./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/chl-collitem-subst.wvr.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/weaver/chl-collitem-subst.wvr.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 e60e484eb5ab810972130a1d83dccbab591b96ac9007b9b56059ed6674807329 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:12:06,140 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:12:06,197 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-08 01:12:06,204 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:12:06,204 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:12:06,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:12:06,227 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:12:06,227 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:12:06,227 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:12:06,231 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:12:06,231 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:12:06,231 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:12:06,232 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:12:06,232 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:12:06,232 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:12:06,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:12:06,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:12:06,232 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 01:12:06,232 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:12:06,232 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 01:12:06,232 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:12:06,232 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:12:06,232 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:12:06,232 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:12:06,232 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 01:12:06,232 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:12:06,233 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:12:06,233 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:12:06,233 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:12:06,233 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:12:06,233 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:12:06,233 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:12:06,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:12:06,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:12:06,233 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:12:06,233 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:12:06,233 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:12:06,233 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:12:06,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:12:06,233 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:12:06,233 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:12:06,233 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:12:06,233 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:12:06,233 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 -> e60e484eb5ab810972130a1d83dccbab591b96ac9007b9b56059ed6674807329 [2025-02-08 01:12:06,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:12:06,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:12:06,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:12:06,435 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:12:06,435 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:12:06,435 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c [2025-02-08 01:12:07,590 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/66d98156d/1e8c7c10db884593b6b52cc53cc43946/FLAG24c97c43b [2025-02-08 01:12:07,856 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:12:07,856 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c [2025-02-08 01:12:07,867 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/66d98156d/1e8c7c10db884593b6b52cc53cc43946/FLAG24c97c43b [2025-02-08 01:12:08,176 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/66d98156d/1e8c7c10db884593b6b52cc53cc43946 [2025-02-08 01:12:08,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:12:08,184 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:12:08,185 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:12:08,185 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:12:08,188 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:12:08,189 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:12:08" (1/1) ... [2025-02-08 01:12:08,191 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d08bdda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:12:08, skipping insertion in model container [2025-02-08 01:12:08,191 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:12:08" (1/1) ... [2025-02-08 01:12:08,209 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:12:08,341 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/weaver/chl-collitem-subst.wvr.c[3583,3596] [2025-02-08 01:12:08,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:12:08,358 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:12:08,377 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/weaver/chl-collitem-subst.wvr.c[3583,3596] [2025-02-08 01:12:08,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:12:08,387 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:12:08,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:12:08 WrapperNode [2025-02-08 01:12:08,388 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:12:08,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:12:08,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:12:08,389 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:12:08,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:12:08" (1/1) ... [2025-02-08 01:12:08,401 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:12:08" (1/1) ... [2025-02-08 01:12:08,425 INFO L138 Inliner]: procedures = 22, calls = 31, calls flagged for inlining = 18, calls inlined = 40, statements flattened = 349 [2025-02-08 01:12:08,425 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:12:08,426 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:12:08,426 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:12:08,426 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:12:08,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:12:08" (1/1) ... [2025-02-08 01:12:08,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:12:08" (1/1) ... [2025-02-08 01:12:08,435 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:12:08" (1/1) ... [2025-02-08 01:12:08,449 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]. [2025-02-08 01:12:08,451 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:12:08" (1/1) ... [2025-02-08 01:12:08,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:12:08" (1/1) ... [2025-02-08 01:12:08,460 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:12:08" (1/1) ... [2025-02-08 01:12:08,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:12:08" (1/1) ... [2025-02-08 01:12:08,462 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:12:08" (1/1) ... [2025-02-08 01:12:08,462 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:12:08" (1/1) ... [2025-02-08 01:12:08,468 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:12:08,472 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:12:08,472 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:12:08,472 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:12:08,472 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:12:08" (1/1) ... [2025-02-08 01:12:08,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:12:08,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:12:08,500 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 01:12:08,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 01:12:08,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:12:08,534 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-08 01:12:08,534 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-08 01:12:08,534 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-08 01:12:08,535 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-08 01:12:08,535 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-02-08 01:12:08,535 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-02-08 01:12:08,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:12:08,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-08 01:12:08,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-08 01:12:08,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:12:08,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:12:08,536 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 01:12:08,632 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:12:08,633 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:12:08,762 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L45-3: #t~ite3#1 := #t~ret2#1; [2025-02-08 01:12:08,763 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L45-4: assume { :end_inline_minus } true;assume -2147483648 <= #t~ret2#1 && #t~ret2#1 <= 2147483647; [2025-02-08 01:12:08,763 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L45-5: havoc minus_#in~a#1, minus_#in~b#1; [2025-02-08 01:12:08,763 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L45-6: havoc minus_~a#1, minus_~b#1; [2025-02-08 01:12:08,763 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L45-7: #t~ret2#1 := minus_#res#1; [2025-02-08 01:12:08,763 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L46-3: #t~ite5#1 := #t~ret4#1; [2025-02-08 01:12:08,763 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L46-4: assume { :end_inline_minus } true;assume -2147483648 <= #t~ret4#1 && #t~ret4#1 <= 2147483647; [2025-02-08 01:12:08,763 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L46-5: havoc minus_#in~a#1, minus_#in~b#1; [2025-02-08 01:12:08,763 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L46-6: havoc minus_~a#1, minus_~b#1; [2025-02-08 01:12:08,763 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L46-7: #t~ret4#1 := minus_#res#1; [2025-02-08 01:12:08,763 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L47-3: #t~ite7#1 := #t~ret6#1; [2025-02-08 01:12:08,763 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L47-4: assume { :end_inline_minus } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647; [2025-02-08 01:12:08,764 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L47-5: havoc minus_#in~a#1, minus_#in~b#1; [2025-02-08 01:12:08,764 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L47-6: havoc minus_~a#1, minus_~b#1; [2025-02-08 01:12:08,764 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L47-7: #t~ret6#1 := minus_#res#1; [2025-02-08 01:12:08,864 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L56-3: #t~ite10#1 := #t~ret9#1; [2025-02-08 01:12:08,864 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L56-4: assume { :end_inline_minus } true;assume -2147483648 <= #t~ret9#1 && #t~ret9#1 <= 2147483647; [2025-02-08 01:12:08,864 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L56-5: havoc minus_#in~a#1, minus_#in~b#1; [2025-02-08 01:12:08,864 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L56-6: havoc minus_~a#1, minus_~b#1; [2025-02-08 01:12:08,865 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L56-7: #t~ret9#1 := minus_#res#1; [2025-02-08 01:12:08,865 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L57-3: #t~ite12#1 := #t~ret11#1; [2025-02-08 01:12:08,865 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L57-4: assume { :end_inline_minus } true;assume -2147483648 <= #t~ret11#1 && #t~ret11#1 <= 2147483647; [2025-02-08 01:12:08,865 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L57-5: havoc minus_#in~a#1, minus_#in~b#1; [2025-02-08 01:12:08,865 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L57-6: havoc minus_~a#1, minus_~b#1; [2025-02-08 01:12:08,865 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L57-7: #t~ret11#1 := minus_#res#1; [2025-02-08 01:12:08,865 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L58-3: #t~ite14#1 := #t~ret13#1; [2025-02-08 01:12:08,865 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L58-4: assume { :end_inline_minus } true;assume -2147483648 <= #t~ret13#1 && #t~ret13#1 <= 2147483647; [2025-02-08 01:12:08,865 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L58-5: havoc minus_#in~a#1, minus_#in~b#1; [2025-02-08 01:12:08,865 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L58-6: havoc minus_~a#1, minus_~b#1; [2025-02-08 01:12:08,865 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L58-7: #t~ret13#1 := minus_#res#1; [2025-02-08 01:12:08,933 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L68-3: #t~ite19#1 := #t~ret18#1; [2025-02-08 01:12:08,933 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L68-4: assume { :end_inline_minus } true;assume -2147483648 <= #t~ret18#1 && #t~ret18#1 <= 2147483647; [2025-02-08 01:12:08,933 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L68-5: havoc minus_#in~a#1, minus_#in~b#1; [2025-02-08 01:12:08,933 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L68-6: havoc minus_~a#1, minus_~b#1; [2025-02-08 01:12:08,934 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L68-7: #t~ret18#1 := minus_#res#1; [2025-02-08 01:12:08,934 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L69-3: #t~ite21#1 := #t~ret20#1; [2025-02-08 01:12:08,934 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L69-4: assume { :end_inline_minus } true;assume -2147483648 <= #t~ret20#1 && #t~ret20#1 <= 2147483647; [2025-02-08 01:12:08,934 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L69-5: havoc minus_#in~a#1, minus_#in~b#1; [2025-02-08 01:12:08,934 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L69-6: havoc minus_~a#1, minus_~b#1; [2025-02-08 01:12:08,934 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L69-7: #t~ret20#1 := minus_#res#1; [2025-02-08 01:12:08,934 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L67-3: #t~ite17#1 := #t~ret16#1; [2025-02-08 01:12:08,934 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L67-4: assume { :end_inline_minus } true;assume -2147483648 <= #t~ret16#1 && #t~ret16#1 <= 2147483647; [2025-02-08 01:12:08,934 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L67-5: havoc minus_#in~a#1, minus_#in~b#1; [2025-02-08 01:12:08,934 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L67-6: havoc minus_~a#1, minus_~b#1; [2025-02-08 01:12:08,934 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L67-7: #t~ret16#1 := minus_#res#1; [2025-02-08 01:12:08,994 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 01:12:08,994 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:12:09,308 WARN L149 AtomicBlockAnalyzer]: Unexpected successor node of atomic block begin: L109-2 is not an error location. [2025-02-08 01:12:09,308 WARN L149 AtomicBlockAnalyzer]: Unexpected successor node of atomic block begin: L109-1 is not an error location. [2025-02-08 01:12:09,308 WARN L149 AtomicBlockAnalyzer]: Unexpected successor node of atomic block begin: L109 is not an error location. [2025-02-08 01:12:09,308 WARN L149 AtomicBlockAnalyzer]: Unexpected successor node of atomic block begin: L109-2 is not an error location. [2025-02-08 01:12:09,309 WARN L149 AtomicBlockAnalyzer]: Unexpected successor node of atomic block begin: L109-1 is not an error location. [2025-02-08 01:12:09,309 WARN L149 AtomicBlockAnalyzer]: Unexpected successor node of atomic block begin: L109 is not an error location. [2025-02-08 01:12:09,309 WARN L149 AtomicBlockAnalyzer]: Unexpected successor node of atomic block begin: L109-2 is not an error location. [2025-02-08 01:12:09,309 WARN L149 AtomicBlockAnalyzer]: Unexpected successor node of atomic block begin: L109-1 is not an error location. [2025-02-08 01:12:09,309 WARN L149 AtomicBlockAnalyzer]: Unexpected successor node of atomic block begin: L109 is not an error location. [2025-02-08 01:12:09,309 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:12:09,310 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:12:09,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:12:09 BoogieIcfgContainer [2025-02-08 01:12:09,310 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:12:09,312 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:12:09,312 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:12:09,315 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:12:09,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:12:08" (1/3) ... [2025-02-08 01:12:09,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7349f783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:12:09, skipping insertion in model container [2025-02-08 01:12:09,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:12:08" (2/3) ... [2025-02-08 01:12:09,316 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7349f783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:12:09, skipping insertion in model container [2025-02-08 01:12:09,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:12:09" (3/3) ... [2025-02-08 01:12:09,317 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-collitem-subst.wvr.c [2025-02-08 01:12:09,329 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:12:09,332 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-collitem-subst.wvr.c that has 4 procedures, 35 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-08 01:12:09,332 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 01:12:09,424 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-02-08 01:12:09,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 44 places, 34 transitions, 89 flow [2025-02-08 01:12:09,476 INFO L124 PetriNetUnfolderBase]: 0/31 cut-off events. [2025-02-08 01:12:09,479 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-08 01:12:09,480 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 31 events. 0/31 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 60 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2025-02-08 01:12:09,481 INFO L82 GeneralOperation]: Start removeDead. Operand has 44 places, 34 transitions, 89 flow [2025-02-08 01:12:09,483 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 31 places, 21 transitions, 60 flow [2025-02-08 01:12:09,489 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:12:09,495 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;@3689c675, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:12:09,495 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-08 01:12:09,501 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 01:12:09,502 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2025-02-08 01:12:09,502 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-08 01:12:09,502 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 01:12:09,502 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:12:09,502 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-02-08 01:12:09,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:12:09,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1202302702, now seen corresponding path program 1 times [2025-02-08 01:12:09,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:12:09,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654695284] [2025-02-08 01:12:09,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:12:09,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:12:09,558 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 01:12:09,591 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 01:12:09,591 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:12:09,591 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:12:09,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 01:12:09,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:12:09,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654695284] [2025-02-08 01:12:09,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654695284] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:12:09,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 01:12:09,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 01:12:09,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237127682] [2025-02-08 01:12:09,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:12:09,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 01:12:09,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:12:09,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 01:12:09,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 01:12:09,745 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 34 [2025-02-08 01:12:09,746 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 21 transitions, 60 flow. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 01:12:09,746 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 01:12:09,746 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 34 [2025-02-08 01:12:09,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 01:12:09,837 INFO L124 PetriNetUnfolderBase]: 124/220 cut-off events. [2025-02-08 01:12:09,837 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2025-02-08 01:12:09,839 INFO L83 FinitePrefix]: Finished finitePrefix Result has 480 conditions, 220 events. 124/220 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 808 event pairs, 20 based on Foata normal form. 1/219 useless extension candidates. Maximal degree in co-relation 427. Up to 169 conditions per place. [2025-02-08 01:12:09,840 INFO L140 encePairwiseOnDemand]: 32/34 looper letters, 0 selfloop transitions, 0 changer transitions 28/28 dead transitions. [2025-02-08 01:12:09,842 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 28 transitions, 130 flow [2025-02-08 01:12:09,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 01:12:09,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 01:12:09,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 47 transitions. [2025-02-08 01:12:09,851 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.46078431372549017 [2025-02-08 01:12:09,851 INFO L175 Difference]: Start difference. First operand has 31 places, 21 transitions, 60 flow. Second operand 3 states and 47 transitions. [2025-02-08 01:12:09,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 28 transitions, 130 flow [2025-02-08 01:12:09,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 28 transitions, 114 flow, removed 0 selfloop flow, removed 6 redundant places. [2025-02-08 01:12:09,859 INFO L231 Difference]: Finished difference. Result has 25 places, 0 transitions, 0 flow [2025-02-08 01:12:09,861 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=25, PETRI_TRANSITIONS=0} [2025-02-08 01:12:09,863 INFO L279 CegarLoopForPetriNet]: 31 programPoint places, -6 predicate places. [2025-02-08 01:12:09,866 INFO L471 AbstractCegarLoop]: Abstraction has has 25 places, 0 transitions, 0 flow [2025-02-08 01:12:09,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 01:12:09,868 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2025-02-08 01:12:09,868 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-02-08 01:12:09,869 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2025-02-08 01:12:09,869 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2025-02-08 01:12:09,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 01:12:09,869 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-08 01:12:09,872 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-08 01:12:09,875 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 01:12:09,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 01:12:09 BasicIcfg [2025-02-08 01:12:09,878 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 01:12:09,879 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 01:12:09,879 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 01:12:09,879 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 01:12:09,879 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:12:09" (3/4) ... [2025-02-08 01:12:09,880 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 01:12:09,882 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-02-08 01:12:09,882 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-02-08 01:12:09,882 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-02-08 01:12:09,885 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2025-02-08 01:12:09,885 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2025-02-08 01:12:09,886 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2025-02-08 01:12:09,886 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-08 01:12:09,886 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 01:12:09,932 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 01:12:09,932 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 01:12:09,932 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 01:12:09,934 INFO L158 Benchmark]: Toolchain (without parser) took 1749.04ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 59.0MB in the end (delta: 55.7MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. [2025-02-08 01:12:09,934 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 127.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 01:12:09,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.53ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 102.6MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 01:12:09,935 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.45ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 100.0MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 01:12:09,936 INFO L158 Benchmark]: Boogie Preprocessor took 45.71ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 97.4MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 01:12:09,936 INFO L158 Benchmark]: IcfgBuilder took 838.42ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 55.0MB in the end (delta: 42.5MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2025-02-08 01:12:09,937 INFO L158 Benchmark]: TraceAbstraction took 566.52ms. Allocated memory is still 142.6MB. Free memory was 54.1MB in the beginning and 65.9MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 01:12:09,937 INFO L158 Benchmark]: Witness Printer took 53.90ms. Allocated memory is still 142.6MB. Free memory was 65.9MB in the beginning and 59.0MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 01:12:09,938 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 127.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.53ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 102.6MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.45ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 100.0MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.71ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 97.4MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 838.42ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 55.0MB in the end (delta: 42.5MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. * TraceAbstraction took 566.52ms. Allocated memory is still 142.6MB. Free memory was 54.1MB in the beginning and 65.9MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 53.90ms. Allocated memory is still 142.6MB. Free memory was 65.9MB in the beginning and 59.0MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 101]: 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 with 1 thread instances CFG has 7 procedures, 59 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 36 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-08 01:12:09,954 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