./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/mix002.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix002.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 dab8e857d69436654e6c7f0511b4cf3ecd6cd037fe32ed910d6d601721dfd494 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 22:06:51,399 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 22:06:51,488 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 22:06:51,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 22:06:51,497 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 22:06:51,524 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 22:06:51,526 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 22:06:51,526 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 22:06:51,527 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 22:06:51,528 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 22:06:51,529 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 22:06:51,529 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 22:06:51,530 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 22:06:51,531 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 22:06:51,532 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 22:06:51,532 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 22:06:51,532 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 22:06:51,533 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 22:06:51,533 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 22:06:51,534 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 22:06:51,534 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 22:06:51,537 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 22:06:51,537 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 22:06:51,538 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 22:06:51,538 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 22:06:51,538 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 22:06:51,539 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 22:06:51,539 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 22:06:51,539 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 22:06:51,539 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 22:06:51,540 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 22:06:51,550 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 22:06:51,550 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 22:06:51,550 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 22:06:51,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 22:06:51,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 22:06:51,553 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 22:06:51,554 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 22:06:51,554 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 22:06:51,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 22:06:51,554 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 22:06:51,555 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 22:06:51,555 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 22:06:51,556 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 22:06:51,556 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dab8e857d69436654e6c7f0511b4cf3ecd6cd037fe32ed910d6d601721dfd494 [2024-11-10 22:06:51,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 22:06:51,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 22:06:51,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 22:06:51,856 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 22:06:51,856 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 22:06:51,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix002.opt.i [2024-11-10 22:06:53,372 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 22:06:53,619 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 22:06:53,626 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix002.opt.i [2024-11-10 22:06:53,643 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78bc2dd84/ecdcaa8d00514907ac7a1b6d4823d3f0/FLAGe2f9ba214 [2024-11-10 22:06:53,936 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78bc2dd84/ecdcaa8d00514907ac7a1b6d4823d3f0 [2024-11-10 22:06:53,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 22:06:53,939 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 22:06:53,941 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 22:06:53,942 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 22:06:53,947 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 22:06:53,949 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:06:53" (1/1) ... [2024-11-10 22:06:53,950 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ecd5589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:06:53, skipping insertion in model container [2024-11-10 22:06:53,950 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:06:53" (1/1) ... [2024-11-10 22:06:53,997 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 22:06:54,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:06:54,434 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 22:06:54,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:06:54,548 INFO L204 MainTranslator]: Completed translation [2024-11-10 22:06:54,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:06:54 WrapperNode [2024-11-10 22:06:54,549 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 22:06:54,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 22:06:54,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 22:06:54,550 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 22:06:54,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:06:54" (1/1) ... [2024-11-10 22:06:54,588 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:06:54" (1/1) ... [2024-11-10 22:06:54,630 INFO L138 Inliner]: procedures = 175, calls = 51, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 148 [2024-11-10 22:06:54,634 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 22:06:54,635 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 22:06:54,635 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 22:06:54,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 22:06:54,646 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:06:54" (1/1) ... [2024-11-10 22:06:54,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:06:54" (1/1) ... [2024-11-10 22:06:54,655 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:06:54" (1/1) ... [2024-11-10 22:06:54,678 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]. [2024-11-10 22:06:54,682 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:06:54" (1/1) ... [2024-11-10 22:06:54,682 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:06:54" (1/1) ... [2024-11-10 22:06:54,693 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:06:54" (1/1) ... [2024-11-10 22:06:54,694 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:06:54" (1/1) ... [2024-11-10 22:06:54,699 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:06:54" (1/1) ... [2024-11-10 22:06:54,700 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:06:54" (1/1) ... [2024-11-10 22:06:54,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 22:06:54,708 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 22:06:54,708 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 22:06:54,709 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 22:06:54,709 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:06:54" (1/1) ... [2024-11-10 22:06:54,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 22:06:54,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:06:54,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 22:06:54,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 22:06:54,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 22:06:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 22:06:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-10 22:06:54,792 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-10 22:06:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-10 22:06:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-10 22:06:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-10 22:06:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-10 22:06:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 22:06:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 22:06:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 22:06:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 22:06:54,796 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 22:06:54,961 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 22:06:54,963 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 22:06:55,305 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 22:06:55,305 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 22:06:55,588 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 22:06:55,588 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 22:06:55,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:06:55 BoogieIcfgContainer [2024-11-10 22:06:55,589 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 22:06:55,591 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 22:06:55,592 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 22:06:55,596 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 22:06:55,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:06:53" (1/3) ... [2024-11-10 22:06:55,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507d5bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:06:55, skipping insertion in model container [2024-11-10 22:06:55,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:06:54" (2/3) ... [2024-11-10 22:06:55,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507d5bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:06:55, skipping insertion in model container [2024-11-10 22:06:55,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:06:55" (3/3) ... [2024-11-10 22:06:55,599 INFO L112 eAbstractionObserver]: Analyzing ICFG mix002.opt.i [2024-11-10 22:06:55,617 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 22:06:55,618 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-10 22:06:55,618 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 22:06:55,683 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 22:06:55,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 53 places, 43 transitions, 98 flow [2024-11-10 22:06:55,762 INFO L124 PetriNetUnfolderBase]: 0/40 cut-off events. [2024-11-10 22:06:55,763 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 22:06:55,767 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 40 events. 0/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 103 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-10 22:06:55,767 INFO L82 GeneralOperation]: Start removeDead. Operand has 53 places, 43 transitions, 98 flow [2024-11-10 22:06:55,772 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 40 transitions, 89 flow [2024-11-10 22:06:55,785 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 22:06:55,792 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;@b47e4f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 22:06:55,793 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-10 22:06:55,805 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 22:06:55,805 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2024-11-10 22:06:55,806 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 22:06:55,806 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:06:55,807 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:06:55,808 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-10 22:06:55,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:06:55,813 INFO L85 PathProgramCache]: Analyzing trace with hash -648548954, now seen corresponding path program 1 times [2024-11-10 22:06:55,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:06:55,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357499686] [2024-11-10 22:06:55,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:06:55,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:06:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:06:56,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:06:56,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:06:56,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357499686] [2024-11-10 22:06:56,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357499686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:06:56,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:06:56,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 22:06:56,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400623424] [2024-11-10 22:06:56,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:06:56,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 22:06:56,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:06:56,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 22:06:56,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 22:06:56,174 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 43 [2024-11-10 22:06:56,176 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 40 transitions, 89 flow. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-11-10 22:06:56,177 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:06:56,177 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 43 [2024-11-10 22:06:56,178 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:06:57,999 INFO L124 PetriNetUnfolderBase]: 9766/13896 cut-off events. [2024-11-10 22:06:58,000 INFO L125 PetriNetUnfolderBase]: For 66/66 co-relation queries the response was YES. [2024-11-10 22:06:58,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27934 conditions, 13896 events. 9766/13896 cut-off events. For 66/66 co-relation queries the response was YES. Maximal size of possible extension queue 433. Compared 76122 event pairs, 3786 based on Foata normal form. 0/12468 useless extension candidates. Maximal degree in co-relation 27923. Up to 10251 conditions per place. [2024-11-10 22:06:58,104 INFO L140 encePairwiseOnDemand]: 33/43 looper letters, 59 selfloop transitions, 4 changer transitions 0/66 dead transitions. [2024-11-10 22:06:58,104 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 66 transitions, 273 flow [2024-11-10 22:06:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 22:06:58,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 22:06:58,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 87 transitions. [2024-11-10 22:06:58,116 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6744186046511628 [2024-11-10 22:06:58,118 INFO L175 Difference]: Start difference. First operand has 50 places, 40 transitions, 89 flow. Second operand 3 states and 87 transitions. [2024-11-10 22:06:58,119 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 66 transitions, 273 flow [2024-11-10 22:06:58,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 66 transitions, 268 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-10 22:06:58,128 INFO L231 Difference]: Finished difference. Result has 50 places, 43 transitions, 122 flow [2024-11-10 22:06:58,131 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=122, PETRI_PLACES=50, PETRI_TRANSITIONS=43} [2024-11-10 22:06:58,137 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 0 predicate places. [2024-11-10 22:06:58,137 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 43 transitions, 122 flow [2024-11-10 22:06:58,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-11-10 22:06:58,138 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:06:58,138 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:06:58,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 22:06:58,139 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-10 22:06:58,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:06:58,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1763383133, now seen corresponding path program 1 times [2024-11-10 22:06:58,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:06:58,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198317974] [2024-11-10 22:06:58,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:06:58,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:06:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:06:58,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:06:58,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:06:58,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198317974] [2024-11-10 22:06:58,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198317974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:06:58,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:06:58,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 22:06:58,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229540237] [2024-11-10 22:06:58,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:06:58,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 22:06:58,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:06:58,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 22:06:58,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 22:06:58,362 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 43 [2024-11-10 22:06:58,362 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 43 transitions, 122 flow. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-11-10 22:06:58,363 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:06:58,363 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 43 [2024-11-10 22:06:58,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:06:59,830 INFO L124 PetriNetUnfolderBase]: 8245/11709 cut-off events. [2024-11-10 22:06:59,831 INFO L125 PetriNetUnfolderBase]: For 627/627 co-relation queries the response was YES. [2024-11-10 22:06:59,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26038 conditions, 11709 events. 8245/11709 cut-off events. For 627/627 co-relation queries the response was YES. Maximal size of possible extension queue 379. Compared 62559 event pairs, 3243 based on Foata normal form. 0/11073 useless extension candidates. Maximal degree in co-relation 26027. Up to 8063 conditions per place. [2024-11-10 22:06:59,917 INFO L140 encePairwiseOnDemand]: 36/43 looper letters, 56 selfloop transitions, 4 changer transitions 0/63 dead transitions. [2024-11-10 22:06:59,918 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 63 transitions, 280 flow [2024-11-10 22:06:59,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 22:06:59,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 22:06:59,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 87 transitions. [2024-11-10 22:06:59,920 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5058139534883721 [2024-11-10 22:06:59,920 INFO L175 Difference]: Start difference. First operand has 50 places, 43 transitions, 122 flow. Second operand 4 states and 87 transitions. [2024-11-10 22:06:59,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 63 transitions, 280 flow [2024-11-10 22:06:59,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 63 transitions, 276 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 22:06:59,927 INFO L231 Difference]: Finished difference. Result has 49 places, 40 transitions, 114 flow [2024-11-10 22:06:59,927 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=114, PETRI_PLACES=49, PETRI_TRANSITIONS=40} [2024-11-10 22:06:59,928 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, -1 predicate places. [2024-11-10 22:06:59,928 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 40 transitions, 114 flow [2024-11-10 22:06:59,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-11-10 22:06:59,928 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:06:59,929 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:06:59,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 22:06:59,929 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-10 22:06:59,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:06:59,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1763383132, now seen corresponding path program 1 times [2024-11-10 22:06:59,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:06:59,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815534894] [2024-11-10 22:06:59,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:06:59,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:06:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:07:00,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:07:00,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:07:00,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815534894] [2024-11-10 22:07:00,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815534894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:07:00,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:07:00,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 22:07:00,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995823142] [2024-11-10 22:07:00,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:07:00,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 22:07:00,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:07:00,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 22:07:00,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 22:07:00,068 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 43 [2024-11-10 22:07:00,068 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 40 transitions, 114 flow. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-11-10 22:07:00,068 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:07:00,068 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 43 [2024-11-10 22:07:00,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:07:01,255 INFO L124 PetriNetUnfolderBase]: 7078/10044 cut-off events. [2024-11-10 22:07:01,255 INFO L125 PetriNetUnfolderBase]: For 1603/1603 co-relation queries the response was YES. [2024-11-10 22:07:01,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22077 conditions, 10044 events. 7078/10044 cut-off events. For 1603/1603 co-relation queries the response was YES. Maximal size of possible extension queue 343. Compared 52491 event pairs, 2584 based on Foata normal form. 0/9948 useless extension candidates. Maximal degree in co-relation 22065. Up to 4274 conditions per place. [2024-11-10 22:07:01,304 INFO L140 encePairwiseOnDemand]: 36/43 looper letters, 77 selfloop transitions, 7 changer transitions 3/90 dead transitions. [2024-11-10 22:07:01,304 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 90 transitions, 400 flow [2024-11-10 22:07:01,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 22:07:01,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 22:07:01,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 114 transitions. [2024-11-10 22:07:01,306 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6627906976744186 [2024-11-10 22:07:01,306 INFO L175 Difference]: Start difference. First operand has 49 places, 40 transitions, 114 flow. Second operand 4 states and 114 transitions. [2024-11-10 22:07:01,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 90 transitions, 400 flow [2024-11-10 22:07:01,309 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 90 transitions, 395 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 22:07:01,310 INFO L231 Difference]: Finished difference. Result has 51 places, 40 transitions, 135 flow [2024-11-10 22:07:01,310 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=135, PETRI_PLACES=51, PETRI_TRANSITIONS=40} [2024-11-10 22:07:01,310 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 1 predicate places. [2024-11-10 22:07:01,311 INFO L471 AbstractCegarLoop]: Abstraction has has 51 places, 40 transitions, 135 flow [2024-11-10 22:07:01,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-11-10 22:07:01,311 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:07:01,311 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:07:01,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 22:07:01,312 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-10 22:07:01,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:07:01,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1566308509, now seen corresponding path program 1 times [2024-11-10 22:07:01,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:07:01,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051741439] [2024-11-10 22:07:01,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:07:01,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:07:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:07:01,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:07:01,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:07:01,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051741439] [2024-11-10 22:07:01,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051741439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:07:01,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:07:01,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 22:07:01,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636459546] [2024-11-10 22:07:01,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:07:01,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 22:07:01,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:07:01,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 22:07:01,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 22:07:01,512 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 43 [2024-11-10 22:07:01,513 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 40 transitions, 135 flow. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2024-11-10 22:07:01,513 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:07:01,513 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 43 [2024-11-10 22:07:01,513 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:07:02,877 INFO L124 PetriNetUnfolderBase]: 6762/9588 cut-off events. [2024-11-10 22:07:02,877 INFO L125 PetriNetUnfolderBase]: For 3738/3738 co-relation queries the response was YES. [2024-11-10 22:07:02,895 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22529 conditions, 9588 events. 6762/9588 cut-off events. For 3738/3738 co-relation queries the response was YES. Maximal size of possible extension queue 343. Compared 50384 event pairs, 2514 based on Foata normal form. 84/9660 useless extension candidates. Maximal degree in co-relation 22516. Up to 4274 conditions per place. [2024-11-10 22:07:02,902 INFO L140 encePairwiseOnDemand]: 36/43 looper letters, 0 selfloop transitions, 0 changer transitions 84/84 dead transitions. [2024-11-10 22:07:02,902 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 84 transitions, 379 flow [2024-11-10 22:07:02,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 22:07:02,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 22:07:02,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 114 transitions. [2024-11-10 22:07:02,905 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5302325581395348 [2024-11-10 22:07:02,905 INFO L175 Difference]: Start difference. First operand has 51 places, 40 transitions, 135 flow. Second operand 5 states and 114 transitions. [2024-11-10 22:07:02,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 84 transitions, 379 flow [2024-11-10 22:07:02,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 84 transitions, 355 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-11-10 22:07:02,919 INFO L231 Difference]: Finished difference. Result has 48 places, 0 transitions, 0 flow [2024-11-10 22:07:02,919 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=93, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=48, PETRI_TRANSITIONS=0} [2024-11-10 22:07:02,920 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, -2 predicate places. [2024-11-10 22:07:02,920 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 0 transitions, 0 flow [2024-11-10 22:07:02,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2024-11-10 22:07:02,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-11-10 22:07:02,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-11-10 22:07:02,925 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-11-10 22:07:02,925 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-11-10 22:07:02,925 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-11-10 22:07:02,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-11-10 22:07:02,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-10 22:07:02,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-11-10 22:07:02,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-11-10 22:07:02,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-11-10 22:07:02,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-11-10 22:07:02,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-11-10 22:07:02,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-11-10 22:07:02,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-11-10 22:07:02,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-11-10 22:07:02,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 22:07:02,928 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-10 22:07:02,935 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 22:07:02,935 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 22:07:02,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:07:02 BasicIcfg [2024-11-10 22:07:02,942 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 22:07:02,943 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 22:07:02,943 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 22:07:02,944 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 22:07:02,944 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:06:55" (3/4) ... [2024-11-10 22:07:02,946 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 22:07:02,949 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-10 22:07:02,949 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-10 22:07:02,949 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-10 22:07:02,954 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2024-11-10 22:07:02,954 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-10 22:07:02,955 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-10 22:07:02,955 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 22:07:03,046 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 22:07:03,046 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 22:07:03,046 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 22:07:03,047 INFO L158 Benchmark]: Toolchain (without parser) took 9107.71ms. Allocated memory was 184.5MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 125.9MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 244.2MB. Max. memory is 16.1GB. [2024-11-10 22:07:03,047 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 184.5MB. Free memory was 150.1MB in the beginning and 149.8MB in the end (delta: 276.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:07:03,048 INFO L158 Benchmark]: CACSL2BoogieTranslator took 607.91ms. Allocated memory is still 184.5MB. Free memory was 125.9MB in the beginning and 99.1MB in the end (delta: 26.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-10 22:07:03,048 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.86ms. Allocated memory is still 184.5MB. Free memory was 99.1MB in the beginning and 96.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 22:07:03,048 INFO L158 Benchmark]: Boogie Preprocessor took 72.18ms. Allocated memory is still 184.5MB. Free memory was 96.2MB in the beginning and 92.4MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 22:07:03,049 INFO L158 Benchmark]: IcfgBuilder took 881.29ms. Allocated memory was 184.5MB in the beginning and 266.3MB in the end (delta: 81.8MB). Free memory was 92.4MB in the beginning and 211.2MB in the end (delta: -118.8MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-10 22:07:03,049 INFO L158 Benchmark]: TraceAbstraction took 7351.14ms. Allocated memory was 266.3MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 210.3MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 571.9MB. Max. memory is 16.1GB. [2024-11-10 22:07:03,049 INFO L158 Benchmark]: Witness Printer took 103.03ms. Allocated memory is still 1.7GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 22:07:03,051 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 184.5MB. Free memory was 150.1MB in the beginning and 149.8MB in the end (delta: 276.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 607.91ms. Allocated memory is still 184.5MB. Free memory was 125.9MB in the beginning and 99.1MB in the end (delta: 26.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.86ms. Allocated memory is still 184.5MB. Free memory was 99.1MB in the beginning and 96.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.18ms. Allocated memory is still 184.5MB. Free memory was 96.2MB in the beginning and 92.4MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 881.29ms. Allocated memory was 184.5MB in the beginning and 266.3MB in the end (delta: 81.8MB). Free memory was 92.4MB in the beginning and 211.2MB in the end (delta: -118.8MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * TraceAbstraction took 7351.14ms. Allocated memory was 266.3MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 210.3MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 571.9MB. Max. memory is 16.1GB. * Witness Printer took 103.03ms. Allocated memory is still 1.7GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 798]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 798]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 843]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 843]: 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, 78 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: 7.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 171 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 171 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 372 IncrementalHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 0 mSDtfsCounter, 372 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=135occurred 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, 0.6s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 192 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 - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 22:07:03,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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