./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-more-array-sum2.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-more-array-sum2.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 6d47c8696b49948f6f8f53dd9eda6f4e0281717fd9a29e264a19ded5493fa577 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:17:52,116 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:17:52,160 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-08 01:17:52,166 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:17:52,167 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:17:52,181 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:17:52,181 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:17:52,181 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:17:52,182 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:17:52,182 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:17:52,182 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:17:52,182 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:17:52,182 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:17:52,182 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:17:52,182 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:17:52,182 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:17:52,183 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:17:52,183 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 01:17:52,183 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:17:52,183 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 01:17:52,183 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:17:52,183 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:17:52,183 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:17:52,183 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:17:52,183 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 01:17:52,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:17:52,183 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:17:52,183 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:17:52,184 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:17:52,184 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:17:52,184 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:17:52,184 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:17:52,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:17:52,184 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:17:52,184 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:17:52,184 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:17:52,184 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:17:52,184 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:17:52,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:17:52,184 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:17:52,185 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:17:52,185 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:17:52,185 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:17:52,185 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 -> 6d47c8696b49948f6f8f53dd9eda6f4e0281717fd9a29e264a19ded5493fa577 [2025-02-08 01:17:52,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:17:52,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:17:52,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:17:52,382 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:17:52,382 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:17:52,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c [2025-02-08 01:17:53,505 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ee42240ac/b373d60ac9df482ea3d300f798e34d78/FLAG34bca8405 [2025-02-08 01:17:53,731 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:17:53,731 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c [2025-02-08 01:17:53,740 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ee42240ac/b373d60ac9df482ea3d300f798e34d78/FLAG34bca8405 [2025-02-08 01:17:53,755 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ee42240ac/b373d60ac9df482ea3d300f798e34d78 [2025-02-08 01:17:53,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:17:53,762 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:17:53,764 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:17:53,764 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:17:53,768 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:17:53,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:17:53" (1/1) ... [2025-02-08 01:17:53,770 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@774b0104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:17:53, skipping insertion in model container [2025-02-08 01:17:53,770 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:17:53" (1/1) ... [2025-02-08 01:17:53,783 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:17:53,905 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-more-array-sum2.wvr.c[2638,2651] [2025-02-08 01:17:53,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:17:53,924 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:17:53,940 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-more-array-sum2.wvr.c[2638,2651] [2025-02-08 01:17:53,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:17:53,962 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:17:53,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:17:53 WrapperNode [2025-02-08 01:17:53,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:17:53,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:17:53,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:17:53,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:17:53,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:17:53" (1/1) ... [2025-02-08 01:17:53,973 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:17:53" (1/1) ... [2025-02-08 01:17:53,995 INFO L138 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 249 [2025-02-08 01:17:53,997 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:17:53,998 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:17:53,998 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:17:53,998 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:17:54,005 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:17:53" (1/1) ... [2025-02-08 01:17:54,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:17:53" (1/1) ... [2025-02-08 01:17:54,012 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:17:53" (1/1) ... [2025-02-08 01:17:54,030 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2]. [2025-02-08 01:17:54,031 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:17:53" (1/1) ... [2025-02-08 01:17:54,031 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:17:53" (1/1) ... [2025-02-08 01:17:54,036 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:17:53" (1/1) ... [2025-02-08 01:17:54,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:17:53" (1/1) ... [2025-02-08 01:17:54,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:17:53" (1/1) ... [2025-02-08 01:17:54,038 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:17:53" (1/1) ... [2025-02-08 01:17:54,043 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:17:54,044 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:17:54,044 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:17:54,044 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:17:54,045 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:17:53" (1/1) ... [2025-02-08 01:17:54,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:17:54,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:17:54,074 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 01:17:54,077 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 01:17:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:17:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-08 01:17:54,093 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-08 01:17:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-08 01:17:54,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-08 01:17:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-02-08 01:17:54,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-02-08 01:17:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:17:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:17:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:17:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:17:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-08 01:17:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-08 01:17:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:17:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:17:54,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:17:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:17:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:17:54,096 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 01:17:54,188 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:17:54,190 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:17:54,316 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114: 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 01:17:54,316 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114-1: havoc assume_abort_if_not_#in~cond#1; [2025-02-08 01:17:54,316 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114-2: havoc assume_abort_if_not_~cond#1; [2025-02-08 01:17:54,317 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L48-1: havoc #t~post5#1; [2025-02-08 01:17:54,317 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114-3: havoc assume_abort_if_not_~cond#1; [2025-02-08 01:17:54,317 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L48-2: ~i~0#1 := 1 + #t~post5#1; [2025-02-08 01:17:54,317 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114-4: 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 01:17:54,317 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L48-3: #t~post5#1 := ~i~0#1; [2025-02-08 01:17:54,317 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L36: assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; [2025-02-08 01:17:54,317 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L36-1: assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; [2025-02-08 01:17:54,317 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L115: assume { :end_inline_assume_abort_if_not } true;plus_#res#1 := plus_~a#1 + plus_~b#1; [2025-02-08 01:17:54,317 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L115-1: havoc assume_abort_if_not_#in~cond#1; [2025-02-08 01:17:54,317 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L115-2: havoc assume_abort_if_not_~cond#1; [2025-02-08 01:17:54,317 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L115-3: havoc assume_abort_if_not_~cond#1; [2025-02-08 01:17:54,317 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L37: assume 0 == assume_abort_if_not_~cond#1; [2025-02-08 01:17:54,318 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L37: assume !(0 == assume_abort_if_not_~cond#1); [2025-02-08 01:17:54,318 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L37-1: assume false; [2025-02-08 01:17:54,318 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L37-2: assume 0 == assume_abort_if_not_~cond#1; [2025-02-08 01:17:54,318 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L37-2: assume !(0 == assume_abort_if_not_~cond#1); [2025-02-08 01:17:54,318 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L37-3: assume false; [2025-02-08 01:17:54,318 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L50: havoc #t~ret4#1; [2025-02-08 01:17:54,318 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L50-1: havoc #t~ret3#1; [2025-02-08 01:17:54,318 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L50-2: havoc #t~mem2#1; [2025-02-08 01:17:54,318 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L50-3: havoc #t~mem1#1; [2025-02-08 01:17:54,318 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L50-4: ~res1~0 := #t~ret4#1; [2025-02-08 01:17:54,318 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L50-5: assume { :end_inline_plus } true;assume -2147483648 <= #t~ret4#1 && #t~ret4#1 <= 2147483647; [2025-02-08 01:17:54,318 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L50-6: havoc plus_#in~a#1, plus_#in~b#1; [2025-02-08 01:17:54,318 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L50-7: havoc plus_~a#1, plus_~b#1; [2025-02-08 01:17:54,318 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L50-8: #t~ret4#1 := plus_#res#1; [2025-02-08 01:17:54,319 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L50-9: havoc plus_~a#1, plus_~b#1; [2025-02-08 01:17:54,319 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L50-10: havoc plus_#res#1; [2025-02-08 01:17:54,319 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L50-11: assume { :begin_inline_plus } true;plus_#in~a#1, plus_#in~b#1 := ~res1~0, #t~ret3#1; [2025-02-08 01:17:54,319 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L50-12: assume { :end_inline_plus } true;assume -2147483648 <= #t~ret3#1 && #t~ret3#1 <= 2147483647; [2025-02-08 01:17:54,319 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L50-13: havoc plus_#in~a#1, plus_#in~b#1; [2025-02-08 01:17:54,319 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L50-14: havoc plus_~a#1, plus_~b#1; [2025-02-08 01:17:54,319 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L50-15: #t~ret3#1 := plus_#res#1; [2025-02-08 01:17:54,319 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L51: [2025-02-08 01:17:54,319 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L113: plus_~b#1 := plus_#in~b#1; [2025-02-08 01:17:54,319 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L113-1: plus_~a#1 := plus_#in~a#1; [2025-02-08 01:17:54,375 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L60: havoc #t~ret9#1; [2025-02-08 01:17:54,377 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L60-1: havoc #t~ret8#1; [2025-02-08 01:17:54,380 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L60-2: havoc #t~mem7#1; [2025-02-08 01:17:54,380 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L60-3: havoc #t~mem6#1; [2025-02-08 01:17:54,380 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L60-4: ~res2~0 := #t~ret9#1; [2025-02-08 01:17:54,380 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L60-5: assume { :end_inline_plus } true;assume -2147483648 <= #t~ret9#1 && #t~ret9#1 <= 2147483647; [2025-02-08 01:17:54,380 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L60-6: havoc plus_#in~a#1, plus_#in~b#1; [2025-02-08 01:17:54,380 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L60-7: havoc plus_~a#1, plus_~b#1; [2025-02-08 01:17:54,380 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L60-8: #t~ret9#1 := plus_#res#1; [2025-02-08 01:17:54,381 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L60-9: havoc plus_~a#1, plus_~b#1; [2025-02-08 01:17:54,381 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114: 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 01:17:54,381 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L60-10: havoc plus_#res#1; [2025-02-08 01:17:54,381 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114-1: havoc assume_abort_if_not_#in~cond#1; [2025-02-08 01:17:54,381 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L60-11: assume { :begin_inline_plus } true;plus_#in~a#1, plus_#in~b#1 := ~res2~0, #t~ret8#1; [2025-02-08 01:17:54,381 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114-2: havoc assume_abort_if_not_~cond#1; [2025-02-08 01:17:54,381 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L60-12: assume { :end_inline_plus } true;assume -2147483648 <= #t~ret8#1 && #t~ret8#1 <= 2147483647; [2025-02-08 01:17:54,381 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114-3: havoc assume_abort_if_not_~cond#1; [2025-02-08 01:17:54,381 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L60-13: havoc plus_#in~a#1, plus_#in~b#1; [2025-02-08 01:17:54,381 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114-4: 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 01:17:54,381 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L60-14: havoc plus_~a#1, plus_~b#1; [2025-02-08 01:17:54,381 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L60-15: #t~ret8#1 := plus_#res#1; [2025-02-08 01:17:54,381 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L36: assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; [2025-02-08 01:17:54,381 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L36-1: assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; [2025-02-08 01:17:54,381 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L61: [2025-02-08 01:17:54,381 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L115: assume { :end_inline_assume_abort_if_not } true;plus_#res#1 := plus_~a#1 + plus_~b#1; [2025-02-08 01:17:54,381 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L115-1: havoc assume_abort_if_not_#in~cond#1; [2025-02-08 01:17:54,381 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L115-2: havoc assume_abort_if_not_~cond#1; [2025-02-08 01:17:54,381 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L115-3: havoc assume_abort_if_not_~cond#1; [2025-02-08 01:17:54,382 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L37: assume 0 == assume_abort_if_not_~cond#1; [2025-02-08 01:17:54,382 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L37: assume !(0 == assume_abort_if_not_~cond#1); [2025-02-08 01:17:54,382 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L37-1: assume false; [2025-02-08 01:17:54,382 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L37-2: assume 0 == assume_abort_if_not_~cond#1; [2025-02-08 01:17:54,382 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L37-2: assume !(0 == assume_abort_if_not_~cond#1); [2025-02-08 01:17:54,382 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L37-3: assume false; [2025-02-08 01:17:54,382 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L58-1: havoc #t~post10#1; [2025-02-08 01:17:54,382 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L58-2: ~i~1#1 := 1 + #t~post10#1; [2025-02-08 01:17:54,382 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L58-3: #t~post10#1 := ~i~1#1; [2025-02-08 01:17:54,382 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L113: plus_~b#1 := plus_#in~b#1; [2025-02-08 01:17:54,382 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L113-1: plus_~a#1 := plus_#in~a#1; [2025-02-08 01:17:54,425 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L68-3: #t~post15#1 := ~i~2#1; [2025-02-08 01:17:54,425 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114: 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 01:17:54,425 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114-1: havoc assume_abort_if_not_#in~cond#1; [2025-02-08 01:17:54,425 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114-2: havoc assume_abort_if_not_~cond#1; [2025-02-08 01:17:54,425 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114-3: havoc assume_abort_if_not_~cond#1; [2025-02-08 01:17:54,425 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114-4: 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 01:17:54,425 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L36: assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; [2025-02-08 01:17:54,426 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L36-1: assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; [2025-02-08 01:17:54,426 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L115: assume { :end_inline_assume_abort_if_not } true;plus_#res#1 := plus_~a#1 + plus_~b#1; [2025-02-08 01:17:54,426 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L115-1: havoc assume_abort_if_not_#in~cond#1; [2025-02-08 01:17:54,426 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L115-2: havoc assume_abort_if_not_~cond#1; [2025-02-08 01:17:54,426 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L115-3: havoc assume_abort_if_not_~cond#1; [2025-02-08 01:17:54,426 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L70: havoc #t~ret14#1; [2025-02-08 01:17:54,426 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L70-1: havoc #t~ret13#1; [2025-02-08 01:17:54,426 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L37: assume 0 == assume_abort_if_not_~cond#1; [2025-02-08 01:17:54,426 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L37: assume !(0 == assume_abort_if_not_~cond#1); [2025-02-08 01:17:54,426 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L70-2: havoc #t~mem12#1; [2025-02-08 01:17:54,426 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L37-1: assume false; [2025-02-08 01:17:54,426 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L70-3: havoc #t~mem11#1; [2025-02-08 01:17:54,426 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L37-2: assume 0 == assume_abort_if_not_~cond#1; [2025-02-08 01:17:54,426 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L37-2: assume !(0 == assume_abort_if_not_~cond#1); [2025-02-08 01:17:54,426 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L70-4: ~res2~0 := #t~ret14#1; [2025-02-08 01:17:54,427 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L37-3: assume false; [2025-02-08 01:17:54,427 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L70-5: assume { :end_inline_plus } true;assume -2147483648 <= #t~ret14#1 && #t~ret14#1 <= 2147483647; [2025-02-08 01:17:54,427 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L70-6: havoc plus_#in~a#1, plus_#in~b#1; [2025-02-08 01:17:54,427 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L70-7: havoc plus_~a#1, plus_~b#1; [2025-02-08 01:17:54,427 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L70-8: #t~ret14#1 := plus_#res#1; [2025-02-08 01:17:54,427 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L70-9: havoc plus_~a#1, plus_~b#1; [2025-02-08 01:17:54,427 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L70-10: havoc plus_#res#1; [2025-02-08 01:17:54,427 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L70-11: assume { :begin_inline_plus } true;plus_#in~a#1, plus_#in~b#1 := ~res2~0, #t~ret13#1; [2025-02-08 01:17:54,427 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L70-12: assume { :end_inline_plus } true;assume -2147483648 <= #t~ret13#1 && #t~ret13#1 <= 2147483647; [2025-02-08 01:17:54,427 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L70-13: havoc plus_#in~a#1, plus_#in~b#1; [2025-02-08 01:17:54,427 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L70-14: havoc plus_~a#1, plus_~b#1; [2025-02-08 01:17:54,427 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L70-15: #t~ret13#1 := plus_#res#1; [2025-02-08 01:17:54,427 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L71: [2025-02-08 01:17:54,427 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L113: plus_~b#1 := plus_#in~b#1; [2025-02-08 01:17:54,428 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L113-1: plus_~a#1 := plus_#in~a#1; [2025-02-08 01:17:54,428 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L68-1: havoc #t~post15#1; [2025-02-08 01:17:54,428 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L68-2: ~i~2#1 := 1 + #t~post15#1; [2025-02-08 01:17:54,516 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 01:17:54,516 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:17:54,749 WARN L149 AtomicBlockAnalyzer]: Unexpected successor node of atomic block begin: L116-1 is not an error location. [2025-02-08 01:17:54,750 WARN L149 AtomicBlockAnalyzer]: Unexpected successor node of atomic block begin: L116-1 is not an error location. [2025-02-08 01:17:54,750 WARN L149 AtomicBlockAnalyzer]: Unexpected successor node of atomic block begin: L116-1 is not an error location. [2025-02-08 01:17:54,751 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:17:54,751 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:17:54,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:17:54 BoogieIcfgContainer [2025-02-08 01:17:54,751 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:17:54,754 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:17:54,754 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:17:54,757 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:17:54,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:17:53" (1/3) ... [2025-02-08 01:17:54,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34d9b0c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:17:54, skipping insertion in model container [2025-02-08 01:17:54,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:17:53" (2/3) ... [2025-02-08 01:17:54,759 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34d9b0c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:17:54, skipping insertion in model container [2025-02-08 01:17:54,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:17:54" (3/3) ... [2025-02-08 01:17:54,760 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum2.wvr.c [2025-02-08 01:17:54,772 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:17:54,774 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-array-sum2.wvr.c that has 4 procedures, 31 locations, 1 initial locations, 5 loop locations, and 1 error locations. [2025-02-08 01:17:54,774 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 01:17:54,830 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-02-08 01:17:54,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 40 places, 32 transitions, 85 flow [2025-02-08 01:17:54,889 INFO L124 PetriNetUnfolderBase]: 2/29 cut-off events. [2025-02-08 01:17:54,891 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-08 01:17:54,895 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 29 events. 2/29 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 36 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2025-02-08 01:17:54,896 INFO L82 GeneralOperation]: Start removeDead. Operand has 40 places, 32 transitions, 85 flow [2025-02-08 01:17:54,898 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 30 places, 22 transitions, 62 flow [2025-02-08 01:17:54,910 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:17:54,922 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;@5e2abfc2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:17:54,925 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-08 01:17:54,936 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 01:17:54,936 INFO L124 PetriNetUnfolderBase]: 2/21 cut-off events. [2025-02-08 01:17:54,937 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-08 01:17:54,937 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 01:17:54,937 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] [2025-02-08 01:17:54,938 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 01:17:54,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:17:54,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1599190232, now seen corresponding path program 1 times [2025-02-08 01:17:54,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:17:54,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712506078] [2025-02-08 01:17:54,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:17:54,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:17:55,013 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-08 01:17:55,050 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 01:17:55,055 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:17:55,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:17:55,240 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 01:17:55,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:17:55,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712506078] [2025-02-08 01:17:55,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712506078] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:17:55,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 01:17:55,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 01:17:55,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083457036] [2025-02-08 01:17:55,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:17:55,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 01:17:55,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:17:55,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 01:17:55,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 01:17:55,264 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 32 [2025-02-08 01:17:55,265 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 22 transitions, 62 flow. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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 01:17:55,265 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 01:17:55,265 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 32 [2025-02-08 01:17:55,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 01:17:55,358 INFO L124 PetriNetUnfolderBase]: 126/220 cut-off events. [2025-02-08 01:17:55,358 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2025-02-08 01:17:55,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 484 conditions, 220 events. 126/220 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 613 event pairs, 124 based on Foata normal form. 1/219 useless extension candidates. Maximal degree in co-relation 398. Up to 220 conditions per place. [2025-02-08 01:17:55,361 INFO L140 encePairwiseOnDemand]: 30/32 looper letters, 0 selfloop transitions, 0 changer transitions 20/20 dead transitions. [2025-02-08 01:17:55,361 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 20 transitions, 98 flow [2025-02-08 01:17:55,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 01:17:55,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 01:17:55,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 42 transitions. [2025-02-08 01:17:55,370 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4375 [2025-02-08 01:17:55,371 INFO L175 Difference]: Start difference. First operand has 30 places, 22 transitions, 62 flow. Second operand 3 states and 42 transitions. [2025-02-08 01:17:55,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 20 transitions, 98 flow [2025-02-08 01:17:55,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 20 transitions, 86 flow, removed 0 selfloop flow, removed 6 redundant places. [2025-02-08 01:17:55,375 INFO L231 Difference]: Finished difference. Result has 24 places, 0 transitions, 0 flow [2025-02-08 01:17:55,376 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=24, PETRI_TRANSITIONS=0} [2025-02-08 01:17:55,381 INFO L279 CegarLoopForPetriNet]: 30 programPoint places, -6 predicate places. [2025-02-08 01:17:55,381 INFO L471 AbstractCegarLoop]: Abstraction has has 24 places, 0 transitions, 0 flow [2025-02-08 01:17:55,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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 01:17:55,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2025-02-08 01:17:55,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-02-08 01:17:55,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2025-02-08 01:17:55,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2025-02-08 01:17:55,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 01:17:55,385 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-08 01:17:55,387 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-08 01:17:55,390 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 01:17:55,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 01:17:55 BasicIcfg [2025-02-08 01:17:55,397 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 01:17:55,398 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 01:17:55,398 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 01:17:55,398 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 01:17:55,398 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:17:54" (3/4) ... [2025-02-08 01:17:55,400 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 01:17:55,402 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-02-08 01:17:55,403 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-02-08 01:17:55,403 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-02-08 01:17:55,407 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 91 nodes and edges [2025-02-08 01:17:55,408 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2025-02-08 01:17:55,408 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2025-02-08 01:17:55,408 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-08 01:17:55,473 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 01:17:55,474 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 01:17:55,474 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 01:17:55,475 INFO L158 Benchmark]: Toolchain (without parser) took 1715.99ms. Allocated memory is still 201.3MB. Free memory was 158.1MB in the beginning and 126.0MB in the end (delta: 32.1MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2025-02-08 01:17:55,475 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 218.1MB. Free memory is still 132.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 01:17:55,475 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.96ms. Allocated memory is still 201.3MB. Free memory was 157.7MB in the beginning and 145.4MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 01:17:55,476 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.43ms. Allocated memory is still 201.3MB. Free memory was 145.4MB in the beginning and 143.2MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 01:17:55,477 INFO L158 Benchmark]: Boogie Preprocessor took 45.58ms. Allocated memory is still 201.3MB. Free memory was 143.2MB in the beginning and 141.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 01:17:55,477 INFO L158 Benchmark]: IcfgBuilder took 707.19ms. Allocated memory is still 201.3MB. Free memory was 140.7MB in the beginning and 81.2MB in the end (delta: 59.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-02-08 01:17:55,477 INFO L158 Benchmark]: TraceAbstraction took 643.22ms. Allocated memory is still 201.3MB. Free memory was 80.8MB in the beginning and 133.3MB in the end (delta: -52.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 01:17:55,479 INFO L158 Benchmark]: Witness Printer took 76.29ms. Allocated memory is still 201.3MB. Free memory was 133.3MB in the beginning and 126.0MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 01:17:55,481 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 218.1MB. Free memory is still 132.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.96ms. Allocated memory is still 201.3MB. Free memory was 157.7MB in the beginning and 145.4MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.43ms. Allocated memory is still 201.3MB. Free memory was 145.4MB in the beginning and 143.2MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.58ms. Allocated memory is still 201.3MB. Free memory was 143.2MB in the beginning and 141.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 707.19ms. Allocated memory is still 201.3MB. Free memory was 140.7MB in the beginning and 81.2MB in the end (delta: 59.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 643.22ms. Allocated memory is still 201.3MB. Free memory was 80.8MB in the beginning and 133.3MB in the end (delta: -52.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 76.29ms. Allocated memory is still 201.3MB. Free memory was 133.3MB in the beginning and 126.0MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 97]: 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, 49 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 20 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=62occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 55 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 01:17:55,492 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