./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-bad-three-array-sum-alt.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/popl20-bad-three-array-sum-alt.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 20832c4ec3f8ccecbcf7cfcec0aecbbc925bfb9e6d8397db46b5825bb40681b3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:16:23,026 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:16:23,091 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-08 01:16:23,097 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:16:23,099 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:16:23,123 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:16:23,124 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:16:23,124 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:16:23,125 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:16:23,125 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:16:23,126 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:16:23,126 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:16:23,126 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:16:23,126 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:16:23,127 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:16:23,127 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:16:23,127 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:16:23,127 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 01:16:23,127 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:16:23,127 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 01:16:23,127 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:16:23,128 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:16:23,128 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:16:23,128 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:16:23,128 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 01:16:23,128 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:16:23,128 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:16:23,128 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:16:23,128 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:16:23,128 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:16:23,129 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:16:23,129 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:16:23,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:16:23,129 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:16:23,129 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:16:23,129 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:16:23,129 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:16:23,129 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:16:23,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:16:23,129 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:16:23,129 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:16:23,130 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:16:23,130 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:16:23,130 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 -> 20832c4ec3f8ccecbcf7cfcec0aecbbc925bfb9e6d8397db46b5825bb40681b3 [2025-02-08 01:16:23,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:16:23,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:16:23,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:16:23,401 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:16:23,401 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:16:23,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-bad-three-array-sum-alt.wvr.c [2025-02-08 01:16:24,661 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/742f6bf75/70405859cb6f4133aaf59c35a1309aac/FLAG7d89951e0 [2025-02-08 01:16:24,919 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:16:24,919 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-three-array-sum-alt.wvr.c [2025-02-08 01:16:24,929 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/742f6bf75/70405859cb6f4133aaf59c35a1309aac/FLAG7d89951e0 [2025-02-08 01:16:25,225 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/742f6bf75/70405859cb6f4133aaf59c35a1309aac [2025-02-08 01:16:25,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:16:25,229 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:16:25,231 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:16:25,231 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:16:25,235 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:16:25,236 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:16:25" (1/1) ... [2025-02-08 01:16:25,238 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47b5fcf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:16:25, skipping insertion in model container [2025-02-08 01:16:25,238 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:16:25" (1/1) ... [2025-02-08 01:16:25,254 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:16:25,395 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/popl20-bad-three-array-sum-alt.wvr.c[2451,2464] [2025-02-08 01:16:25,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:16:25,423 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:16:25,442 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/popl20-bad-three-array-sum-alt.wvr.c[2451,2464] [2025-02-08 01:16:25,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:16:25,468 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:16:25,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:16:25 WrapperNode [2025-02-08 01:16:25,469 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:16:25,470 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:16:25,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:16:25,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:16:25,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:16:25" (1/1) ... [2025-02-08 01:16:25,482 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:16:25" (1/1) ... [2025-02-08 01:16:25,502 INFO L138 Inliner]: procedures = 25, calls = 30, calls flagged for inlining = 15, calls inlined = 27, statements flattened = 247 [2025-02-08 01:16:25,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:16:25,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:16:25,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:16:25,503 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:16:25,509 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:16:25" (1/1) ... [2025-02-08 01:16:25,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:16:25" (1/1) ... [2025-02-08 01:16:25,512 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:16:25" (1/1) ... [2025-02-08 01:16:25,525 INFO L175 MemorySlicer]: Split 11 memory accesses to 2 slices as follows [2, 9]. 82 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 4 writes are split as follows [0, 4]. [2025-02-08 01:16:25,526 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:16:25" (1/1) ... [2025-02-08 01:16:25,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:16:25" (1/1) ... [2025-02-08 01:16:25,532 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:16:25" (1/1) ... [2025-02-08 01:16:25,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:16:25" (1/1) ... [2025-02-08 01:16:25,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:16:25" (1/1) ... [2025-02-08 01:16:25,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:16:25" (1/1) ... [2025-02-08 01:16:25,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:16:25,538 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:16:25,538 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:16:25,538 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:16:25,539 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:16:25" (1/1) ... [2025-02-08 01:16:25,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:16:25,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:16:25,571 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 01:16:25,573 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 01:16:25,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:16:25,592 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-08 01:16:25,592 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-08 01:16:25,592 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-08 01:16:25,592 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-08 01:16:25,592 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-02-08 01:16:25,592 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-02-08 01:16:25,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:16:25,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:16:25,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:16:25,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:16:25,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:16:25,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:16:25,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:16:25,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:16:25,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:16:25,593 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 01:16:25,671 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:16:25,672 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:16:25,749 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L50-1: havoc #t~post3#1; [2025-02-08 01:16:25,749 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L50-2: ~i~0#1 := 1 + #t~post3#1; [2025-02-08 01:16:25,749 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L50-3: #t~post3#1 := ~i~0#1; [2025-02-08 01:16:25,750 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L51: havoc #t~ret2#1; [2025-02-08 01:16:25,750 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L51-1: havoc #t~mem1#1; [2025-02-08 01:16:25,750 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L51-2: ~asum~0 := #t~ret2#1; [2025-02-08 01:16:25,750 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L51-3: assume { :end_inline_plus } true;assume -2147483648 <= #t~ret2#1 && #t~ret2#1 <= 2147483647; [2025-02-08 01:16:25,750 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L51-4: havoc plus_#in~a#1, plus_#in~b#1; [2025-02-08 01:16:25,750 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L51-5: havoc plus_~a#1, plus_~b#1; [2025-02-08 01:16:25,751 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L51-6: #t~ret2#1 := plus_#res#1; [2025-02-08 01:16:25,804 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L58-1: havoc #t~post6#1; [2025-02-08 01:16:25,805 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L58-2: ~i~1#1 := 1 + #t~post6#1; [2025-02-08 01:16:25,805 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L58-3: #t~post6#1 := ~i~1#1; [2025-02-08 01:16:25,805 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L59: havoc #t~ret5#1; [2025-02-08 01:16:25,806 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L59-1: havoc #t~mem4#1; [2025-02-08 01:16:25,806 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L59-2: ~bsum~0 := #t~ret5#1; [2025-02-08 01:16:25,806 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L59-3: assume { :end_inline_plus } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647; [2025-02-08 01:16:25,806 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L59-4: havoc plus_#in~a#1, plus_#in~b#1; [2025-02-08 01:16:25,806 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L59-5: havoc plus_~a#1, plus_~b#1; [2025-02-08 01:16:25,806 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L59-6: #t~ret5#1 := plus_#res#1; [2025-02-08 01:16:25,854 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L68-3: assume { :end_inline_plus } true;assume -2147483648 <= #t~ret11#1 && #t~ret11#1 <= 2147483647; [2025-02-08 01:16:25,854 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L68-4: havoc plus_#in~a#1, plus_#in~b#1; [2025-02-08 01:16:25,854 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L68-5: havoc plus_~a#1, plus_~b#1; [2025-02-08 01:16:25,854 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L68-6: #t~ret11#1 := plus_#res#1; [2025-02-08 01:16:25,854 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L68-7: havoc plus_~a#1, plus_~b#1; [2025-02-08 01:16:25,854 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L68-8: havoc plus_#res#1; [2025-02-08 01:16:25,854 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L68-9: assume { :begin_inline_plus } true;plus_#in~a#1, plus_#in~b#1 := ~csum~0, #t~mem10#1; [2025-02-08 01:16:25,855 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L68-10: SUMMARY for call #t~mem10#1 := read~int#1(~C~0.base, ~C~0.offset + 4 * ~i~2#1, 4); srcloc: null [2025-02-08 01:16:25,855 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L107: plus_~b#1 := plus_#in~b#1; [2025-02-08 01:16:25,855 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L107-1: plus_~a#1 := plus_#in~a#1; [2025-02-08 01:16:25,855 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L37: assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; [2025-02-08 01:16:25,855 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L37-1: assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; [2025-02-08 01:16:25,855 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L66-1: havoc #t~post12#1; [2025-02-08 01:16:25,855 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L66-2: ~i~2#1 := 1 + #t~post12#1; [2025-02-08 01:16:25,855 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L66-3: #t~post12#1 := ~i~2#1; [2025-02-08 01:16:25,855 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L108: assume { :end_inline_assume_abort_if_not } true;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if plus_~b#1 <= 0 || plus_~a#1 <= 2147483647 - plus_~b#1 then 1 else 0); [2025-02-08 01:16:25,855 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L108-1: havoc assume_abort_if_not_#in~cond#1; [2025-02-08 01:16:25,855 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L108-2: havoc assume_abort_if_not_~cond#1; [2025-02-08 01:16:25,856 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L108-3: havoc assume_abort_if_not_~cond#1; [2025-02-08 01:16:25,856 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L108-4: assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if plus_~b#1 >= 0 || plus_~a#1 >= -2147483648 - plus_~b#1 then 1 else 0); [2025-02-08 01:16:25,856 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L38: assume 0 == assume_abort_if_not_~cond#1; [2025-02-08 01:16:25,856 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L38: assume !(0 == assume_abort_if_not_~cond#1); [2025-02-08 01:16:25,856 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L38-1: assume false; [2025-02-08 01:16:25,856 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L38-2: assume 0 == assume_abort_if_not_~cond#1; [2025-02-08 01:16:25,856 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L38-2: assume !(0 == assume_abort_if_not_~cond#1); [2025-02-08 01:16:25,856 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L38-3: assume false; [2025-02-08 01:16:25,856 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L67: havoc #t~ret9#1; [2025-02-08 01:16:25,856 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L67-1: havoc #t~mem8#1; [2025-02-08 01:16:25,856 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L67-2: havoc #t~mem7#1; [2025-02-08 01:16:25,856 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L67-3: SUMMARY for call write~int#1(#t~ret9#1, ~C~0.base, ~C~0.offset + 4 * ~i~2#1, 4); srcloc: null [2025-02-08 01:16:25,856 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L67-4: assume { :end_inline_plus } true;assume -2147483648 <= #t~ret9#1 && #t~ret9#1 <= 2147483647; [2025-02-08 01:16:25,857 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L67-5: havoc plus_#in~a#1, plus_#in~b#1; [2025-02-08 01:16:25,857 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L67-6: havoc plus_~a#1, plus_~b#1; [2025-02-08 01:16:25,857 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L67-7: #t~ret9#1 := plus_#res#1; [2025-02-08 01:16:25,857 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L109: assume { :end_inline_assume_abort_if_not } true;plus_#res#1 := plus_~a#1 + plus_~b#1; [2025-02-08 01:16:25,857 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L109-1: havoc assume_abort_if_not_#in~cond#1; [2025-02-08 01:16:25,857 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L109-2: havoc assume_abort_if_not_~cond#1; [2025-02-08 01:16:25,857 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L109-3: havoc assume_abort_if_not_~cond#1; [2025-02-08 01:16:25,857 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L68: havoc #t~ret11#1; [2025-02-08 01:16:25,857 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L68-1: havoc #t~mem10#1; [2025-02-08 01:16:25,857 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L68-2: ~csum~0 := #t~ret11#1; [2025-02-08 01:16:25,992 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 01:16:25,993 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:16:26,225 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:16:26,226 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:16:26,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:16:26 BoogieIcfgContainer [2025-02-08 01:16:26,226 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:16:26,228 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:16:26,228 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:16:26,231 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:16:26,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:16:25" (1/3) ... [2025-02-08 01:16:26,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17053786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:16:26, skipping insertion in model container [2025-02-08 01:16:26,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:16:25" (2/3) ... [2025-02-08 01:16:26,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17053786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:16:26, skipping insertion in model container [2025-02-08 01:16:26,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:16:26" (3/3) ... [2025-02-08 01:16:26,233 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-three-array-sum-alt.wvr.c [2025-02-08 01:16:26,246 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:16:26,247 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-three-array-sum-alt.wvr.c that has 4 procedures, 29 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2025-02-08 01:16:26,247 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 01:16:26,286 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-02-08 01:16:26,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 31 transitions, 83 flow [2025-02-08 01:16:26,345 INFO L124 PetriNetUnfolderBase]: 3/28 cut-off events. [2025-02-08 01:16:26,349 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-08 01:16:26,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 28 events. 3/28 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2025-02-08 01:16:26,352 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 31 transitions, 83 flow [2025-02-08 01:16:26,354 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 31 places, 24 transitions, 66 flow [2025-02-08 01:16:26,367 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:16:26,383 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;@1611dde6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:16:26,384 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-08 01:16:26,390 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 01:16:26,391 INFO L124 PetriNetUnfolderBase]: 3/23 cut-off events. [2025-02-08 01:16:26,391 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-08 01:16:26,391 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 01:16:26,392 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 01:16:26,392 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 01:16:26,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:16:26,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1733533804, now seen corresponding path program 1 times [2025-02-08 01:16:26,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:16:26,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529236694] [2025-02-08 01:16:26,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:16:26,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:16:26,462 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 01:16:26,524 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 01:16:26,524 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:16:26,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:16:26,922 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 01:16:26,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:16:26,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529236694] [2025-02-08 01:16:26,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529236694] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:16:26,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 01:16:26,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 01:16:26,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40304891] [2025-02-08 01:16:26,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:16:26,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 01:16:26,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:16:26,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 01:16:26,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 01:16:26,952 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 31 [2025-02-08 01:16:26,953 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 24 transitions, 66 flow. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 01:16:26,953 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 01:16:26,953 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 31 [2025-02-08 01:16:26,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 01:16:27,013 INFO L124 PetriNetUnfolderBase]: 127/222 cut-off events. [2025-02-08 01:16:27,013 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2025-02-08 01:16:27,014 INFO L83 FinitePrefix]: Finished finitePrefix Result has 488 conditions, 222 events. 127/222 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 620 event pairs, 124 based on Foata normal form. 1/220 useless extension candidates. Maximal degree in co-relation 398. Up to 222 conditions per place. [2025-02-08 01:16:27,015 INFO L140 encePairwiseOnDemand]: 29/31 looper letters, 0 selfloop transitions, 0 changer transitions 22/22 dead transitions. [2025-02-08 01:16:27,015 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 22 transitions, 106 flow [2025-02-08 01:16:27,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 01:16:27,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 01:16:27,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 35 transitions. [2025-02-08 01:16:27,023 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3763440860215054 [2025-02-08 01:16:27,024 INFO L175 Difference]: Start difference. First operand has 31 places, 24 transitions, 66 flow. Second operand 3 states and 35 transitions. [2025-02-08 01:16:27,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 22 transitions, 106 flow [2025-02-08 01:16:27,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 22 transitions, 94 flow, removed 0 selfloop flow, removed 6 redundant places. [2025-02-08 01:16:27,027 INFO L231 Difference]: Finished difference. Result has 25 places, 0 transitions, 0 flow [2025-02-08 01:16:27,029 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=25, PETRI_TRANSITIONS=0} [2025-02-08 01:16:27,031 INFO L279 CegarLoopForPetriNet]: 31 programPoint places, -6 predicate places. [2025-02-08 01:16:27,031 INFO L471 AbstractCegarLoop]: Abstraction has has 25 places, 0 transitions, 0 flow [2025-02-08 01:16:27,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 01:16:27,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2025-02-08 01:16:27,033 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-02-08 01:16:27,033 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2025-02-08 01:16:27,033 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2025-02-08 01:16:27,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 01:16:27,033 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-08 01:16:27,036 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-08 01:16:27,036 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 01:16:27,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 01:16:27 BasicIcfg [2025-02-08 01:16:27,039 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 01:16:27,039 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 01:16:27,040 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 01:16:27,040 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 01:16:27,040 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:16:26" (3/4) ... [2025-02-08 01:16:27,041 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 01:16:27,043 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-02-08 01:16:27,043 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-02-08 01:16:27,044 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-02-08 01:16:27,048 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 124 nodes and edges [2025-02-08 01:16:27,048 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2025-02-08 01:16:27,048 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2025-02-08 01:16:27,048 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-08 01:16:27,103 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 01:16:27,103 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 01:16:27,103 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 01:16:27,104 INFO L158 Benchmark]: Toolchain (without parser) took 1874.98ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 88.5MB in the end (delta: 24.9MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2025-02-08 01:16:27,104 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 201.3MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 01:16:27,104 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.75ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 100.9MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 01:16:27,104 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.94ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 99.0MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 01:16:27,104 INFO L158 Benchmark]: Boogie Preprocessor took 34.48ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 96.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 01:16:27,105 INFO L158 Benchmark]: IcfgBuilder took 688.37ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 95.8MB in the end (delta: 756.6kB). Peak memory consumption was 65.1MB. Max. memory is 16.1GB. [2025-02-08 01:16:27,105 INFO L158 Benchmark]: TraceAbstraction took 811.55ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 96.1MB in the end (delta: -1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 01:16:27,105 INFO L158 Benchmark]: Witness Printer took 63.64ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 88.5MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 01:16:27,106 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 201.3MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.75ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 100.9MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.94ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 99.0MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.48ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 96.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 688.37ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 95.8MB in the end (delta: 756.6kB). Peak memory consumption was 65.1MB. Max. memory is 16.1GB. * TraceAbstraction took 811.55ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 96.1MB in the end (delta: -1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 63.64ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 88.5MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 91]: 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, 44 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: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 191 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 01:16:27,117 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