./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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/goblint-regression/28-race_reach_90-arrayloop2_racing.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 14:07:11,012 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 14:07:11,049 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 14:07:11,052 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 14:07:11,052 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 14:07:11,066 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 14:07:11,066 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 14:07:11,066 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 14:07:11,066 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 14:07:11,066 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 14:07:11,066 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 14:07:11,066 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 14:07:11,067 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 14:07:11,067 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 14:07:11,067 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 14:07:11,067 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 14:07:11,067 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 14:07:11,067 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 14:07:11,067 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 14:07:11,067 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 14:07:11,067 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 14:07:11,068 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 14:07:11,068 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 14:07:11,068 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 14:07:11,068 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 14:07:11,068 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 14:07:11,068 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 14:07:11,068 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 14:07:11,068 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 14:07:11,068 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 14:07:11,068 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 14:07:11,069 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 14:07:11,069 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 14:07:11,069 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 14:07:11,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 14:07:11,069 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 14:07:11,069 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 14:07:11,069 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 14:07:11,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 14:07:11,069 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 14:07:11,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 14:07:11,070 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 14:07:11,070 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 14:07:11,070 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 14:07:11,070 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 14:07:11,070 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 ! overflow) ) 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 -> f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af [2025-02-08 14:07:11,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 14:07:11,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 14:07:11,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 14:07:11,265 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 14:07:11,265 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 14:07:11,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2025-02-08 14:07:12,465 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2f3cb2429/04cc7ab9ad254e168002d4f1fdbf20d5/FLAG1a078ccf3 [2025-02-08 14:07:12,792 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 14:07:12,792 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2025-02-08 14:07:12,809 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2f3cb2429/04cc7ab9ad254e168002d4f1fdbf20d5/FLAG1a078ccf3 [2025-02-08 14:07:13,039 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2f3cb2429/04cc7ab9ad254e168002d4f1fdbf20d5 [2025-02-08 14:07:13,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 14:07:13,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 14:07:13,045 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 14:07:13,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 14:07:13,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 14:07:13,048 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:07:13" (1/1) ... [2025-02-08 14:07:13,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a9c5ae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:07:13, skipping insertion in model container [2025-02-08 14:07:13,049 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:07:13" (1/1) ... [2025-02-08 14:07:13,084 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 14:07:13,367 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 14:07:13,368 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 14:07:13,369 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 14:07:13,369 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 14:07:13,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:07:13,430 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 14:07:13,457 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 14:07:13,458 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 14:07:13,458 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 14:07:13,458 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 14:07:13,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:07:13,531 INFO L204 MainTranslator]: Completed translation [2025-02-08 14:07:13,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:07:13 WrapperNode [2025-02-08 14:07:13,532 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 14:07:13,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 14:07:13,532 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 14:07:13,532 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 14:07:13,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:07:13" (1/1) ... [2025-02-08 14:07:13,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:07:13" (1/1) ... [2025-02-08 14:07:13,571 INFO L138 Inliner]: procedures = 280, calls = 143, calls flagged for inlining = 11, calls inlined = 12, statements flattened = 388 [2025-02-08 14:07:13,571 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 14:07:13,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 14:07:13,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 14:07:13,572 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 14:07:13,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:07:13" (1/1) ... [2025-02-08 14:07:13,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:07:13" (1/1) ... [2025-02-08 14:07:13,587 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:07:13" (1/1) ... [2025-02-08 14:07:13,602 INFO L175 MemorySlicer]: Split 105 memory accesses to 5 slices as follows [2, 94, 5, 2, 2]. 90 percent of accesses are in the largest equivalence class. The 77 initializations are split as follows [2, 70, 5, 0, 0]. The 15 writes are split as follows [0, 13, 0, 1, 1]. [2025-02-08 14:07:13,603 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:07:13" (1/1) ... [2025-02-08 14:07:13,603 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:07:13" (1/1) ... [2025-02-08 14:07:13,612 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:07:13" (1/1) ... [2025-02-08 14:07:13,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:07:13" (1/1) ... [2025-02-08 14:07:13,615 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:07:13" (1/1) ... [2025-02-08 14:07:13,616 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:07:13" (1/1) ... [2025-02-08 14:07:13,623 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 14:07:13,624 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 14:07:13,624 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 14:07:13,624 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 14:07:13,625 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:07:13" (1/1) ... [2025-02-08 14:07:13,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 14:07:13,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:07:13,652 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 14:07:13,654 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 14:07:13,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 14:07:13,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 14:07:13,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 14:07:13,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 14:07:13,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 14:07:13,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 14:07:13,669 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2025-02-08 14:07:13,669 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2025-02-08 14:07:13,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 14:07:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 14:07:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 14:07:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 14:07:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 14:07:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 14:07:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-08 14:07:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 14:07:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 14:07:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 14:07:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 14:07:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 14:07:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2025-02-08 14:07:13,670 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2025-02-08 14:07:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 14:07:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 14:07:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 14:07:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 14:07:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 14:07:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-08 14:07:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 14:07:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 14:07:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 14:07:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 14:07:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 14:07:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 14:07:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 14:07:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 14:07:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 14:07:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 14:07:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 14:07:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 14:07:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 14:07:13,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 14:07:13,673 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 14:07:13,827 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 14:07:13,829 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 14:07:14,260 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1028: list_add_~head#1.base, list_add_~head#1.offset := list_add_#in~head#1.base, list_add_#in~head#1.offset; [2025-02-08 14:07:14,260 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1028-1: list_add_~new#1.base, list_add_~new#1.offset := list_add_#in~new#1.base, list_add_#in~new#1.offset; [2025-02-08 14:07:14,260 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1029: havoc list_add_#t~mem4#1.base, list_add_#t~mem4#1.offset; [2025-02-08 14:07:14,261 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1029-1: list_add_~next~0#1.base, list_add_~next~0#1.offset := list_add_#t~mem4#1.base, list_add_#t~mem4#1.offset; [2025-02-08 14:07:14,261 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1029-2: SUMMARY for call list_add_#t~mem4#1.base, list_add_#t~mem4#1.offset := read~$Pointer$#1(list_add_~head#1.base, list_add_~head#1.offset, 4); srcloc: null [2025-02-08 14:07:14,261 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1030: SUMMARY for call write~$Pointer$#1(list_add_~new#1.base, list_add_~new#1.offset, list_add_~next~0#1.base, 4 + list_add_~next~0#1.offset, 4); srcloc: null [2025-02-08 14:07:14,261 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1080-1: havoc main_#t~post42#1; [2025-02-08 14:07:14,261 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1080-2: assume 1 + main_#t~post42#1 <= 2147483647; [2025-02-08 14:07:14,261 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1080-2: assume !(1 + main_#t~post42#1 <= 2147483647); [2025-02-08 14:07:14,261 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1080-3: main_~j~2#1 := 1 + main_#t~post42#1; [2025-02-08 14:07:14,261 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1080-4: assume 1 + main_#t~post42#1 >= -2147483648; [2025-02-08 14:07:14,261 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1080-4: assume !(1 + main_#t~post42#1 >= -2147483648); [2025-02-08 14:07:14,261 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1080-5: assume { :end_inline_list_add } true;main_#t~post42#1 := main_~j~2#1; [2025-02-08 14:07:14,261 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1080-6: havoc list_add_#in~new#1.base, list_add_#in~new#1.offset, list_add_#in~head#1.base, list_add_#in~head#1.offset; [2025-02-08 14:07:14,261 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1080-7: havoc list_add_#t~mem4#1.base, list_add_#t~mem4#1.offset, list_add_~new#1.base, list_add_~new#1.offset, list_add_~head#1.base, list_add_~head#1.offset, list_add_~next~0#1.base, list_add_~next~0#1.offset; [2025-02-08 14:07:14,261 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1080-8: assume { :end_inline_new } true;assume { :begin_inline_list_add } true;list_add_#in~new#1.base, list_add_#in~new#1.offset, list_add_#in~head#1.base, list_add_#in~head#1.offset := main_#t~ret41#1.base, 4 + main_#t~ret41#1.offset, ~#c~0.base, ~#c~0.offset + 8 * main_~i~0#1; [2025-02-08 14:07:14,261 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1080-9: havoc new_#in~x#1; [2025-02-08 14:07:14,261 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1080-10: havoc new_#t~malloc3#1.base, new_#t~malloc3#1.offset, new_~x#1, new_~p~0#1.base, new_~p~0#1.offset; [2025-02-08 14:07:14,261 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1080-11: main_#t~ret41#1.base, main_#t~ret41#1.offset := new_#res#1.base, new_#res#1.offset; [2025-02-08 14:07:14,261 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1031: SUMMARY for call write~$Pointer$#1(list_add_~next~0#1.base, list_add_~next~0#1.offset, list_add_~new#1.base, list_add_~new#1.offset, 4); srcloc: null [2025-02-08 14:07:14,261 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032: SUMMARY for call write~$Pointer$#1(list_add_~head#1.base, list_add_~head#1.offset, list_add_~new#1.base, 4 + list_add_~new#1.offset, 4); srcloc: null [2025-02-08 14:07:14,261 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1082: havoc main_~#t2_ids~0#1.base, main_~#t2_ids~0#1.offset; [2025-02-08 14:07:14,262 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1082-1: SUMMARY for call ULTIMATE.dealloc(main_~#t2_ids~0#1.base, main_~#t2_ids~0#1.offset); srcloc: null [2025-02-08 14:07:14,262 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1082-2: havoc main_~#t1_ids~0#1.base, main_~#t1_ids~0#1.offset; [2025-02-08 14:07:14,262 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1082-3: SUMMARY for call ULTIMATE.dealloc(main_~#t1_ids~0#1.base, main_~#t1_ids~0#1.offset); srcloc: null [2025-02-08 14:07:14,262 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1033: havoc list_add_#t~mem4#1.base, list_add_#t~mem4#1.offset, list_add_~new#1.base, list_add_~new#1.offset, list_add_~head#1.base, list_add_~head#1.offset, list_add_~next~0#1.base, list_add_~next~0#1.offset; [2025-02-08 14:07:14,262 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1033-1: SUMMARY for call write~$Pointer$#1(list_add_~new#1.base, list_add_~new#1.offset, list_add_~head#1.base, list_add_~head#1.offset, 4); srcloc: null [2025-02-08 14:07:14,263 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 14:07:14,263 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 14:07:14,677 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 14:07:14,677 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 14:07:14,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:07:14 BoogieIcfgContainer [2025-02-08 14:07:14,678 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 14:07:14,680 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 14:07:14,680 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 14:07:14,683 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 14:07:14,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 02:07:13" (1/3) ... [2025-02-08 14:07:14,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c09ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 02:07:14, skipping insertion in model container [2025-02-08 14:07:14,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:07:13" (2/3) ... [2025-02-08 14:07:14,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c09ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 02:07:14, skipping insertion in model container [2025-02-08 14:07:14,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:07:14" (3/3) ... [2025-02-08 14:07:14,685 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_90-arrayloop2_racing.i [2025-02-08 14:07:14,695 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 14:07:14,696 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_90-arrayloop2_racing.i that has 3 procedures, 137 locations, 1 initial locations, 20 loop locations, and 30 error locations. [2025-02-08 14:07:14,696 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 14:07:14,762 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-02-08 14:07:14,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 143 places, 169 transitions, 358 flow [2025-02-08 14:07:14,859 INFO L124 PetriNetUnfolderBase]: 48/284 cut-off events. [2025-02-08 14:07:14,860 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2025-02-08 14:07:14,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 301 conditions, 284 events. 48/284 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1438 event pairs, 0 based on Foata normal form. 0/181 useless extension candidates. Maximal degree in co-relation 162. Up to 8 conditions per place. [2025-02-08 14:07:14,864 INFO L82 GeneralOperation]: Start removeDead. Operand has 143 places, 169 transitions, 358 flow [2025-02-08 14:07:14,867 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 142 places, 168 transitions, 356 flow [2025-02-08 14:07:14,872 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 14:07:14,878 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;@560ac6ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 14:07:14,878 INFO L334 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2025-02-08 14:07:14,883 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 14:07:14,883 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events. [2025-02-08 14:07:14,883 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 14:07:14,883 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 14:07:14,883 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-02-08 14:07:14,884 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2025-02-08 14:07:14,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:07:14,890 INFO L85 PathProgramCache]: Analyzing trace with hash 29349435, now seen corresponding path program 1 times [2025-02-08 14:07:14,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:07:14,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499654438] [2025-02-08 14:07:14,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:07:14,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:07:14,968 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 14:07:15,005 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 14:07:15,006 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:07:15,006 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 14:07:15,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1537947257] [2025-02-08 14:07:15,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:07:15,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 14:07:15,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:07:15,018 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 14:07:15,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 14:07:15,109 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 14:07:15,149 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 14:07:15,150 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:07:15,150 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:07:15,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 14:07:15,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:07:15,178 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 14:07:15,179 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 14:07:15,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:07:15,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499654438] [2025-02-08 14:07:15,179 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 14:07:15,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537947257] [2025-02-08 14:07:15,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537947257] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 14:07:15,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 14:07:15,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 14:07:15,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911496000] [2025-02-08 14:07:15,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 14:07:15,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 14:07:15,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:07:15,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 14:07:15,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 14:07:15,217 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 169 [2025-02-08 14:07:15,220 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 168 transitions, 356 flow. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 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 14:07:15,220 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 14:07:15,220 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 169 [2025-02-08 14:07:15,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 14:07:16,858 INFO L124 PetriNetUnfolderBase]: 7863/18107 cut-off events. [2025-02-08 14:07:16,859 INFO L125 PetriNetUnfolderBase]: For 252/252 co-relation queries the response was YES. [2025-02-08 14:07:16,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29863 conditions, 18107 events. 7863/18107 cut-off events. For 252/252 co-relation queries the response was YES. Maximal size of possible extension queue 520. Compared 171304 event pairs, 6700 based on Foata normal form. 3200/18025 useless extension candidates. Maximal degree in co-relation 28487. Up to 11616 conditions per place. [2025-02-08 14:07:16,966 INFO L140 encePairwiseOnDemand]: 144/169 looper letters, 70 selfloop transitions, 2 changer transitions 0/151 dead transitions. [2025-02-08 14:07:16,967 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 151 transitions, 466 flow [2025-02-08 14:07:16,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 14:07:16,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 14:07:16,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 332 transitions. [2025-02-08 14:07:16,976 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6548323471400395 [2025-02-08 14:07:16,977 INFO L175 Difference]: Start difference. First operand has 142 places, 168 transitions, 356 flow. Second operand 3 states and 332 transitions. [2025-02-08 14:07:16,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 151 transitions, 466 flow [2025-02-08 14:07:16,982 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 151 transitions, 466 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-08 14:07:16,986 INFO L231 Difference]: Finished difference. Result has 145 places, 149 transitions, 332 flow [2025-02-08 14:07:16,988 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=145, PETRI_TRANSITIONS=149} [2025-02-08 14:07:16,991 INFO L279 CegarLoopForPetriNet]: 142 programPoint places, 3 predicate places. [2025-02-08 14:07:16,991 INFO L471 AbstractCegarLoop]: Abstraction has has 145 places, 149 transitions, 332 flow [2025-02-08 14:07:16,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 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 14:07:16,991 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 14:07:16,991 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-02-08 14:07:17,001 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 14:07:17,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-08 14:07:17,193 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2025-02-08 14:07:17,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:07:17,195 INFO L85 PathProgramCache]: Analyzing trace with hash 29349490, now seen corresponding path program 1 times [2025-02-08 14:07:17,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:07:17,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403586613] [2025-02-08 14:07:17,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:07:17,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:07:17,222 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 14:07:17,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 14:07:17,251 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:07:17,254 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:07:17,372 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 14:07:17,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:07:17,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403586613] [2025-02-08 14:07:17,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403586613] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 14:07:17,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 14:07:17,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 14:07:17,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463250569] [2025-02-08 14:07:17,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 14:07:17,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 14:07:17,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:07:17,374 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 14:07:17,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 14:07:17,436 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 169 [2025-02-08 14:07:17,437 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 149 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 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 14:07:17,437 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 14:07:17,437 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 169 [2025-02-08 14:07:17,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 14:07:17,444 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2025-02-08 14:07:17,444 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 14:07:17,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13 conditions, 4 events. 0/4 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 1/5 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2025-02-08 14:07:17,445 INFO L140 encePairwiseOnDemand]: 167/169 looper letters, 0 selfloop transitions, 0 changer transitions 4/4 dead transitions. [2025-02-08 14:07:17,445 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 12 places, 4 transitions, 15 flow [2025-02-08 14:07:17,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 14:07:17,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 14:07:17,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 240 transitions. [2025-02-08 14:07:17,446 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.47337278106508873 [2025-02-08 14:07:17,446 INFO L175 Difference]: Start difference. First operand has 145 places, 149 transitions, 332 flow. Second operand 3 states and 240 transitions. [2025-02-08 14:07:17,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 12 places, 4 transitions, 15 flow [2025-02-08 14:07:17,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 10 places, 4 transitions, 13 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 14:07:17,447 INFO L231 Difference]: Finished difference. Result has 10 places, 0 transitions, 0 flow [2025-02-08 14:07:17,447 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=9, PETRI_DIFFERENCE_MINUEND_PLACES=8, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=4, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=10, PETRI_TRANSITIONS=0} [2025-02-08 14:07:17,447 INFO L279 CegarLoopForPetriNet]: 142 programPoint places, -132 predicate places. [2025-02-08 14:07:17,448 INFO L471 AbstractCegarLoop]: Abstraction has has 10 places, 0 transitions, 0 flow [2025-02-08 14:07:17,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 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 14:07:17,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 46 remaining) [2025-02-08 14:07:17,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 46 remaining) [2025-02-08 14:07:17,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 46 remaining) [2025-02-08 14:07:17,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 46 remaining) [2025-02-08 14:07:17,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 46 remaining) [2025-02-08 14:07:17,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 46 remaining) [2025-02-08 14:07:17,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 46 remaining) [2025-02-08 14:07:17,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 46 remaining) [2025-02-08 14:07:17,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 46 remaining) [2025-02-08 14:07:17,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 46 remaining) [2025-02-08 14:07:17,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 46 remaining) [2025-02-08 14:07:17,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 46 remaining) [2025-02-08 14:07:17,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 46 remaining) [2025-02-08 14:07:17,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 46 remaining) [2025-02-08 14:07:17,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 46 remaining) [2025-02-08 14:07:17,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 46 remaining) [2025-02-08 14:07:17,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 46 remaining) [2025-02-08 14:07:17,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 46 remaining) [2025-02-08 14:07:17,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 46 remaining) [2025-02-08 14:07:17,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 46 remaining) [2025-02-08 14:07:17,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 46 remaining) [2025-02-08 14:07:17,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 46 remaining) [2025-02-08 14:07:17,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 46 remaining) [2025-02-08 14:07:17,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 46 remaining) [2025-02-08 14:07:17,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 46 remaining) [2025-02-08 14:07:17,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 46 remaining) [2025-02-08 14:07:17,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 46 remaining) [2025-02-08 14:07:17,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 46 remaining) [2025-02-08 14:07:17,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 46 remaining) [2025-02-08 14:07:17,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 46 remaining) [2025-02-08 14:07:17,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 46 remaining) [2025-02-08 14:07:17,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 46 remaining) [2025-02-08 14:07:17,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 46 remaining) [2025-02-08 14:07:17,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 46 remaining) [2025-02-08 14:07:17,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 46 remaining) [2025-02-08 14:07:17,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 46 remaining) [2025-02-08 14:07:17,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 46 remaining) [2025-02-08 14:07:17,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 46 remaining) [2025-02-08 14:07:17,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 46 remaining) [2025-02-08 14:07:17,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 46 remaining) [2025-02-08 14:07:17,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 46 remaining) [2025-02-08 14:07:17,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 46 remaining) [2025-02-08 14:07:17,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 46 remaining) [2025-02-08 14:07:17,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 46 remaining) [2025-02-08 14:07:17,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 46 remaining) [2025-02-08 14:07:17,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 46 remaining) [2025-02-08 14:07:17,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 14:07:17,454 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-08 14:07:17,457 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-08 14:07:17,457 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 14:07:17,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 02:07:17 BasicIcfg [2025-02-08 14:07:17,461 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 14:07:17,461 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 14:07:17,461 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 14:07:17,461 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 14:07:17,462 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:07:14" (3/4) ... [2025-02-08 14:07:17,463 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 14:07:17,464 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t2_fun [2025-02-08 14:07:17,465 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t1_fun [2025-02-08 14:07:17,468 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 96 nodes and edges [2025-02-08 14:07:17,468 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2025-02-08 14:07:17,468 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2025-02-08 14:07:17,468 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-08 14:07:17,469 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 14:07:17,469 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 14:07:17,469 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 14:07:17,544 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 14:07:17,544 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 14:07:17,545 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 14:07:17,546 INFO L158 Benchmark]: Toolchain (without parser) took 4501.89ms. Allocated memory was 167.8MB in the beginning and 352.3MB in the end (delta: 184.5MB). Free memory was 132.2MB in the beginning and 195.8MB in the end (delta: -63.6MB). Peak memory consumption was 123.2MB. Max. memory is 16.1GB. [2025-02-08 14:07:17,547 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 209.7MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:07:17,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 487.19ms. Allocated memory is still 167.8MB. Free memory was 132.2MB in the beginning and 98.8MB in the end (delta: 33.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-08 14:07:17,547 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.25ms. Allocated memory is still 167.8MB. Free memory was 98.8MB in the beginning and 95.3MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:07:17,547 INFO L158 Benchmark]: Boogie Preprocessor took 51.08ms. Allocated memory is still 167.8MB. Free memory was 95.3MB in the beginning and 91.1MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 14:07:17,548 INFO L158 Benchmark]: IcfgBuilder took 1053.90ms. Allocated memory is still 167.8MB. Free memory was 91.1MB in the beginning and 63.5MB in the end (delta: 27.6MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2025-02-08 14:07:17,548 INFO L158 Benchmark]: TraceAbstraction took 2780.92ms. Allocated memory was 167.8MB in the beginning and 352.3MB in the end (delta: 184.5MB). Free memory was 63.5MB in the beginning and 200.8MB in the end (delta: -137.4MB). Peak memory consumption was 190.6MB. Max. memory is 16.1GB. [2025-02-08 14:07:17,548 INFO L158 Benchmark]: Witness Printer took 83.39ms. Allocated memory is still 352.3MB. Free memory was 200.8MB in the beginning and 195.8MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 14:07:17,549 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 209.7MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 487.19ms. Allocated memory is still 167.8MB. Free memory was 132.2MB in the beginning and 98.8MB in the end (delta: 33.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.25ms. Allocated memory is still 167.8MB. Free memory was 98.8MB in the beginning and 95.3MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.08ms. Allocated memory is still 167.8MB. Free memory was 95.3MB in the beginning and 91.1MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 1053.90ms. Allocated memory is still 167.8MB. Free memory was 91.1MB in the beginning and 63.5MB in the end (delta: 27.6MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2780.92ms. Allocated memory was 167.8MB in the beginning and 352.3MB in the end (delta: 184.5MB). Free memory was 63.5MB in the beginning and 200.8MB in the end (delta: -137.4MB). Peak memory consumption was 190.6MB. Max. memory is 16.1GB. * Witness Printer took 83.39ms. Allocated memory is still 352.3MB. Free memory was 200.8MB in the beginning and 195.8MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1062]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1062]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1070]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1070]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1071]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1071]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1066]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1066]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1066]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1066]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1080]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1077]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1080]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1077]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1082]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1082]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1082]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1082]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1083]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1083]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1083]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1083]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1051]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1051]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1046]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1046]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1046]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1046]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 235 locations, 46 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: 2.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 144 IncrementalHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 3 mSDtfsCounter, 144 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=356occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0.1s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 254 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-08 14:07:17,566 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