./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/mix038_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 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/pthread-wmm/mix038_tso.oepc.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 b1e6ad0aca14cacb1f3fe02bd616009a97ed12a62626693737be4e470d14e12e --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 06:37:36,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 06:37:36,149 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 06:37:36,155 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 06:37:36,155 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 06:37:36,173 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 06:37:36,174 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 06:37:36,174 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 06:37:36,174 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 06:37:36,174 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 06:37:36,174 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 06:37:36,174 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 06:37:36,175 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 06:37:36,175 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 06:37:36,175 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 06:37:36,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 06:37:36,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 06:37:36,175 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 06:37:36,175 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 06:37:36,175 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 06:37:36,175 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 06:37:36,175 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 06:37:36,176 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 06:37:36,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 06:37:36,176 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 06:37:36,176 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 06:37:36,176 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 06:37:36,176 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 06:37:36,176 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 06:37:36,176 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 06:37:36,176 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 06:37:36,176 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:37:36,176 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:37:36,176 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:37:36,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:37:36,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 06:37:36,177 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:37:36,177 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:37:36,177 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:37:36,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:37:36,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 06:37:36,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 06:37:36,177 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 06:37:36,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 06:37:36,178 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 06:37:36,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 06:37:36,178 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 06:37:36,178 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 06:37:36,178 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 06:37:36,178 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 06:37:36,178 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 -> b1e6ad0aca14cacb1f3fe02bd616009a97ed12a62626693737be4e470d14e12e [2025-01-10 06:37:36,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 06:37:36,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 06:37:36,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 06:37:36,415 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 06:37:36,415 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 06:37:36,416 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix038_tso.oepc.i [2025-01-10 06:37:37,771 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6c25776cb/234174a59b9c4c15b22177c91cd395be/FLAG5e3bfb22c [2025-01-10 06:37:38,136 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 06:37:38,140 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix038_tso.oepc.i [2025-01-10 06:37:38,159 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6c25776cb/234174a59b9c4c15b22177c91cd395be/FLAG5e3bfb22c [2025-01-10 06:37:38,366 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6c25776cb/234174a59b9c4c15b22177c91cd395be [2025-01-10 06:37:38,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 06:37:38,373 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 06:37:38,374 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 06:37:38,374 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 06:37:38,380 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 06:37:38,385 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:37:38" (1/1) ... [2025-01-10 06:37:38,386 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37a2109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:38, skipping insertion in model container [2025-01-10 06:37:38,386 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:37:38" (1/1) ... [2025-01-10 06:37:38,425 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 06:37:38,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:37:38,763 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 06:37:38,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:37:38,843 INFO L204 MainTranslator]: Completed translation [2025-01-10 06:37:38,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:38 WrapperNode [2025-01-10 06:37:38,843 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 06:37:38,844 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 06:37:38,845 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 06:37:38,845 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 06:37:38,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:38" (1/1) ... [2025-01-10 06:37:38,861 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:38" (1/1) ... [2025-01-10 06:37:38,879 INFO L138 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 142 [2025-01-10 06:37:38,879 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 06:37:38,880 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 06:37:38,880 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 06:37:38,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 06:37:38,887 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:38" (1/1) ... [2025-01-10 06:37:38,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:38" (1/1) ... [2025-01-10 06:37:38,889 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:38" (1/1) ... [2025-01-10 06:37:38,900 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-10 06:37:38,900 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:38" (1/1) ... [2025-01-10 06:37:38,901 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:38" (1/1) ... [2025-01-10 06:37:38,906 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:38" (1/1) ... [2025-01-10 06:37:38,908 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:38" (1/1) ... [2025-01-10 06:37:38,909 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:38" (1/1) ... [2025-01-10 06:37:38,910 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:38" (1/1) ... [2025-01-10 06:37:38,911 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:38" (1/1) ... [2025-01-10 06:37:38,913 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 06:37:38,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 06:37:38,913 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 06:37:38,913 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 06:37:38,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:38" (1/1) ... [2025-01-10 06:37:38,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:37:38,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:37:38,959 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) [2025-01-10 06:37:38,965 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 [2025-01-10 06:37:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-10 06:37:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 06:37:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-01-10 06:37:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-01-10 06:37:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-01-10 06:37:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-01-10 06:37:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-01-10 06:37:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-01-10 06:37:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 06:37:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-10 06:37:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 06:37:38,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 06:37:38,993 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-10 06:37:39,118 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 06:37:39,120 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 06:37:39,343 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-10 06:37:39,343 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 06:37:39,501 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 06:37:39,502 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 06:37:39,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:37:39 BoogieIcfgContainer [2025-01-10 06:37:39,502 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 06:37:39,504 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 06:37:39,504 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 06:37:39,507 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 06:37:39,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:37:38" (1/3) ... [2025-01-10 06:37:39,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c49714c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:37:39, skipping insertion in model container [2025-01-10 06:37:39,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:38" (2/3) ... [2025-01-10 06:37:39,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c49714c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:37:39, skipping insertion in model container [2025-01-10 06:37:39,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:37:39" (3/3) ... [2025-01-10 06:37:39,509 INFO L128 eAbstractionObserver]: Analyzing ICFG mix038_tso.oepc.i [2025-01-10 06:37:39,519 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 06:37:39,522 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix038_tso.oepc.i that has 4 procedures, 42 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2025-01-10 06:37:39,522 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-10 06:37:39,567 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-01-10 06:37:39,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 41 transitions, 94 flow [2025-01-10 06:37:39,609 INFO L124 PetriNetUnfolderBase]: 0/38 cut-off events. [2025-01-10 06:37:39,610 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-10 06:37:39,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 38 events. 0/38 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 82 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2025-01-10 06:37:39,612 INFO L82 GeneralOperation]: Start removeDead. Operand has 51 places, 41 transitions, 94 flow [2025-01-10 06:37:39,614 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 48 places, 38 transitions, 85 flow [2025-01-10 06:37:39,619 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 06:37:39,629 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;@26603f48, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 06:37:39,629 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2025-01-10 06:37:39,634 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-10 06:37:39,634 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2025-01-10 06:37:39,634 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-10 06:37:39,634 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:37:39,635 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:37:39,635 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-01-10 06:37:39,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:37:39,639 INFO L85 PathProgramCache]: Analyzing trace with hash 493330441, now seen corresponding path program 1 times [2025-01-10 06:37:39,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:37:39,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742909461] [2025-01-10 06:37:39,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:37:39,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:37:39,700 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 06:37:39,720 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 06:37:39,721 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:37:39,721 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:37:39,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:37:39,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:37:39,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742909461] [2025-01-10 06:37:39,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742909461] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:37:39,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:37:39,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-01-10 06:37:39,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302846001] [2025-01-10 06:37:39,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:37:39,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:37:39,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:37:39,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:37:39,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:37:39,874 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 41 [2025-01-10 06:37:39,876 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 38 transitions, 85 flow. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2025-01-10 06:37:39,877 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:37:39,877 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 41 [2025-01-10 06:37:39,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:37:40,483 INFO L124 PetriNetUnfolderBase]: 2501/3719 cut-off events. [2025-01-10 06:37:40,483 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2025-01-10 06:37:40,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7460 conditions, 3719 events. 2501/3719 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 20684 event pairs, 893 based on Foata normal form. 0/2859 useless extension candidates. Maximal degree in co-relation 7449. Up to 3457 conditions per place. [2025-01-10 06:37:40,510 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 39 selfloop transitions, 4 changer transitions 0/54 dead transitions. [2025-01-10 06:37:40,511 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 54 transitions, 209 flow [2025-01-10 06:37:40,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:37:40,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-10 06:37:40,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 91 transitions. [2025-01-10 06:37:40,520 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7398373983739838 [2025-01-10 06:37:40,521 INFO L175 Difference]: Start difference. First operand has 48 places, 38 transitions, 85 flow. Second operand 3 states and 91 transitions. [2025-01-10 06:37:40,521 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 54 transitions, 209 flow [2025-01-10 06:37:40,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 54 transitions, 204 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-01-10 06:37:40,527 INFO L231 Difference]: Finished difference. Result has 48 places, 41 transitions, 118 flow [2025-01-10 06:37:40,528 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=118, PETRI_PLACES=48, PETRI_TRANSITIONS=41} [2025-01-10 06:37:40,531 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, 0 predicate places. [2025-01-10 06:37:40,531 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 41 transitions, 118 flow [2025-01-10 06:37:40,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2025-01-10 06:37:40,532 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:37:40,532 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:37:40,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 06:37:40,532 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-01-10 06:37:40,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:37:40,533 INFO L85 PathProgramCache]: Analyzing trace with hash -471020609, now seen corresponding path program 1 times [2025-01-10 06:37:40,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:37:40,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329304692] [2025-01-10 06:37:40,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:37:40,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:37:40,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 06:37:40,571 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 06:37:40,571 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:37:40,571 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:37:40,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:37:40,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:37:40,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329304692] [2025-01-10 06:37:40,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329304692] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:37:40,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:37:40,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:37:40,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619235888] [2025-01-10 06:37:40,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:37:40,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:37:40,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:37:40,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:37:40,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:37:40,718 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 41 [2025-01-10 06:37:40,718 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 41 transitions, 118 flow. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) [2025-01-10 06:37:40,718 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:37:40,718 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 41 [2025-01-10 06:37:40,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:37:41,103 INFO L124 PetriNetUnfolderBase]: 1713/2575 cut-off events. [2025-01-10 06:37:41,103 INFO L125 PetriNetUnfolderBase]: For 235/235 co-relation queries the response was YES. [2025-01-10 06:37:41,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6020 conditions, 2575 events. 1713/2575 cut-off events. For 235/235 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 14036 event pairs, 535 based on Foata normal form. 0/2188 useless extension candidates. Maximal degree in co-relation 6009. Up to 2312 conditions per place. [2025-01-10 06:37:41,119 INFO L140 encePairwiseOnDemand]: 34/41 looper letters, 36 selfloop transitions, 4 changer transitions 0/51 dead transitions. [2025-01-10 06:37:41,119 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 51 transitions, 216 flow [2025-01-10 06:37:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:37:41,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-01-10 06:37:41,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 99 transitions. [2025-01-10 06:37:41,122 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6036585365853658 [2025-01-10 06:37:41,122 INFO L175 Difference]: Start difference. First operand has 48 places, 41 transitions, 118 flow. Second operand 4 states and 99 transitions. [2025-01-10 06:37:41,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 51 transitions, 216 flow [2025-01-10 06:37:41,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 51 transitions, 212 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-01-10 06:37:41,124 INFO L231 Difference]: Finished difference. Result has 47 places, 38 transitions, 110 flow [2025-01-10 06:37:41,125 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=110, PETRI_PLACES=47, PETRI_TRANSITIONS=38} [2025-01-10 06:37:41,125 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, -1 predicate places. [2025-01-10 06:37:41,125 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 38 transitions, 110 flow [2025-01-10 06:37:41,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) [2025-01-10 06:37:41,126 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:37:41,126 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:37:41,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 06:37:41,126 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-01-10 06:37:41,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:37:41,127 INFO L85 PathProgramCache]: Analyzing trace with hash -471020608, now seen corresponding path program 1 times [2025-01-10 06:37:41,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:37:41,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081264340] [2025-01-10 06:37:41,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:37:41,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:37:41,141 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 06:37:41,165 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 06:37:41,165 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:37:41,165 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:37:41,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:37:41,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:37:41,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081264340] [2025-01-10 06:37:41,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081264340] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:37:41,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:37:41,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:37:41,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122589221] [2025-01-10 06:37:41,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:37:41,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:37:41,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:37:41,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:37:41,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:37:41,296 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 41 [2025-01-10 06:37:41,297 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 38 transitions, 110 flow. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) [2025-01-10 06:37:41,297 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:37:41,297 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 41 [2025-01-10 06:37:41,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:37:41,555 INFO L124 PetriNetUnfolderBase]: 1225/1875 cut-off events. [2025-01-10 06:37:41,556 INFO L125 PetriNetUnfolderBase]: For 430/430 co-relation queries the response was YES. [2025-01-10 06:37:41,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4293 conditions, 1875 events. 1225/1875 cut-off events. For 430/430 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 9952 event pairs, 185 based on Foata normal form. 0/1746 useless extension candidates. Maximal degree in co-relation 4281. Up to 985 conditions per place. [2025-01-10 06:37:41,563 INFO L140 encePairwiseOnDemand]: 34/41 looper letters, 47 selfloop transitions, 7 changer transitions 3/68 dead transitions. [2025-01-10 06:37:41,563 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 68 transitions, 296 flow [2025-01-10 06:37:41,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:37:41,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-01-10 06:37:41,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 116 transitions. [2025-01-10 06:37:41,567 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7073170731707317 [2025-01-10 06:37:41,567 INFO L175 Difference]: Start difference. First operand has 47 places, 38 transitions, 110 flow. Second operand 4 states and 116 transitions. [2025-01-10 06:37:41,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 68 transitions, 296 flow [2025-01-10 06:37:41,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 68 transitions, 291 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-10 06:37:41,569 INFO L231 Difference]: Finished difference. Result has 49 places, 38 transitions, 131 flow [2025-01-10 06:37:41,569 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=131, PETRI_PLACES=49, PETRI_TRANSITIONS=38} [2025-01-10 06:37:41,569 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, 1 predicate places. [2025-01-10 06:37:41,569 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 38 transitions, 131 flow [2025-01-10 06:37:41,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) [2025-01-10 06:37:41,570 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:37:41,570 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:37:41,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 06:37:41,570 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-01-10 06:37:41,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:37:41,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1747195391, now seen corresponding path program 1 times [2025-01-10 06:37:41,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:37:41,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075383150] [2025-01-10 06:37:41,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:37:41,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:37:41,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-10 06:37:41,590 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-10 06:37:41,590 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:37:41,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:37:41,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:37:41,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:37:41,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075383150] [2025-01-10 06:37:41,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075383150] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:37:41,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:37:41,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:37:41,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500729724] [2025-01-10 06:37:41,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:37:41,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 06:37:41,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:37:41,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 06:37:41,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:37:41,689 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 41 [2025-01-10 06:37:41,690 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 38 transitions, 131 flow. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 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) [2025-01-10 06:37:41,690 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:37:41,690 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 41 [2025-01-10 06:37:41,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:37:41,914 INFO L124 PetriNetUnfolderBase]: 957/1487 cut-off events. [2025-01-10 06:37:41,914 INFO L125 PetriNetUnfolderBase]: For 993/993 co-relation queries the response was YES. [2025-01-10 06:37:41,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3834 conditions, 1487 events. 957/1487 cut-off events. For 993/993 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 8346 event pairs, 125 based on Foata normal form. 72/1502 useless extension candidates. Maximal degree in co-relation 3821. Up to 628 conditions per place. [2025-01-10 06:37:41,918 INFO L140 encePairwiseOnDemand]: 34/41 looper letters, 0 selfloop transitions, 0 changer transitions 62/62 dead transitions. [2025-01-10 06:37:41,918 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 62 transitions, 275 flow [2025-01-10 06:37:41,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 06:37:41,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-01-10 06:37:41,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 124 transitions. [2025-01-10 06:37:41,921 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6048780487804878 [2025-01-10 06:37:41,921 INFO L175 Difference]: Start difference. First operand has 49 places, 38 transitions, 131 flow. Second operand 5 states and 124 transitions. [2025-01-10 06:37:41,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 62 transitions, 275 flow [2025-01-10 06:37:41,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 62 transitions, 251 flow, removed 3 selfloop flow, removed 4 redundant places. [2025-01-10 06:37:41,925 INFO L231 Difference]: Finished difference. Result has 46 places, 0 transitions, 0 flow [2025-01-10 06:37:41,925 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=46, PETRI_TRANSITIONS=0} [2025-01-10 06:37:41,925 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, -2 predicate places. [2025-01-10 06:37:41,926 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 0 transitions, 0 flow [2025-01-10 06:37:41,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 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) [2025-01-10 06:37:41,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2025-01-10 06:37:41,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2025-01-10 06:37:41,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2025-01-10 06:37:41,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2025-01-10 06:37:41,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2025-01-10 06:37:41,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2025-01-10 06:37:41,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2025-01-10 06:37:41,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2025-01-10 06:37:41,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2025-01-10 06:37:41,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2025-01-10 06:37:41,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2025-01-10 06:37:41,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2025-01-10 06:37:41,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2025-01-10 06:37:41,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2025-01-10 06:37:41,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2025-01-10 06:37:41,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 06:37:41,931 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-01-10 06:37:41,935 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-10 06:37:41,935 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-10 06:37:41,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:37:41 BasicIcfg [2025-01-10 06:37:41,941 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-10 06:37:41,942 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 06:37:41,942 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 06:37:41,943 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 06:37:41,944 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:37:39" (3/4) ... [2025-01-10 06:37:41,945 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-10 06:37:41,947 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2025-01-10 06:37:41,947 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2025-01-10 06:37:41,947 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2025-01-10 06:37:41,952 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 90 nodes and edges [2025-01-10 06:37:41,952 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2025-01-10 06:37:41,952 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-01-10 06:37:41,954 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-01-10 06:37:42,015 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 06:37:42,016 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-10 06:37:42,016 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 06:37:42,017 INFO L158 Benchmark]: Toolchain (without parser) took 3644.54ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 103.7MB in the beginning and 300.9MB in the end (delta: -197.2MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2025-01-10 06:37:42,018 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 06:37:42,018 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.97ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 81.0MB in the end (delta: 22.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-10 06:37:42,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.02ms. Allocated memory is still 142.6MB. Free memory was 81.0MB in the beginning and 78.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 06:37:42,019 INFO L158 Benchmark]: Boogie Preprocessor took 32.88ms. Allocated memory is still 142.6MB. Free memory was 78.1MB in the beginning and 75.5MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 06:37:42,021 INFO L158 Benchmark]: RCFGBuilder took 588.78ms. Allocated memory is still 142.6MB. Free memory was 75.5MB in the beginning and 91.0MB in the end (delta: -15.5MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2025-01-10 06:37:42,022 INFO L158 Benchmark]: TraceAbstraction took 2437.63ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 90.3MB in the beginning and 309.4MB in the end (delta: -219.1MB). Peak memory consumption was 198.0MB. Max. memory is 16.1GB. [2025-01-10 06:37:42,022 INFO L158 Benchmark]: Witness Printer took 73.89ms. Allocated memory is still 360.7MB. Free memory was 309.4MB in the beginning and 300.9MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 06:37:42,023 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 469.97ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 81.0MB in the end (delta: 22.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.02ms. Allocated memory is still 142.6MB. Free memory was 81.0MB in the beginning and 78.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.88ms. Allocated memory is still 142.6MB. Free memory was 78.1MB in the beginning and 75.5MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 588.78ms. Allocated memory is still 142.6MB. Free memory was 75.5MB in the beginning and 91.0MB in the end (delta: -15.5MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2437.63ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 90.3MB in the beginning and 309.4MB in the end (delta: -219.1MB). Peak memory consumption was 198.0MB. Max. memory is 16.1GB. * Witness Printer took 73.89ms. Allocated memory is still 360.7MB. Free memory was 309.4MB in the beginning and 300.9MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 760]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 760]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 789]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 789]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 815]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 815]: 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 7 procedures, 74 locations, 15 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: 2.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 122 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 114 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 266 IncrementalHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 0 mSDtfsCounter, 266 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=3, InterpolantAutomatonStates: 16, 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, 0.5s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-10 06:37:42,039 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