./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/safe004_power.opt_pso.opt_rmo.opt.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/safe004_power.opt_pso.opt_rmo.opt.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 ad7a565ad4ebe037ce541fa36cdf85746d072cc2b5132ab8ae2e3025ff70fea5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 06:38:51,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 06:38:51,575 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 06:38:51,586 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 06:38:51,587 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 06:38:51,619 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 06:38:51,619 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 06:38:51,619 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 06:38:51,620 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 06:38:51,620 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 06:38:51,620 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 06:38:51,620 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 06:38:51,620 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 06:38:51,620 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 06:38:51,622 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 06:38:51,622 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 06:38:51,623 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 06:38:51,623 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 06:38:51,623 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 06:38:51,623 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 06:38:51,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 06:38:51,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 06:38:51,623 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 06:38:51,624 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 06:38:51,624 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 06:38:51,624 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 06:38:51,624 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 06:38:51,624 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 06:38:51,624 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 06:38:51,624 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 06:38:51,625 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 06:38:51,625 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:38:51,625 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:38:51,625 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:38:51,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:38:51,625 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 06:38:51,625 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:38:51,625 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:38:51,626 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:38:51,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:38:51,626 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 06:38:51,626 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 06:38:51,626 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 06:38:51,626 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 06:38:51,627 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 06:38:51,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 06:38:51,627 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 06:38:51,627 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 06:38:51,627 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 06:38:51,627 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 06:38:51,627 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 -> ad7a565ad4ebe037ce541fa36cdf85746d072cc2b5132ab8ae2e3025ff70fea5 [2025-01-10 06:38:51,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 06:38:51,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 06:38:51,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 06:38:51,951 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 06:38:51,951 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 06:38:51,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe004_power.opt_pso.opt_rmo.opt.i [2025-01-10 06:38:53,350 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/975431f0e/4cf6aceead244a6081ae8083c989133f/FLAG10de4d0fa [2025-01-10 06:38:53,684 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 06:38:53,685 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe004_power.opt_pso.opt_rmo.opt.i [2025-01-10 06:38:53,712 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/975431f0e/4cf6aceead244a6081ae8083c989133f/FLAG10de4d0fa [2025-01-10 06:38:53,730 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/975431f0e/4cf6aceead244a6081ae8083c989133f [2025-01-10 06:38:53,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 06:38:53,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 06:38:53,736 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 06:38:53,737 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 06:38:53,740 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 06:38:53,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:38:53" (1/1) ... [2025-01-10 06:38:53,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7885d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:38:53, skipping insertion in model container [2025-01-10 06:38:53,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:38:53" (1/1) ... [2025-01-10 06:38:53,781 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 06:38:54,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:38:54,105 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 06:38:54,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:38:54,199 INFO L204 MainTranslator]: Completed translation [2025-01-10 06:38:54,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:38:54 WrapperNode [2025-01-10 06:38:54,200 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 06:38:54,201 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 06:38:54,201 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 06:38:54,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 06:38:54,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:38:54" (1/1) ... [2025-01-10 06:38:54,225 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:38:54" (1/1) ... [2025-01-10 06:38:54,253 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 139 [2025-01-10 06:38:54,254 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 06:38:54,254 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 06:38:54,254 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 06:38:54,254 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 06:38:54,263 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:38:54" (1/1) ... [2025-01-10 06:38:54,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:38:54" (1/1) ... [2025-01-10 06:38:54,272 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:38:54" (1/1) ... [2025-01-10 06:38:54,291 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 06:38:54,291 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:38:54" (1/1) ... [2025-01-10 06:38:54,291 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:38:54" (1/1) ... [2025-01-10 06:38:54,303 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:38:54" (1/1) ... [2025-01-10 06:38:54,304 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:38:54" (1/1) ... [2025-01-10 06:38:54,306 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:38:54" (1/1) ... [2025-01-10 06:38:54,311 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:38:54" (1/1) ... [2025-01-10 06:38:54,312 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:38:54" (1/1) ... [2025-01-10 06:38:54,319 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 06:38:54,320 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 06:38:54,320 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 06:38:54,320 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 06:38:54,321 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:38:54" (1/1) ... [2025-01-10 06:38:54,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:38:54,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:38:54,354 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 06:38:54,357 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 06:38:54,379 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-10 06:38:54,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 06:38:54,379 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-01-10 06:38:54,379 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-01-10 06:38:54,380 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-01-10 06:38:54,380 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-01-10 06:38:54,380 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-01-10 06:38:54,380 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-01-10 06:38:54,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 06:38:54,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-10 06:38:54,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 06:38:54,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 06:38:54,382 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 06:38:54,521 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 06:38:54,524 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 06:38:54,822 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-10 06:38:54,822 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 06:38:55,080 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 06:38:55,081 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 06:38:55,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:38:55 BoogieIcfgContainer [2025-01-10 06:38:55,082 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 06:38:55,084 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 06:38:55,084 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 06:38:55,089 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 06:38:55,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:38:53" (1/3) ... [2025-01-10 06:38:55,090 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46078eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:38:55, skipping insertion in model container [2025-01-10 06:38:55,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:38:54" (2/3) ... [2025-01-10 06:38:55,090 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46078eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:38:55, skipping insertion in model container [2025-01-10 06:38:55,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:38:55" (3/3) ... [2025-01-10 06:38:55,093 INFO L128 eAbstractionObserver]: Analyzing ICFG safe004_power.opt_pso.opt_rmo.opt.i [2025-01-10 06:38:55,107 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 06:38:55,109 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe004_power.opt_pso.opt_rmo.opt.i that has 4 procedures, 40 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2025-01-10 06:38:55,109 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-10 06:38:55,163 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-01-10 06:38:55,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 49 places, 39 transitions, 90 flow [2025-01-10 06:38:55,228 INFO L124 PetriNetUnfolderBase]: 0/36 cut-off events. [2025-01-10 06:38:55,230 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-10 06:38:55,237 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 36 events. 0/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 90 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2025-01-10 06:38:55,238 INFO L82 GeneralOperation]: Start removeDead. Operand has 49 places, 39 transitions, 90 flow [2025-01-10 06:38:55,242 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 46 places, 36 transitions, 81 flow [2025-01-10 06:38:55,250 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 06:38:55,269 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;@3c37becd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 06:38:55,269 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2025-01-10 06:38:55,278 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-10 06:38:55,279 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2025-01-10 06:38:55,280 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-10 06:38:55,280 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:38:55,280 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:38:55,281 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 06:38:55,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:38:55,288 INFO L85 PathProgramCache]: Analyzing trace with hash -202122941, now seen corresponding path program 1 times [2025-01-10 06:38:55,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:38:55,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121849649] [2025-01-10 06:38:55,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:38:55,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:38:55,373 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 06:38:55,420 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 06:38:55,421 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:38:55,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:38:55,613 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 06:38:55,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:38:55,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121849649] [2025-01-10 06:38:55,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121849649] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:38:55,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:38:55,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-01-10 06:38:55,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414158189] [2025-01-10 06:38:55,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:38:55,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:38:55,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:38:55,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:38:55,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:38:55,655 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39 [2025-01-10 06:38:55,658 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 36 transitions, 81 flow. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 06:38:55,659 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:38:55,660 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39 [2025-01-10 06:38:55,660 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:38:56,546 INFO L124 PetriNetUnfolderBase]: 2501/3707 cut-off events. [2025-01-10 06:38:56,547 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2025-01-10 06:38:56,562 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7448 conditions, 3707 events. 2501/3707 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 20874 event pairs, 893 based on Foata normal form. 0/2887 useless extension candidates. Maximal degree in co-relation 7437. Up to 3457 conditions per place. [2025-01-10 06:38:56,593 INFO L140 encePairwiseOnDemand]: 29/39 looper letters, 39 selfloop transitions, 4 changer transitions 0/52 dead transitions. [2025-01-10 06:38:56,594 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 52 transitions, 205 flow [2025-01-10 06:38:56,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:38:56,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-10 06:38:56,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 85 transitions. [2025-01-10 06:38:56,607 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7264957264957265 [2025-01-10 06:38:56,609 INFO L175 Difference]: Start difference. First operand has 46 places, 36 transitions, 81 flow. Second operand 3 states and 85 transitions. [2025-01-10 06:38:56,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 52 transitions, 205 flow [2025-01-10 06:38:56,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 52 transitions, 200 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-01-10 06:38:56,621 INFO L231 Difference]: Finished difference. Result has 46 places, 39 transitions, 114 flow [2025-01-10 06:38:56,624 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=46, PETRI_TRANSITIONS=39} [2025-01-10 06:38:56,628 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 0 predicate places. [2025-01-10 06:38:56,630 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 39 transitions, 114 flow [2025-01-10 06:38:56,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 06:38:56,631 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:38:56,631 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:38:56,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 06:38:56,631 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 06:38:56,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:38:56,633 INFO L85 PathProgramCache]: Analyzing trace with hash 417584939, now seen corresponding path program 1 times [2025-01-10 06:38:56,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:38:56,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541991367] [2025-01-10 06:38:56,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:38:56,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:38:56,661 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 06:38:56,692 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 06:38:56,693 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:38:56,693 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:38:56,932 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 06:38:56,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:38:56,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541991367] [2025-01-10 06:38:56,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541991367] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:38:56,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:38:56,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:38:56,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230443781] [2025-01-10 06:38:56,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:38:56,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:38:56,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:38:56,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:38:56,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:38:56,946 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39 [2025-01-10 06:38:56,947 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 39 transitions, 114 flow. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 06:38:56,947 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:38:56,947 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39 [2025-01-10 06:38:56,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:38:57,449 INFO L124 PetriNetUnfolderBase]: 1713/2563 cut-off events. [2025-01-10 06:38:57,450 INFO L125 PetriNetUnfolderBase]: For 223/223 co-relation queries the response was YES. [2025-01-10 06:38:57,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6008 conditions, 2563 events. 1713/2563 cut-off events. For 223/223 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 13936 event pairs, 535 based on Foata normal form. 0/2202 useless extension candidates. Maximal degree in co-relation 5997. Up to 2312 conditions per place. [2025-01-10 06:38:57,469 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 36 selfloop transitions, 4 changer transitions 0/49 dead transitions. [2025-01-10 06:38:57,470 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 49 transitions, 212 flow [2025-01-10 06:38:57,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:38:57,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-01-10 06:38:57,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 91 transitions. [2025-01-10 06:38:57,472 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334 [2025-01-10 06:38:57,472 INFO L175 Difference]: Start difference. First operand has 46 places, 39 transitions, 114 flow. Second operand 4 states and 91 transitions. [2025-01-10 06:38:57,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 49 transitions, 212 flow [2025-01-10 06:38:57,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 49 transitions, 208 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-01-10 06:38:57,474 INFO L231 Difference]: Finished difference. Result has 45 places, 36 transitions, 106 flow [2025-01-10 06:38:57,474 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=106, PETRI_PLACES=45, PETRI_TRANSITIONS=36} [2025-01-10 06:38:57,475 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, -1 predicate places. [2025-01-10 06:38:57,475 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 106 flow [2025-01-10 06:38:57,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 06:38:57,476 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:38:57,476 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:38:57,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 06:38:57,476 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 06:38:57,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:38:57,477 INFO L85 PathProgramCache]: Analyzing trace with hash 417584940, now seen corresponding path program 1 times [2025-01-10 06:38:57,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:38:57,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938336064] [2025-01-10 06:38:57,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:38:57,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:38:57,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 06:38:57,512 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 06:38:57,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:38:57,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:38:57,620 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 06:38:57,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:38:57,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938336064] [2025-01-10 06:38:57,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938336064] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:38:57,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:38:57,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:38:57,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585206791] [2025-01-10 06:38:57,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:38:57,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:38:57,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:38:57,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:38:57,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:38:57,629 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39 [2025-01-10 06:38:57,630 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 36 transitions, 106 flow. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 06:38:57,630 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:38:57,630 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39 [2025-01-10 06:38:57,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:38:57,956 INFO L124 PetriNetUnfolderBase]: 1225/1863 cut-off events. [2025-01-10 06:38:57,957 INFO L125 PetriNetUnfolderBase]: For 430/430 co-relation queries the response was YES. [2025-01-10 06:38:57,960 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4281 conditions, 1863 events. 1225/1863 cut-off events. For 430/430 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 9804 event pairs, 185 based on Foata normal form. 0/1756 useless extension candidates. Maximal degree in co-relation 4269. Up to 985 conditions per place. [2025-01-10 06:38:57,967 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 47 selfloop transitions, 7 changer transitions 3/66 dead transitions. [2025-01-10 06:38:57,968 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 66 transitions, 292 flow [2025-01-10 06:38:57,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:38:57,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-01-10 06:38:57,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 108 transitions. [2025-01-10 06:38:57,969 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6923076923076923 [2025-01-10 06:38:57,969 INFO L175 Difference]: Start difference. First operand has 45 places, 36 transitions, 106 flow. Second operand 4 states and 108 transitions. [2025-01-10 06:38:57,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 66 transitions, 292 flow [2025-01-10 06:38:57,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 66 transitions, 287 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-10 06:38:57,972 INFO L231 Difference]: Finished difference. Result has 47 places, 36 transitions, 127 flow [2025-01-10 06:38:57,972 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=127, PETRI_PLACES=47, PETRI_TRANSITIONS=36} [2025-01-10 06:38:57,973 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 1 predicate places. [2025-01-10 06:38:57,974 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 36 transitions, 127 flow [2025-01-10 06:38:57,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 06:38:57,974 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:38:57,974 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:38:57,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 06:38:57,974 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 06:38:57,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:38:57,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1541496468, now seen corresponding path program 1 times [2025-01-10 06:38:57,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:38:57,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71886348] [2025-01-10 06:38:57,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:38:57,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:38:57,989 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-10 06:38:58,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-10 06:38:58,004 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:38:58,004 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:38:58,141 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 06:38:58,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:38:58,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71886348] [2025-01-10 06:38:58,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71886348] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:38:58,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:38:58,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:38:58,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346665108] [2025-01-10 06:38:58,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:38:58,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 06:38:58,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:38:58,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 06:38:58,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:38:58,148 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39 [2025-01-10 06:38:58,149 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 36 transitions, 127 flow. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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 06:38:58,149 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:38:58,149 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39 [2025-01-10 06:38:58,149 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:38:58,472 INFO L124 PetriNetUnfolderBase]: 957/1475 cut-off events. [2025-01-10 06:38:58,472 INFO L125 PetriNetUnfolderBase]: For 993/993 co-relation queries the response was YES. [2025-01-10 06:38:58,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3822 conditions, 1475 events. 957/1475 cut-off events. For 993/993 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 8212 event pairs, 125 based on Foata normal form. 72/1512 useless extension candidates. Maximal degree in co-relation 3809. Up to 628 conditions per place. [2025-01-10 06:38:58,476 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 0 selfloop transitions, 0 changer transitions 60/60 dead transitions. [2025-01-10 06:38:58,477 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 60 transitions, 271 flow [2025-01-10 06:38:58,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 06:38:58,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-01-10 06:38:58,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 114 transitions. [2025-01-10 06:38:58,478 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5846153846153846 [2025-01-10 06:38:58,478 INFO L175 Difference]: Start difference. First operand has 47 places, 36 transitions, 127 flow. Second operand 5 states and 114 transitions. [2025-01-10 06:38:58,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 60 transitions, 271 flow [2025-01-10 06:38:58,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 60 transitions, 247 flow, removed 3 selfloop flow, removed 4 redundant places. [2025-01-10 06:38:58,480 INFO L231 Difference]: Finished difference. Result has 44 places, 0 transitions, 0 flow [2025-01-10 06:38:58,480 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=44, PETRI_TRANSITIONS=0} [2025-01-10 06:38:58,481 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, -2 predicate places. [2025-01-10 06:38:58,481 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 0 transitions, 0 flow [2025-01-10 06:38:58,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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 06:38:58,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2025-01-10 06:38:58,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2025-01-10 06:38:58,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2025-01-10 06:38:58,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2025-01-10 06:38:58,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2025-01-10 06:38:58,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2025-01-10 06:38:58,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2025-01-10 06:38:58,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2025-01-10 06:38:58,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2025-01-10 06:38:58,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2025-01-10 06:38:58,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2025-01-10 06:38:58,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2025-01-10 06:38:58,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2025-01-10 06:38:58,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2025-01-10 06:38:58,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2025-01-10 06:38:58,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 06:38:58,485 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-01-10 06:38:58,489 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-10 06:38:58,489 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-10 06:38:58,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:38:58 BasicIcfg [2025-01-10 06:38:58,493 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-10 06:38:58,494 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 06:38:58,494 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 06:38:58,494 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 06:38:58,495 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:38:55" (3/4) ... [2025-01-10 06:38:58,496 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-10 06:38:58,498 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2025-01-10 06:38:58,498 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2025-01-10 06:38:58,498 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2025-01-10 06:38:58,502 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 88 nodes and edges [2025-01-10 06:38:58,503 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2025-01-10 06:38:58,503 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-01-10 06:38:58,503 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-01-10 06:38:58,576 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 06:38:58,576 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-10 06:38:58,576 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 06:38:58,577 INFO L158 Benchmark]: Toolchain (without parser) took 4843.14ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 110.3MB in the beginning and 231.4MB in the end (delta: -121.1MB). Peak memory consumption was 115.7MB. Max. memory is 16.1GB. [2025-01-10 06:38:58,577 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 201.3MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 06:38:58,577 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.41ms. Allocated memory is still 142.6MB. Free memory was 110.3MB in the beginning and 87.1MB in the end (delta: 23.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-10 06:38:58,577 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.84ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 84.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 06:38:58,577 INFO L158 Benchmark]: Boogie Preprocessor took 64.91ms. Allocated memory is still 142.6MB. Free memory was 84.8MB in the beginning and 81.6MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 06:38:58,578 INFO L158 Benchmark]: RCFGBuilder took 762.04ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 95.7MB in the end (delta: -14.1MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2025-01-10 06:38:58,578 INFO L158 Benchmark]: TraceAbstraction took 3409.34ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 94.9MB in the beginning and 237.5MB in the end (delta: -142.6MB). Peak memory consumption was 129.1MB. Max. memory is 16.1GB. [2025-01-10 06:38:58,578 INFO L158 Benchmark]: Witness Printer took 82.15ms. Allocated memory is still 377.5MB. Free memory was 237.5MB in the beginning and 231.4MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 06:38:58,579 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 201.3MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.41ms. Allocated memory is still 142.6MB. Free memory was 110.3MB in the beginning and 87.1MB in the end (delta: 23.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.84ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 84.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.91ms. Allocated memory is still 142.6MB. Free memory was 84.8MB in the beginning and 81.6MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 762.04ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 95.7MB in the end (delta: -14.1MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. * TraceAbstraction took 3409.34ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 94.9MB in the beginning and 237.5MB in the end (delta: -142.6MB). Peak memory consumption was 129.1MB. Max. memory is 16.1GB. * Witness Printer took 82.15ms. Allocated memory is still 377.5MB. Free memory was 237.5MB in the beginning and 231.4MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 754]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 754]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 783]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 783]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 803]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 803]: 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, 70 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: 3.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 143 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 135 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 268 IncrementalHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 2 mSDtfsCounter, 268 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=127occurred 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, 0.7s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 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 06:38:58,591 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