./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+nlh-reducer.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e486f0f9d7d5faf0af2c33128bdcb8eeb95bb04afff03e23e86c60ceb8da8466 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 06:46:21,283 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 06:46:21,345 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-02-08 06:46:21,349 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 06:46:21,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 06:46:21,370 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 06:46:21,375 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 06:46:21,375 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 06:46:21,375 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 06:46:21,375 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 06:46:21,376 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 06:46:21,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 06:46:21,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 06:46:21,376 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 06:46:21,376 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 06:46:21,376 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 06:46:21,380 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 06:46:21,380 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 06:46:21,380 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 06:46:21,380 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 06:46:21,380 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 06:46:21,380 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 06:46:21,380 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-02-08 06:46:21,380 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 06:46:21,380 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 06:46:21,380 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 06:46:21,380 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 06:46:21,380 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 06:46:21,380 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 06:46:21,380 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 06:46:21,380 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 06:46:21,380 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 06:46:21,380 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 06:46:21,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 06:46:21,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 06:46:21,381 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 06:46:21,381 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 06:46:21,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 06:46:21,381 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 06:46:21,381 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 06:46:21,381 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 06:46:21,381 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 06:46:21,381 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> e486f0f9d7d5faf0af2c33128bdcb8eeb95bb04afff03e23e86c60ceb8da8466 [2025-02-08 06:46:21,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 06:46:21,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 06:46:21,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 06:46:21,653 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 06:46:21,654 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 06:46:21,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+nlh-reducer.c [2025-02-08 06:46:22,860 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/526dad2ee/e36759abbee241dfb105d5f6acf93889/FLAGc65b034da [2025-02-08 06:46:23,130 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 06:46:23,131 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+nlh-reducer.c [2025-02-08 06:46:23,140 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/526dad2ee/e36759abbee241dfb105d5f6acf93889/FLAGc65b034da [2025-02-08 06:46:23,152 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/526dad2ee/e36759abbee241dfb105d5f6acf93889 [2025-02-08 06:46:23,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 06:46:23,155 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 06:46:23,156 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 06:46:23,156 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 06:46:23,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 06:46:23,160 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 06:46:23" (1/1) ... [2025-02-08 06:46:23,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6992a60a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:46:23, skipping insertion in model container [2025-02-08 06:46:23,161 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 06:46:23" (1/1) ... [2025-02-08 06:46:23,218 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 06:46:23,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 06:46:23,514 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 06:46:23,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 06:46:23,635 INFO L204 MainTranslator]: Completed translation [2025-02-08 06:46:23,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:46:23 WrapperNode [2025-02-08 06:46:23,636 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 06:46:23,637 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 06:46:23,637 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 06:46:23,638 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 06:46:23,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:46:23" (1/1) ... [2025-02-08 06:46:23,665 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:46:23" (1/1) ... [2025-02-08 06:46:23,706 INFO L138 Inliner]: procedures = 18, calls = 620, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2285 [2025-02-08 06:46:23,708 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 06:46:23,709 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 06:46:23,709 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 06:46:23,710 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 06:46:23,715 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:46:23" (1/1) ... [2025-02-08 06:46:23,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:46:23" (1/1) ... [2025-02-08 06:46:23,724 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:46:23" (1/1) ... [2025-02-08 06:46:23,762 INFO L175 MemorySlicer]: Split 221 memory accesses to 5 slices as follows [2, 7, 169, 2, 41]. 76 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 7, 0, 2, 0]. The 127 writes are split as follows [0, 0, 127, 0, 0]. [2025-02-08 06:46:23,764 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:46:23" (1/1) ... [2025-02-08 06:46:23,764 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:46:23" (1/1) ... [2025-02-08 06:46:23,808 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:46:23" (1/1) ... [2025-02-08 06:46:23,812 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:46:23" (1/1) ... [2025-02-08 06:46:23,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:46:23" (1/1) ... [2025-02-08 06:46:23,826 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:46:23" (1/1) ... [2025-02-08 06:46:23,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 06:46:23,838 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 06:46:23,838 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 06:46:23,838 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 06:46:23,839 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:46:23" (1/1) ... [2025-02-08 06:46:23,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 06:46:23,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:46:23,866 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) [2025-02-08 06:46:23,869 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 [2025-02-08 06:46:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 06:46:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 06:46:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 06:46:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 06:46:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 06:46:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 06:46:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 06:46:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 06:46:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 06:46:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 06:46:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 06:46:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 06:46:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 06:46:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 06:46:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 06:46:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 06:46:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 06:46:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 06:46:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 06:46:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 06:46:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 06:46:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 06:46:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 06:46:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 06:46:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 06:46:24,059 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 06:46:24,061 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 06:46:31,006 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1280: havoc main_~__tmp_44~0#1, main_~__VERIFIER_assert__Id_MCDC_92~42#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~41#1, main_~Id_MCDC_89____CPAchecker_TMP_0~42#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~42#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~42#1;havoc main_~__tmp_43~0#1, main_~__VERIFIER_assert__Id_MCDC_92~41#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~40#1, main_~Id_MCDC_89____CPAchecker_TMP_0~41#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~41#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~41#1;havoc main_~__tmp_42~0#1, main_~__VERIFIER_assert__Id_MCDC_92~40#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~39#1, main_~Id_MCDC_89____CPAchecker_TMP_0~40#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~40#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~40#1;havoc main_~__tmp_41~0#1, main_~__VERIFIER_assert__Id_MCDC_92~39#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~38#1, main_~Id_MCDC_89____CPAchecker_TMP_0~39#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~39#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~39#1;havoc main_~__tmp_40~0#1, main_~__VERIFIER_assert__Id_MCDC_92~38#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~37#1, main_~Id_MCDC_89____CPAchecker_TMP_0~38#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~38#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~38#1;havoc main_~__tmp_39~0#1, main_~__VERIFIER_assert__Id_MCDC_92~37#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~36#1, main_~Id_MCDC_89____CPAchecker_TMP_0~37#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~37#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~37#1;havoc main_~__tmp_38~0#1, main_~__VERIFIER_assert__Id_MCDC_92~36#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~35#1, main_~Id_MCDC_89____CPAchecker_TMP_0~36#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~36#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~36#1;havoc main_~__tmp_37~0#1, main_~__VERIFIER_assert__Id_MCDC_92~35#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~34#1, main_~Id_MCDC_89____CPAchecker_TMP_0~35#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~35#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~35#1;havoc main_~__tmp_36~0#1, main_~__VERIFIER_assert__Id_MCDC_92~34#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~33#1, main_~Id_MCDC_89____CPAchecker_TMP_0~34#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~34#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~34#1;havoc main_~__tmp_35~0#1, main_~__VERIFIER_assert__Id_MCDC_92~33#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~32#1, main_~Id_MCDC_89____CPAchecker_TMP_0~33#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~33#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~33#1;havoc main_~__tmp_34~0#1, main_~__VERIFIER_assert__Id_MCDC_92~32#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~31#1, main_~Id_MCDC_89____CPAchecker_TMP_0~32#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~32#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~32#1;havoc main_~__tmp_33~0#1, main_~__VERIFIER_assert__Id_MCDC_92~31#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~30#1, main_~Id_MCDC_89____CPAchecker_TMP_0~31#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~31#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~31#1;havoc main_~__tmp_32~0#1, main_~__VERIFIER_assert__Id_MCDC_92~30#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~29#1, main_~Id_MCDC_89____CPAchecker_TMP_0~30#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~30#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~30#1;havoc main_~__tmp_31~0#1, main_~__VERIFIER_assert__Id_MCDC_92~29#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~28#1, main_~Id_MCDC_89____CPAchecker_TMP_0~29#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~29#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~29#1;havoc main_~__tmp_30~0#1, main_~__VERIFIER_assert__Id_MCDC_92~28#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~27#1, main_~Id_MCDC_89____CPAchecker_TMP_0~28#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~28#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~28#1;havoc main_~__tmp_29~0#1, main_~__VERIFIER_assert__Id_MCDC_92~27#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~26#1, main_~Id_MCDC_89____CPAchecker_TMP_0~27#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~27#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~27#1;havoc main_~__tmp_28~0#1, main_~__VERIFIER_assert__Id_MCDC_92~26#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~25#1, main_~Id_MCDC_89____CPAchecker_TMP_0~26#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~26#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~26#1;havoc main_~__tmp_27~0#1, main_~__VERIFIER_assert__Id_MCDC_92~25#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~24#1, main_~Id_MCDC_89____CPAchecker_TMP_0~25#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~25#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~25#1;havoc main_~__tmp_26~0#1, main_~__VERIFIER_assert__Id_MCDC_92~24#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~23#1, main_~Id_MCDC_89____CPAchecker_TMP_0~24#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~24#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~24#1;havoc main_~__tmp_25~0#1, main_~__VERIFIER_assert__Id_MCDC_92~23#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~22#1, main_~Id_MCDC_89____CPAchecker_TMP_0~23#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~23#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~23#1;havoc main_~__tmp_24~0#1, main_~__VERIFIER_assert__Id_MCDC_92~22#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~21#1, main_~Id_MCDC_89____CPAchecker_TMP_0~22#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~22#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~22#1;havoc main_~__tmp_23~0#1, main_~__VERIFIER_assert__Id_MCDC_92~21#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~20#1, main_~Id_MCDC_89____CPAchecker_TMP_0~21#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~21#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~21#1;havoc main_~__tmp_22~0#1, main_~__VERIFIER_assert__Id_MCDC_92~20#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~19#1, main_~Id_MCDC_89____CPAchecker_TMP_0~20#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~20#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~20#1;havoc main_~__tmp_21~0#1, main_~__VERIFIER_assert__Id_MCDC_92~19#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~18#1, main_~Id_MCDC_89____CPAchecker_TMP_0~19#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~19#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~19#1;havoc main_~__tmp_20~0#1, main_~__VERIFIER_assert__Id_MCDC_92~18#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~17#1, main_~Id_MCDC_89____CPAchecker_TMP_0~18#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~18#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~18#1;havoc main_~__tmp_19~0#1, main_~__VERIFIER_assert__Id_MCDC_92~17#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~16#1, main_~Id_MCDC_89____CPAchecker_TMP_0~17#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~17#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~17#1;havoc main_~__tmp_18~0#1, main_~__VERIFIER_assert__Id_MCDC_92~16#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~15#1, main_~Id_MCDC_89____CPAchecker_TMP_0~16#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~16#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~16#1;havoc main_~__tmp_17~0#1, main_~__VERIFIER_assert__Id_MCDC_92~15#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~14#1, main_~Id_MCDC_89____CPAchecker_TMP_0~15#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~15#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~15#1;havoc main_~__tmp_16~0#1, main_~__VERIFIER_assert__Id_MCDC_92~14#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~13#1, main_~Id_MCDC_89____CPAchecker_TMP_0~14#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~14#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~14#1;havoc main_~__tmp_15~0#1, main_~__VERIFIER_assert__Id_MCDC_92~13#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~12#1, main_~Id_MCDC_89____CPAchecker_TMP_0~13#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~13#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~13#1;havoc main_~__tmp_14~0#1, main_~__VERIFIER_assert__Id_MCDC_92~12#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~11#1, main_~Id_MCDC_89____CPAchecker_TMP_0~12#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~12#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~12#1;havoc main_~__tmp_13~0#1, main_~__VERIFIER_assert__Id_MCDC_92~11#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~10#1, main_~Id_MCDC_89____CPAchecker_TMP_0~11#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~11#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~11#1;havoc main_~__tmp_12~0#1, main_~__VERIFIER_assert__Id_MCDC_92~10#1;havoc main_~Id_MCDC_89____CPAchecker_TMP_2~9#1, main_~Id_MCDC_89____CPAchecker_TMP_0~10#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~10#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~10#1;havoc main_~__tmp_11~0#1, main_~__VERIFIER_assert__Id_MCDC_92~9#1;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; [2025-02-08 06:46:31,007 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-08 06:46:31,008 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L130: assume #valid == main_old_#valid#1;assume #valid == main_old_#valid#1;#t~ret88#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_#t~mem56#1, main_#t~mem57#1, main_#t~mem58#1, main_#t~mem59#1, main_#t~mem60#1, main_#t~mem61#1, main_#t~mem62#1, main_#t~mem63#1, main_#t~mem64#1, main_#t~mem65#1, main_#t~mem66#1, main_#t~mem67#1, main_#t~mem68#1, main_#t~mem69#1, main_#t~mem70#1, main_#t~mem71#1, main_#t~mem72#1, main_#t~mem73#1, main_#t~mem74#1, main_#t~mem75#1, main_#t~mem76#1, main_#t~mem77#1, main_#t~mem78#1, main_#t~mem79#1, main_#t~mem80#1, main_#t~mem81#1, main_#t~mem82#1, main_#t~mem83#1, main_#t~mem84#1, main_#t~mem85#1, main_#t~mem86#1, main_#t~mem87#1, main_~__tmp_44~0#1, main_~__VERIFIER_assert__Id_MCDC_92~42#1, main_~Id_MCDC_89____CPAchecker_TMP_2~41#1, main_~Id_MCDC_89____CPAchecker_TMP_0~42#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~42#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~42#1, main_~__tmp_43~0#1, main_~__VERIFIER_assert__Id_MCDC_92~41#1, main_~Id_MCDC_89____CPAchecker_TMP_2~40#1, main_~Id_MCDC_89____CPAchecker_TMP_0~41#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~41#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~41#1, main_~__tmp_42~0#1, main_~__VERIFIER_assert__Id_MCDC_92~40#1, main_~Id_MCDC_89____CPAchecker_TMP_2~39#1, main_~Id_MCDC_89____CPAchecker_TMP_0~40#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~40#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~40#1, main_~__tmp_41~0#1, main_~__VERIFIER_assert__Id_MCDC_92~39#1, main_~Id_MCDC_89____CPAchecker_TMP_2~38#1, main_~Id_MCDC_89____CPAchecker_TMP_0~39#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~39#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~39#1, main_~__tmp_40~0#1, main_~__VERIFIER_assert__Id_MCDC_92~38#1, main_~Id_MCDC_89____CPAchecker_TMP_2~37#1, main_~Id_MCDC_89____CPAchecker_TMP_0~38#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~38#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~38#1, main_~__tmp_39~0#1, main_~__VERIFIER_assert__Id_MCDC_92~37#1, main_~Id_MCDC_89____CPAchecker_TMP_2~36#1, main_~Id_MCDC_89____CPAchecker_TMP_0~37#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~37#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~37#1, main_~__tmp_38~0#1, main_~__VERIFIER_assert__Id_MCDC_92~36#1, main_~Id_MCDC_89____CPAchecker_TMP_2~35#1, main_~Id_MCDC_89____CPAchecker_TMP_0~36#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~36#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~36#1, main_~__tmp_37~0#1, main_~__VERIFIER_assert__Id_MCDC_92~35#1, main_~Id_MCDC_89____CPAchecker_TMP_2~34#1, main_~Id_MCDC_89____CPAchecker_TMP_0~35#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~35#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~35#1, main_~__tmp_36~0#1, main_~__VERIFIER_assert__Id_MCDC_92~34#1, main_~Id_MCDC_89____CPAchecker_TMP_2~33#1, main_~Id_MCDC_89____CPAchecker_TMP_0~34#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~34#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~34#1, main_~__tmp_35~0#1, main_~__VERIFIER_assert__Id_MCDC_92~33#1, main_~Id_MCDC_89____CPAchecker_TMP_2~32#1, main_~Id_MCDC_89____CPAchecker_TMP_0~33#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~33#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~33#1, main_~__tmp_34~0#1, main_~__VERIFIER_assert__Id_MCDC_92~32#1, main_~Id_MCDC_89____CPAchecker_TMP_2~31#1, main_~Id_MCDC_89____CPAchecker_TMP_0~32#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~32#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~32#1, main_~__tmp_33~0#1, main_~__VERIFIER_assert__Id_MCDC_92~31#1, main_~Id_MCDC_89____CPAchecker_TMP_2~30#1, main_~Id_MCDC_89____CPAchecker_TMP_0~31#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~31#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~31#1, main_~__tmp_32~0#1, main_~__VERIFIER_assert__Id_MCDC_92~30#1, main_~Id_MCDC_89____CPAchecker_TMP_2~29#1, main_~Id_MCDC_89____CPAchecker_TMP_0~30#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~30#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~30#1, main_~__tmp_31~0#1, main_~__VERIFIER_assert__Id_MCDC_92~29#1, main_~Id_MCDC_89____CPAchecker_TMP_2~28#1, main_~Id_MCDC_89____CPAchecker_TMP_0~29#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~29#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~29#1, main_~__tmp_30~0#1, main_~__VERIFIER_assert__Id_MCDC_92~28#1, main_~Id_MCDC_89____CPAchecker_TMP_2~27#1, main_~Id_MCDC_89____CPAchecker_TMP_0~28#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~28#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~28#1, main_~__tmp_29~0#1, main_~__VERIFIER_assert__Id_MCDC_92~27#1, main_~Id_MCDC_89____CPAchecker_TMP_2~26#1, main_~Id_MCDC_89____CPAchecker_TMP_0~27#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~27#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~27#1, main_~__tmp_28~0#1, main_~__VERIFIER_assert__Id_MCDC_92~26#1, main_~Id_MCDC_89____CPAchecker_TMP_2~25#1, main_~Id_MCDC_89____CPAchecker_TMP_0~26#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~26#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~26#1, main_~__tmp_27~0#1, main_~__VERIFIER_assert__Id_MCDC_92~25#1, main_~Id_MCDC_89____CPAchecker_TMP_2~24#1, main_~Id_MCDC_89____CPAchecker_TMP_0~25#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~25#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~25#1, main_~__tmp_26~0#1, main_~__VERIFIER_assert__Id_MCDC_92~24#1, main_~Id_MCDC_89____CPAchecker_TMP_2~23#1, main_~Id_MCDC_89____CPAchecker_TMP_0~24#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~24#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~24#1, main_~__tmp_25~0#1, main_~__VERIFIER_assert__Id_MCDC_92~23#1, main_~Id_MCDC_89____CPAchecker_TMP_2~22#1, main_~Id_MCDC_89____CPAchecker_TMP_0~23#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~23#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~23#1, main_~__tmp_24~0#1, main_~__VERIFIER_assert__Id_MCDC_92~22#1, main_~Id_MCDC_89____CPAchecker_TMP_2~21#1, main_~Id_MCDC_89____CPAchecker_TMP_0~22#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~22#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~22#1, main_~__tmp_23~0#1, main_~__VERIFIER_assert__Id_MCDC_92~21#1, main_~Id_MCDC_89____CPAchecker_TMP_2~20#1, main_~Id_MCDC_89____CPAchecker_TMP_0~21#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~21#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~21#1, main_~__tmp_22~0#1, main_~__VERIFIER_assert__Id_MCDC_92~20#1, main_~Id_MCDC_89____CPAchecker_TMP_2~19#1, main_~Id_MCDC_89____CPAchecker_TMP_0~20#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~20#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~20#1, main_~__tmp_21~0#1, main_~__VERIFIER_assert__Id_MCDC_92~19#1, main_~Id_MCDC_89____CPAchecker_TMP_2~18#1, main_~Id_MCDC_89____CPAchecker_TMP_0~19#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~19#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~19#1, main_~__tmp_20~0#1, main_~__VERIFIER_assert__Id_MCDC_92~18#1, main_~Id_MCDC_89____CPAchecker_TMP_2~17#1, main_~Id_MCDC_89____CPAchecker_TMP_0~18#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~18#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~18#1, main_~__tmp_19~0#1, main_~__VERIFIER_assert__Id_MCDC_92~17#1, main_~Id_MCDC_89____CPAchecker_TMP_2~16#1, main_~Id_MCDC_89____CPAchecker_TMP_0~17#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~17#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~17#1, main_~__tmp_18~0#1, main_~__VERIFIER_assert__Id_MCDC_92~16#1, main_~Id_MCDC_89____CPAchecker_TMP_2~15#1, main_~Id_MCDC_89____CPAchecker_TMP_0~16#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~16#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~16#1, main_~__tmp_17~0#1, main_~__VERIFIER_assert__Id_MCDC_92~15#1, main_~Id_MCDC_89____CPAchecker_TMP_2~14#1, main_~Id_MCDC_89____CPAchecker_TMP_0~15#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~15#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~15#1, main_~__tmp_16~0#1, main_~__VERIFIER_assert__Id_MCDC_92~14#1, main_~Id_MCDC_89____CPAchecker_TMP_2~13#1, main_~Id_MCDC_89____CPAchecker_TMP_0~14#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~14#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~14#1, main_~__tmp_15~0#1, main_~__VERIFIER_assert__Id_MCDC_92~13#1, main_~Id_MCDC_89____CPAchecker_TMP_2~12#1, main_~Id_MCDC_89____CPAchecker_TMP_0~13#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~13#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~13#1, main_~__tmp_14~0#1, main_~__VERIFIER_assert__Id_MCDC_92~12#1, main_~Id_MCDC_89____CPAchecker_TMP_2~11#1, main_~Id_MCDC_89____CPAchecker_TMP_0~12#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~12#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~12#1, main_~__tmp_13~0#1, main_~__VERIFIER_assert__Id_MCDC_92~11#1, main_~Id_MCDC_89____CPAchecker_TMP_2~10#1, main_~Id_MCDC_89____CPAchecker_TMP_0~11#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~11#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~11#1, main_~__tmp_12~0#1, main_~__VERIFIER_assert__Id_MCDC_92~10#1, main_~Id_MCDC_89____CPAchecker_TMP_2~9#1, main_~Id_MCDC_89____CPAchecker_TMP_0~10#1.base, main_~Id_MCDC_89____CPAchecker_TMP_0~10#1.offset, main_~Id_MCDC_89____CPAchecker_TMP_1~10#1, main_~__tmp_11~0#1, main_~__VERIFIER_assert__Id_MCDC_92~9#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; [2025-02-08 06:46:31,008 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L130: assume !(#valid == main_old_#valid#1); [2025-02-08 06:46:31,092 INFO L? ?]: Removed 772 outVars from TransFormulas that were not future-live. [2025-02-08 06:46:31,092 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 06:46:31,112 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 06:46:31,112 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 06:46:31,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 06:46:31 BoogieIcfgContainer [2025-02-08 06:46:31,112 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 06:46:31,125 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 06:46:31,125 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 06:46:31,129 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 06:46:31,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 06:46:23" (1/3) ... [2025-02-08 06:46:31,129 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f9989dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 06:46:31, skipping insertion in model container [2025-02-08 06:46:31,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:46:23" (2/3) ... [2025-02-08 06:46:31,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f9989dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 06:46:31, skipping insertion in model container [2025-02-08 06:46:31,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 06:46:31" (3/3) ... [2025-02-08 06:46:31,131 INFO L128 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+nlh-reducer.c [2025-02-08 06:46:31,144 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 06:46:31,145 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aiob_4.c.v+nlh-reducer.c that has 1 procedures, 467 locations, 1 initial locations, 0 loop locations, and 168 error locations. [2025-02-08 06:46:31,187 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 06:46:31,198 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=None, 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;@3d470d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 06:46:31,199 INFO L334 AbstractCegarLoop]: Starting to check reachability of 168 error locations. [2025-02-08 06:46:31,204 INFO L276 IsEmpty]: Start isEmpty. Operand has 466 states, 298 states have (on average 2.1375838926174495) internal successors, (637), 465 states have internal predecessors, (637), 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) [2025-02-08 06:46:31,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-02-08 06:46:31,208 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:46:31,209 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-02-08 06:46:31,209 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr166REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 165 more)] === [2025-02-08 06:46:31,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:46:31,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1006837, now seen corresponding path program 1 times [2025-02-08 06:46:31,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:46:31,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913183880] [2025-02-08 06:46:31,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:46:31,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:46:31,495 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 06:46:31,541 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 06:46:31,542 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:46:31,542 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:46:31,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 06:46:31,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:46:31,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913183880] [2025-02-08 06:46:31,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913183880] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:46:31,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:46:31,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 06:46:31,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929156022] [2025-02-08 06:46:31,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:46:31,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:46:31,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:46:31,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:46:31,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:46:31,948 INFO L87 Difference]: Start difference. First operand has 466 states, 298 states have (on average 2.1375838926174495) internal successors, (637), 465 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2025-02-08 06:46:37,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:46:41,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:46:47,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:46:47,169 INFO L93 Difference]: Finished difference Result 425 states and 552 transitions. [2025-02-08 06:46:47,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 06:46:47,170 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2025-02-08 06:46:47,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:46:47,177 INFO L225 Difference]: With dead ends: 425 [2025-02-08 06:46:47,177 INFO L226 Difference]: Without dead ends: 424 [2025-02-08 06:46:47,178 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:46:47,180 INFO L435 NwaCegarLoop]: 255 mSDtfsCounter, 501 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 41 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2025-02-08 06:46:47,181 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 469 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 681 Invalid, 2 Unknown, 0 Unchecked, 15.1s Time] [2025-02-08 06:46:47,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2025-02-08 06:46:47,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 424. [2025-02-08 06:46:47,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 298 states have (on average 1.419463087248322) internal successors, (423), 423 states have internal predecessors, (423), 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) [2025-02-08 06:46:47,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 423 transitions. [2025-02-08 06:46:47,231 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 423 transitions. Word has length 3 [2025-02-08 06:46:47,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:46:47,232 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 423 transitions. [2025-02-08 06:46:47,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2025-02-08 06:46:47,232 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 423 transitions. [2025-02-08 06:46:47,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-02-08 06:46:47,233 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:46:47,233 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-02-08 06:46:47,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 06:46:47,234 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr167REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 165 more)] === [2025-02-08 06:46:47,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:46:47,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1006838, now seen corresponding path program 1 times [2025-02-08 06:46:47,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:46:47,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292254199] [2025-02-08 06:46:47,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:46:47,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:46:47,326 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 06:46:47,351 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 06:46:47,353 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:46:47,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:46:47,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 06:46:47,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:46:47,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292254199] [2025-02-08 06:46:47,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292254199] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:46:47,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:46:47,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 06:46:47,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165018278] [2025-02-08 06:46:47,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:46:47,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:46:47,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:46:47,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:46:47,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:46:47,779 INFO L87 Difference]: Start difference. First operand 424 states and 423 transitions. Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2025-02-08 06:46:52,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:46:57,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:46:59,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:46:59,316 INFO L93 Difference]: Finished difference Result 383 states and 382 transitions. [2025-02-08 06:46:59,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 06:46:59,316 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2025-02-08 06:46:59,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:46:59,317 INFO L225 Difference]: With dead ends: 383 [2025-02-08 06:46:59,317 INFO L226 Difference]: Without dead ends: 383 [2025-02-08 06:46:59,318 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:46:59,318 INFO L435 NwaCegarLoop]: 340 mSDtfsCounter, 80 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 40 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 808 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2025-02-08 06:46:59,318 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 808 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 254 Invalid, 2 Unknown, 0 Unchecked, 11.5s Time] [2025-02-08 06:46:59,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2025-02-08 06:46:59,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2025-02-08 06:46:59,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 298 states have (on average 1.2818791946308725) internal successors, (382), 382 states have internal predecessors, (382), 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) [2025-02-08 06:46:59,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 382 transitions. [2025-02-08 06:46:59,335 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 382 transitions. Word has length 3 [2025-02-08 06:46:59,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:46:59,335 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 382 transitions. [2025-02-08 06:46:59,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2025-02-08 06:46:59,335 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 382 transitions. [2025-02-08 06:46:59,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-02-08 06:46:59,336 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:46:59,337 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] [2025-02-08 06:46:59,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 06:46:59,337 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr84REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 165 more)] === [2025-02-08 06:46:59,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:46:59,337 INFO L85 PathProgramCache]: Analyzing trace with hash 982220431, now seen corresponding path program 1 times [2025-02-08 06:46:59,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:46:59,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822754680] [2025-02-08 06:46:59,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:46:59,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:47:03,154 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-08 06:47:03,214 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-08 06:47:03,214 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:47:03,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:47:03,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 06:47:03,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:47:03,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822754680] [2025-02-08 06:47:03,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822754680] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:47:03,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:47:03,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 06:47:03,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030110267] [2025-02-08 06:47:03,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:47:03,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:47:03,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:47:03,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:47:03,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:47:03,944 INFO L87 Difference]: Start difference. First operand 383 states and 382 transitions. Second operand has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 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) [2025-02-08 06:47:08,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:47:12,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:47:12,087 INFO L93 Difference]: Finished difference Result 382 states and 381 transitions. [2025-02-08 06:47:12,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 06:47:12,087 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 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 88 [2025-02-08 06:47:12,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:47:12,089 INFO L225 Difference]: With dead ends: 382 [2025-02-08 06:47:12,089 INFO L226 Difference]: Without dead ends: 382 [2025-02-08 06:47:12,089 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:47:12,090 INFO L435 NwaCegarLoop]: 255 mSDtfsCounter, 295 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2025-02-08 06:47:12,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 508 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 335 Invalid, 1 Unknown, 0 Unchecked, 8.0s Time] [2025-02-08 06:47:12,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2025-02-08 06:47:12,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2025-02-08 06:47:12,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 298 states have (on average 1.278523489932886) internal successors, (381), 381 states have internal predecessors, (381), 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) [2025-02-08 06:47:12,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 381 transitions. [2025-02-08 06:47:12,100 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 381 transitions. Word has length 88 [2025-02-08 06:47:12,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:47:12,102 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 381 transitions. [2025-02-08 06:47:12,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 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) [2025-02-08 06:47:12,102 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 381 transitions. [2025-02-08 06:47:12,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-02-08 06:47:12,103 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:47:12,103 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] [2025-02-08 06:47:12,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 06:47:12,103 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr85REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 165 more)] === [2025-02-08 06:47:12,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:47:12,104 INFO L85 PathProgramCache]: Analyzing trace with hash 982220432, now seen corresponding path program 1 times [2025-02-08 06:47:12,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:47:12,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674443652] [2025-02-08 06:47:12,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:47:12,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:47:15,691 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-08 06:47:15,747 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-08 06:47:15,748 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:47:15,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:47:17,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 06:47:17,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:47:17,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674443652] [2025-02-08 06:47:17,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674443652] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:47:17,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:47:17,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 06:47:17,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123201065] [2025-02-08 06:47:17,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:47:17,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 06:47:17,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:47:17,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 06:47:17,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:47:17,047 INFO L87 Difference]: Start difference. First operand 382 states and 381 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 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) [2025-02-08 06:47:22,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:47:26,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:47:26,847 INFO L93 Difference]: Finished difference Result 381 states and 380 transitions. [2025-02-08 06:47:26,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 06:47:26,848 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 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 88 [2025-02-08 06:47:26,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:47:26,849 INFO L225 Difference]: With dead ends: 381 [2025-02-08 06:47:26,849 INFO L226 Difference]: Without dead ends: 381 [2025-02-08 06:47:26,849 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-08 06:47:26,850 INFO L435 NwaCegarLoop]: 256 mSDtfsCounter, 449 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 42 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2025-02-08 06:47:26,850 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 600 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 424 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2025-02-08 06:47:26,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2025-02-08 06:47:26,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2025-02-08 06:47:26,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 298 states have (on average 1.2751677852348993) internal successors, (380), 380 states have internal predecessors, (380), 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) [2025-02-08 06:47:26,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 380 transitions. [2025-02-08 06:47:26,857 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 380 transitions. Word has length 88 [2025-02-08 06:47:26,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:47:26,858 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 380 transitions. [2025-02-08 06:47:26,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 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) [2025-02-08 06:47:26,858 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 380 transitions. [2025-02-08 06:47:26,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-02-08 06:47:26,861 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:47:26,862 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] [2025-02-08 06:47:26,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 06:47:26,862 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr82REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 165 more)] === [2025-02-08 06:47:26,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:47:26,863 INFO L85 PathProgramCache]: Analyzing trace with hash -957394834, now seen corresponding path program 1 times [2025-02-08 06:47:26,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:47:26,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512149862] [2025-02-08 06:47:26,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:47:26,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:47:30,413 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-02-08 06:47:30,457 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-02-08 06:47:30,458 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:47:30,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:47:30,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 06:47:30,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:47:30,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512149862] [2025-02-08 06:47:30,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512149862] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:47:30,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:47:30,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 06:47:30,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355212523] [2025-02-08 06:47:30,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:47:30,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 06:47:30,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:47:30,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 06:47:30,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:47:30,990 INFO L87 Difference]: Start difference. First operand 381 states and 380 transitions. Second operand has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 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) [2025-02-08 06:47:35,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:47:40,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:47:44,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:47:44,938 INFO L93 Difference]: Finished difference Result 380 states and 379 transitions. [2025-02-08 06:47:44,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 06:47:44,939 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 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 93 [2025-02-08 06:47:44,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:47:44,941 INFO L225 Difference]: With dead ends: 380 [2025-02-08 06:47:44,941 INFO L226 Difference]: Without dead ends: 380 [2025-02-08 06:47:44,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-08 06:47:44,942 INFO L435 NwaCegarLoop]: 254 mSDtfsCounter, 291 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 757 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2025-02-08 06:47:44,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 757 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 459 Invalid, 2 Unknown, 0 Unchecked, 13.8s Time] [2025-02-08 06:47:44,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2025-02-08 06:47:44,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2025-02-08 06:47:44,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 298 states have (on average 1.2718120805369129) internal successors, (379), 379 states have internal predecessors, (379), 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) [2025-02-08 06:47:44,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 379 transitions. [2025-02-08 06:47:44,948 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 379 transitions. Word has length 93 [2025-02-08 06:47:44,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:47:44,949 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 379 transitions. [2025-02-08 06:47:44,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 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) [2025-02-08 06:47:44,949 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 379 transitions. [2025-02-08 06:47:44,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-02-08 06:47:44,950 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:47:44,950 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] [2025-02-08 06:47:44,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 06:47:44,950 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr83REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 165 more)] === [2025-02-08 06:47:44,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:47:44,951 INFO L85 PathProgramCache]: Analyzing trace with hash -957394833, now seen corresponding path program 1 times [2025-02-08 06:47:44,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:47:44,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151005014] [2025-02-08 06:47:44,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:47:44,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:47:48,202 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-02-08 06:47:48,246 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-02-08 06:47:48,247 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:47:48,247 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:47:49,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 06:47:49,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:47:49,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151005014] [2025-02-08 06:47:49,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151005014] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:47:49,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:47:49,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 06:47:49,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837078686] [2025-02-08 06:47:49,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:47:49,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 06:47:49,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:47:49,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 06:47:49,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:47:49,378 INFO L87 Difference]: Start difference. First operand 380 states and 379 transitions. Second operand has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 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) [2025-02-08 06:47:54,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:47:59,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:47:59,389 INFO L93 Difference]: Finished difference Result 379 states and 378 transitions. [2025-02-08 06:47:59,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 06:47:59,389 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 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 93 [2025-02-08 06:47:59,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:47:59,391 INFO L225 Difference]: With dead ends: 379 [2025-02-08 06:47:59,391 INFO L226 Difference]: Without dead ends: 379 [2025-02-08 06:47:59,391 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-08 06:47:59,391 INFO L435 NwaCegarLoop]: 255 mSDtfsCounter, 441 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 41 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2025-02-08 06:47:59,391 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 597 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 423 Invalid, 1 Unknown, 0 Unchecked, 9.6s Time] [2025-02-08 06:47:59,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2025-02-08 06:47:59,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2025-02-08 06:47:59,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 298 states have (on average 1.2684563758389262) internal successors, (378), 378 states have internal predecessors, (378), 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) [2025-02-08 06:47:59,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 378 transitions. [2025-02-08 06:47:59,398 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 378 transitions. Word has length 93 [2025-02-08 06:47:59,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:47:59,399 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 378 transitions. [2025-02-08 06:47:59,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 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) [2025-02-08 06:47:59,399 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 378 transitions. [2025-02-08 06:47:59,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-02-08 06:47:59,402 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:47:59,402 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] [2025-02-08 06:47:59,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 06:47:59,402 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 165 more)] === [2025-02-08 06:47:59,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:47:59,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1594595936, now seen corresponding path program 1 times [2025-02-08 06:47:59,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:47:59,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498919243] [2025-02-08 06:47:59,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:47:59,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms