./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.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/goblint-regression/13-privatized_27-multiple-protecting2_true.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 2d0b9c4fc8b0005fb250fdf1ff8e25835b95e676b1936e4f5fe1cf72245ee5f5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 06:44:59,930 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 06:44:59,967 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 06:44:59,971 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 06:44:59,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 06:44:59,987 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 06:44:59,988 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 06:44:59,988 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 06:44:59,988 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 06:44:59,988 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 06:44:59,988 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 06:44:59,988 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 06:44:59,988 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 06:44:59,989 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 06:44:59,989 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 06:44:59,989 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 06:44:59,989 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 06:44:59,989 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 06:44:59,989 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 06:44:59,989 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 06:44:59,989 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 06:44:59,989 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 06:44:59,990 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 06:44:59,990 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 06:44:59,990 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 06:44:59,990 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 06:44:59,990 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 06:44:59,990 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 06:44:59,990 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 06:44:59,990 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 06:44:59,990 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 06:44:59,990 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:44:59,990 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:44:59,991 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:44:59,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:44:59,991 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 06:44:59,991 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:44:59,991 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:44:59,991 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:44:59,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:44:59,991 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 06:44:59,991 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 06:44:59,991 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 06:44:59,991 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 06:44:59,991 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 06:44:59,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 06:44:59,992 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 06:44:59,992 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 06:44:59,992 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 06:44:59,992 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 06:44:59,992 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 -> 2d0b9c4fc8b0005fb250fdf1ff8e25835b95e676b1936e4f5fe1cf72245ee5f5 [2025-01-10 06:45:00,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 06:45:00,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 06:45:00,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 06:45:00,290 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 06:45:00,291 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 06:45:00,291 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2025-01-10 06:45:01,568 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/da7172a1b/b2e079ccc9a84c40ae4f0e12ca519469/FLAG73b3042d1 [2025-01-10 06:45:01,883 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 06:45:01,883 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2025-01-10 06:45:01,891 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/da7172a1b/b2e079ccc9a84c40ae4f0e12ca519469/FLAG73b3042d1 [2025-01-10 06:45:02,136 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/da7172a1b/b2e079ccc9a84c40ae4f0e12ca519469 [2025-01-10 06:45:02,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 06:45:02,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 06:45:02,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 06:45:02,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 06:45:02,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 06:45:02,142 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:45:02" (1/1) ... [2025-01-10 06:45:02,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63171e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:45:02, skipping insertion in model container [2025-01-10 06:45:02,143 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:45:02" (1/1) ... [2025-01-10 06:45:02,161 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 06:45:02,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:45:02,342 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 06:45:02,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:45:02,397 INFO L204 MainTranslator]: Completed translation [2025-01-10 06:45:02,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:45:02 WrapperNode [2025-01-10 06:45:02,398 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 06:45:02,399 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 06:45:02,399 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 06:45:02,399 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 06:45:02,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:45:02" (1/1) ... [2025-01-10 06:45:02,411 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:45:02" (1/1) ... [2025-01-10 06:45:02,423 INFO L138 Inliner]: procedures = 163, calls = 55, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 117 [2025-01-10 06:45:02,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 06:45:02,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 06:45:02,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 06:45:02,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 06:45:02,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:45:02" (1/1) ... [2025-01-10 06:45:02,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:45:02" (1/1) ... [2025-01-10 06:45:02,431 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:45:02" (1/1) ... [2025-01-10 06:45:02,439 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 5, 5, 5]. 29 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 5, 5]. The 0 writes are split as follows [0, 0, 0, 0]. [2025-01-10 06:45:02,439 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:45:02" (1/1) ... [2025-01-10 06:45:02,440 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:45:02" (1/1) ... [2025-01-10 06:45:02,443 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:45:02" (1/1) ... [2025-01-10 06:45:02,444 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:45:02" (1/1) ... [2025-01-10 06:45:02,445 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:45:02" (1/1) ... [2025-01-10 06:45:02,446 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:45:02" (1/1) ... [2025-01-10 06:45:02,446 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:45:02" (1/1) ... [2025-01-10 06:45:02,448 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 06:45:02,448 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 06:45:02,449 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 06:45:02,449 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 06:45:02,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:45:02" (1/1) ... [2025-01-10 06:45:02,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:45:02,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:45:02,473 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 06:45:02,475 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 06:45:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2025-01-10 06:45:02,491 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2025-01-10 06:45:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-01-10 06:45:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 06:45:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-01-10 06:45:02,491 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-01-10 06:45:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 06:45:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-10 06:45:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-10 06:45:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-10 06:45:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-01-10 06:45:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 06:45:02,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 06:45:02,493 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 06:45:02,586 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 06:45:02,588 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 06:45:02,880 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-10 06:45:02,881 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 06:45:02,998 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 06:45:02,998 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 06:45:02,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:45:02 BoogieIcfgContainer [2025-01-10 06:45:02,999 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 06:45:03,004 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 06:45:03,004 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 06:45:03,008 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 06:45:03,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:45:02" (1/3) ... [2025-01-10 06:45:03,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@606d04a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:45:03, skipping insertion in model container [2025-01-10 06:45:03,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:45:02" (2/3) ... [2025-01-10 06:45:03,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@606d04a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:45:03, skipping insertion in model container [2025-01-10 06:45:03,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:45:02" (3/3) ... [2025-01-10 06:45:03,010 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_27-multiple-protecting2_true.i [2025-01-10 06:45:03,041 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 06:45:03,043 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_27-multiple-protecting2_true.i that has 3 procedures, 77 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2025-01-10 06:45:03,043 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-10 06:45:03,083 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-01-10 06:45:03,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 76 transitions, 166 flow [2025-01-10 06:45:03,142 INFO L124 PetriNetUnfolderBase]: 0/74 cut-off events. [2025-01-10 06:45:03,145 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-01-10 06:45:03,146 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 74 events. 0/74 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 140 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2025-01-10 06:45:03,147 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 76 transitions, 166 flow [2025-01-10 06:45:03,150 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 72 transitions, 153 flow [2025-01-10 06:45:03,159 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 06:45:03,168 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;@60c9053a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 06:45:03,169 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2025-01-10 06:45:03,174 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-10 06:45:03,174 INFO L124 PetriNetUnfolderBase]: 0/17 cut-off events. [2025-01-10 06:45:03,174 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-10 06:45:03,174 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:45:03,175 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:45:03,175 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 06:45:03,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:45:03,179 INFO L85 PathProgramCache]: Analyzing trace with hash -2079473254, now seen corresponding path program 1 times [2025-01-10 06:45:03,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:45:03,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606935029] [2025-01-10 06:45:03,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:45:03,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:45:03,239 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 06:45:03,250 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 06:45:03,251 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:45:03,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:45:03,341 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 06:45:03,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:45:03,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606935029] [2025-01-10 06:45:03,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606935029] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:45:03,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:45:03,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:45:03,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546822345] [2025-01-10 06:45:03,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:45:03,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:45:03,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:45:03,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:45:03,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:45:03,369 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 76 [2025-01-10 06:45:03,371 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 72 transitions, 153 flow. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 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 06:45:03,371 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:45:03,372 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 76 [2025-01-10 06:45:03,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:45:04,708 INFO L124 PetriNetUnfolderBase]: 6129/11459 cut-off events. [2025-01-10 06:45:04,709 INFO L125 PetriNetUnfolderBase]: For 58/58 co-relation queries the response was YES. [2025-01-10 06:45:04,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21175 conditions, 11459 events. 6129/11459 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 87534 event pairs, 3238 based on Foata normal form. 218/11257 useless extension candidates. Maximal degree in co-relation 21049. Up to 6049 conditions per place. [2025-01-10 06:45:04,872 INFO L140 encePairwiseOnDemand]: 68/76 looper letters, 98 selfloop transitions, 7 changer transitions 4/135 dead transitions. [2025-01-10 06:45:04,872 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 135 transitions, 506 flow [2025-01-10 06:45:04,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:45:04,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-01-10 06:45:04,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 222 transitions. [2025-01-10 06:45:04,886 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7302631578947368 [2025-01-10 06:45:04,888 INFO L175 Difference]: Start difference. First operand has 79 places, 72 transitions, 153 flow. Second operand 4 states and 222 transitions. [2025-01-10 06:45:04,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 135 transitions, 506 flow [2025-01-10 06:45:04,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 135 transitions, 497 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-01-10 06:45:04,907 INFO L231 Difference]: Finished difference. Result has 79 places, 74 transitions, 177 flow [2025-01-10 06:45:04,909 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=177, PETRI_PLACES=79, PETRI_TRANSITIONS=74} [2025-01-10 06:45:04,913 INFO L279 CegarLoopForPetriNet]: 79 programPoint places, 0 predicate places. [2025-01-10 06:45:04,914 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 74 transitions, 177 flow [2025-01-10 06:45:04,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 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 06:45:04,914 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:45:04,915 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:45:04,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 06:45:04,915 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 06:45:04,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:45:04,916 INFO L85 PathProgramCache]: Analyzing trace with hash -39160871, now seen corresponding path program 1 times [2025-01-10 06:45:04,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:45:04,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756354410] [2025-01-10 06:45:04,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:45:04,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:45:04,939 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 06:45:04,949 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 06:45:04,953 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:45:04,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:45:05,075 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 06:45:05,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:45:05,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756354410] [2025-01-10 06:45:05,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756354410] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:45:05,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:45:05,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:45:05,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675362716] [2025-01-10 06:45:05,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:45:05,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:45:05,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:45:05,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:45:05,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:45:05,090 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 76 [2025-01-10 06:45:05,090 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 74 transitions, 177 flow. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 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 06:45:05,090 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:45:05,090 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 76 [2025-01-10 06:45:05,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:45:06,251 INFO L124 PetriNetUnfolderBase]: 6965/13395 cut-off events. [2025-01-10 06:45:06,251 INFO L125 PetriNetUnfolderBase]: For 1970/1970 co-relation queries the response was YES. [2025-01-10 06:45:06,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25965 conditions, 13395 events. 6965/13395 cut-off events. For 1970/1970 co-relation queries the response was YES. Maximal size of possible extension queue 366. Compared 109626 event pairs, 2238 based on Foata normal form. 218/13267 useless extension candidates. Maximal degree in co-relation 23025. Up to 5449 conditions per place. [2025-01-10 06:45:06,329 INFO L140 encePairwiseOnDemand]: 68/76 looper letters, 105 selfloop transitions, 10 changer transitions 0/141 dead transitions. [2025-01-10 06:45:06,329 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 141 transitions, 561 flow [2025-01-10 06:45:06,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:45:06,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-01-10 06:45:06,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 225 transitions. [2025-01-10 06:45:06,334 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7401315789473685 [2025-01-10 06:45:06,334 INFO L175 Difference]: Start difference. First operand has 79 places, 74 transitions, 177 flow. Second operand 4 states and 225 transitions. [2025-01-10 06:45:06,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 141 transitions, 561 flow [2025-01-10 06:45:06,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 141 transitions, 551 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-10 06:45:06,343 INFO L231 Difference]: Finished difference. Result has 81 places, 77 transitions, 228 flow [2025-01-10 06:45:06,343 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=228, PETRI_PLACES=81, PETRI_TRANSITIONS=77} [2025-01-10 06:45:06,344 INFO L279 CegarLoopForPetriNet]: 79 programPoint places, 2 predicate places. [2025-01-10 06:45:06,344 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 77 transitions, 228 flow [2025-01-10 06:45:06,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 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 06:45:06,345 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:45:06,346 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:45:06,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 06:45:06,346 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 06:45:06,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:45:06,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1364991368, now seen corresponding path program 1 times [2025-01-10 06:45:06,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:45:06,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706416062] [2025-01-10 06:45:06,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:45:06,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:45:06,370 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 06:45:06,386 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 06:45:06,386 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:45:06,386 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:45:06,441 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 06:45:06,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:45:06,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706416062] [2025-01-10 06:45:06,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706416062] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:45:06,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:45:06,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:45:06,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896149968] [2025-01-10 06:45:06,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:45:06,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:45:06,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:45:06,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:45:06,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:45:06,460 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 76 [2025-01-10 06:45:06,461 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 77 transitions, 228 flow. Second operand has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 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 06:45:06,464 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:45:06,464 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 76 [2025-01-10 06:45:06,464 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:45:07,674 INFO L124 PetriNetUnfolderBase]: 8807/17162 cut-off events. [2025-01-10 06:45:07,675 INFO L125 PetriNetUnfolderBase]: For 5907/5907 co-relation queries the response was YES. [2025-01-10 06:45:07,697 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35085 conditions, 17162 events. 8807/17162 cut-off events. For 5907/5907 co-relation queries the response was YES. Maximal size of possible extension queue 448. Compared 147055 event pairs, 2309 based on Foata normal form. 330/17108 useless extension candidates. Maximal degree in co-relation 31340. Up to 7471 conditions per place. [2025-01-10 06:45:07,736 INFO L140 encePairwiseOnDemand]: 69/76 looper letters, 125 selfloop transitions, 5 changer transitions 0/154 dead transitions. [2025-01-10 06:45:07,736 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 154 transitions, 772 flow [2025-01-10 06:45:07,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:45:07,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-01-10 06:45:07,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 223 transitions. [2025-01-10 06:45:07,739 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7335526315789473 [2025-01-10 06:45:07,739 INFO L175 Difference]: Start difference. First operand has 81 places, 77 transitions, 228 flow. Second operand 4 states and 223 transitions. [2025-01-10 06:45:07,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 154 transitions, 772 flow [2025-01-10 06:45:07,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 154 transitions, 748 flow, removed 9 selfloop flow, removed 1 redundant places. [2025-01-10 06:45:07,746 INFO L231 Difference]: Finished difference. Result has 83 places, 77 transitions, 242 flow [2025-01-10 06:45:07,746 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=242, PETRI_PLACES=83, PETRI_TRANSITIONS=77} [2025-01-10 06:45:07,747 INFO L279 CegarLoopForPetriNet]: 79 programPoint places, 4 predicate places. [2025-01-10 06:45:07,747 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 77 transitions, 242 flow [2025-01-10 06:45:07,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 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 06:45:07,748 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:45:07,748 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:45:07,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 06:45:07,748 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 06:45:07,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:45:07,749 INFO L85 PathProgramCache]: Analyzing trace with hash -867812034, now seen corresponding path program 1 times [2025-01-10 06:45:07,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:45:07,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100619302] [2025-01-10 06:45:07,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:45:07,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:45:07,761 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 06:45:07,771 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 06:45:07,772 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:45:07,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:45:07,864 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 06:45:07,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:45:07,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100619302] [2025-01-10 06:45:07,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100619302] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:45:07,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:45:07,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 06:45:07,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595825607] [2025-01-10 06:45:07,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:45:07,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 06:45:07,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:45:07,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 06:45:07,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-10 06:45:07,881 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 76 [2025-01-10 06:45:07,882 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 77 transitions, 242 flow. Second operand has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 6 states have internal predecessors, (166), 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 06:45:07,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:45:07,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 76 [2025-01-10 06:45:07,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:45:09,380 INFO L124 PetriNetUnfolderBase]: 7460/14257 cut-off events. [2025-01-10 06:45:09,380 INFO L125 PetriNetUnfolderBase]: For 5601/5601 co-relation queries the response was YES. [2025-01-10 06:45:09,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29933 conditions, 14257 events. 7460/14257 cut-off events. For 5601/5601 co-relation queries the response was YES. Maximal size of possible extension queue 347. Compared 115952 event pairs, 4467 based on Foata normal form. 494/14663 useless extension candidates. Maximal degree in co-relation 26080. Up to 7529 conditions per place. [2025-01-10 06:45:09,547 INFO L140 encePairwiseOnDemand]: 67/76 looper letters, 135 selfloop transitions, 5 changer transitions 0/162 dead transitions. [2025-01-10 06:45:09,547 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 162 transitions, 734 flow [2025-01-10 06:45:09,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 06:45:09,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-10 06:45:09,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 292 transitions. [2025-01-10 06:45:09,549 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6403508771929824 [2025-01-10 06:45:09,549 INFO L175 Difference]: Start difference. First operand has 83 places, 77 transitions, 242 flow. Second operand 6 states and 292 transitions. [2025-01-10 06:45:09,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 162 transitions, 734 flow [2025-01-10 06:45:09,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 162 transitions, 704 flow, removed 1 selfloop flow, removed 5 redundant places. [2025-01-10 06:45:09,566 INFO L231 Difference]: Finished difference. Result has 82 places, 72 transitions, 194 flow [2025-01-10 06:45:09,566 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=194, PETRI_PLACES=82, PETRI_TRANSITIONS=72} [2025-01-10 06:45:09,566 INFO L279 CegarLoopForPetriNet]: 79 programPoint places, 3 predicate places. [2025-01-10 06:45:09,566 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 72 transitions, 194 flow [2025-01-10 06:45:09,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 6 states have internal predecessors, (166), 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 06:45:09,567 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:45:09,567 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:45:09,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 06:45:09,567 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 06:45:09,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:45:09,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1132368707, now seen corresponding path program 1 times [2025-01-10 06:45:09,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:45:09,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892372393] [2025-01-10 06:45:09,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:45:09,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:45:09,575 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 06:45:09,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 06:45:09,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:45:09,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:45:09,633 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 06:45:09,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:45:09,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892372393] [2025-01-10 06:45:09,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892372393] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:45:09,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:45:09,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 06:45:09,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697245483] [2025-01-10 06:45:09,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:45:09,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 06:45:09,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:45:09,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 06:45:09,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-10 06:45:09,646 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 76 [2025-01-10 06:45:09,647 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 72 transitions, 194 flow. Second operand has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 6 states have internal predecessors, (166), 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 06:45:09,647 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:45:09,647 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 76 [2025-01-10 06:45:09,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:45:10,571 INFO L124 PetriNetUnfolderBase]: 7003/13526 cut-off events. [2025-01-10 06:45:10,571 INFO L125 PetriNetUnfolderBase]: For 3030/3030 co-relation queries the response was YES. [2025-01-10 06:45:10,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28009 conditions, 13526 events. 7003/13526 cut-off events. For 3030/3030 co-relation queries the response was YES. Maximal size of possible extension queue 329. Compared 109550 event pairs, 4467 based on Foata normal form. 274/13712 useless extension candidates. Maximal degree in co-relation 24202. Up to 7529 conditions per place. [2025-01-10 06:45:10,608 INFO L140 encePairwiseOnDemand]: 70/76 looper letters, 114 selfloop transitions, 5 changer transitions 21/161 dead transitions. [2025-01-10 06:45:10,608 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 161 transitions, 710 flow [2025-01-10 06:45:10,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 06:45:10,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-10 06:45:10,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 285 transitions. [2025-01-10 06:45:10,610 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.625 [2025-01-10 06:45:10,610 INFO L175 Difference]: Start difference. First operand has 82 places, 72 transitions, 194 flow. Second operand 6 states and 285 transitions. [2025-01-10 06:45:10,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 161 transitions, 710 flow [2025-01-10 06:45:10,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 161 transitions, 700 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-01-10 06:45:10,618 INFO L231 Difference]: Finished difference. Result has 81 places, 65 transitions, 174 flow [2025-01-10 06:45:10,618 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=174, PETRI_PLACES=81, PETRI_TRANSITIONS=65} [2025-01-10 06:45:10,619 INFO L279 CegarLoopForPetriNet]: 79 programPoint places, 2 predicate places. [2025-01-10 06:45:10,619 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 65 transitions, 174 flow [2025-01-10 06:45:10,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 6 states have internal predecessors, (166), 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 06:45:10,619 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:45:10,619 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:45:10,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-10 06:45:10,619 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 06:45:10,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:45:10,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1335611460, now seen corresponding path program 1 times [2025-01-10 06:45:10,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:45:10,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247230793] [2025-01-10 06:45:10,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:45:10,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:45:10,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 06:45:10,628 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 06:45:10,629 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:45:10,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:45:10,681 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 06:45:10,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:45:10,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247230793] [2025-01-10 06:45:10,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247230793] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:45:10,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:45:10,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 06:45:10,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976291745] [2025-01-10 06:45:10,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:45:10,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 06:45:10,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:45:10,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 06:45:10,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-10 06:45:10,693 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 76 [2025-01-10 06:45:10,693 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 65 transitions, 174 flow. Second operand has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 states have internal predecessors, (168), 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 06:45:10,693 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:45:10,693 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 76 [2025-01-10 06:45:10,693 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:45:11,174 INFO L124 PetriNetUnfolderBase]: 4043/7774 cut-off events. [2025-01-10 06:45:11,174 INFO L125 PetriNetUnfolderBase]: For 1942/1942 co-relation queries the response was YES. [2025-01-10 06:45:11,183 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16063 conditions, 7774 events. 4043/7774 cut-off events. For 1942/1942 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 58731 event pairs, 1183 based on Foata normal form. 354/8114 useless extension candidates. Maximal degree in co-relation 13802. Up to 2232 conditions per place. [2025-01-10 06:45:11,199 INFO L140 encePairwiseOnDemand]: 70/76 looper letters, 134 selfloop transitions, 4 changer transitions 0/157 dead transitions. [2025-01-10 06:45:11,199 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 157 transitions, 701 flow [2025-01-10 06:45:11,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 06:45:11,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-10 06:45:11,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 285 transitions. [2025-01-10 06:45:11,200 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.625 [2025-01-10 06:45:11,200 INFO L175 Difference]: Start difference. First operand has 81 places, 65 transitions, 174 flow. Second operand 6 states and 285 transitions. [2025-01-10 06:45:11,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 157 transitions, 701 flow [2025-01-10 06:45:11,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 157 transitions, 661 flow, removed 0 selfloop flow, removed 8 redundant places. [2025-01-10 06:45:11,203 INFO L231 Difference]: Finished difference. Result has 72 places, 63 transitions, 158 flow [2025-01-10 06:45:11,203 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=158, PETRI_PLACES=72, PETRI_TRANSITIONS=63} [2025-01-10 06:45:11,203 INFO L279 CegarLoopForPetriNet]: 79 programPoint places, -7 predicate places. [2025-01-10 06:45:11,203 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 63 transitions, 158 flow [2025-01-10 06:45:11,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 states have internal predecessors, (168), 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 06:45:11,204 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:45:11,204 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:45:11,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 06:45:11,204 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t2_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 06:45:11,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:45:11,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1545718250, now seen corresponding path program 1 times [2025-01-10 06:45:11,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:45:11,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417325775] [2025-01-10 06:45:11,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:45:11,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:45:11,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-10 06:45:11,212 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-10 06:45:11,212 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:45:11,212 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:45:11,255 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 06:45:11,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:45:11,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417325775] [2025-01-10 06:45:11,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417325775] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:45:11,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:45:11,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 06:45:11,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625326289] [2025-01-10 06:45:11,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:45:11,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 06:45:11,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:45:11,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 06:45:11,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-10 06:45:11,268 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 76 [2025-01-10 06:45:11,269 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 63 transitions, 158 flow. Second operand has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 states have internal predecessors, (168), 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 06:45:11,269 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:45:11,269 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 76 [2025-01-10 06:45:11,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:45:11,753 INFO L124 PetriNetUnfolderBase]: 3573/7030 cut-off events. [2025-01-10 06:45:11,753 INFO L125 PetriNetUnfolderBase]: For 1452/1452 co-relation queries the response was YES. [2025-01-10 06:45:11,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14140 conditions, 7030 events. 3573/7030 cut-off events. For 1452/1452 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 53151 event pairs, 1183 based on Foata normal form. 274/7290 useless extension candidates. Maximal degree in co-relation 12068. Up to 2232 conditions per place. [2025-01-10 06:45:11,773 INFO L140 encePairwiseOnDemand]: 71/76 looper letters, 0 selfloop transitions, 0 changer transitions 156/156 dead transitions. [2025-01-10 06:45:11,776 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 156 transitions, 665 flow [2025-01-10 06:45:11,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 06:45:11,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-10 06:45:11,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 282 transitions. [2025-01-10 06:45:11,778 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.618421052631579 [2025-01-10 06:45:11,778 INFO L175 Difference]: Start difference. First operand has 72 places, 63 transitions, 158 flow. Second operand 6 states and 282 transitions. [2025-01-10 06:45:11,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 156 transitions, 665 flow [2025-01-10 06:45:11,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 156 transitions, 658 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-01-10 06:45:11,783 INFO L231 Difference]: Finished difference. Result has 72 places, 0 transitions, 0 flow [2025-01-10 06:45:11,783 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=72, PETRI_TRANSITIONS=0} [2025-01-10 06:45:11,784 INFO L279 CegarLoopForPetriNet]: 79 programPoint places, -7 predicate places. [2025-01-10 06:45:11,784 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 0 transitions, 0 flow [2025-01-10 06:45:11,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 states have internal predecessors, (168), 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 06:45:11,792 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2025-01-10 06:45:11,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2025-01-10 06:45:11,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2025-01-10 06:45:11,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2025-01-10 06:45:11,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 18 remaining) [2025-01-10 06:45:11,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 18 remaining) [2025-01-10 06:45:11,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2025-01-10 06:45:11,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2025-01-10 06:45:11,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining) [2025-01-10 06:45:11,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining) [2025-01-10 06:45:11,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2025-01-10 06:45:11,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2025-01-10 06:45:11,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2025-01-10 06:45:11,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2025-01-10 06:45:11,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2025-01-10 06:45:11,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2025-01-10 06:45:11,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2025-01-10 06:45:11,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2025-01-10 06:45:11,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-10 06:45:11,800 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:45:11,804 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-10 06:45:11,809 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-10 06:45:11,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:45:11 BasicIcfg [2025-01-10 06:45:11,818 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-10 06:45:11,819 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 06:45:11,823 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 06:45:11,824 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 06:45:11,824 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:45:02" (3/4) ... [2025-01-10 06:45:11,825 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-10 06:45:11,828 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure t2_fun [2025-01-10 06:45:11,833 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-01-10 06:45:11,837 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2025-01-10 06:45:11,838 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2025-01-10 06:45:11,838 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-10 06:45:11,838 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-10 06:45:11,973 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 06:45:11,977 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-10 06:45:11,977 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 06:45:11,978 INFO L158 Benchmark]: Toolchain (without parser) took 9839.42ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 931.1MB). Free memory was 113.3MB in the beginning and 457.9MB in the end (delta: -344.6MB). Peak memory consumption was 586.5MB. Max. memory is 16.1GB. [2025-01-10 06:45:11,979 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 226.5MB. Free memory was 146.3MB in the beginning and 146.0MB in the end (delta: 307.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 06:45:11,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.30ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 93.1MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 06:45:11,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.41ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 91.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 06:45:11,985 INFO L158 Benchmark]: Boogie Preprocessor took 24.23ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 89.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 06:45:11,986 INFO L158 Benchmark]: RCFGBuilder took 554.10ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 44.0MB in the end (delta: 45.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-01-10 06:45:11,986 INFO L158 Benchmark]: TraceAbstraction took 8814.12ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 931.1MB). Free memory was 42.9MB in the beginning and 462.2MB in the end (delta: -419.3MB). Peak memory consumption was 519.4MB. Max. memory is 16.1GB. [2025-01-10 06:45:11,986 INFO L158 Benchmark]: Witness Printer took 158.44ms. Allocated memory is still 1.1GB. Free memory was 462.2MB in the beginning and 457.9MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 06:45:11,987 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 226.5MB. Free memory was 146.3MB in the beginning and 146.0MB in the end (delta: 307.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.30ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 93.1MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.41ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 91.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.23ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 89.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 554.10ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 44.0MB in the end (delta: 45.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 8814.12ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 931.1MB). Free memory was 42.9MB in the beginning and 462.2MB in the end (delta: -419.3MB). Peak memory consumption was 519.4MB. Max. memory is 16.1GB. * Witness Printer took 158.44ms. Allocated memory is still 1.1GB. Free memory was 462.2MB in the beginning and 457.9MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 699]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 699]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 702]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 702]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 688]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 688]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 691]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 691]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 123 locations, 18 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: 8.7s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 814 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 776 mSDsluCounter, 124 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 87 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2013 IncrementalHoareTripleChecker+Invalid, 2043 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 37 mSDtfsCounter, 2013 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=242occurred in iteration=3, InterpolantAutomatonStates: 36, 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, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 246 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-10 06:45:12,007 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