./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.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/parallel-parallel-sum-1-dsl.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 462fb42b593b74362524fb8209dde3f76380a79de0c48b612eb75bd0eda8df1c --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:15:31,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:15:31,882 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-08 01:15:31,886 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:15:31,886 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:15:31,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:15:31,901 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:15:31,901 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:15:31,901 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:15:31,901 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:15:31,901 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:15:31,901 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:15:31,901 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:15:31,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:15:31,902 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:15:31,902 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:15:31,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:15:31,902 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 01:15:31,902 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:15:31,902 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 01:15:31,902 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:15:31,902 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:15:31,902 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:15:31,902 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:15:31,903 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 01:15:31,903 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:15:31,903 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:15:31,903 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:15:31,903 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:15:31,903 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:15:31,903 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:15:31,903 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:15:31,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:15:31,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:15:31,904 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:15:31,904 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:15:31,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:15:31,904 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:15:31,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:15:31,904 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:15:31,904 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:15:31,904 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:15:31,904 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:15:31,904 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 -> 462fb42b593b74362524fb8209dde3f76380a79de0c48b612eb75bd0eda8df1c [2025-02-08 01:15:32,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:15:32,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:15:32,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:15:32,126 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:15:32,126 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:15:32,127 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2025-02-08 01:15:33,300 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/463a54964/7bcdeba6f73c4f0988f689fcecb2f2bb/FLAGd0a0bd39b [2025-02-08 01:15:33,539 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:15:33,540 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2025-02-08 01:15:33,568 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/463a54964/7bcdeba6f73c4f0988f689fcecb2f2bb/FLAGd0a0bd39b [2025-02-08 01:15:33,884 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/463a54964/7bcdeba6f73c4f0988f689fcecb2f2bb [2025-02-08 01:15:33,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:15:33,889 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:15:33,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:15:33,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:15:33,894 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:15:33,895 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:15:33" (1/1) ... [2025-02-08 01:15:33,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15f8cb8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:15:33, skipping insertion in model container [2025-02-08 01:15:33,899 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:15:33" (1/1) ... [2025-02-08 01:15:33,917 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:15:34,056 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/parallel-parallel-sum-1-dsl.wvr.c[4450,4463] [2025-02-08 01:15:34,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:15:34,077 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:15:34,093 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/parallel-parallel-sum-1-dsl.wvr.c[4450,4463] [2025-02-08 01:15:34,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:15:34,110 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:15:34,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:15:34 WrapperNode [2025-02-08 01:15:34,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:15:34,112 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:15:34,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:15:34,113 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:15:34,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:15:34" (1/1) ... [2025-02-08 01:15:34,123 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:15:34" (1/1) ... [2025-02-08 01:15:34,142 INFO L138 Inliner]: procedures = 28, calls = 65, calls flagged for inlining = 21, calls inlined = 27, statements flattened = 292 [2025-02-08 01:15:34,142 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:15:34,143 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:15:34,143 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:15:34,143 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:15:34,148 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:15:34" (1/1) ... [2025-02-08 01:15:34,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:15:34" (1/1) ... [2025-02-08 01:15:34,151 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:15:34" (1/1) ... [2025-02-08 01:15:34,162 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2025-02-08 01:15:34,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:15:34" (1/1) ... [2025-02-08 01:15:34,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:15:34" (1/1) ... [2025-02-08 01:15:34,177 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:15:34" (1/1) ... [2025-02-08 01:15:34,178 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:15:34" (1/1) ... [2025-02-08 01:15:34,182 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:15:34" (1/1) ... [2025-02-08 01:15:34,183 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:15:34" (1/1) ... [2025-02-08 01:15:34,185 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:15:34,188 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:15:34,188 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:15:34,188 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:15:34,189 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:15:34" (1/1) ... [2025-02-08 01:15:34,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:15:34,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:15:34,212 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 01:15:34,217 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 01:15:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:15:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:15:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:15:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:15:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:15:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-08 01:15:34,231 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-08 01:15:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-08 01:15:34,231 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-08 01:15:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-02-08 01:15:34,231 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-02-08 01:15:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-02-08 01:15:34,231 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-02-08 01:15:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:15:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:15:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2025-02-08 01:15:34,231 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2025-02-08 01:15:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2025-02-08 01:15:34,231 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2025-02-08 01:15:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-08 01:15:34,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-08 01:15:34,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:15:34,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:15:34,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:15:34,233 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 01:15:34,315 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:15:34,317 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:15:34,441 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L56: [2025-02-08 01:15:34,441 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L55: havoc #t~ret4#1; [2025-02-08 01:15:34,441 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L55-1: ~s_2~0 := #t~ret4#1; [2025-02-08 01:15:34,441 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L55-2: assume { :end_inline_plus } true;assume -2147483648 <= #t~ret4#1 && #t~ret4#1 <= 2147483647; [2025-02-08 01:15:34,441 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L55-3: havoc plus_#in~a#1, plus_#in~b#1; [2025-02-08 01:15:34,441 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L55-4: havoc plus_~a#1, plus_~b#1; [2025-02-08 01:15:34,441 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L55-5: #t~ret4#1 := plus_#res#1; [2025-02-08 01:15:34,485 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L73: havoc #t~ret8#1; [2025-02-08 01:15:34,486 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L73-1: ~s_2~0 := #t~ret8#1; [2025-02-08 01:15:34,486 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L73-2: assume { :end_inline_plus } true;assume -2147483648 <= #t~ret8#1 && #t~ret8#1 <= 2147483647; [2025-02-08 01:15:34,486 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L73-3: havoc plus_#in~a#1, plus_#in~b#1; [2025-02-08 01:15:34,486 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L73-4: havoc plus_~a#1, plus_~b#1; [2025-02-08 01:15:34,486 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L73-5: #t~ret8#1 := plus_#res#1; [2025-02-08 01:15:34,486 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L74: [2025-02-08 01:15:34,563 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L107: havoc #t~ret16#1; [2025-02-08 01:15:34,564 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L107-1: ~s_6~0 := #t~ret16#1; [2025-02-08 01:15:34,564 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L107-2: assume { :end_inline_plus } true;assume -2147483648 <= #t~ret16#1 && #t~ret16#1 <= 2147483647; [2025-02-08 01:15:34,564 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L107-3: havoc plus_#in~a#1, plus_#in~b#1; [2025-02-08 01:15:34,564 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L107-4: havoc plus_~a#1, plus_~b#1; [2025-02-08 01:15:34,564 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L107-5: #t~ret16#1 := plus_#res#1; [2025-02-08 01:15:34,564 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L108: [2025-02-08 01:15:34,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L126: [2025-02-08 01:15:34,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L125: havoc #t~ret20#1; [2025-02-08 01:15:34,612 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L125-1: ~s_6~0 := #t~ret20#1; [2025-02-08 01:15:34,612 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L125-2: assume { :end_inline_plus } true;assume -2147483648 <= #t~ret20#1 && #t~ret20#1 <= 2147483647; [2025-02-08 01:15:34,612 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L125-3: havoc plus_#in~a#1, plus_#in~b#1; [2025-02-08 01:15:34,612 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L125-4: havoc plus_~a#1, plus_~b#1; [2025-02-08 01:15:34,612 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L125-5: #t~ret20#1 := plus_#res#1; [2025-02-08 01:15:34,696 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 01:15:34,696 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:15:34,884 WARN L149 AtomicBlockAnalyzer]: Unexpected successor node of atomic block begin: L193 is not an error location. [2025-02-08 01:15:34,884 WARN L149 AtomicBlockAnalyzer]: Unexpected successor node of atomic block begin: L193 is not an error location. [2025-02-08 01:15:34,884 WARN L149 AtomicBlockAnalyzer]: Unexpected successor node of atomic block begin: L193 is not an error location. [2025-02-08 01:15:34,884 WARN L149 AtomicBlockAnalyzer]: Unexpected successor node of atomic block begin: L193 is not an error location. [2025-02-08 01:15:34,885 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:15:34,885 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:15:34,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:15:34 BoogieIcfgContainer [2025-02-08 01:15:34,885 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:15:34,887 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:15:34,887 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:15:34,890 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:15:34,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:15:33" (1/3) ... [2025-02-08 01:15:34,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58832e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:15:34, skipping insertion in model container [2025-02-08 01:15:34,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:15:34" (2/3) ... [2025-02-08 01:15:34,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58832e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:15:34, skipping insertion in model container [2025-02-08 01:15:34,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:15:34" (3/3) ... [2025-02-08 01:15:34,892 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1-dsl.wvr.c [2025-02-08 01:15:34,901 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:15:34,902 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-parallel-sum-1-dsl.wvr.c that has 7 procedures, 70 locations, 1 initial locations, 5 loop locations, and 1 error locations. [2025-02-08 01:15:34,903 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 01:15:34,986 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2025-02-08 01:15:35,011 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 84 transitions, 234 flow [2025-02-08 01:15:35,037 INFO L124 PetriNetUnfolderBase]: 9/72 cut-off events. [2025-02-08 01:15:35,038 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-02-08 01:15:35,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 72 events. 9/72 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 197 event pairs, 0 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 81. Up to 3 conditions per place. [2025-02-08 01:15:35,041 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 84 transitions, 234 flow [2025-02-08 01:15:35,043 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 81 places, 71 transitions, 190 flow [2025-02-08 01:15:35,048 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:15:35,059 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;@61ce35f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:15:35,063 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2025-02-08 01:15:35,087 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 01:15:35,089 INFO L124 PetriNetUnfolderBase]: 9/70 cut-off events. [2025-02-08 01:15:35,089 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-02-08 01:15:35,089 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 01:15:35,090 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:15:35,091 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-02-08 01:15:35,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:15:35,096 INFO L85 PathProgramCache]: Analyzing trace with hash 112924550, now seen corresponding path program 1 times [2025-02-08 01:15:35,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:15:35,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245062088] [2025-02-08 01:15:35,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:15:35,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:15:35,174 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 01:15:35,207 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 01:15:35,208 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:15:35,208 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:15:35,275 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 01:15:35,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:15:35,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245062088] [2025-02-08 01:15:35,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245062088] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:15:35,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 01:15:35,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 01:15:35,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536716543] [2025-02-08 01:15:35,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:15:35,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 01:15:35,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:15:35,320 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 01:15:35,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:15:35,321 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 88 [2025-02-08 01:15:35,323 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 71 transitions, 190 flow. Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 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 01:15:35,323 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 01:15:35,323 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 88 [2025-02-08 01:15:35,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 01:15:46,270 INFO L124 PetriNetUnfolderBase]: 196018/246589 cut-off events. [2025-02-08 01:15:46,270 INFO L125 PetriNetUnfolderBase]: For 20482/20482 co-relation queries the response was YES. [2025-02-08 01:15:46,680 INFO L83 FinitePrefix]: Finished finitePrefix Result has 516358 conditions, 246589 events. 196018/246589 cut-off events. For 20482/20482 co-relation queries the response was YES. Maximal size of possible extension queue 6479. Compared 1382863 event pairs, 190302 based on Foata normal form. 0/218466 useless extension candidates. Maximal degree in co-relation 515128. Up to 246425 conditions per place. [2025-02-08 01:15:46,924 INFO L140 encePairwiseOnDemand]: 84/88 looper letters, 50 selfloop transitions, 0 changer transitions 12/67 dead transitions. [2025-02-08 01:15:46,924 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 67 transitions, 306 flow [2025-02-08 01:15:46,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 01:15:46,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-02-08 01:15:46,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 88 transitions. [2025-02-08 01:15:46,933 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5 [2025-02-08 01:15:46,933 INFO L175 Difference]: Start difference. First operand has 81 places, 71 transitions, 190 flow. Second operand 2 states and 88 transitions. [2025-02-08 01:15:46,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 67 transitions, 306 flow [2025-02-08 01:15:47,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 67 transitions, 274 flow, removed 0 selfloop flow, removed 12 redundant places. [2025-02-08 01:15:47,437 INFO L231 Difference]: Finished difference. Result has 70 places, 55 transitions, 126 flow [2025-02-08 01:15:47,439 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=88, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=126, PETRI_PLACES=70, PETRI_TRANSITIONS=55} [2025-02-08 01:15:47,441 INFO L279 CegarLoopForPetriNet]: 81 programPoint places, -11 predicate places. [2025-02-08 01:15:47,441 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 55 transitions, 126 flow [2025-02-08 01:15:47,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 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 01:15:47,441 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 01:15:47,441 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:15:47,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 01:15:47,442 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-02-08 01:15:47,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:15:47,442 INFO L85 PathProgramCache]: Analyzing trace with hash 539460638, now seen corresponding path program 1 times [2025-02-08 01:15:47,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:15:47,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563660389] [2025-02-08 01:15:47,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:15:47,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:15:47,454 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-08 01:15:47,474 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-08 01:15:47,474 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:15:47,474 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:15:47,668 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 01:15:47,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:15:47,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563660389] [2025-02-08 01:15:47,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563660389] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:15:47,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 01:15:47,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 01:15:47,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554614511] [2025-02-08 01:15:47,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:15:47,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 01:15:47,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:15:47,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 01:15:47,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 01:15:47,670 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 88 [2025-02-08 01:15:47,670 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 55 transitions, 126 flow. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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 01:15:47,670 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 01:15:47,670 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 88 [2025-02-08 01:15:47,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 01:15:51,011 INFO L124 PetriNetUnfolderBase]: 70862/91615 cut-off events. [2025-02-08 01:15:51,011 INFO L125 PetriNetUnfolderBase]: For 2448/2448 co-relation queries the response was YES. [2025-02-08 01:15:51,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 185827 conditions, 91615 events. 70862/91615 cut-off events. For 2448/2448 co-relation queries the response was YES. Maximal size of possible extension queue 2329. Compared 517567 event pairs, 19799 based on Foata normal form. 1/88083 useless extension candidates. Maximal degree in co-relation 185824. Up to 45579 conditions per place. [2025-02-08 01:15:51,224 INFO L140 encePairwiseOnDemand]: 85/88 looper letters, 68 selfloop transitions, 1 changer transitions 43/117 dead transitions. [2025-02-08 01:15:51,225 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 117 transitions, 495 flow [2025-02-08 01:15:51,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 01:15:51,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-08 01:15:51,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 157 transitions. [2025-02-08 01:15:51,226 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4460227272727273 [2025-02-08 01:15:51,226 INFO L175 Difference]: Start difference. First operand has 70 places, 55 transitions, 126 flow. Second operand 4 states and 157 transitions. [2025-02-08 01:15:51,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 117 transitions, 495 flow [2025-02-08 01:15:51,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 117 transitions, 495 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-08 01:15:51,229 INFO L231 Difference]: Finished difference. Result has 63 places, 55 transitions, 133 flow [2025-02-08 01:15:51,229 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=88, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=133, PETRI_PLACES=63, PETRI_TRANSITIONS=55} [2025-02-08 01:15:51,229 INFO L279 CegarLoopForPetriNet]: 81 programPoint places, -18 predicate places. [2025-02-08 01:15:51,229 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 55 transitions, 133 flow [2025-02-08 01:15:51,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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 01:15:51,230 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 01:15:51,230 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:15:51,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 01:15:51,230 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-02-08 01:15:51,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:15:51,230 INFO L85 PathProgramCache]: Analyzing trace with hash 2013635486, now seen corresponding path program 2 times [2025-02-08 01:15:51,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:15:51,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658813280] [2025-02-08 01:15:51,231 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 01:15:51,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:15:51,244 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 50 statements into 1 equivalence classes. [2025-02-08 01:15:51,258 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-08 01:15:51,258 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 01:15:51,258 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:15:51,369 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 01:15:51,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:15:51,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658813280] [2025-02-08 01:15:51,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658813280] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:15:51,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 01:15:51,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 01:15:51,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583538236] [2025-02-08 01:15:51,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:15:51,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 01:15:51,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:15:51,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 01:15:51,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 01:15:51,371 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 88 [2025-02-08 01:15:51,371 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 55 transitions, 133 flow. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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 01:15:51,371 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 01:15:51,371 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 88 [2025-02-08 01:15:51,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 01:15:52,813 INFO L124 PetriNetUnfolderBase]: 36150/46892 cut-off events. [2025-02-08 01:15:52,814 INFO L125 PetriNetUnfolderBase]: For 1698/1698 co-relation queries the response was YES. [2025-02-08 01:15:52,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95288 conditions, 46892 events. 36150/46892 cut-off events. For 1698/1698 co-relation queries the response was YES. Maximal size of possible extension queue 1160. Compared 243139 event pairs, 10486 based on Foata normal form. 1/45160 useless extension candidates. Maximal degree in co-relation 95282. Up to 44303 conditions per place. [2025-02-08 01:15:52,933 INFO L140 encePairwiseOnDemand]: 85/88 looper letters, 0 selfloop transitions, 0 changer transitions 94/94 dead transitions. [2025-02-08 01:15:52,934 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 94 transitions, 405 flow [2025-02-08 01:15:52,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 01:15:52,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-08 01:15:52,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 135 transitions. [2025-02-08 01:15:52,938 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3835227272727273 [2025-02-08 01:15:52,939 INFO L175 Difference]: Start difference. First operand has 63 places, 55 transitions, 133 flow. Second operand 4 states and 135 transitions. [2025-02-08 01:15:52,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 94 transitions, 405 flow [2025-02-08 01:15:52,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 94 transitions, 403 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-08 01:15:52,941 INFO L231 Difference]: Finished difference. Result has 62 places, 0 transitions, 0 flow [2025-02-08 01:15:52,942 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=88, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=62, PETRI_TRANSITIONS=0} [2025-02-08 01:15:52,942 INFO L279 CegarLoopForPetriNet]: 81 programPoint places, -19 predicate places. [2025-02-08 01:15:52,942 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 0 transitions, 0 flow [2025-02-08 01:15:52,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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 01:15:52,944 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 11 remaining) [2025-02-08 01:15:52,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 11 remaining) [2025-02-08 01:15:52,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 11 remaining) [2025-02-08 01:15:52,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 11 remaining) [2025-02-08 01:15:52,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 11 remaining) [2025-02-08 01:15:52,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 11 remaining) [2025-02-08 01:15:52,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 11 remaining) [2025-02-08 01:15:52,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 11 remaining) [2025-02-08 01:15:52,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 11 remaining) [2025-02-08 01:15:52,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork5Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 11 remaining) [2025-02-08 01:15:52,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork5Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 11 remaining) [2025-02-08 01:15:52,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 01:15:52,947 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1] [2025-02-08 01:15:52,950 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-08 01:15:52,951 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 01:15:52,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 01:15:52 BasicIcfg [2025-02-08 01:15:52,956 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 01:15:52,956 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 01:15:52,956 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 01:15:52,957 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 01:15:52,957 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:15:34" (3/4) ... [2025-02-08 01:15:52,959 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 01:15:52,961 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-02-08 01:15:52,961 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-02-08 01:15:52,961 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-02-08 01:15:52,961 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread4 [2025-02-08 01:15:52,961 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread5 [2025-02-08 01:15:52,961 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread6 [2025-02-08 01:15:52,966 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 78 nodes and edges [2025-02-08 01:15:52,966 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2025-02-08 01:15:52,966 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2025-02-08 01:15:52,966 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-08 01:15:53,024 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 01:15:53,024 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 01:15:53,024 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 01:15:53,026 INFO L158 Benchmark]: Toolchain (without parser) took 19136.22ms. Allocated memory was 142.6MB in the beginning and 10.9GB in the end (delta: 10.7GB). Free memory was 105.7MB in the beginning and 8.1GB in the end (delta: -7.9GB). Peak memory consumption was 2.8GB. Max. memory is 16.1GB. [2025-02-08 01:15:53,026 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 01:15:53,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.22ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 92.1MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 01:15:53,027 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.00ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 90.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 01:15:53,028 INFO L158 Benchmark]: Boogie Preprocessor took 43.96ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 87.3MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 01:15:53,029 INFO L158 Benchmark]: IcfgBuilder took 697.60ms. Allocated memory is still 142.6MB. Free memory was 87.3MB in the beginning and 82.8MB in the end (delta: 4.5MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2025-02-08 01:15:53,029 INFO L158 Benchmark]: TraceAbstraction took 18069.25ms. Allocated memory was 142.6MB in the beginning and 10.9GB in the end (delta: 10.7GB). Free memory was 82.1MB in the beginning and 8.1GB in the end (delta: -8.0GB). Peak memory consumption was 2.8GB. Max. memory is 16.1GB. [2025-02-08 01:15:53,029 INFO L158 Benchmark]: Witness Printer took 68.12ms. Allocated memory is still 10.9GB. Free memory was 8.1GB in the beginning and 8.1GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 01:15:53,030 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.22ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 92.1MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.00ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 90.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.96ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 87.3MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 697.60ms. Allocated memory is still 142.6MB. Free memory was 87.3MB in the beginning and 82.8MB in the end (delta: 4.5MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. * TraceAbstraction took 18069.25ms. Allocated memory was 142.6MB in the beginning and 10.9GB in the end (delta: 10.7GB). Free memory was 82.1MB in the beginning and 8.1GB in the end (delta: -8.0GB). Peak memory consumption was 2.8GB. Max. memory is 16.1GB. * Witness Printer took 68.12ms. Allocated memory is still 10.9GB. Free memory was 8.1GB in the beginning and 8.1GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 174]: 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 13 procedures, 138 locations, 11 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: 17.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 17.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 93 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 93 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 443 IncrementalHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 443 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=190occurred in iteration=0, InterpolantAutomatonStates: 10, 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, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 146 NumberOfCodeBlocks, 146 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 307 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-08 01:15:53,045 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