./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/mix040.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/mix040.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 9adb0e975425d9a1b173bce1a766592f39d0541cd50cefd6e228e1140c2f9f3e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 22:09:38,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 22:09:38,146 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 22:09:38,153 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 22:09:38,154 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 22:09:38,179 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 22:09:38,182 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 22:09:38,182 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 22:09:38,183 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 22:09:38,184 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 22:09:38,185 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 22:09:38,185 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 22:09:38,185 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 22:09:38,186 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 22:09:38,188 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 22:09:38,188 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 22:09:38,188 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 22:09:38,189 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 22:09:38,189 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 22:09:38,189 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 22:09:38,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 22:09:38,193 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 22:09:38,193 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 22:09:38,194 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 22:09:38,194 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 22:09:38,194 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 22:09:38,194 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 22:09:38,194 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 22:09:38,195 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 22:09:38,195 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 22:09:38,195 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 22:09:38,195 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 22:09:38,195 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 22:09:38,195 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 22:09:38,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 22:09:38,196 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 22:09:38,196 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 22:09:38,196 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 22:09:38,196 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 22:09:38,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 22:09:38,197 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 22:09:38,198 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 22:09:38,199 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 22:09:38,199 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 22:09:38,199 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9adb0e975425d9a1b173bce1a766592f39d0541cd50cefd6e228e1140c2f9f3e [2024-11-10 22:09:38,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 22:09:38,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 22:09:38,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 22:09:38,424 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 22:09:38,425 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 22:09:38,425 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix040.opt.i [2024-11-10 22:09:39,744 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 22:09:39,927 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 22:09:39,927 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix040.opt.i [2024-11-10 22:09:39,945 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/124675b13/e4d26f6232614b1898c254737e8b50e1/FLAG65104cd2b [2024-11-10 22:09:39,955 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/124675b13/e4d26f6232614b1898c254737e8b50e1 [2024-11-10 22:09:39,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 22:09:39,958 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 22:09:39,960 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 22:09:39,960 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 22:09:39,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 22:09:39,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:09:39" (1/1) ... [2024-11-10 22:09:39,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7260d90c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:39, skipping insertion in model container [2024-11-10 22:09:39,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:09:39" (1/1) ... [2024-11-10 22:09:40,003 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 22:09:40,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:09:40,422 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 22:09:40,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:09:40,498 INFO L204 MainTranslator]: Completed translation [2024-11-10 22:09:40,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:40 WrapperNode [2024-11-10 22:09:40,499 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 22:09:40,500 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 22:09:40,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 22:09:40,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 22:09:40,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:40" (1/1) ... [2024-11-10 22:09:40,518 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:40" (1/1) ... [2024-11-10 22:09:40,540 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 140 [2024-11-10 22:09:40,540 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 22:09:40,541 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 22:09:40,541 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 22:09:40,541 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 22:09:40,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:40" (1/1) ... [2024-11-10 22:09:40,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:40" (1/1) ... [2024-11-10 22:09:40,552 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:40" (1/1) ... [2024-11-10 22:09:40,564 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 22:09:40,565 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:40" (1/1) ... [2024-11-10 22:09:40,565 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:40" (1/1) ... [2024-11-10 22:09:40,570 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:40" (1/1) ... [2024-11-10 22:09:40,571 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:40" (1/1) ... [2024-11-10 22:09:40,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:40" (1/1) ... [2024-11-10 22:09:40,574 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:40" (1/1) ... [2024-11-10 22:09:40,576 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 22:09:40,577 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 22:09:40,577 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 22:09:40,577 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 22:09:40,578 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:40" (1/1) ... [2024-11-10 22:09:40,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 22:09:40,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:09:40,627 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 22:09:40,634 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 22:09:40,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 22:09:40,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 22:09:40,673 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-10 22:09:40,674 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-10 22:09:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-10 22:09:40,674 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-10 22:09:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-10 22:09:40,674 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-10 22:09:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-10 22:09:40,675 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-10 22:09:40,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 22:09:40,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 22:09:40,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 22:09:40,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 22:09:40,678 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 22:09:40,806 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 22:09:40,808 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 22:09:41,050 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 22:09:41,051 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 22:09:41,207 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 22:09:41,208 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 22:09:41,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:09:41 BoogieIcfgContainer [2024-11-10 22:09:41,208 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 22:09:41,210 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 22:09:41,210 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 22:09:41,213 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 22:09:41,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:09:39" (1/3) ... [2024-11-10 22:09:41,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76875a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:09:41, skipping insertion in model container [2024-11-10 22:09:41,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:40" (2/3) ... [2024-11-10 22:09:41,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76875a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:09:41, skipping insertion in model container [2024-11-10 22:09:41,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:09:41" (3/3) ... [2024-11-10 22:09:41,215 INFO L112 eAbstractionObserver]: Analyzing ICFG mix040.opt.i [2024-11-10 22:09:41,229 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 22:09:41,229 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-10 22:09:41,230 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 22:09:41,276 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 22:09:41,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 52 transitions, 120 flow [2024-11-10 22:09:41,329 INFO L124 PetriNetUnfolderBase]: 0/48 cut-off events. [2024-11-10 22:09:41,329 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 22:09:41,331 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 48 events. 0/48 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 121 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-10 22:09:41,331 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 52 transitions, 120 flow [2024-11-10 22:09:41,334 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 61 places, 48 transitions, 108 flow [2024-11-10 22:09:41,341 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 22:09:41,347 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;@60abb4a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 22:09:41,347 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-10 22:09:41,354 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 22:09:41,354 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-10 22:09:41,354 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 22:09:41,354 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:09:41,355 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:09:41,355 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-10 22:09:41,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:09:41,360 INFO L85 PathProgramCache]: Analyzing trace with hash -95101750, now seen corresponding path program 1 times [2024-11-10 22:09:41,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:09:41,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858297008] [2024-11-10 22:09:41,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:09:41,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:09:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:09:41,596 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 22:09:41,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:09:41,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858297008] [2024-11-10 22:09:41,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858297008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:09:41,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:09:41,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 22:09:41,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361071241] [2024-11-10 22:09:41,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:09:41,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 22:09:41,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:09:41,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 22:09:41,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 22:09:41,632 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 52 [2024-11-10 22:09:41,634 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 48 transitions, 108 flow. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 22:09:41,635 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:09:41,635 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 52 [2024-11-10 22:09:41,636 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:09:49,981 INFO L124 PetriNetUnfolderBase]: 86859/114145 cut-off events. [2024-11-10 22:09:49,982 INFO L125 PetriNetUnfolderBase]: For 388/388 co-relation queries the response was YES. [2024-11-10 22:09:50,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 229085 conditions, 114145 events. 86859/114145 cut-off events. For 388/388 co-relation queries the response was YES. Maximal size of possible extension queue 3074. Compared 689657 event pairs, 28395 based on Foata normal form. 0/94822 useless extension candidates. Maximal degree in co-relation 229073. Up to 103009 conditions per place. [2024-11-10 22:09:50,531 INFO L140 encePairwiseOnDemand]: 39/52 looper letters, 69 selfloop transitions, 5 changer transitions 0/78 dead transitions. [2024-11-10 22:09:50,532 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 78 transitions, 325 flow [2024-11-10 22:09:50,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 22:09:50,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 22:09:50,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 106 transitions. [2024-11-10 22:09:50,540 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6794871794871795 [2024-11-10 22:09:50,541 INFO L175 Difference]: Start difference. First operand has 61 places, 48 transitions, 108 flow. Second operand 3 states and 106 transitions. [2024-11-10 22:09:50,542 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 78 transitions, 325 flow [2024-11-10 22:09:50,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 78 transitions, 318 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 22:09:50,550 INFO L231 Difference]: Finished difference. Result has 60 places, 52 transitions, 151 flow [2024-11-10 22:09:50,551 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=151, PETRI_PLACES=60, PETRI_TRANSITIONS=52} [2024-11-10 22:09:50,554 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -1 predicate places. [2024-11-10 22:09:50,555 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 52 transitions, 151 flow [2024-11-10 22:09:50,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 22:09:50,555 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:09:50,555 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:09:50,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 22:09:50,555 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-10 22:09:50,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:09:50,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1505420841, now seen corresponding path program 1 times [2024-11-10 22:09:50,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:09:50,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67063309] [2024-11-10 22:09:50,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:09:50,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:09:50,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:09:50,654 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 22:09:50,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:09:50,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67063309] [2024-11-10 22:09:50,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67063309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:09:50,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:09:50,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 22:09:50,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098343906] [2024-11-10 22:09:50,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:09:50,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 22:09:50,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:09:50,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 22:09:50,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 22:09:50,657 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 52 [2024-11-10 22:09:50,661 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 52 transitions, 151 flow. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 22:09:50,661 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:09:50,661 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 52 [2024-11-10 22:09:50,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:09:55,987 INFO L124 PetriNetUnfolderBase]: 70211/93601 cut-off events. [2024-11-10 22:09:55,988 INFO L125 PetriNetUnfolderBase]: For 5173/5173 co-relation queries the response was YES. [2024-11-10 22:09:56,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 211340 conditions, 93601 events. 70211/93601 cut-off events. For 5173/5173 co-relation queries the response was YES. Maximal size of possible extension queue 2394. Compared 571108 event pairs, 14845 based on Foata normal form. 0/83190 useless extension candidates. Maximal degree in co-relation 211329. Up to 46480 conditions per place. [2024-11-10 22:09:56,686 INFO L140 encePairwiseOnDemand]: 39/52 looper letters, 97 selfloop transitions, 13 changer transitions 0/114 dead transitions. [2024-11-10 22:09:56,686 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 114 transitions, 521 flow [2024-11-10 22:09:56,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 22:09:56,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 22:09:56,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 146 transitions. [2024-11-10 22:09:56,688 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7019230769230769 [2024-11-10 22:09:56,688 INFO L175 Difference]: Start difference. First operand has 60 places, 52 transitions, 151 flow. Second operand 4 states and 146 transitions. [2024-11-10 22:09:56,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 114 transitions, 521 flow [2024-11-10 22:09:56,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 114 transitions, 516 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 22:09:56,710 INFO L231 Difference]: Finished difference. Result has 64 places, 60 transitions, 249 flow [2024-11-10 22:09:56,711 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=249, PETRI_PLACES=64, PETRI_TRANSITIONS=60} [2024-11-10 22:09:56,712 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, 3 predicate places. [2024-11-10 22:09:56,713 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 60 transitions, 249 flow [2024-11-10 22:09:56,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 22:09:56,713 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:09:56,714 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:09:56,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 22:09:56,717 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-10 22:09:56,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:09:56,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1505420840, now seen corresponding path program 1 times [2024-11-10 22:09:56,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:09:56,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932344533] [2024-11-10 22:09:56,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:09:56,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:09:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:09:56,794 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 22:09:56,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:09:56,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932344533] [2024-11-10 22:09:56,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932344533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:09:56,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:09:56,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 22:09:56,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471954887] [2024-11-10 22:09:56,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:09:56,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 22:09:56,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:09:56,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 22:09:56,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 22:09:56,797 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 52 [2024-11-10 22:09:56,798 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 60 transitions, 249 flow. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 22:09:56,798 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:09:56,798 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 52 [2024-11-10 22:09:56,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:10:00,444 INFO L124 PetriNetUnfolderBase]: 45683/60257 cut-off events. [2024-11-10 22:10:00,444 INFO L125 PetriNetUnfolderBase]: For 41010/41010 co-relation queries the response was YES. [2024-11-10 22:10:00,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 144963 conditions, 60257 events. 45683/60257 cut-off events. For 41010/41010 co-relation queries the response was YES. Maximal size of possible extension queue 1560. Compared 345042 event pairs, 13547 based on Foata normal form. 5560/63678 useless extension candidates. Maximal degree in co-relation 144949. Up to 49120 conditions per place. [2024-11-10 22:10:00,722 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 69 selfloop transitions, 5 changer transitions 0/78 dead transitions. [2024-11-10 22:10:00,722 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 78 transitions, 399 flow [2024-11-10 22:10:00,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 22:10:00,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 22:10:00,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 106 transitions. [2024-11-10 22:10:00,725 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5096153846153846 [2024-11-10 22:10:00,725 INFO L175 Difference]: Start difference. First operand has 64 places, 60 transitions, 249 flow. Second operand 4 states and 106 transitions. [2024-11-10 22:10:00,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 78 transitions, 399 flow [2024-11-10 22:10:02,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 78 transitions, 376 flow, removed 4 selfloop flow, removed 3 redundant places. [2024-11-10 22:10:02,307 INFO L231 Difference]: Finished difference. Result has 60 places, 52 transitions, 180 flow [2024-11-10 22:10:02,307 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=180, PETRI_PLACES=60, PETRI_TRANSITIONS=52} [2024-11-10 22:10:02,308 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -1 predicate places. [2024-11-10 22:10:02,308 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 52 transitions, 180 flow [2024-11-10 22:10:02,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 22:10:02,309 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:10:02,309 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] [2024-11-10 22:10:02,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 22:10:02,309 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-10 22:10:02,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:10:02,310 INFO L85 PathProgramCache]: Analyzing trace with hash 85600487, now seen corresponding path program 1 times [2024-11-10 22:10:02,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:10:02,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150478134] [2024-11-10 22:10:02,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:10:02,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:10:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:10:02,420 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 22:10:02,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:10:02,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150478134] [2024-11-10 22:10:02,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150478134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:10:02,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:10:02,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 22:10:02,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581556733] [2024-11-10 22:10:02,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:10:02,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 22:10:02,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:10:02,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 22:10:02,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 22:10:02,424 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 52 [2024-11-10 22:10:02,424 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 52 transitions, 180 flow. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 22:10:02,424 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:10:02,424 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 52 [2024-11-10 22:10:02,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:10:05,468 INFO L124 PetriNetUnfolderBase]: 40835/53705 cut-off events. [2024-11-10 22:10:05,468 INFO L125 PetriNetUnfolderBase]: For 18730/18730 co-relation queries the response was YES. [2024-11-10 22:10:05,545 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123068 conditions, 53705 events. 40835/53705 cut-off events. For 18730/18730 co-relation queries the response was YES. Maximal size of possible extension queue 1518. Compared 302431 event pairs, 8415 based on Foata normal form. 0/53438 useless extension candidates. Maximal degree in co-relation 123055. Up to 21344 conditions per place. [2024-11-10 22:10:05,670 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 115 selfloop transitions, 13 changer transitions 4/136 dead transitions. [2024-11-10 22:10:05,670 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 136 transitions, 640 flow [2024-11-10 22:10:05,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 22:10:05,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 22:10:05,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 176 transitions. [2024-11-10 22:10:05,673 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.676923076923077 [2024-11-10 22:10:05,673 INFO L175 Difference]: Start difference. First operand has 60 places, 52 transitions, 180 flow. Second operand 5 states and 176 transitions. [2024-11-10 22:10:05,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 136 transitions, 640 flow [2024-11-10 22:10:05,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 136 transitions, 634 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 22:10:05,693 INFO L231 Difference]: Finished difference. Result has 63 places, 52 transitions, 216 flow [2024-11-10 22:10:05,693 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=216, PETRI_PLACES=63, PETRI_TRANSITIONS=52} [2024-11-10 22:10:05,694 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, 2 predicate places. [2024-11-10 22:10:05,694 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 52 transitions, 216 flow [2024-11-10 22:10:05,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 22:10:05,694 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:10:05,695 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, 1, 1, 1, 1, 1] [2024-11-10 22:10:05,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 22:10:05,695 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-10 22:10:05,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:10:05,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1695803074, now seen corresponding path program 1 times [2024-11-10 22:10:05,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:10:05,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448091724] [2024-11-10 22:10:05,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:10:05,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:10:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:10:05,848 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 22:10:05,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:10:05,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448091724] [2024-11-10 22:10:05,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448091724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:10:05,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:10:05,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 22:10:05,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362403070] [2024-11-10 22:10:05,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:10:05,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 22:10:05,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:10:05,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 22:10:05,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 22:10:05,854 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 52 [2024-11-10 22:10:05,854 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 52 transitions, 216 flow. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 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 22:10:05,854 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:10:05,854 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 52 [2024-11-10 22:10:05,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:10:09,194 INFO L124 PetriNetUnfolderBase]: 39875/52409 cut-off events. [2024-11-10 22:10:09,194 INFO L125 PetriNetUnfolderBase]: For 31762/31762 co-relation queries the response was YES. [2024-11-10 22:10:09,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 128695 conditions, 52409 events. 39875/52409 cut-off events. For 31762/31762 co-relation queries the response was YES. Maximal size of possible extension queue 1518. Compared 296063 event pairs, 8247 based on Foata normal form. 224/52590 useless extension candidates. Maximal degree in co-relation 128681. Up to 21344 conditions per place. [2024-11-10 22:10:09,296 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 0 selfloop transitions, 0 changer transitions 128/128 dead transitions. [2024-11-10 22:10:09,296 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 128 transitions, 604 flow [2024-11-10 22:10:09,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 22:10:09,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 22:10:09,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 176 transitions. [2024-11-10 22:10:09,297 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5641025641025641 [2024-11-10 22:10:09,297 INFO L175 Difference]: Start difference. First operand has 63 places, 52 transitions, 216 flow. Second operand 6 states and 176 transitions. [2024-11-10 22:10:09,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 128 transitions, 604 flow [2024-11-10 22:10:10,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 128 transitions, 549 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-10 22:10:10,849 INFO L231 Difference]: Finished difference. Result has 58 places, 0 transitions, 0 flow [2024-11-10 22:10:10,849 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=58, PETRI_TRANSITIONS=0} [2024-11-10 22:10:10,850 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places. [2024-11-10 22:10:10,850 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 0 transitions, 0 flow [2024-11-10 22:10:10,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 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 22:10:10,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-11-10 22:10:10,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-11-10 22:10:10,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-11-10 22:10:10,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-11-10 22:10:10,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-11-10 22:10:10,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-11-10 22:10:10,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-11-10 22:10:10,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-11-10 22:10:10,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2024-11-10 22:10:10,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2024-11-10 22:10:10,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-11-10 22:10:10,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-11-10 22:10:10,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-11-10 22:10:10,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-11-10 22:10:10,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-11-10 22:10:10,855 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-11-10 22:10:10,855 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-11-10 22:10:10,855 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-11-10 22:10:10,855 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-11-10 22:10:10,855 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-11-10 22:10:10,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 22:10:10,855 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-10 22:10:10,859 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 22:10:10,859 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 22:10:10,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:10:10 BasicIcfg [2024-11-10 22:10:10,863 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 22:10:10,863 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 22:10:10,863 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 22:10:10,863 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 22:10:10,864 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:09:41" (3/4) ... [2024-11-10 22:10:10,865 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 22:10:10,867 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-10 22:10:10,867 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-10 22:10:10,867 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-10 22:10:10,867 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P3 [2024-11-10 22:10:10,870 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2024-11-10 22:10:10,870 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-10 22:10:10,870 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-10 22:10:10,870 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 22:10:10,930 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 22:10:10,930 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 22:10:10,930 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 22:10:10,931 INFO L158 Benchmark]: Toolchain (without parser) took 30972.18ms. Allocated memory was 184.5MB in the beginning and 14.1GB in the end (delta: 13.9GB). Free memory was 113.6MB in the beginning and 11.7GB in the end (delta: -11.6GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2024-11-10 22:10:10,931 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 184.5MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:10:10,931 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.39ms. Allocated memory is still 184.5MB. Free memory was 113.5MB in the beginning and 141.7MB in the end (delta: -28.3MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-11-10 22:10:10,931 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.99ms. Allocated memory is still 184.5MB. Free memory was 141.7MB in the beginning and 138.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 22:10:10,931 INFO L158 Benchmark]: Boogie Preprocessor took 35.55ms. Allocated memory is still 184.5MB. Free memory was 138.5MB in the beginning and 135.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 22:10:10,931 INFO L158 Benchmark]: IcfgBuilder took 631.30ms. Allocated memory is still 184.5MB. Free memory was 135.5MB in the beginning and 77.7MB in the end (delta: 57.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-10 22:10:10,932 INFO L158 Benchmark]: TraceAbstraction took 29652.80ms. Allocated memory was 184.5MB in the beginning and 14.1GB in the end (delta: 13.9GB). Free memory was 77.7MB in the beginning and 11.7GB in the end (delta: -11.6GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2024-11-10 22:10:10,932 INFO L158 Benchmark]: Witness Printer took 66.92ms. Allocated memory is still 14.1GB. Free memory was 11.7GB in the beginning and 11.7GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 22:10:10,933 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 184.5MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 539.39ms. Allocated memory is still 184.5MB. Free memory was 113.5MB in the beginning and 141.7MB in the end (delta: -28.3MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.99ms. Allocated memory is still 184.5MB. Free memory was 141.7MB in the beginning and 138.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.55ms. Allocated memory is still 184.5MB. Free memory was 138.5MB in the beginning and 135.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 631.30ms. Allocated memory is still 184.5MB. Free memory was 135.5MB in the beginning and 77.7MB in the end (delta: 57.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * TraceAbstraction took 29652.80ms. Allocated memory was 184.5MB in the beginning and 14.1GB in the end (delta: 13.9GB). Free memory was 77.7MB in the beginning and 11.7GB in the end (delta: -11.6GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. * Witness Printer took 66.92ms. Allocated memory is still 14.1GB. Free memory was 11.7GB in the beginning and 11.7GB 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: 760]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 760]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 775]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 775]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 803]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 803]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 839]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 839]: 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 9 procedures, 95 locations, 20 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: 29.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 28.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 347 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 347 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 620 IncrementalHoareTripleChecker+Invalid, 670 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 0 mSDtfsCounter, 620 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=249occurred in iteration=2, InterpolantAutomatonStates: 22, 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, 0.4s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 243 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 22:10:10,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE