./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/mix011_power.oepc_pso.oepc_rmo.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/mix011_power.oepc_pso.oepc_rmo.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 833fe1bfba6e9465d0762b8b4b281d00d9e54d53b8918b133a54714c1d863b1b --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 06:36:26,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 06:36:26,310 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 06:36:26,316 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 06:36:26,316 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 06:36:26,330 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 06:36:26,330 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 06:36:26,331 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 06:36:26,331 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 06:36:26,331 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 06:36:26,331 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 06:36:26,331 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 06:36:26,331 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 06:36:26,331 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 06:36:26,332 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 06:36:26,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 06:36:26,332 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 06:36:26,332 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 06:36:26,332 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 06:36:26,332 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 06:36:26,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 06:36:26,332 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 06:36:26,332 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 06:36:26,332 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 06:36:26,332 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 06:36:26,332 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 06:36:26,333 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 06:36:26,333 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 06:36:26,333 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 06:36:26,333 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 06:36:26,333 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 06:36:26,333 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:36:26,333 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:36:26,333 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:36:26,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:36:26,333 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 06:36:26,333 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:36:26,334 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:36:26,334 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:36:26,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:36:26,334 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 06:36:26,334 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 06:36:26,334 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 06:36:26,334 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 06:36:26,334 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 06:36:26,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 06:36:26,334 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 06:36:26,334 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 06:36:26,334 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 06:36:26,334 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 06:36:26,334 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 -> 833fe1bfba6e9465d0762b8b4b281d00d9e54d53b8918b133a54714c1d863b1b [2025-01-10 06:36:26,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 06:36:26,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 06:36:26,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 06:36:26,535 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 06:36:26,535 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 06:36:26,536 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix011_power.oepc_pso.oepc_rmo.oepc.i [2025-01-10 06:36:27,622 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/afa3b4ece/d89c037b8d9d4115b5f3f83b1560d157/FLAG97019c181 [2025-01-10 06:36:27,874 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 06:36:27,875 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix011_power.oepc_pso.oepc_rmo.oepc.i [2025-01-10 06:36:27,889 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/afa3b4ece/d89c037b8d9d4115b5f3f83b1560d157/FLAG97019c181 [2025-01-10 06:36:28,190 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/afa3b4ece/d89c037b8d9d4115b5f3f83b1560d157 [2025-01-10 06:36:28,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 06:36:28,192 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 06:36:28,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 06:36:28,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 06:36:28,196 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 06:36:28,196 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:36:28" (1/1) ... [2025-01-10 06:36:28,197 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53338b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:28, skipping insertion in model container [2025-01-10 06:36:28,197 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:36:28" (1/1) ... [2025-01-10 06:36:28,223 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 06:36:28,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:36:28,515 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 06:36:28,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:36:28,588 INFO L204 MainTranslator]: Completed translation [2025-01-10 06:36:28,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:28 WrapperNode [2025-01-10 06:36:28,589 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 06:36:28,590 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 06:36:28,590 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 06:36:28,590 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 06:36:28,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:28" (1/1) ... [2025-01-10 06:36:28,605 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:28" (1/1) ... [2025-01-10 06:36:28,618 INFO L138 Inliner]: procedures = 175, calls = 49, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 124 [2025-01-10 06:36:28,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 06:36:28,618 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 06:36:28,619 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 06:36:28,619 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 06:36:28,624 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:28" (1/1) ... [2025-01-10 06:36:28,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:28" (1/1) ... [2025-01-10 06:36:28,626 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:28" (1/1) ... [2025-01-10 06:36:28,638 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 06:36:28,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:28" (1/1) ... [2025-01-10 06:36:28,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:28" (1/1) ... [2025-01-10 06:36:28,643 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:28" (1/1) ... [2025-01-10 06:36:28,647 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:28" (1/1) ... [2025-01-10 06:36:28,648 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:28" (1/1) ... [2025-01-10 06:36:28,649 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:28" (1/1) ... [2025-01-10 06:36:28,649 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:28" (1/1) ... [2025-01-10 06:36:28,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 06:36:28,653 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 06:36:28,653 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 06:36:28,653 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 06:36:28,655 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:28" (1/1) ... [2025-01-10 06:36:28,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:36:28,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:36:28,677 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 06:36:28,679 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 06:36:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-10 06:36:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 06:36:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-01-10 06:36:28,693 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-01-10 06:36:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-01-10 06:36:28,693 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-01-10 06:36:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-01-10 06:36:28,693 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-01-10 06:36:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 06:36:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-10 06:36:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 06:36:28,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 06:36:28,694 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 06:36:28,787 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 06:36:28,789 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 06:36:29,052 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-10 06:36:29,053 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 06:36:29,229 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 06:36:29,230 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 06:36:29,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:36:29 BoogieIcfgContainer [2025-01-10 06:36:29,230 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 06:36:29,233 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 06:36:29,233 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 06:36:29,237 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 06:36:29,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:36:28" (1/3) ... [2025-01-10 06:36:29,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32df33b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:36:29, skipping insertion in model container [2025-01-10 06:36:29,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:28" (2/3) ... [2025-01-10 06:36:29,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32df33b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:36:29, skipping insertion in model container [2025-01-10 06:36:29,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:36:29" (3/3) ... [2025-01-10 06:36:29,239 INFO L128 eAbstractionObserver]: Analyzing ICFG mix011_power.oepc_pso.oepc_rmo.oepc.i [2025-01-10 06:36:29,249 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 06:36:29,251 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix011_power.oepc_pso.oepc_rmo.oepc.i that has 4 procedures, 43 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2025-01-10 06:36:29,252 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-10 06:36:29,295 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-01-10 06:36:29,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 42 transitions, 96 flow [2025-01-10 06:36:29,341 INFO L124 PetriNetUnfolderBase]: 0/39 cut-off events. [2025-01-10 06:36:29,343 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-10 06:36:29,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 39 events. 0/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 92 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2025-01-10 06:36:29,344 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 42 transitions, 96 flow [2025-01-10 06:36:29,347 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 49 places, 39 transitions, 87 flow [2025-01-10 06:36:29,352 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 06:36:29,359 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;@4dc10427, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 06:36:29,359 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2025-01-10 06:36:29,365 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-10 06:36:29,365 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2025-01-10 06:36:29,365 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-10 06:36:29,366 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:36:29,366 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:36:29,366 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 06:36:29,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:36:29,371 INFO L85 PathProgramCache]: Analyzing trace with hash -104659156, now seen corresponding path program 1 times [2025-01-10 06:36:29,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:36:29,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55665] [2025-01-10 06:36:29,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:36:29,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:36:29,435 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 06:36:29,477 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 06:36:29,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:36:29,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:36:29,623 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 06:36:29,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:36:29,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55665] [2025-01-10 06:36:29,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55665] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:36:29,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:36:29,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-01-10 06:36:29,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122636958] [2025-01-10 06:36:29,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:36:29,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:36:29,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:36:29,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:36:29,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:36:29,653 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 42 [2025-01-10 06:36:29,655 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 39 transitions, 87 flow. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 06:36:29,655 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:36:29,655 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 42 [2025-01-10 06:36:29,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:36:30,138 INFO L124 PetriNetUnfolderBase]: 2398/3584 cut-off events. [2025-01-10 06:36:30,139 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2025-01-10 06:36:30,147 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7182 conditions, 3584 events. 2398/3584 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 238. Compared 20779 event pairs, 838 based on Foata normal form. 0/2828 useless extension candidates. Maximal degree in co-relation 7171. Up to 3251 conditions per place. [2025-01-10 06:36:30,160 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 39 selfloop transitions, 4 changer transitions 0/55 dead transitions. [2025-01-10 06:36:30,160 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 55 transitions, 211 flow [2025-01-10 06:36:30,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:36:30,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-10 06:36:30,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 94 transitions. [2025-01-10 06:36:30,168 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.746031746031746 [2025-01-10 06:36:30,169 INFO L175 Difference]: Start difference. First operand has 49 places, 39 transitions, 87 flow. Second operand 3 states and 94 transitions. [2025-01-10 06:36:30,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 55 transitions, 211 flow [2025-01-10 06:36:30,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 55 transitions, 206 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-01-10 06:36:30,174 INFO L231 Difference]: Finished difference. Result has 49 places, 42 transitions, 120 flow [2025-01-10 06:36:30,176 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=120, PETRI_PLACES=49, PETRI_TRANSITIONS=42} [2025-01-10 06:36:30,180 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 0 predicate places. [2025-01-10 06:36:30,180 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 42 transitions, 120 flow [2025-01-10 06:36:30,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 06:36:30,180 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:36:30,180 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:36:30,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 06:36:30,181 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 06:36:30,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:36:30,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1615160977, now seen corresponding path program 1 times [2025-01-10 06:36:30,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:36:30,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505723731] [2025-01-10 06:36:30,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:36:30,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:36:30,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 06:36:30,217 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 06:36:30,217 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:36:30,217 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:36:30,332 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 06:36:30,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:36:30,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505723731] [2025-01-10 06:36:30,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505723731] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:36:30,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:36:30,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:36:30,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513271691] [2025-01-10 06:36:30,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:36:30,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:36:30,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:36:30,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:36:30,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:36:30,338 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 42 [2025-01-10 06:36:30,338 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 42 transitions, 120 flow. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 06:36:30,339 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:36:30,339 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 42 [2025-01-10 06:36:30,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:36:30,693 INFO L124 PetriNetUnfolderBase]: 1703/2571 cut-off events. [2025-01-10 06:36:30,695 INFO L125 PetriNetUnfolderBase]: For 197/197 co-relation queries the response was YES. [2025-01-10 06:36:30,701 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5958 conditions, 2571 events. 1703/2571 cut-off events. For 197/197 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 14461 event pairs, 529 based on Foata normal form. 0/2228 useless extension candidates. Maximal degree in co-relation 5947. Up to 2237 conditions per place. [2025-01-10 06:36:30,712 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 36 selfloop transitions, 4 changer transitions 0/52 dead transitions. [2025-01-10 06:36:30,713 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 52 transitions, 218 flow [2025-01-10 06:36:30,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:36:30,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-01-10 06:36:30,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 103 transitions. [2025-01-10 06:36:30,715 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6130952380952381 [2025-01-10 06:36:30,715 INFO L175 Difference]: Start difference. First operand has 49 places, 42 transitions, 120 flow. Second operand 4 states and 103 transitions. [2025-01-10 06:36:30,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 52 transitions, 218 flow [2025-01-10 06:36:30,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 52 transitions, 214 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-01-10 06:36:30,718 INFO L231 Difference]: Finished difference. Result has 48 places, 39 transitions, 112 flow [2025-01-10 06:36:30,718 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=112, PETRI_PLACES=48, PETRI_TRANSITIONS=39} [2025-01-10 06:36:30,719 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, -1 predicate places. [2025-01-10 06:36:30,719 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 39 transitions, 112 flow [2025-01-10 06:36:30,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 06:36:30,719 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:36:30,719 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:36:30,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 06:36:30,719 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 06:36:30,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:36:30,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1615160978, now seen corresponding path program 1 times [2025-01-10 06:36:30,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:36:30,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353049550] [2025-01-10 06:36:30,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:36:30,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:36:30,732 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 06:36:30,748 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 06:36:30,748 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:36:30,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:36:30,835 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 06:36:30,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:36:30,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353049550] [2025-01-10 06:36:30,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353049550] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:36:30,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:36:30,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:36:30,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132540494] [2025-01-10 06:36:30,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:36:30,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:36:30,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:36:30,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:36:30,837 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:36:30,839 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 42 [2025-01-10 06:36:30,839 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 39 transitions, 112 flow. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 06:36:30,840 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:36:30,840 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 42 [2025-01-10 06:36:30,840 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:36:31,060 INFO L124 PetriNetUnfolderBase]: 1254/1924 cut-off events. [2025-01-10 06:36:31,061 INFO L125 PetriNetUnfolderBase]: For 397/397 co-relation queries the response was YES. [2025-01-10 06:36:31,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4369 conditions, 1924 events. 1254/1924 cut-off events. For 397/397 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 10524 event pairs, 216 based on Foata normal form. 0/1815 useless extension candidates. Maximal degree in co-relation 4357. Up to 893 conditions per place. [2025-01-10 06:36:31,070 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 47 selfloop transitions, 7 changer transitions 3/69 dead transitions. [2025-01-10 06:36:31,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 69 transitions, 298 flow [2025-01-10 06:36:31,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:36:31,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-01-10 06:36:31,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 120 transitions. [2025-01-10 06:36:31,072 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7142857142857143 [2025-01-10 06:36:31,072 INFO L175 Difference]: Start difference. First operand has 48 places, 39 transitions, 112 flow. Second operand 4 states and 120 transitions. [2025-01-10 06:36:31,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 69 transitions, 298 flow [2025-01-10 06:36:31,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 69 transitions, 293 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-10 06:36:31,073 INFO L231 Difference]: Finished difference. Result has 50 places, 39 transitions, 133 flow [2025-01-10 06:36:31,073 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=133, PETRI_PLACES=50, PETRI_TRANSITIONS=39} [2025-01-10 06:36:31,074 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 1 predicate places. [2025-01-10 06:36:31,074 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 39 transitions, 133 flow [2025-01-10 06:36:31,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 06:36:31,074 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:36:31,074 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:36:31,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 06:36:31,074 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 06:36:31,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:36:31,076 INFO L85 PathProgramCache]: Analyzing trace with hash -196069905, now seen corresponding path program 1 times [2025-01-10 06:36:31,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:36:31,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986345336] [2025-01-10 06:36:31,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:36:31,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:36:31,087 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-10 06:36:31,105 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-10 06:36:31,105 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:36:31,105 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:36:31,252 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 06:36:31,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:36:31,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986345336] [2025-01-10 06:36:31,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986345336] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:36:31,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:36:31,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:36:31,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819740023] [2025-01-10 06:36:31,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:36:31,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 06:36:31,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:36:31,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 06:36:31,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:36:31,259 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 42 [2025-01-10 06:36:31,259 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 39 transitions, 133 flow. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 06:36:31,259 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:36:31,259 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 42 [2025-01-10 06:36:31,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:36:31,456 INFO L124 PetriNetUnfolderBase]: 1034/1604 cut-off events. [2025-01-10 06:36:31,457 INFO L125 PetriNetUnfolderBase]: For 942/942 co-relation queries the response was YES. [2025-01-10 06:36:31,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4063 conditions, 1604 events. 1034/1604 cut-off events. For 942/942 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 9029 event pairs, 166 based on Foata normal form. 60/1615 useless extension candidates. Maximal degree in co-relation 4050. Up to 698 conditions per place. [2025-01-10 06:36:31,461 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 0 selfloop transitions, 0 changer transitions 63/63 dead transitions. [2025-01-10 06:36:31,461 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 63 transitions, 277 flow [2025-01-10 06:36:31,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 06:36:31,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-01-10 06:36:31,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 129 transitions. [2025-01-10 06:36:31,462 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6142857142857143 [2025-01-10 06:36:31,462 INFO L175 Difference]: Start difference. First operand has 50 places, 39 transitions, 133 flow. Second operand 5 states and 129 transitions. [2025-01-10 06:36:31,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 63 transitions, 277 flow [2025-01-10 06:36:31,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 63 transitions, 253 flow, removed 3 selfloop flow, removed 4 redundant places. [2025-01-10 06:36:31,465 INFO L231 Difference]: Finished difference. Result has 47 places, 0 transitions, 0 flow [2025-01-10 06:36:31,465 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=91, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=47, PETRI_TRANSITIONS=0} [2025-01-10 06:36:31,465 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, -2 predicate places. [2025-01-10 06:36:31,466 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 0 transitions, 0 flow [2025-01-10 06:36:31,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 06:36:31,469 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2025-01-10 06:36:31,469 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2025-01-10 06:36:31,469 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2025-01-10 06:36:31,469 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2025-01-10 06:36:31,469 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2025-01-10 06:36:31,469 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2025-01-10 06:36:31,470 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2025-01-10 06:36:31,470 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2025-01-10 06:36:31,470 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2025-01-10 06:36:31,470 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2025-01-10 06:36:31,470 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2025-01-10 06:36:31,470 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2025-01-10 06:36:31,470 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2025-01-10 06:36:31,470 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2025-01-10 06:36:31,470 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2025-01-10 06:36:31,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 06:36:31,470 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-01-10 06:36:31,475 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-10 06:36:31,475 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-10 06:36:31,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:36:31 BasicIcfg [2025-01-10 06:36:31,479 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-10 06:36:31,479 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 06:36:31,479 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 06:36:31,480 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 06:36:31,480 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:36:29" (3/4) ... [2025-01-10 06:36:31,481 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-10 06:36:31,483 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2025-01-10 06:36:31,483 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2025-01-10 06:36:31,483 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2025-01-10 06:36:31,485 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 72 nodes and edges [2025-01-10 06:36:31,486 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2025-01-10 06:36:31,486 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-01-10 06:36:31,486 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-01-10 06:36:31,538 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 06:36:31,538 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-10 06:36:31,538 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 06:36:31,538 INFO L158 Benchmark]: Toolchain (without parser) took 3346.12ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 104.0MB in the beginning and 216.7MB in the end (delta: -112.8MB). Peak memory consumption was 103.5MB. Max. memory is 16.1GB. [2025-01-10 06:36:31,539 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 06:36:31,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.98ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 80.4MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-10 06:36:31,539 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.50ms. Allocated memory is still 142.6MB. Free memory was 80.4MB in the beginning and 78.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 06:36:31,539 INFO L158 Benchmark]: Boogie Preprocessor took 33.74ms. Allocated memory is still 142.6MB. Free memory was 78.3MB in the beginning and 75.3MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 06:36:31,539 INFO L158 Benchmark]: RCFGBuilder took 577.37ms. Allocated memory is still 142.6MB. Free memory was 75.3MB in the beginning and 89.7MB in the end (delta: -14.4MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2025-01-10 06:36:31,539 INFO L158 Benchmark]: TraceAbstraction took 2245.90ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 88.9MB in the beginning and 225.2MB in the end (delta: -136.3MB). Peak memory consumption was 190.0MB. Max. memory is 16.1GB. [2025-01-10 06:36:31,539 INFO L158 Benchmark]: Witness Printer took 58.43ms. Allocated memory is still 360.7MB. Free memory was 225.2MB in the beginning and 216.7MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 06:36:31,540 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 126.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.98ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 80.4MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.50ms. Allocated memory is still 142.6MB. Free memory was 80.4MB in the beginning and 78.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.74ms. Allocated memory is still 142.6MB. Free memory was 78.3MB in the beginning and 75.3MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 577.37ms. Allocated memory is still 142.6MB. Free memory was 75.3MB in the beginning and 89.7MB in the end (delta: -14.4MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2245.90ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 88.9MB in the beginning and 225.2MB in the end (delta: -136.3MB). Peak memory consumption was 190.0MB. Max. memory is 16.1GB. * Witness Printer took 58.43ms. Allocated memory is still 360.7MB. Free memory was 225.2MB in the beginning and 216.7MB 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: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 797]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 797]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 833]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 833]: 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, 76 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: 2.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 132 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 124 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 273 IncrementalHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 1 mSDtfsCounter, 273 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=133occurred 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, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 177 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 06:36:31,552 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