./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.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.3.1.ufo.UNBOUNDED.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 34aba2e0444cf7168338399e1c016871ad9a3305ff2dee9e611b86f3cad834b5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 21:21:08,961 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 21:21:09,000 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 21:21:09,004 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 21:21:09,004 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 21:21:09,018 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 21:21:09,019 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 21:21:09,019 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 21:21:09,019 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 21:21:09,019 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 21:21:09,019 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 21:21:09,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 21:21:09,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 21:21:09,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 21:21:09,020 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 21:21:09,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 21:21:09,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 21:21:09,020 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 21:21:09,020 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 21:21:09,020 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 21:21:09,020 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 21:21:09,021 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 21:21:09,021 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 21:21:09,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 21:21:09,021 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 21:21:09,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 21:21:09,021 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 21:21:09,021 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 21:21:09,021 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 21:21:09,021 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 21:21:09,021 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 21:21:09,022 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 21:21:09,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:21:09,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 21:21:09,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 21:21:09,022 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 21:21:09,022 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 21:21:09,022 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 21:21:09,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 21:21:09,022 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 21:21:09,022 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 21:21:09,022 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 21:21:09,022 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 21:21:09,023 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 -> 34aba2e0444cf7168338399e1c016871ad9a3305ff2dee9e611b86f3cad834b5 [2025-02-07 21:21:09,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 21:21:09,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 21:21:09,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 21:21:09,214 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 21:21:09,214 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 21:21:09,215 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2025-02-07 21:21:10,344 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0a320bcde/e3e122df499b45a2bd558f5e5f5469c0/FLAG88881db81 [2025-02-07 21:21:10,641 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 21:21:10,641 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2025-02-07 21:21:10,655 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0a320bcde/e3e122df499b45a2bd558f5e5f5469c0/FLAG88881db81 [2025-02-07 21:21:10,665 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0a320bcde/e3e122df499b45a2bd558f5e5f5469c0 [2025-02-07 21:21:10,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 21:21:10,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 21:21:10,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 21:21:10,669 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 21:21:10,672 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 21:21:10,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:21:10" (1/1) ... [2025-02-07 21:21:10,673 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74ed7142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:10, skipping insertion in model container [2025-02-07 21:21:10,673 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:21:10" (1/1) ... [2025-02-07 21:21:10,709 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 21:21:10,873 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.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[8127,8140] [2025-02-07 21:21:10,902 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.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14997,15010] [2025-02-07 21:21:10,908 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.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17084,17097] [2025-02-07 21:21:10,911 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.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18108,18121] [2025-02-07 21:21:11,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:21:11,025 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 21:21:11,050 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.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[8127,8140] [2025-02-07 21:21:11,061 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.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14997,15010] [2025-02-07 21:21:11,068 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.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17084,17097] [2025-02-07 21:21:11,075 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.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18108,18121] [2025-02-07 21:21:11,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:21:11,194 INFO L204 MainTranslator]: Completed translation [2025-02-07 21:21:11,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:11 WrapperNode [2025-02-07 21:21:11,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 21:21:11,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 21:21:11,195 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 21:21:11,195 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 21:21:11,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:11" (1/1) ... [2025-02-07 21:21:11,220 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:11" (1/1) ... [2025-02-07 21:21:11,271 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2620 [2025-02-07 21:21:11,271 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 21:21:11,272 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 21:21:11,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 21:21:11,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 21:21:11,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:11" (1/1) ... [2025-02-07 21:21:11,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:11" (1/1) ... [2025-02-07 21:21:11,287 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:11" (1/1) ... [2025-02-07 21:21:11,311 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 21:21:11,311 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:11" (1/1) ... [2025-02-07 21:21:11,311 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:11" (1/1) ... [2025-02-07 21:21:11,332 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:11" (1/1) ... [2025-02-07 21:21:11,336 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:11" (1/1) ... [2025-02-07 21:21:11,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:11" (1/1) ... [2025-02-07 21:21:11,343 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:11" (1/1) ... [2025-02-07 21:21:11,351 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 21:21:11,352 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 21:21:11,352 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 21:21:11,352 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 21:21:11,352 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:11" (1/1) ... [2025-02-07 21:21:11,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:21:11,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 21:21:11,389 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 21:21:11,393 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 21:21:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 21:21:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 21:21:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 21:21:11,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 21:21:11,559 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 21:21:11,561 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 21:21:12,733 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1621: havoc main_~__tmp_13~0#1, main_~assert__arg~12#1;havoc main_~check__tmp~13#1; [2025-02-07 21:21:12,733 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2150: havoc main_~__tmp_22~0#1, main_~assert__arg~21#1;havoc main_~check__tmp~22#1; [2025-02-07 21:21:12,733 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3868: havoc main_~__tmp_50~0#1, main_~assert__arg~49#1;havoc main_~check__tmp~50#1; [2025-02-07 21:21:12,733 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L235: havoc main_~node3____CPAchecker_TMP_0~0#1; [2025-02-07 21:21:12,733 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L699: havoc main_~node2____CPAchecker_TMP_0~1#1; [2025-02-07 21:21:12,734 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1492: 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 21:21:12,734 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1096: havoc main_~node2__m2~3#1; [2025-02-07 21:21:12,734 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2021: havoc main_~__tmp_20~0#1, main_~assert__arg~19#1;havoc main_~check__tmp~20#1; [2025-02-07 21:21:12,734 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3739: havoc main_~__tmp_48~0#1, main_~assert__arg~47#1;havoc main_~check__tmp~48#1; [2025-02-07 21:21:12,734 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3343: havoc main_~__tmp_41~0#1, main_~assert__arg~40#1;havoc main_~check__tmp~41#1; [2025-02-07 21:21:12,734 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2882: havoc main_~__tmp_34~0#1, main_~assert__arg~33#1;havoc main_~check__tmp~34#1; [2025-02-07 21:21:12,734 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L504: havoc main_~node1____CPAchecker_TMP_0~1#1; [2025-02-07 21:21:12,734 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1826: havoc main_~node3__m3~7#1;havoc main_~node2____CPAchecker_TMP_1~1#1; [2025-02-07 21:21:12,734 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3544: havoc main_~node3__m3~14#1; [2025-02-07 21:21:12,734 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2753: havoc main_~__tmp_32~0#1, main_~assert__arg~31#1;havoc main_~check__tmp~32#1; [2025-02-07 21:21:12,734 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2357: havoc main_~__tmp_25~0#1, main_~assert__arg~24#1;havoc main_~check__tmp~25#1; [2025-02-07 21:21:12,734 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L641: havoc main_~node3____CPAchecker_TMP_1~0#1; [2025-02-07 21:21:12,735 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2558: havoc main_~node3__m3~10#1; [2025-02-07 21:21:12,735 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L312: havoc main_~node3__m3~1#1; [2025-02-07 21:21:12,735 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L973: havoc main_~__tmp_5~0#1, main_~assert__arg~4#1;havoc main_~check__tmp~4#1; [2025-02-07 21:21:12,735 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L446: havoc main_~node1__m1~3#1;havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2025-02-07 21:21:12,735 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1437: havoc main_~__tmp_10~0#1, main_~assert__arg~9#1;havoc main_~check__tmp~10#1; [2025-02-07 21:21:12,735 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L380: havoc main_~node2__m2~2#1; [2025-02-07 21:21:12,735 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1966: 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 21:21:12,735 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3684: 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 21:21:12,735 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2099: havoc main_~__tmp_21~0#1, main_~assert__arg~20#1;havoc main_~check__tmp~21#1; [2025-02-07 21:21:12,735 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3817: havoc main_~__tmp_49~0#1, main_~assert__arg~48#1;havoc main_~check__tmp~49#1; [2025-02-07 21:21:12,735 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1307: havoc main_~check__tmp~9#1; [2025-02-07 21:21:12,735 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1836: havoc main_~node3____CPAchecker_TMP_0~3#1; [2025-02-07 21:21:12,735 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3554: havoc main_~node3____CPAchecker_TMP_0~10#1; [2025-02-07 21:21:12,735 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3290: havoc main_~node2__m2~5#1;havoc main_~node1____CPAchecker_TMP_1~2#1; [2025-02-07 21:21:12,736 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1243: havoc main_~node3__m3~5#1; [2025-02-07 21:21:12,736 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L186: 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____CPAchecker_TMP_1~0#1, main_~node1__m1~3#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____CPAchecker_TMP_1~1#1, main_~node1__m1~2#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~1#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~3#1, main_~node3__m3~1#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_~__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_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~__tmp_10~0#1, main_~assert__arg~9#1, main_~check__tmp~10#1, main_~node3____CPAchecker_TMP_0~0#1, main_~__tmp_11~0#1, main_~assert__arg~10#1, main_~check__tmp~11#1, main_~node3____CPAchecker_TMP_1~1#1, main_~__tmp_12~0#1, main_~assert__arg~11#1, main_~check__tmp~12#1, main_~node3__m3~0#1, main_~__tmp_13~0#1, main_~assert__arg~12#1, main_~check__tmp~13#1, main_~__tmp_14~0#1, main_~assert__arg~13#1, main_~check__tmp~14#1, main_~node3____CPAchecker_TMP_0~2#1, main_~__tmp_15~0#1, main_~assert__arg~14#1, main_~check__tmp~15#1, main_~node3____CPAchecker_TMP_1~2#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_~__tmp_17~0#1, main_~assert__arg~16#1, main_~check__tmp~17#1, main_~__tmp_18~0#1, main_~assert__arg~17#1, main_~check__tmp~18#1, main_~node3____CPAchecker_TMP_0~3#1, main_~__tmp_19~0#1, main_~assert__arg~18#1, main_~check__tmp~19#1, main_~node3____CPAchecker_TMP_1~3#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_~__tmp_21~0#1, main_~assert__arg~20#1, main_~check__tmp~21#1, main_~__tmp_22~0#1, main_~assert__arg~21#1, main_~check__tmp~22#1, main_~node3____CPAchecker_TMP_0~4#1, main_~__tmp_23~0#1, main_~assert__arg~22#1, main_~check__tmp~23#1, main_~node3____CPAchecker_TMP_1~4#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_~__tmp_25~0#1, main_~assert__arg~24#1, main_~check__tmp~25#1, main_~__tmp_26~0#1, main_~assert__arg~25#1, main_~check__tmp~26#1, main_~node3____CPAchecker_TMP_0~5#1, main_~__tmp_27~0#1, main_~assert__arg~26#1, main_~check__tmp~27#1, main_~node3____CPAchecker_TMP_1~5#1, main_~__tmp_28~0#1, main_~assert__arg~27#1, main_~check__tmp~28#1, main_~node3__m3~9#1, main_~__tmp_29~0#1, main_~assert__arg~28#1, main_~check__tmp~29#1, main_~__tmp_30~0#1, main_~assert__arg~29#1, main_~check__tmp~30#1, main_~node3____CPAchecker_TMP_0~6#1, main_~__tmp_31~0#1, main_~assert__arg~30#1, main_~check__tmp~31#1, main_~node3____CPAchecker_TMP_1~6#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_~__tmp_33~0#1, main_~assert__arg~32#1, main_~check__tmp~33#1, main_~__tmp_34~0#1, main_~assert__arg~33#1, main_~check__tmp~34#1, main_~node3____CPAchecker_TMP_0~7#1, main_~__tmp_35~0#1, main_~assert__arg~34#1, main_~check__tmp~35#1, main_~node3____CPAchecker_TMP_1~7#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_~__tmp_37~0#1, main_~assert__arg~36#1, main_~check__tmp~37#1, main_~__tmp_38~0#1, main_~assert__arg~37#1, main_~check__tmp~38#1, main_~node3____CPAchecker_TMP_0~8#1, main_~__tmp_39~0#1, main_~assert__arg~38#1, main_~check__tmp~39#1, main_~node3____CPAchecker_TMP_1~8#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_~__tmp_41~0#1, main_~assert__arg~40#1, main_~check__tmp~41#1, main_~__tmp_42~0#1, main_~assert__arg~41#1, main_~check__tmp~42#1, main_~node3____CPAchecker_TMP_0~9#1, main_~__tmp_43~0#1, main_~assert__arg~42#1, main_~check__tmp~43#1, main_~node3____CPAchecker_TMP_1~9#1, main_~__tmp_44~0#1, main_~assert__arg~43#1, main_~check__tmp~44#1, main_~node3__m3~13#1, main_~__tmp_45~0#1, main_~assert__arg~44#1, main_~check__tmp~45#1, main_~__tmp_46~0#1, main_~assert__arg~45#1, main_~check__tmp~46#1, main_~node3____CPAchecker_TMP_0~10#1, main_~__tmp_47~0#1, main_~assert__arg~46#1, main_~check__tmp~47#1, main_~node3____CPAchecker_TMP_1~10#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_~__tmp_49~0#1, main_~assert__arg~48#1, main_~check__tmp~49#1, main_~__tmp_50~0#1, main_~assert__arg~49#1, main_~check__tmp~50#1, main_~node3____CPAchecker_TMP_0~11#1, main_~__tmp_51~0#1, main_~assert__arg~50#1, main_~check__tmp~51#1, main_~node3____CPAchecker_TMP_1~11#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_~__tmp_53~0#1, main_~assert__arg~52#1, main_~check__tmp~53#1, main_~__tmp_54~0#1, main_~assert__arg~53#1, main_~check__tmp~54#1, main_~node3____CPAchecker_TMP_0~12#1, main_~__tmp_55~0#1, main_~assert__arg~54#1, main_~check__tmp~55#1, main_~node3____CPAchecker_TMP_1~12#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____CPAchecker_TMP_1~2#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 21:21:12,736 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4217: havoc main_~__tmp_56~0#1, main_~assert__arg~55#1;havoc main_~check__tmp~56#1; [2025-02-07 21:21:12,736 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2698: 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 21:21:12,736 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1113: havoc main_~node3__m3~4#1; [2025-02-07 21:21:12,736 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2831: havoc main_~__tmp_33~0#1, main_~assert__arg~32#1;havoc main_~check__tmp~33#1; [2025-02-07 21:21:12,736 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2568: havoc main_~node3____CPAchecker_TMP_0~6#1; [2025-02-07 21:21:12,736 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2304: havoc main_~node2__m2~4#1; [2025-02-07 21:21:12,736 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4022: havoc main_~node3__m3~16#1; [2025-02-07 21:21:12,736 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3231: havoc main_~__tmp_40~0#1, main_~assert__arg~39#1;havoc main_~check__tmp~40#1; [2025-02-07 21:21:12,737 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1911: havoc main_~__tmp_18~0#1, main_~assert__arg~17#1;havoc main_~check__tmp~18#1; [2025-02-07 21:21:12,737 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3629: havoc main_~__tmp_46~0#1, main_~assert__arg~45#1;havoc main_~check__tmp~46#1; [2025-02-07 21:21:12,737 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3300: havoc main_~node2____CPAchecker_TMP_0~3#1; [2025-02-07 21:21:12,737 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3036: havoc main_~node3__m3~12#1; [2025-02-07 21:21:12,737 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1____CPAchecker_TMP_0~0#1; [2025-02-07 21:21:12,737 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L791: havoc main_~node1____CPAchecker_TMP_0~2#1; [2025-02-07 21:21:12,737 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1782: havoc main_~__tmp_16~0#1, main_~assert__arg~15#1;havoc main_~check__tmp~16#1; [2025-02-07 21:21:12,737 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4162: 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 21:21:12,737 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L727: havoc main_~node2____CPAchecker_TMP_1~0#1; [2025-02-07 21:21:12,737 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2643: havoc main_~__tmp_30~0#1, main_~assert__arg~29#1;havoc main_~check__tmp~30#1; [2025-02-07 21:21:12,737 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1587: havoc main_~node3__m3~6#1; [2025-02-07 21:21:12,737 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L398: havoc main_~node3__m3~2#1; [2025-02-07 21:21:12,737 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2314: havoc main_~node2____CPAchecker_TMP_0~2#1; [2025-02-07 21:21:12,738 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4032: havoc main_~node3____CPAchecker_TMP_0~12#1; [2025-02-07 21:21:12,738 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3504: havoc main_~__tmp_44~0#1, main_~assert__arg~43#1;havoc main_~check__tmp~44#1; [2025-02-07 21:21:12,738 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L532: havoc main_~node1____CPAchecker_TMP_1~0#1; [2025-02-07 21:21:12,738 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1194: havoc main_~__tmp_8~0#1, main_~assert__arg~7#1;havoc main_~check__tmp~7#1; [2025-02-07 21:21:12,738 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3176: 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 21:21:12,738 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3309: havoc main_~node3__m3~13#1; [2025-02-07 21:21:12,738 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L271: havoc main_~node1__m1~1#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2025-02-07 21:21:12,738 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3046: havoc main_~node3____CPAchecker_TMP_0~8#1; [2025-02-07 21:21:12,738 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2518: havoc main_~__tmp_28~0#1, main_~assert__arg~27#1;havoc main_~check__tmp~28#1; [2025-02-07 21:21:12,738 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L206: havoc main_~node2__m2~0#1; [2025-02-07 21:21:12,738 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1727: 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 21:21:12,738 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1860: havoc main_~__tmp_17~0#1, main_~assert__arg~16#1;havoc main_~check__tmp~17#1; [2025-02-07 21:21:12,738 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3578: havoc main_~__tmp_45~0#1, main_~assert__arg~44#1;havoc main_~check__tmp~45#1; [2025-02-07 21:21:12,739 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2323: havoc main_~node3__m3~9#1; [2025-02-07 21:21:12,739 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4107: havoc main_~__tmp_54~0#1, main_~assert__arg~53#1;havoc main_~check__tmp~54#1; [2025-02-07 21:21:12,739 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1597: havoc main_~node3____CPAchecker_TMP_0~2#1; [2025-02-07 21:21:12,739 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3449: 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 21:21:12,739 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2260: havoc main_~__tmp_24~0#1, main_~assert__arg~23#1;havoc main_~check__tmp~24#1; [2025-02-07 21:21:12,739 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3978: havoc main_~__tmp_52~0#1, main_~assert__arg~51#1;havoc main_~check__tmp~52#1; [2025-02-07 21:21:12,739 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2592: havoc main_~__tmp_29~0#1, main_~assert__arg~28#1;havoc main_~check__tmp~29#1; [2025-02-07 21:21:12,739 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3319: havoc main_~node3____CPAchecker_TMP_0~9#1; [2025-02-07 21:21:12,739 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3121: havoc main_~__tmp_38~0#1, main_~assert__arg~37#1;havoc main_~check__tmp~38#1; [2025-02-07 21:21:12,739 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L941: havoc main_~node3__m3~3#1; [2025-02-07 21:21:12,739 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2065: havoc main_~node3__m3~8#1; [2025-02-07 21:21:12,739 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3783: havoc main_~node3__m3~15#1;havoc main_~node2____CPAchecker_TMP_1~3#1; [2025-02-07 21:21:12,739 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L216: havoc main_~node2____CPAchecker_TMP_0~0#1; [2025-02-07 21:21:12,739 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L613: havoc main_~node3____CPAchecker_TMP_0~1#1; [2025-02-07 21:21:12,739 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2463: 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 21:21:12,739 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2992: havoc main_~__tmp_36~0#1, main_~assert__arg~35#1;havoc main_~check__tmp~36#1; [2025-02-07 21:21:12,739 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1672: havoc main_~__tmp_14~0#1, main_~assert__arg~13#1;havoc main_~check__tmp~14#1; [2025-02-07 21:21:12,739 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2333: havoc main_~node3____CPAchecker_TMP_0~5#1; [2025-02-07 21:21:12,739 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1277: havoc main_~__tmp_9~0#1, main_~assert__arg~8#1;havoc main_~check__tmp~8#1; [2025-02-07 21:21:12,739 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1145: havoc main_~__tmp_7~0#1, main_~assert__arg~6#1;havoc main_~check__tmp~6#1; [2025-02-07 21:21:12,739 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2797: havoc main_~node3__m3~11#1;havoc main_~node2____CPAchecker_TMP_1~2#1; [2025-02-07 21:21:12,740 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3394: havoc main_~__tmp_42~0#1, main_~assert__arg~41#1;havoc main_~check__tmp~42#1; [2025-02-07 21:21:12,740 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2205: 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 21:21:12,740 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L884: havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2025-02-07 21:21:12,740 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3923: 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 21:21:12,740 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L356: havoc main_~node1__m1~2#1;havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2025-02-07 21:21:12,740 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4056: havoc main_~__tmp_53~0#1, main_~assert__arg~52#1;havoc main_~check__tmp~53#1; [2025-02-07 21:21:12,740 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L819: havoc main_~node1____CPAchecker_TMP_1~1#1; [2025-02-07 21:21:12,740 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L225: havoc main_~node3__m3~0#1; [2025-02-07 21:21:12,740 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2075: havoc main_~node3____CPAchecker_TMP_0~4#1; [2025-02-07 21:21:12,740 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3793: havoc main_~node3____CPAchecker_TMP_0~11#1; [2025-02-07 21:21:12,740 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1547: havoc main_~__tmp_12~0#1, main_~assert__arg~11#1;havoc main_~check__tmp~12#1; [2025-02-07 21:21:12,740 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 21:21:12,740 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2408: havoc main_~__tmp_26~0#1, main_~assert__arg~25#1;havoc main_~check__tmp~26#1; [2025-02-07 21:21:12,740 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2937: 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 21:21:12,740 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L295: havoc main_~node2__m2~1#1; [2025-02-07 21:21:12,740 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3070: havoc main_~__tmp_37~0#1, main_~assert__arg~36#1;havoc main_~check__tmp~37#1; [2025-02-07 21:21:12,740 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1022: havoc main_~__tmp_6~0#1, main_~assert__arg~5#1;havoc main_~check__tmp~5#1; [2025-02-07 21:21:12,740 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2807: havoc main_~node3____CPAchecker_TMP_0~7#1; [2025-02-07 21:21:12,816 INFO L? ?]: Removed 688 outVars from TransFormulas that were not future-live. [2025-02-07 21:21:12,817 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 21:21:12,833 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 21:21:12,833 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 21:21:12,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:21:12 BoogieIcfgContainer [2025-02-07 21:21:12,834 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 21:21:12,835 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 21:21:12,835 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 21:21:12,839 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 21:21:12,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 09:21:10" (1/3) ... [2025-02-07 21:21:12,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1994be62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:21:12, skipping insertion in model container [2025-02-07 21:21:12,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:11" (2/3) ... [2025-02-07 21:21:12,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1994be62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:21:12, skipping insertion in model container [2025-02-07 21:21:12,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:21:12" (3/3) ... [2025-02-07 21:21:12,840 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2025-02-07 21:21:12,850 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 21:21:12,853 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c that has 1 procedures, 461 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2025-02-07 21:21:12,897 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 21:21:12,904 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;@30818975, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 21:21:12,905 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-07 21:21:12,909 INFO L276 IsEmpty]: Start isEmpty. Operand has 460 states, 384 states have (on average 1.9973958333333333) internal successors, (767), 459 states have internal predecessors, (767), 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 21:21:12,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-02-07 21:21:12,917 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 21:21:12,917 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] [2025-02-07 21:21:12,918 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-02-07 21:21:12,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 21:21:12,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1486243135, now seen corresponding path program 1 times [2025-02-07 21:21:12,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 21:21:12,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457321446] [2025-02-07 21:21:12,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 21:21:12,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 21:21:12,999 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-07 21:21:13,107 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-07 21:21:13,107 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 21:21:13,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 21:21:13,990 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 21:21:13,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 21:21:13,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457321446] [2025-02-07 21:21:13,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457321446] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 21:21:13,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 21:21:13,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-02-07 21:21:13,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216877824] [2025-02-07 21:21:13,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 21:21:13,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-07 21:21:14,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 21:21:14,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-07 21:21:14,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2025-02-07 21:21:14,014 INFO L87 Difference]: Start difference. First operand has 460 states, 384 states have (on average 1.9973958333333333) internal successors, (767), 459 states have internal predecessors, (767), 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 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 10 states have internal predecessors, (52), 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 21:21:14,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 21:21:14,743 INFO L93 Difference]: Finished difference Result 478 states and 767 transitions. [2025-02-07 21:21:14,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-07 21:21:14,745 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 10 states have internal predecessors, (52), 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 52 [2025-02-07 21:21:14,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 21:21:14,753 INFO L225 Difference]: With dead ends: 478 [2025-02-07 21:21:14,753 INFO L226 Difference]: Without dead ends: 78 [2025-02-07 21:21:14,756 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2025-02-07 21:21:14,757 INFO L435 NwaCegarLoop]: 565 mSDtfsCounter, 3720 mSDsluCounter, 1206 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3720 SdHoareTripleChecker+Valid, 1771 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-07 21:21:14,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3720 Valid, 1771 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-07 21:21:14,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-02-07 21:21:14,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2025-02-07 21:21:14,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 76 states have (on average 1.013157894736842) internal successors, (77), 77 states have internal predecessors, (77), 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 21:21:14,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 77 transitions. [2025-02-07 21:21:14,779 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 77 transitions. Word has length 52 [2025-02-07 21:21:14,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 21:21:14,780 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 77 transitions. [2025-02-07 21:21:14,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 10 states have internal predecessors, (52), 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 21:21:14,780 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 77 transitions. [2025-02-07 21:21:14,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-02-07 21:21:14,781 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 21:21:14,781 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] [2025-02-07 21:21:14,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 21:21:14,781 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-02-07 21:21:14,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 21:21:14,782 INFO L85 PathProgramCache]: Analyzing trace with hash 978312195, now seen corresponding path program 1 times [2025-02-07 21:21:14,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 21:21:14,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120746812] [2025-02-07 21:21:14,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 21:21:14,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 21:21:14,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-07 21:21:14,821 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-07 21:21:14,821 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 21:21:14,821 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 21:21:15,610 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 21:21:15,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 21:21:15,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120746812] [2025-02-07 21:21:15,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120746812] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 21:21:15,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 21:21:15,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2025-02-07 21:21:15,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677923445] [2025-02-07 21:21:15,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 21:21:15,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-02-07 21:21:15,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 21:21:15,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-02-07 21:21:15,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2025-02-07 21:21:15,613 INFO L87 Difference]: Start difference. First operand 78 states and 77 transitions. Second operand has 19 states, 19 states have (on average 2.736842105263158) internal successors, (52), 18 states have internal predecessors, (52), 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 21:21:16,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 21:21:16,205 INFO L93 Difference]: Finished difference Result 78 states and 77 transitions. [2025-02-07 21:21:16,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-07 21:21:16,205 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.736842105263158) internal successors, (52), 18 states have internal predecessors, (52), 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 52 [2025-02-07 21:21:16,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 21:21:16,206 INFO L225 Difference]: With dead ends: 78 [2025-02-07 21:21:16,206 INFO L226 Difference]: Without dead ends: 68 [2025-02-07 21:21:16,207 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=216, Invalid=974, Unknown=0, NotChecked=0, Total=1190 [2025-02-07 21:21:16,207 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 185 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-07 21:21:16,207 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 478 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-07 21:21:16,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2025-02-07 21:21:16,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2025-02-07 21:21:16,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.0) internal successors, (67), 67 states have internal predecessors, (67), 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 21:21:16,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 67 transitions. [2025-02-07 21:21:16,210 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 67 transitions. Word has length 52 [2025-02-07 21:21:16,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 21:21:16,211 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 67 transitions. [2025-02-07 21:21:16,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.736842105263158) internal successors, (52), 18 states have internal predecessors, (52), 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 21:21:16,211 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 67 transitions. [2025-02-07 21:21:16,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-02-07 21:21:16,212 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 21:21:16,212 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] [2025-02-07 21:21:16,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-07 21:21:16,212 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-02-07 21:21:16,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 21:21:16,212 INFO L85 PathProgramCache]: Analyzing trace with hash -260182676, now seen corresponding path program 1 times [2025-02-07 21:21:16,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 21:21:16,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014737780] [2025-02-07 21:21:16,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 21:21:16,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 21:21:16,225 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-02-07 21:21:16,233 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-02-07 21:21:16,233 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 21:21:16,233 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 21:21:16,274 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 21:21:16,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 21:21:16,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014737780] [2025-02-07 21:21:16,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014737780] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 21:21:16,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 21:21:16,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-07 21:21:16,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385029609] [2025-02-07 21:21:16,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 21:21:16,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-07 21:21:16,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 21:21:16,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-07 21:21:16,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-07 21:21:16,275 INFO L87 Difference]: Start difference. First operand 68 states and 67 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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 21:21:16,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 21:21:16,283 INFO L93 Difference]: Finished difference Result 68 states and 67 transitions. [2025-02-07 21:21:16,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-07 21:21:16,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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 67 [2025-02-07 21:21:16,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 21:21:16,284 INFO L225 Difference]: With dead ends: 68 [2025-02-07 21:21:16,284 INFO L226 Difference]: Without dead ends: 0 [2025-02-07 21:21:16,284 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-07 21:21:16,285 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 33 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-07 21:21:16,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 61 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-07 21:21:16,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-07 21:21:16,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-07 21:21:16,285 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 21:21:16,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-07 21:21:16,285 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2025-02-07 21:21:16,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 21:21:16,285 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-07 21:21:16,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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 21:21:16,285 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-07 21:21:16,286 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 21:21:16,291 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2025-02-07 21:21:16,291 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2025-02-07 21:21:16,291 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2025-02-07 21:21:16,291 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2025-02-07 21:21:16,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-07 21:21:16,294 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-02-07 21:21:16,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-07 21:21:16,300 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 21:21:16,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 09:21:16 BoogieIcfgContainer [2025-02-07 21:21:16,306 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 21:21:16,306 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 21:21:16,306 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 21:21:16,306 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 21:21:16,307 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:21:12" (3/4) ... [2025-02-07 21:21:16,309 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 21:21:16,331 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-07 21:21:16,333 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-07 21:21:16,335 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-07 21:21:16,337 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 21:21:16,451 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 21:21:16,451 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 21:21:16,451 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 21:21:16,452 INFO L158 Benchmark]: Toolchain (without parser) took 5783.92ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 103.6MB in the beginning and 196.1MB in the end (delta: -92.5MB). Peak memory consumption was 86.4MB. Max. memory is 16.1GB. [2025-02-07 21:21:16,452 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 115.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 21:21:16,452 INFO L158 Benchmark]: CACSL2BoogieTranslator took 525.79ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 59.6MB in the end (delta: 44.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-07 21:21:16,452 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.56ms. Allocated memory is still 142.6MB. Free memory was 59.6MB in the beginning and 48.2MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 21:21:16,453 INFO L158 Benchmark]: Boogie Preprocessor took 79.05ms. Allocated memory is still 142.6MB. Free memory was 48.2MB in the beginning and 39.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 21:21:16,453 INFO L158 Benchmark]: IcfgBuilder took 1482.32ms. Allocated memory is still 142.6MB. Free memory was 39.9MB in the beginning and 65.4MB in the end (delta: -25.5MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2025-02-07 21:21:16,453 INFO L158 Benchmark]: TraceAbstraction took 3470.47ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 65.4MB in the beginning and 224.6MB in the end (delta: -159.2MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2025-02-07 21:21:16,453 INFO L158 Benchmark]: Witness Printer took 145.10ms. Allocated memory is still 318.8MB. Free memory was 224.6MB in the beginning and 196.1MB in the end (delta: 28.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-07 21:21:16,454 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 115.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 525.79ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 59.6MB in the end (delta: 44.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.56ms. Allocated memory is still 142.6MB. Free memory was 59.6MB in the beginning and 48.2MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.05ms. Allocated memory is still 142.6MB. Free memory was 48.2MB in the beginning and 39.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 1482.32ms. Allocated memory is still 142.6MB. Free memory was 39.9MB in the beginning and 65.4MB in the end (delta: -25.5MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3470.47ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 65.4MB in the beginning and 224.6MB in the end (delta: -159.2MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Witness Printer took 145.10ms. Allocated memory is still 318.8MB. Free memory was 224.6MB in the beginning and 196.1MB in the end (delta: 28.5MB). 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: 441]: 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: 1029]: 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: 1201]: 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: 1284]: 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, 461 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3938 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3938 mSDsluCounter, 2310 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1646 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 831 IncrementalHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 664 mSDtfsCounter, 831 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=460occurred in iteration=0, InterpolantAutomatonStates: 36, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 171 NumberOfCodeBlocks, 171 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 168 ConstructedInterpolants, 0 QuantifiedInterpolants, 2153 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 21:21:16,470 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE