92~10#1; [2025-02-07 20:17:36,169 INFO L? ?]: Removed 120 outVars from TransFormulas that were not future-live. [2025-02-07 20:17:36,169 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 20:17:36,179 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 20:17:36,179 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 20:17:36,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 08:17:36 BoogieIcfgContainer [2025-02-07 20:17:36,180 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 20:17:36,203 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 20:17:36,204 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 20:17:36,213 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 20:17:36,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 08:17:30" (1/3) ... [2025-02-07 20:17:36,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dfb89fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 08:17:36, skipping insertion in model container [2025-02-07 20:17:36,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:17:30" (2/3) ... [2025-02-07 20:17:36,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dfb89fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 08:17:36, skipping insertion in model container [2025-02-07 20:17:36,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 08:17:36" (3/3) ... [2025-02-07 20:17:36,214 INFO L128 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+lhb-reducer.c [2025-02-07 20:17:36,227 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 20:17:36,228 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aiob_4.c.v+lhb-reducer.c that has 1 procedures, 48 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-07 20:17:36,273 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 20:17:36,282 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;@7abf126c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 20:17:36,284 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 20:17:36,286 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 44 states have (on average 1.9772727272727273) internal successors, (87), 46 states have internal predecessors, (87), 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 20:17:36,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-07 20:17:36,291 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 20:17:36,291 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] [2025-02-07 20:17:36,292 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 20:17:36,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 20:17:36,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1376425263, now seen corresponding path program 1 times [2025-02-07 20:17:36,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 20:17:36,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368740735] [2025-02-07 20:17:36,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 20:17:36,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 20:17:40,337 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-07 20:17:40,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-07 20:17:40,644 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 20:17:40,644 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 20:17:43,724 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 20:17:43,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 20:17:43,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368740735] [2025-02-07 20:17:43,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368740735] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 20:17:43,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 20:17:43,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-02-07 20:17:43,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637783481] [2025-02-07 20:17:43,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 20:17:43,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-07 20:17:43,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 20:17:43,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-07 20:17:43,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2025-02-07 20:17:43,743 INFO L87 Difference]: Start difference. First operand has 47 states, 44 states have (on average 1.9772727272727273) internal successors, (87), 46 states have internal predecessors, (87), 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 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 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 20:17:47,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-07 20:17:52,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-07 20:17:56,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-07 20:18:00,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-07 20:18:04,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-07 20:18:09,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-07 20:18:13,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-07 20:18:17,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-07 20:18:21,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-07 20:18:25,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-07 20:18:29,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-07 20:18:34,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 20:18:34,472 INFO L93 Difference]: Finished difference Result 57 states and 87 transitions. [2025-02-07 20:18:34,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-07 20:18:34,474 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 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 42 [2025-02-07 20:18:34,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 20:18:34,477 INFO L225 Difference]: With dead ends: 57 [2025-02-07 20:18:34,477 INFO L226 Difference]: Without dead ends: 0 [2025-02-07 20:18:34,478 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2025-02-07 20:18:34,479 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 57 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 15 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.6s IncrementalHoareTripleChecker+Time [2025-02-07 20:18:34,480 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 342 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 339 Invalid, 11 Unknown, 0 Unchecked, 49.6s Time] [2025-02-07 20:18:34,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-07 20:18:34,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-07 20:18:34,492 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 20:18:34,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-07 20:18:34,494 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2025-02-07 20:18:34,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 20:18:34,494 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-07 20:18:34,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 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 20:18:34,495 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-07 20:18:34,495 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 20:18:34,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 20:18:34,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 20:18:34,498 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-07 20:18:34,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-07 20:18:34,503 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 20:18:34,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 08:18:34 BoogieIcfgContainer [2025-02-07 20:18:34,506 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 20:18:34,507 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 20:18:34,507 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 20:18:34,507 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 20:18:34,508 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 08:17:36" (3/4) ... [2025-02-07 20:18:34,509 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 20:18:34,519 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2025-02-07 20:18:34,521 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-02-07 20:18:34,521 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-07 20:18:34,522 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-07 20:18:34,524 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 20:18:34,687 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 20:18:34,687 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 20:18:34,687 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 20:18:34,688 INFO L158 Benchmark]: Toolchain (without parser) took 64202.31ms. Allocated memory was 167.8MB in the beginning and 645.9MB in the end (delta: 478.2MB). Free memory was 123.7MB in the beginning and 510.5MB in the end (delta: -386.8MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB. [2025-02-07 20:18:34,688 INFO L158 Benchmark]: CDTParser took 1.12ms. Allocated memory is still 201.3MB. Free memory is still 116.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 20:18:34,688 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.43ms. Allocated memory is still 167.8MB. Free memory was 123.7MB in the beginning and 102.5MB in the end (delta: 21.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 20:18:34,688 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.81ms. Allocated memory is still 167.8MB. Free memory was 102.5MB in the beginning and 97.2MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 20:18:34,689 INFO L158 Benchmark]: Boogie Preprocessor took 49.28ms. Allocated memory is still 167.8MB. Free memory was 97.2MB in the beginning and 91.0MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 20:18:34,689 INFO L158 Benchmark]: IcfgBuilder took 5291.01ms. Allocated memory is still 167.8MB. Free memory was 91.0MB in the beginning and 48.1MB in the end (delta: 43.0MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. [2025-02-07 20:18:34,689 INFO L158 Benchmark]: TraceAbstraction took 58303.03ms. Allocated memory was 167.8MB in the beginning and 645.9MB in the end (delta: 478.2MB). Free memory was 129.3MB in the beginning and 532.5MB in the end (delta: -403.3MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. [2025-02-07 20:18:34,689 INFO L158 Benchmark]: Witness Printer took 180.40ms. Allocated memory is still 645.9MB. Free memory was 532.5MB in the beginning and 510.5MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-07 20:18:34,690 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.12ms. Allocated memory is still 201.3MB. Free memory is still 116.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.43ms. Allocated memory is still 167.8MB. Free memory was 123.7MB in the beginning and 102.5MB in the end (delta: 21.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.81ms. Allocated memory is still 167.8MB. Free memory was 102.5MB in the beginning and 97.2MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.28ms. Allocated memory is still 167.8MB. Free memory was 97.2MB in the beginning and 91.0MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 5291.01ms. Allocated memory is still 167.8MB. Free memory was 91.0MB in the beginning and 48.1MB in the end (delta: 43.0MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. * TraceAbstraction took 58303.03ms. Allocated memory was 167.8MB in the beginning and 645.9MB in the end (delta: 478.2MB). Free memory was 129.3MB in the beginning and 532.5MB in the end (delta: -403.3MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. * Witness Printer took 180.40ms. Allocated memory is still 645.9MB. Free memory was 532.5MB in the beginning and 510.5MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. 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: 467]: 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, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 58.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 50.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 11 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 49.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 57 mSDsluCounter, 342 SdHoareTripleChecker+Invalid, 48.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 308 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 339 IncrementalHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 34 mSDtfsCounter, 339 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 0.3s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 41 ConstructedInterpolants, 0 QuantifiedInterpolants, 177 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 20:18:34,817 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