./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b13c8169fb5357220d29959d63393b66877a012797fdaa495805bf5299de8fb1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 21:21:15,280 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 21:21:15,350 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 21:21:15,357 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 21:21:15,357 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 21:21:15,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 21:21:15,390 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 21:21:15,390 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 21:21:15,391 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 21:21:15,391 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 21:21:15,392 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 21:21:15,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 21:21:15,392 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 21:21:15,392 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 21:21:15,393 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 21:21:15,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 21:21:15,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 21:21:15,393 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 21:21:15,394 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 21:21:15,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 21:21:15,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 21:21:15,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 21:21:15,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 21:21:15,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 21:21:15,394 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 21:21:15,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 21:21:15,394 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 21:21:15,394 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 21:21:15,394 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 21:21:15,394 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 21:21:15,394 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 21:21:15,394 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 21:21:15,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:21:15,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 21:21:15,395 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 21:21:15,395 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 21:21:15,395 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 21:21:15,395 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 21:21:15,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 21:21:15,395 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 21:21:15,395 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 21:21:15,395 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 21:21:15,395 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 21:21:15,395 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b13c8169fb5357220d29959d63393b66877a012797fdaa495805bf5299de8fb1 [2025-02-07 21:21:15,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 21:21:15,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 21:21:15,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 21:21:15,691 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 21:21:15,691 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 21:21:15,692 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2025-02-07 21:21:16,933 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7642dc484/0aa8786074ba4ee59d6f284202a17f37/FLAG96dec925f [2025-02-07 21:21:17,293 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 21:21:17,294 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2025-02-07 21:21:17,314 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7642dc484/0aa8786074ba4ee59d6f284202a17f37/FLAG96dec925f [2025-02-07 21:21:17,328 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7642dc484/0aa8786074ba4ee59d6f284202a17f37 [2025-02-07 21:21:17,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 21:21:17,331 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 21:21:17,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 21:21:17,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 21:21:17,335 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 21:21:17,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:21:17" (1/1) ... [2025-02-07 21:21:17,336 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f5732c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:17, skipping insertion in model container [2025-02-07 21:21:17,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:21:17" (1/1) ... [2025-02-07 21:21:17,399 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 21:21:17,617 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[8622,8635] [2025-02-07 21:21:17,650 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15089,15102] [2025-02-07 21:21:17,663 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[17286,17299] [2025-02-07 21:21:17,671 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[18310,18323] [2025-02-07 21:21:17,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:21:17,824 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 21:21:17,873 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[8622,8635] [2025-02-07 21:21:17,902 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15089,15102] [2025-02-07 21:21:17,907 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[17286,17299] [2025-02-07 21:21:17,910 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[18310,18323] [2025-02-07 21:21:17,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:21:18,018 INFO L204 MainTranslator]: Completed translation [2025-02-07 21:21:18,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:18 WrapperNode [2025-02-07 21:21:18,019 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 21:21:18,021 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 21:21:18,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 21:21:18,022 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 21:21:18,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:18" (1/1) ... [2025-02-07 21:21:18,057 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:18" (1/1) ... [2025-02-07 21:21:18,118 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2803 [2025-02-07 21:21:18,118 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 21:21:18,119 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 21:21:18,119 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 21:21:18,119 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 21:21:18,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:18" (1/1) ... [2025-02-07 21:21:18,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:18" (1/1) ... [2025-02-07 21:21:18,138 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:18" (1/1) ... [2025-02-07 21:21:18,174 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-07 21:21:18,174 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:18" (1/1) ... [2025-02-07 21:21:18,174 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:18" (1/1) ... [2025-02-07 21:21:18,211 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:18" (1/1) ... [2025-02-07 21:21:18,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:18" (1/1) ... [2025-02-07 21:21:18,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:18" (1/1) ... [2025-02-07 21:21:18,234 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:18" (1/1) ... [2025-02-07 21:21:18,252 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 21:21:18,253 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 21:21:18,254 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 21:21:18,254 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 21:21:18,255 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:18" (1/1) ... [2025-02-07 21:21:18,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:21:18,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 21:21:18,288 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-07 21:21:18,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-07 21:21:18,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 21:21:18,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 21:21:18,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 21:21:18,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 21:21:18,536 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 21:21:18,538 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 21:21:20,206 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2348: havoc main_~node3____CPAchecker_TMP_0~5#1; [2025-02-07 21:21:20,206 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L300: havoc main_~node2__m2~1#1; [2025-02-07 21:21:20,206 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2282: havoc main_~main____CPAchecker_TMP_0~20#1;havoc main_~__tmp_24~0#1, main_~assert__arg~23#1;havoc main_~check__tmp~24#1; [2025-02-07 21:21:20,206 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4198: havoc main_~main____CPAchecker_TMP_0~50#1;havoc main_~__tmp_54~0#1, main_~assert__arg~53#1;havoc main_~check__tmp~54#1; [2025-02-07 21:21:20,207 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L367: havoc main_~node1__m1~2#1;havoc main_~main____CPAchecker_TMP_0~1#1;havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2025-02-07 21:21:20,207 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1160: havoc main_~__tmp_8~0#1, main_~assert__arg~7#1;havoc main_~check__tmp~7#1; [2025-02-07 21:21:20,207 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3342: havoc main_~node2____CPAchecker_TMP_0~3#1; [2025-02-07 21:21:20,207 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2880: havoc main_~main____CPAchecker_TMP_0~29#1;havoc main_~__tmp_33~0#1, main_~assert__arg~32#1;havoc main_~check__tmp~33#1; [2025-02-07 21:21:20,207 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2683: havoc main_~main____CPAchecker_TMP_0~26#1;havoc main_~__tmp_30~0#1, main_~assert__arg~29#1;havoc main_~check__tmp~30#1; [2025-02-07 21:21:20,207 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3608: havoc main_~node3____CPAchecker_TMP_0~10#1; [2025-02-07 21:21:20,207 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4005: havoc main_~main____CPAchecker_TMP_0~47#1;havoc main_~__tmp_51~0#1, main_~assert__arg~50#1;havoc main_~check__tmp~51#1;havoc main_~node3____CPAchecker_TMP_1~11#1; [2025-02-07 21:21:20,207 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2552: havoc main_~main____CPAchecker_TMP_0~24#1;havoc main_~__tmp_28~0#1, main_~assert__arg~27#1;havoc main_~check__tmp~28#1; [2025-02-07 21:21:20,207 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L240: havoc main_~node3____CPAchecker_TMP_0~0#1; [2025-02-07 21:21:20,208 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L901: havoc main_~node3__m3~3#1; [2025-02-07 21:21:20,208 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1827: havoc main_~node3____CPAchecker_TMP_0~3#1; [2025-02-07 21:21:20,208 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L770: havoc main_~node1____CPAchecker_TMP_0~2#1; [2025-02-07 21:21:20,208 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2224: havoc main_~main____CPAchecker_TMP_0~19#1;havoc main_~__tmp_23~0#1, main_~assert__arg~22#1;havoc main_~check__tmp~23#1;havoc main_~node3____CPAchecker_TMP_1~4#1; [2025-02-07 21:21:20,208 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812: havoc main_~main____CPAchecker_TMP_0~44#1;havoc main_~__tmp_48~0#1, main_~assert__arg~47#1;havoc main_~check__tmp~48#1; [2025-02-07 21:21:20,208 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1566: havoc main_~node3__m3~6#1; [2025-02-07 21:21:20,208 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L510: havoc main_~node1____CPAchecker_TMP_0~1#1;havoc main_~node1__m1~3#1;havoc main_~main____CPAchecker_TMP_0~2#1;havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2025-02-07 21:21:20,208 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3351: havoc main_~node3__m3~13#1; [2025-02-07 21:21:20,208 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4144: havoc main_~main____CPAchecker_TMP_0~49#1;havoc main_~__tmp_53~0#1, main_~assert__arg~52#1;havoc main_~check__tmp~53#1; [2025-02-07 21:21:20,209 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3087: havoc main_~node3__m3~12#1; [2025-02-07 21:21:20,209 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2031: havoc main_~main____CPAchecker_TMP_0~16#1;havoc main_~__tmp_20~0#1, main_~assert__arg~19#1;havoc main_~check__tmp~20#1; [2025-02-07 21:21:20,209 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3947: havoc main_~main____CPAchecker_TMP_0~46#1;havoc main_~__tmp_50~0#1, main_~assert__arg~49#1;havoc main_~check__tmp~50#1; [2025-02-07 21:21:20,209 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2494: havoc main_~main____CPAchecker_TMP_0~23#1;havoc main_~__tmp_27~0#1, main_~assert__arg~26#1;havoc main_~check__tmp~27#1;havoc main_~node3____CPAchecker_TMP_1~5#1; [2025-02-07 21:21:20,209 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L712: havoc main_~node2____CPAchecker_TMP_1~0#1; [2025-02-07 21:21:20,209 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2166: havoc main_~main____CPAchecker_TMP_0~18#1;havoc main_~__tmp_22~0#1, main_~assert__arg~21#1;havoc main_~check__tmp~22#1; [2025-02-07 21:21:20,209 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2629: havoc main_~main____CPAchecker_TMP_0~25#1;havoc main_~__tmp_29~0#1, main_~assert__arg~28#1;havoc main_~check__tmp~29#1; [2025-02-07 21:21:20,209 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L317: havoc main_~node3__m3~1#1; [2025-02-07 21:21:20,209 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1243: havoc main_~__tmp_9~0#1, main_~assert__arg~8#1;havoc main_~check__tmp~8#1; [2025-02-07 21:21:20,209 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3754: havoc main_~main____CPAchecker_TMP_0~43#1;havoc main_~__tmp_47~0#1, main_~assert__arg~46#1;havoc main_~check__tmp~47#1;havoc main_~node3____CPAchecker_TMP_1~10#1; [2025-02-07 21:21:20,210 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1576: havoc main_~node3____CPAchecker_TMP_0~2#1; [2025-02-07 21:21:20,210 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1973: havoc main_~main____CPAchecker_TMP_0~15#1;havoc main_~__tmp_19~0#1, main_~assert__arg~18#1;havoc main_~check__tmp~19#1;havoc main_~node3____CPAchecker_TMP_1~3#1; [2025-02-07 21:21:20,210 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2436: havoc main_~main____CPAchecker_TMP_0~22#1;havoc main_~__tmp_26~0#1, main_~assert__arg~25#1;havoc main_~check__tmp~26#1; [2025-02-07 21:21:20,210 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3361: havoc main_~node3____CPAchecker_TMP_0~9#1; [2025-02-07 21:21:20,210 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3097: havoc main_~node3____CPAchecker_TMP_0~8#1; [2025-02-07 21:21:20,210 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L851: havoc main_~main____CPAchecker_TMP_0~3#1;havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2025-02-07 21:21:20,210 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L389: havoc main_~node2__m2~2#1; [2025-02-07 21:21:20,210 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1;#t~ret20#1 := main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_~node1____CPAchecker_TMP_0~1#1, main_~node1__m1~3#1, main_~main____CPAchecker_TMP_0~2#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~2#1, main_~node3____CPAchecker_TMP_0~1#1, main_~node3____CPAchecker_TMP_1~0#1, main_~node3__m3~2#1, main_~node2____CPAchecker_TMP_0~1#1, main_~node2____CPAchecker_TMP_1~0#1, main_~node2__m2~2#1, main_~node1____CPAchecker_TMP_0~2#1, main_~node1__m1~2#1, main_~main____CPAchecker_TMP_0~1#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~1#1, main_~main____CPAchecker_TMP_0~3#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~3#1, main_~node3__m3~1#1, main_~main____CPAchecker_TMP_0~4#1, main_~__tmp_5~0#1, main_~assert__arg~4#1, main_~check__tmp~4#1, main_~__tmp_6~0#1, main_~assert__arg~5#1, main_~check__tmp~5#1, main_~node3__m3~3#1, main_~node2__m2~1#1, main_~main____CPAchecker_TMP_0~5#1, main_~__tmp_7~0#1, main_~assert__arg~6#1, main_~check__tmp~6#1, main_~__tmp_8~0#1, main_~assert__arg~7#1, main_~check__tmp~7#1, main_~node3__m3~4#1, main_~__tmp_9~0#1, main_~assert__arg~8#1, main_~check__tmp~8#1, main_~check__tmp~9#1, main_~node3__m3~5#1, main_~node2__m2~3#1, main_~node1__m1~1#1, main_~main____CPAchecker_TMP_0~0#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~main____CPAchecker_TMP_0~6#1, main_~__tmp_10~0#1, main_~assert__arg~9#1, main_~check__tmp~10#1, main_~node3____CPAchecker_TMP_0~0#1, main_~main____CPAchecker_TMP_0~7#1, main_~__tmp_11~0#1, main_~assert__arg~10#1, main_~check__tmp~11#1, main_~node3____CPAchecker_TMP_1~1#1, main_~main____CPAchecker_TMP_0~8#1, main_~__tmp_12~0#1, main_~assert__arg~11#1, main_~check__tmp~12#1, main_~node3__m3~0#1, main_~main____CPAchecker_TMP_0~9#1, main_~__tmp_13~0#1, main_~assert__arg~12#1, main_~check__tmp~13#1, main_~main____CPAchecker_TMP_0~10#1, main_~__tmp_14~0#1, main_~assert__arg~13#1, main_~check__tmp~14#1, main_~node3____CPAchecker_TMP_0~2#1, main_~main____CPAchecker_TMP_0~11#1, main_~__tmp_15~0#1, main_~assert__arg~14#1, main_~check__tmp~15#1, main_~node3____CPAchecker_TMP_1~2#1, main_~main____CPAchecker_TMP_0~12#1, main_~__tmp_16~0#1, main_~assert__arg~15#1, main_~check__tmp~16#1, main_~node3__m3~6#1, main_~node2____CPAchecker_TMP_0~0#1, main_~main____CPAchecker_TMP_0~13#1, main_~__tmp_17~0#1, main_~assert__arg~16#1, main_~check__tmp~17#1, main_~main____CPAchecker_TMP_0~14#1, main_~__tmp_18~0#1, main_~assert__arg~17#1, main_~check__tmp~18#1, main_~node3____CPAchecker_TMP_0~3#1, main_~main____CPAchecker_TMP_0~15#1, main_~__tmp_19~0#1, main_~assert__arg~18#1, main_~check__tmp~19#1, main_~node3____CPAchecker_TMP_1~3#1, main_~main____CPAchecker_TMP_0~16#1, main_~__tmp_20~0#1, main_~assert__arg~19#1, main_~check__tmp~20#1, main_~node3__m3~7#1, main_~node2____CPAchecker_TMP_1~1#1, main_~main____CPAchecker_TMP_0~17#1, main_~__tmp_21~0#1, main_~assert__arg~20#1, main_~check__tmp~21#1, main_~main____CPAchecker_TMP_0~18#1, main_~__tmp_22~0#1, main_~assert__arg~21#1, main_~check__tmp~22#1, main_~node3____CPAchecker_TMP_0~4#1, main_~main____CPAchecker_TMP_0~19#1, main_~__tmp_23~0#1, main_~assert__arg~22#1, main_~check__tmp~23#1, main_~node3____CPAchecker_TMP_1~4#1, main_~main____CPAchecker_TMP_0~20#1, main_~__tmp_24~0#1, main_~assert__arg~23#1, main_~check__tmp~24#1, main_~node3__m3~8#1, main_~node2__m2~0#1, main_~main____CPAchecker_TMP_0~21#1, main_~__tmp_25~0#1, main_~assert__arg~24#1, main_~check__tmp~25#1, main_~main____CPAchecker_TMP_0~22#1, main_~__tmp_26~0#1, main_~assert__arg~25#1, main_~check__tmp~26#1, main_~node3____CPAchecker_TMP_0~5#1, main_~main____CPAchecker_TMP_0~23#1, main_~__tmp_27~0#1, main_~assert__arg~26#1, main_~check__tmp~27#1, main_~node3____CPAchecker_TMP_1~5#1, main_~main____CPAchecker_TMP_0~24#1, main_~__tmp_28~0#1, main_~assert__arg~27#1, main_~check__tmp~28#1, main_~node3__m3~9#1, main_~main____CPAchecker_TMP_0~25#1, main_~__tmp_29~0#1, main_~assert__arg~28#1, main_~check__tmp~29#1, main_~main____CPAchecker_TMP_0~26#1, main_~__tmp_30~0#1, main_~assert__arg~29#1, main_~check__tmp~30#1, main_~node3____CPAchecker_TMP_0~6#1, main_~main____CPAchecker_TMP_0~27#1, main_~__tmp_31~0#1, main_~assert__arg~30#1, main_~check__tmp~31#1, main_~node3____CPAchecker_TMP_1~6#1, main_~main____CPAchecker_TMP_0~28#1, main_~__tmp_32~0#1, main_~assert__arg~31#1, main_~check__tmp~32#1, main_~node3__m3~10#1, main_~node2____CPAchecker_TMP_0~2#1, main_~main____CPAchecker_TMP_0~29#1, main_~__tmp_33~0#1, main_~assert__arg~32#1, main_~check__tmp~33#1, main_~main____CPAchecker_TMP_0~30#1, main_~__tmp_34~0#1, main_~assert__arg~33#1, main_~check__tmp~34#1, main_~node3____CPAchecker_TMP_0~7#1, main_~main____CPAchecker_TMP_0~31#1, main_~__tmp_35~0#1, main_~assert__arg~34#1, main_~check__tmp~35#1, main_~node3____CPAchecker_TMP_1~7#1, main_~main____CPAchecker_TMP_0~32#1, main_~__tmp_36~0#1, main_~assert__arg~35#1, main_~check__tmp~36#1, main_~node3__m3~11#1, main_~node2____CPAchecker_TMP_1~2#1, main_~main____CPAchecker_TMP_0~33#1, main_~__tmp_37~0#1, main_~assert__arg~36#1, main_~check__tmp~37#1, main_~main____CPAchecker_TMP_0~34#1, main_~__tmp_38~0#1, main_~assert__arg~37#1, main_~check__tmp~38#1, main_~node3____CPAchecker_TMP_0~8#1, main_~main____CPAchecker_TMP_0~35#1, main_~__tmp_39~0#1, main_~assert__arg~38#1, main_~check__tmp~39#1, main_~node3____CPAchecker_TMP_1~8#1, main_~main____CPAchecker_TMP_0~36#1, main_~__tmp_40~0#1, main_~assert__arg~39#1, main_~check__tmp~40#1, main_~node3__m3~12#1, main_~node2__m2~4#1, main_~node1____CPAchecker_TMP_0~0#1, main_~main____CPAchecker_TMP_0~37#1, main_~__tmp_41~0#1, main_~assert__arg~40#1, main_~check__tmp~41#1, main_~main____CPAchecker_TMP_0~38#1, main_~__tmp_42~0#1, main_~assert__arg~41#1, main_~check__tmp~42#1, main_~node3____CPAchecker_TMP_0~9#1, main_~main____CPAchecker_TMP_0~39#1, main_~__tmp_43~0#1, main_~assert__arg~42#1, main_~check__tmp~43#1, main_~node3____CPAchecker_TMP_1~9#1, main_~main____CPAchecker_TMP_0~40#1, main_~__tmp_44~0#1, main_~assert__arg~43#1, main_~check__tmp~44#1, main_~node3__m3~13#1, main_~main____CPAchecker_TMP_0~41#1, main_~__tmp_45~0#1, main_~assert__arg~44#1, main_~check__tmp~45#1, main_~main____CPAchecker_TMP_0~42#1, main_~__tmp_46~0#1, main_~assert__arg~45#1, main_~check__tmp~46#1, main_~node3____CPAchecker_TMP_0~10#1, main_~main____CPAchecker_TMP_0~43#1, main_~__tmp_47~0#1, main_~assert__arg~46#1, main_~check__tmp~47#1, main_~node3____CPAchecker_TMP_1~10#1, main_~main____CPAchecker_TMP_0~44#1, main_~__tmp_48~0#1, main_~assert__arg~47#1, main_~check__tmp~48#1, main_~node3__m3~14#1, main_~node2____CPAchecker_TMP_0~3#1, main_~main____CPAchecker_TMP_0~45#1, main_~__tmp_49~0#1, main_~assert__arg~48#1, main_~check__tmp~49#1, main_~main____CPAchecker_TMP_0~46#1, main_~__tmp_50~0#1, main_~assert__arg~49#1, main_~check__tmp~50#1, main_~node3____CPAchecker_TMP_0~11#1, main_~main____CPAchecker_TMP_0~47#1, main_~__tmp_51~0#1, main_~assert__arg~50#1, main_~check__tmp~51#1, main_~node3____CPAchecker_TMP_1~11#1, main_~main____CPAchecker_TMP_0~48#1, main_~__tmp_52~0#1, main_~assert__arg~51#1, main_~check__tmp~52#1, main_~node3__m3~15#1, main_~node2____CPAchecker_TMP_1~3#1, main_~main____CPAchecker_TMP_0~49#1, main_~__tmp_53~0#1, main_~assert__arg~52#1, main_~check__tmp~53#1, main_~main____CPAchecker_TMP_0~50#1, main_~__tmp_54~0#1, main_~assert__arg~53#1, main_~check__tmp~54#1, main_~node3____CPAchecker_TMP_0~12#1, main_~main____CPAchecker_TMP_0~51#1, main_~__tmp_55~0#1, main_~assert__arg~54#1, main_~check__tmp~55#1, main_~node3____CPAchecker_TMP_1~12#1, main_~main____CPAchecker_TMP_0~52#1, main_~__tmp_56~0#1, main_~assert__arg~55#1, main_~check__tmp~56#1, main_~node3__m3~16#1, main_~node2__m2~5#1, main_~node1__m1~0#1, main_~init__tmp~0#1, main_~main__c1~0#1, main_~main__i2~0#1;assume { :end_inline_main } true; [2025-02-07 21:21:20,211 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L985: havoc main_~__tmp_6~0#1, main_~assert__arg~5#1;havoc main_~check__tmp~5#1; [2025-02-07 21:21:20,211 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1118: havoc main_~main____CPAchecker_TMP_0~5#1;havoc main_~__tmp_7~0#1, main_~assert__arg~6#1;havoc main_~check__tmp~6#1; [2025-02-07 21:21:20,211 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2836: havoc main_~node3__m3~11#1;havoc main_~node2____CPAchecker_TMP_1~2#1; [2025-02-07 21:21:20,211 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3893: havoc main_~main____CPAchecker_TMP_0~45#1;havoc main_~__tmp_49~0#1, main_~assert__arg~48#1;havoc main_~check__tmp~49#1; [2025-02-07 21:21:20,211 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1780: havoc main_~main____CPAchecker_TMP_0~12#1;havoc main_~__tmp_16~0#1, main_~assert__arg~15#1;havoc main_~check__tmp~16#1; [2025-02-07 21:21:20,211 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3696: havoc main_~main____CPAchecker_TMP_0~42#1;havoc main_~__tmp_46~0#1, main_~assert__arg~45#1;havoc main_~check__tmp~46#1; [2025-02-07 21:21:20,211 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3565: havoc main_~main____CPAchecker_TMP_0~40#1;havoc main_~__tmp_44~0#1, main_~assert__arg~43#1;havoc main_~check__tmp~44#1; [2025-02-07 21:21:20,211 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3301: havoc main_~main____CPAchecker_TMP_0~36#1;havoc main_~__tmp_40~0#1, main_~assert__arg~39#1;havoc main_~check__tmp~40#1; [2025-02-07 21:21:20,211 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2112: havoc main_~main____CPAchecker_TMP_0~17#1;havoc main_~__tmp_21~0#1, main_~assert__arg~20#1;havoc main_~check__tmp~21#1; [2025-02-07 21:21:20,211 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1915: havoc main_~main____CPAchecker_TMP_0~14#1;havoc main_~__tmp_18~0#1, main_~assert__arg~17#1;havoc main_~check__tmp~18#1; [2025-02-07 21:21:20,211 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1059: havoc main_~node2__m2~3#1; [2025-02-07 21:21:20,211 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L598: havoc main_~node3____CPAchecker_TMP_0~1#1; [2025-02-07 21:21:20,212 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2382: havoc main_~main____CPAchecker_TMP_0~21#1;havoc main_~__tmp_25~0#1, main_~assert__arg~24#1;havoc main_~check__tmp~25#1; [2025-02-07 21:21:20,212 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L202: havoc main_~node1____CPAchecker_TMP_0~0#1; [2025-02-07 21:21:20,212 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4100: havoc main_~node3__m3~16#1; [2025-02-07 21:21:20,212 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1722: havoc main_~main____CPAchecker_TMP_0~11#1;havoc main_~__tmp_15~0#1, main_~assert__arg~14#1;havoc main_~check__tmp~15#1;havoc main_~node3____CPAchecker_TMP_1~2#1; [2025-02-07 21:21:20,212 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2846: havoc main_~node3____CPAchecker_TMP_0~7#1; [2025-02-07 21:21:20,212 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3507: havoc main_~main____CPAchecker_TMP_0~39#1;havoc main_~__tmp_43~0#1, main_~assert__arg~42#1;havoc main_~check__tmp~43#1;havoc main_~node3____CPAchecker_TMP_1~9#1; [2025-02-07 21:21:20,212 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3243: havoc main_~main____CPAchecker_TMP_0~35#1;havoc main_~__tmp_39~0#1, main_~assert__arg~38#1;havoc main_~check__tmp~39#1;havoc main_~node3____CPAchecker_TMP_1~8#1; [2025-02-07 21:21:20,212 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2319: havoc main_~node2__m2~4#1; [2025-02-07 21:21:20,212 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3642: havoc main_~main____CPAchecker_TMP_0~41#1;havoc main_~__tmp_45~0#1, main_~assert__arg~44#1;havoc main_~check__tmp~45#1; [2025-02-07 21:21:20,212 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2585: havoc main_~node3__m3~10#1; [2025-02-07 21:21:20,212 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L407: havoc main_~node3__m3~2#1; [2025-02-07 21:21:20,212 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3050: havoc main_~main____CPAchecker_TMP_0~32#1;havoc main_~__tmp_36~0#1, main_~assert__arg~35#1;havoc main_~check__tmp~36#1; [2025-02-07 21:21:20,212 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1861: havoc main_~main____CPAchecker_TMP_0~13#1;havoc main_~__tmp_17~0#1, main_~assert__arg~16#1;havoc main_~check__tmp~17#1; [2025-02-07 21:21:20,212 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1664: havoc main_~main____CPAchecker_TMP_0~10#1;havoc main_~__tmp_14~0#1, main_~assert__arg~13#1;havoc main_~check__tmp~14#1; [2025-02-07 21:21:20,212 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L211: havoc main_~node2__m2~0#1; [2025-02-07 21:21:20,212 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1533: havoc main_~main____CPAchecker_TMP_0~8#1;havoc main_~__tmp_12~0#1, main_~assert__arg~11#1;havoc main_~check__tmp~12#1; [2025-02-07 21:21:20,212 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3449: havoc main_~main____CPAchecker_TMP_0~38#1;havoc main_~__tmp_42~0#1, main_~assert__arg~41#1;havoc main_~check__tmp~42#1; [2025-02-07 21:21:20,212 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3185: havoc main_~main____CPAchecker_TMP_0~34#1;havoc main_~__tmp_38~0#1, main_~assert__arg~37#1;havoc main_~check__tmp~38#1; [2025-02-07 21:21:20,212 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4110: havoc main_~node3____CPAchecker_TMP_0~12#1; [2025-02-07 21:21:20,213 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2329: havoc main_~node2____CPAchecker_TMP_0~2#1; [2025-02-07 21:21:20,213 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3849: havoc main_~node3__m3~15#1;havoc main_~node2____CPAchecker_TMP_1~3#1; [2025-02-07 21:21:20,213 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L282: havoc main_~node1__m1~1#1;havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2025-02-07 21:21:20,213 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1273: havoc main_~check__tmp~9#1; [2025-02-07 21:21:20,213 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L943: havoc main_~main____CPAchecker_TMP_0~4#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1;havoc main_~check__tmp~4#1; [2025-02-07 21:21:20,213 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2595: havoc main_~node3____CPAchecker_TMP_0~6#1; [2025-02-07 21:21:20,213 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1076: havoc main_~node3__m3~4#1; [2025-02-07 21:21:20,213 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2992: havoc main_~main____CPAchecker_TMP_0~31#1;havoc main_~__tmp_35~0#1, main_~assert__arg~34#1;havoc main_~check__tmp~35#1;havoc main_~node3____CPAchecker_TMP_1~7#1; [2025-02-07 21:21:20,213 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4314: havoc main_~main____CPAchecker_TMP_0~52#1;havoc main_~__tmp_56~0#1, main_~assert__arg~55#1;havoc main_~check__tmp~56#1; [2025-02-07 21:21:20,213 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1209: havoc main_~node3__m3~5#1; [2025-02-07 21:21:20,213 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2068: havoc main_~node3__m3~8#1; [2025-02-07 21:21:20,213 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1475: havoc main_~main____CPAchecker_TMP_0~7#1;havoc main_~__tmp_11~0#1, main_~assert__arg~10#1;havoc main_~check__tmp~11#1;havoc main_~node3____CPAchecker_TMP_1~1#1; [2025-02-07 21:21:20,213 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: havoc main_~node2____CPAchecker_TMP_0~0#1; [2025-02-07 21:21:20,213 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L684: havoc main_~node2____CPAchecker_TMP_0~1#1; [2025-02-07 21:21:20,213 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2799: havoc main_~main____CPAchecker_TMP_0~28#1;havoc main_~__tmp_32~0#1, main_~assert__arg~31#1;havoc main_~check__tmp~32#1; [2025-02-07 21:21:20,213 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1610: havoc main_~main____CPAchecker_TMP_0~9#1;havoc main_~__tmp_13~0#1, main_~assert__arg~12#1;havoc main_~check__tmp~13#1; [2025-02-07 21:21:20,213 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2338: havoc main_~node3__m3~9#1; [2025-02-07 21:21:20,213 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3395: havoc main_~main____CPAchecker_TMP_0~37#1;havoc main_~__tmp_41~0#1, main_~assert__arg~40#1;havoc main_~check__tmp~41#1; [2025-02-07 21:21:20,214 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3131: havoc main_~main____CPAchecker_TMP_0~33#1;havoc main_~__tmp_37~0#1, main_~assert__arg~36#1;havoc main_~check__tmp~37#1; [2025-02-07 21:21:20,214 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2934: havoc main_~main____CPAchecker_TMP_0~30#1;havoc main_~__tmp_34~0#1, main_~assert__arg~33#1;havoc main_~check__tmp~34#1; [2025-02-07 21:21:20,214 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3859: havoc main_~node3____CPAchecker_TMP_0~11#1; [2025-02-07 21:21:20,215 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4256: havoc main_~main____CPAchecker_TMP_0~51#1;havoc main_~__tmp_55~0#1, main_~assert__arg~54#1;havoc main_~check__tmp~55#1;havoc main_~node3____CPAchecker_TMP_1~12#1; [2025-02-07 21:21:20,215 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 21:21:20,215 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3332: havoc main_~node2__m2~5#1; [2025-02-07 21:21:20,215 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1417: havoc main_~main____CPAchecker_TMP_0~6#1;havoc main_~__tmp_10~0#1, main_~assert__arg~9#1;havoc main_~check__tmp~10#1; [2025-02-07 21:21:20,215 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2078: havoc main_~node3____CPAchecker_TMP_0~4#1; [2025-02-07 21:21:20,215 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3598: havoc main_~node3__m3~14#1; [2025-02-07 21:21:20,215 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L626: havoc main_~node3____CPAchecker_TMP_1~0#1; [2025-02-07 21:21:20,215 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node3__m3~0#1; [2025-02-07 21:21:20,215 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2741: havoc main_~main____CPAchecker_TMP_0~27#1;havoc main_~__tmp_31~0#1, main_~assert__arg~30#1;havoc main_~check__tmp~31#1;havoc main_~node3____CPAchecker_TMP_1~6#1; [2025-02-07 21:21:20,216 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4063: havoc main_~main____CPAchecker_TMP_0~48#1;havoc main_~__tmp_52~0#1, main_~assert__arg~51#1;havoc main_~check__tmp~52#1; [2025-02-07 21:21:20,216 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1817: havoc main_~node3__m3~7#1;havoc main_~node2____CPAchecker_TMP_1~1#1; [2025-02-07 21:21:20,332 INFO L? ?]: Removed 791 outVars from TransFormulas that were not future-live. [2025-02-07 21:21:20,332 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 21:21:20,359 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 21:21:20,359 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 21:21:20,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:21:20 BoogieIcfgContainer [2025-02-07 21:21:20,360 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 21:21:20,362 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 21:21:20,362 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 21:21:20,367 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 21:21:20,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 09:21:17" (1/3) ... [2025-02-07 21:21:20,368 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc9ff6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:21:20, skipping insertion in model container [2025-02-07 21:21:20,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:18" (2/3) ... [2025-02-07 21:21:20,368 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc9ff6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:21:20, skipping insertion in model container [2025-02-07 21:21:20,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:21:20" (3/3) ... [2025-02-07 21:21:20,370 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2025-02-07 21:21:20,385 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 21:21:20,389 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c that has 1 procedures, 445 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2025-02-07 21:21:20,463 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 21:21:20,473 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@97a62e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 21:21:20,473 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-07 21:21:20,480 INFO L276 IsEmpty]: Start isEmpty. Operand has 444 states, 376 states have (on average 1.997340425531915) internal successors, (751), 443 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:21:20,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-02-07 21:21:20,491 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 21:21:20,492 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] [2025-02-07 21:21:20,492 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-02-07 21:21:20,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 21:21:20,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1271660972, now seen corresponding path program 1 times [2025-02-07 21:21:20,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 21:21:20,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028537331] [2025-02-07 21:21:20,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 21:21:20,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 21:21:20,603 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-07 21:21:20,828 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-07 21:21:20,829 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 21:21:20,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 21:21:22,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 21:21:22,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 21:21:22,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028537331] [2025-02-07 21:21:22,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028537331] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 21:21:22,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 21:21:22,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2025-02-07 21:21:22,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064486982] [2025-02-07 21:21:22,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 21:21:22,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-02-07 21:21:22,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 21:21:22,556 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-02-07 21:21:22,557 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2025-02-07 21:21:22,561 INFO L87 Difference]: Start difference. First operand has 444 states, 376 states have (on average 1.997340425531915) internal successors, (751), 443 states have internal predecessors, (751), 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 19 states, 19 states have (on average 2.789473684210526) internal successors, (53), 18 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:21:24,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 21:21:24,863 INFO L93 Difference]: Finished difference Result 465 states and 751 transitions. [2025-02-07 21:21:24,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-07 21:21:24,869 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.789473684210526) internal successors, (53), 18 states have internal predecessors, (53), 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 53 [2025-02-07 21:21:24,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 21:21:24,877 INFO L225 Difference]: With dead ends: 465 [2025-02-07 21:21:24,877 INFO L226 Difference]: Without dead ends: 92 [2025-02-07 21:21:24,884 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=204, Invalid=986, Unknown=0, NotChecked=0, Total=1190 [2025-02-07 21:21:24,888 INFO L435 NwaCegarLoop]: 575 mSDtfsCounter, 2969 mSDsluCounter, 5125 mSDsCounter, 0 mSdLazyCounter, 2104 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2969 SdHoareTripleChecker+Valid, 5700 SdHoareTripleChecker+Invalid, 2108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-02-07 21:21:24,890 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2969 Valid, 5700 Invalid, 2108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2104 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-02-07 21:21:24,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2025-02-07 21:21:24,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2025-02-07 21:21:24,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 89 states have (on average 1.0224719101123596) internal successors, (91), 91 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:21:24,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 91 transitions. [2025-02-07 21:21:24,926 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 91 transitions. Word has length 53 [2025-02-07 21:21:24,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 21:21:24,927 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 91 transitions. [2025-02-07 21:21:24,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.789473684210526) internal successors, (53), 18 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:21:24,928 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 91 transitions. [2025-02-07 21:21:24,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-02-07 21:21:24,929 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 21:21:24,929 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] [2025-02-07 21:21:24,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 21:21:24,929 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-02-07 21:21:24,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 21:21:24,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1671835764, now seen corresponding path program 1 times [2025-02-07 21:21:24,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 21:21:24,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458285284] [2025-02-07 21:21:24,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 21:21:24,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 21:21:24,952 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-07 21:21:24,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-07 21:21:24,994 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 21:21:24,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 21:21:26,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 21:21:26,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 21:21:26,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458285284] [2025-02-07 21:21:26,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458285284] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 21:21:26,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 21:21:26,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2025-02-07 21:21:26,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563109677] [2025-02-07 21:21:26,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 21:21:26,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-02-07 21:21:26,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 21:21:26,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-02-07 21:21:26,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2025-02-07 21:21:26,133 INFO L87 Difference]: Start difference. First operand 92 states and 91 transitions. Second operand has 19 states, 19 states have (on average 2.789473684210526) internal successors, (53), 18 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:21:27,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 21:21:27,085 INFO L93 Difference]: Finished difference Result 92 states and 91 transitions. [2025-02-07 21:21:27,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-07 21:21:27,086 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.789473684210526) internal successors, (53), 18 states have internal predecessors, (53), 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 53 [2025-02-07 21:21:27,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 21:21:27,087 INFO L225 Difference]: With dead ends: 92 [2025-02-07 21:21:27,087 INFO L226 Difference]: Without dead ends: 83 [2025-02-07 21:21:27,088 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=261, Invalid=929, Unknown=0, NotChecked=0, Total=1190 [2025-02-07 21:21:27,088 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 198 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-07 21:21:27,089 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 692 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-07 21:21:27,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2025-02-07 21:21:27,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2025-02-07 21:21:27,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 81 states have (on average 1.0123456790123457) internal successors, (82), 82 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:21:27,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 82 transitions. [2025-02-07 21:21:27,097 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 82 transitions. Word has length 53 [2025-02-07 21:21:27,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 21:21:27,098 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 82 transitions. [2025-02-07 21:21:27,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.789473684210526) internal successors, (53), 18 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:21:27,098 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 82 transitions. [2025-02-07 21:21:27,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-02-07 21:21:27,101 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 21:21:27,101 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] [2025-02-07 21:21:27,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-07 21:21:27,101 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-02-07 21:21:27,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 21:21:27,102 INFO L85 PathProgramCache]: Analyzing trace with hash -519728598, now seen corresponding path program 1 times [2025-02-07 21:21:27,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 21:21:27,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322007009] [2025-02-07 21:21:27,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 21:21:27,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 21:21:27,126 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-07 21:21:27,161 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-07 21:21:27,162 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 21:21:27,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 21:21:28,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 21:21:28,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 21:21:28,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322007009] [2025-02-07 21:21:28,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322007009] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 21:21:28,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 21:21:28,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2025-02-07 21:21:28,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125192067] [2025-02-07 21:21:28,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 21:21:28,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-02-07 21:21:28,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 21:21:28,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-02-07 21:21:28,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2025-02-07 21:21:28,086 INFO L87 Difference]: Start difference. First operand 83 states and 82 transitions. Second operand has 19 states, 19 states have (on average 2.789473684210526) internal successors, (53), 18 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:21:28,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 21:21:28,843 INFO L93 Difference]: Finished difference Result 83 states and 82 transitions. [2025-02-07 21:21:28,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-07 21:21:28,843 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.789473684210526) internal successors, (53), 18 states have internal predecessors, (53), 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 53 [2025-02-07 21:21:28,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 21:21:28,844 INFO L225 Difference]: With dead ends: 83 [2025-02-07 21:21:28,844 INFO L226 Difference]: Without dead ends: 69 [2025-02-07 21:21:28,845 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=214, Invalid=842, Unknown=0, NotChecked=0, Total=1056 [2025-02-07 21:21:28,846 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 221 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-07 21:21:28,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 609 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-07 21:21:28,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2025-02-07 21:21:28,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2025-02-07 21:21:28,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 68 states have (on average 1.0) internal successors, (68), 68 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:21:28,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 68 transitions. [2025-02-07 21:21:28,849 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 68 transitions. Word has length 53 [2025-02-07 21:21:28,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 21:21:28,850 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 68 transitions. [2025-02-07 21:21:28,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.789473684210526) internal successors, (53), 18 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:21:28,850 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 68 transitions. [2025-02-07 21:21:28,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-02-07 21:21:28,851 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 21:21:28,851 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] [2025-02-07 21:21:28,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-07 21:21:28,852 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-02-07 21:21:28,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 21:21:28,852 INFO L85 PathProgramCache]: Analyzing trace with hash 2090814872, now seen corresponding path program 1 times [2025-02-07 21:21:28,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 21:21:28,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928229520] [2025-02-07 21:21:28,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 21:21:28,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 21:21:28,879 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-07 21:21:28,901 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-07 21:21:28,902 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 21:21:28,902 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 21:21:29,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 21:21:29,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 21:21:29,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928229520] [2025-02-07 21:21:29,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928229520] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 21:21:29,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 21:21:29,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-02-07 21:21:29,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785114182] [2025-02-07 21:21:29,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 21:21:29,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-07 21:21:29,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 21:21:29,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-07 21:21:29,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2025-02-07 21:21:29,203 INFO L87 Difference]: Start difference. First operand 69 states and 68 transitions. Second operand has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:21:29,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 21:21:29,554 INFO L93 Difference]: Finished difference Result 69 states and 68 transitions. [2025-02-07 21:21:29,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-07 21:21:29,554 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 12 states have internal predecessors, (68), 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 68 [2025-02-07 21:21:29,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 21:21:29,555 INFO L225 Difference]: With dead ends: 69 [2025-02-07 21:21:29,555 INFO L226 Difference]: Without dead ends: 0 [2025-02-07 21:21:29,555 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2025-02-07 21:21:29,556 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 231 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-07 21:21:29,556 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 204 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-07 21:21:29,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-07 21:21:29,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-07 21:21:29,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:21:29,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-07 21:21:29,557 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2025-02-07 21:21:29,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 21:21:29,558 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-07 21:21:29,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:21:29,558 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-07 21:21:29,558 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 21:21:29,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2025-02-07 21:21:29,563 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2025-02-07 21:21:29,563 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2025-02-07 21:21:29,563 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2025-02-07 21:21:29,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-07 21:21:29,566 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-02-07 21:21:29,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-07 21:21:29,573 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 21:21:29,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 09:21:29 BoogieIcfgContainer [2025-02-07 21:21:29,583 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 21:21:29,583 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 21:21:29,583 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 21:21:29,583 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 21:21:29,584 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:21:20" (3/4) ... [2025-02-07 21:21:29,586 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 21:21:29,622 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-07 21:21:29,625 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-07 21:21:29,628 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-07 21:21:29,632 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 21:21:29,830 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 21:21:29,831 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 21:21:29,831 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 21:21:29,833 INFO L158 Benchmark]: Toolchain (without parser) took 12500.14ms. Allocated memory was 142.6MB in the beginning and 226.5MB in the end (delta: 83.9MB). Free memory was 109.3MB in the beginning and 139.0MB in the end (delta: -29.7MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2025-02-07 21:21:29,833 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 201.3MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 21:21:29,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 687.50ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 63.3MB in the end (delta: 45.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-02-07 21:21:29,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.56ms. Allocated memory is still 142.6MB. Free memory was 63.3MB in the beginning and 52.7MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 21:21:29,834 INFO L158 Benchmark]: Boogie Preprocessor took 133.08ms. Allocated memory is still 142.6MB. Free memory was 52.7MB in the beginning and 43.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 21:21:29,835 INFO L158 Benchmark]: IcfgBuilder took 2106.43ms. Allocated memory is still 142.6MB. Free memory was 43.5MB in the beginning and 57.9MB in the end (delta: -14.5MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2025-02-07 21:21:29,835 INFO L158 Benchmark]: TraceAbstraction took 9220.88ms. Allocated memory was 142.6MB in the beginning and 226.5MB in the end (delta: 83.9MB). Free memory was 57.0MB in the beginning and 166.7MB in the end (delta: -109.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 21:21:29,835 INFO L158 Benchmark]: Witness Printer took 247.81ms. Allocated memory is still 226.5MB. Free memory was 166.7MB in the beginning and 139.0MB in the end (delta: 27.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-07 21:21:29,837 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 201.3MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 687.50ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 63.3MB in the end (delta: 45.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.56ms. Allocated memory is still 142.6MB. Free memory was 63.3MB in the beginning and 52.7MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 133.08ms. Allocated memory is still 142.6MB. Free memory was 52.7MB in the beginning and 43.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 2106.43ms. Allocated memory is still 142.6MB. Free memory was 43.5MB in the beginning and 57.9MB in the end (delta: -14.5MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * TraceAbstraction took 9220.88ms. Allocated memory was 142.6MB in the beginning and 226.5MB in the end (delta: 83.9MB). Free memory was 57.0MB in the beginning and 166.7MB in the end (delta: -109.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 247.81ms. Allocated memory is still 226.5MB. Free memory was 166.7MB in the beginning and 139.0MB in the end (delta: 27.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 452]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 992]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1167]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1250]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 445 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 9.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3619 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3619 mSDsluCounter, 7205 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6484 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3097 IncrementalHoareTripleChecker+Invalid, 3104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 721 mSDtfsCounter, 3097 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 432 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=444occurred in iteration=0, InterpolantAutomatonStates: 71, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 227 NumberOfCodeBlocks, 227 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 223 ConstructedInterpolants, 0 QuantifiedInterpolants, 4143 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-07 21:21:29,858 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE