./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix017.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix017.oepc.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 a97b4f259d777d70ea3df756a2f94b2605f52fea9df0872361c6911477a44448 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 23:47:19,504 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 23:47:19,565 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 23:47:19,569 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 23:47:19,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 23:47:19,600 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 23:47:19,600 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 23:47:19,601 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 23:47:19,601 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 23:47:19,602 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 23:47:19,602 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 23:47:19,602 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 23:47:19,603 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 23:47:19,604 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 23:47:19,605 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 23:47:19,605 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 23:47:19,605 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 23:47:19,606 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 23:47:19,606 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 23:47:19,606 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 23:47:19,606 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 23:47:19,610 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 23:47:19,610 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 23:47:19,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 23:47:19,610 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 23:47:19,610 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 23:47:19,610 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 23:47:19,611 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 23:47:19,611 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 23:47:19,611 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 23:47:19,611 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 23:47:19,612 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 23:47:19,612 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 23:47:19,612 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 23:47:19,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:47:19,613 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 23:47:19,613 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 23:47:19,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 23:47:19,613 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 23:47:19,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 23:47:19,613 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 23:47:19,614 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 23:47:19,614 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 23:47:19,614 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 23:47:19,614 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a97b4f259d777d70ea3df756a2f94b2605f52fea9df0872361c6911477a44448 [2024-10-14 23:47:19,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 23:47:19,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 23:47:19,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 23:47:19,856 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 23:47:19,857 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 23:47:19,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix017.oepc.i [2024-10-14 23:47:21,100 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 23:47:21,292 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 23:47:21,294 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix017.oepc.i [2024-10-14 23:47:21,310 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a61e9d92/d8d6944d699249f59aa55ed062da3bc8/FLAGf354017ef [2024-10-14 23:47:21,668 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a61e9d92/d8d6944d699249f59aa55ed062da3bc8 [2024-10-14 23:47:21,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 23:47:21,671 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 23:47:21,677 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 23:47:21,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 23:47:21,681 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 23:47:21,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:47:21" (1/1) ... [2024-10-14 23:47:21,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b32fd92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:21, skipping insertion in model container [2024-10-14 23:47:21,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:47:21" (1/1) ... [2024-10-14 23:47:21,724 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 23:47:22,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:47:22,073 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 23:47:22,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:47:22,153 INFO L204 MainTranslator]: Completed translation [2024-10-14 23:47:22,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:22 WrapperNode [2024-10-14 23:47:22,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 23:47:22,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 23:47:22,154 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 23:47:22,154 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 23:47:22,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:22" (1/1) ... [2024-10-14 23:47:22,183 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:22" (1/1) ... [2024-10-14 23:47:22,217 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 135 [2024-10-14 23:47:22,221 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 23:47:22,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 23:47:22,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 23:47:22,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 23:47:22,231 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:22" (1/1) ... [2024-10-14 23:47:22,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:22" (1/1) ... [2024-10-14 23:47:22,236 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:22" (1/1) ... [2024-10-14 23:47:22,259 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]. [2024-10-14 23:47:22,263 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:22" (1/1) ... [2024-10-14 23:47:22,263 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:22" (1/1) ... [2024-10-14 23:47:22,273 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:22" (1/1) ... [2024-10-14 23:47:22,274 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:22" (1/1) ... [2024-10-14 23:47:22,280 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:22" (1/1) ... [2024-10-14 23:47:22,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:22" (1/1) ... [2024-10-14 23:47:22,288 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 23:47:22,289 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 23:47:22,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 23:47:22,292 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 23:47:22,293 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:22" (1/1) ... [2024-10-14 23:47:22,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:47:22,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:47:22,321 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) [2024-10-14 23:47:22,327 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 [2024-10-14 23:47:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-14 23:47:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 23:47:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-14 23:47:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-14 23:47:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-14 23:47:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-14 23:47:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-14 23:47:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-14 23:47:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-10-14 23:47:22,366 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-10-14 23:47:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 23:47:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-14 23:47:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 23:47:22,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 23:47:22,368 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 23:47:22,470 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 23:47:22,472 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 23:47:22,806 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 23:47:22,806 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 23:47:22,992 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 23:47:22,992 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 23:47:22,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:47:22 BoogieIcfgContainer [2024-10-14 23:47:22,993 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 23:47:22,997 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 23:47:22,997 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 23:47:23,001 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 23:47:23,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:47:21" (1/3) ... [2024-10-14 23:47:23,002 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@416dee73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:47:23, skipping insertion in model container [2024-10-14 23:47:23,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:22" (2/3) ... [2024-10-14 23:47:23,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@416dee73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:47:23, skipping insertion in model container [2024-10-14 23:47:23,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:47:22" (3/3) ... [2024-10-14 23:47:23,007 INFO L112 eAbstractionObserver]: Analyzing ICFG mix017.oepc.i [2024-10-14 23:47:23,026 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 23:47:23,027 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-14 23:47:23,027 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 23:47:23,092 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-14 23:47:23,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 64 places, 51 transitions, 118 flow [2024-10-14 23:47:23,151 INFO L124 PetriNetUnfolderBase]: 0/47 cut-off events. [2024-10-14 23:47:23,152 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 23:47:23,153 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 47 events. 0/47 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 113 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-10-14 23:47:23,153 INFO L82 GeneralOperation]: Start removeDead. Operand has 64 places, 51 transitions, 118 flow [2024-10-14 23:47:23,158 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 47 transitions, 106 flow [2024-10-14 23:47:23,169 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 23:47:23,175 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;@7ce6d2b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 23:47:23,176 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-10-14 23:47:23,181 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 23:47:23,181 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-10-14 23:47:23,181 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 23:47:23,182 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:47:23,182 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:47:23,183 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-10-14 23:47:23,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:47:23,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1630876396, now seen corresponding path program 1 times [2024-10-14 23:47:23,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:47:23,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037277105] [2024-10-14 23:47:23,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:47:23,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:47:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:47:23,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:47:23,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:47:23,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037277105] [2024-10-14 23:47:23,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037277105] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:47:23,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:47:23,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 23:47:23,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50139970] [2024-10-14 23:47:23,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:47:23,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:47:23,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:47:23,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:47:23,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:47:23,609 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 51 [2024-10-14 23:47:23,611 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 47 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-10-14 23:47:23,611 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:47:23,611 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 51 [2024-10-14 23:47:23,612 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:47:25,830 INFO L124 PetriNetUnfolderBase]: 14639/20009 cut-off events. [2024-10-14 23:47:25,831 INFO L125 PetriNetUnfolderBase]: For 157/157 co-relation queries the response was YES. [2024-10-14 23:47:25,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39901 conditions, 20009 events. 14639/20009 cut-off events. For 157/157 co-relation queries the response was YES. Maximal size of possible extension queue 1070. Compared 122052 event pairs, 14639 based on Foata normal form. 0/16160 useless extension candidates. Maximal degree in co-relation 39889. Up to 19512 conditions per place. [2024-10-14 23:47:25,978 INFO L140 encePairwiseOnDemand]: 46/51 looper letters, 29 selfloop transitions, 1 changer transitions 0/43 dead transitions. [2024-10-14 23:47:25,978 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 43 transitions, 158 flow [2024-10-14 23:47:25,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:47:25,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 23:47:25,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 85 transitions. [2024-10-14 23:47:25,989 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5555555555555556 [2024-10-14 23:47:25,991 INFO L175 Difference]: Start difference. First operand has 60 places, 47 transitions, 106 flow. Second operand 3 states and 85 transitions. [2024-10-14 23:47:25,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 43 transitions, 158 flow [2024-10-14 23:47:25,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 43 transitions, 154 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-14 23:47:26,002 INFO L231 Difference]: Finished difference. Result has 54 places, 43 transitions, 96 flow [2024-10-14 23:47:26,003 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=54, PETRI_TRANSITIONS=43} [2024-10-14 23:47:26,011 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -6 predicate places. [2024-10-14 23:47:26,011 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 43 transitions, 96 flow [2024-10-14 23:47:26,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-10-14 23:47:26,012 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:47:26,012 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:47:26,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 23:47:26,012 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-10-14 23:47:26,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:47:26,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1630876397, now seen corresponding path program 1 times [2024-10-14 23:47:26,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:47:26,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440384955] [2024-10-14 23:47:26,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:47:26,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:47:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:47:26,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:47:26,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:47:26,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440384955] [2024-10-14 23:47:26,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440384955] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:47:26,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:47:26,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 23:47:26,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864754007] [2024-10-14 23:47:26,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:47:26,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:47:26,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:47:26,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:47:26,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:47:26,119 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 51 [2024-10-14 23:47:26,120 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 43 transitions, 96 flow. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-10-14 23:47:26,120 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:47:26,120 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 51 [2024-10-14 23:47:26,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:47:27,608 INFO L124 PetriNetUnfolderBase]: 12417/16801 cut-off events. [2024-10-14 23:47:27,609 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 23:47:27,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33805 conditions, 16801 events. 12417/16801 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 904. Compared 100834 event pairs, 4275 based on Foata normal form. 0/14020 useless extension candidates. Maximal degree in co-relation 33799. Up to 16023 conditions per place. [2024-10-14 23:47:27,686 INFO L140 encePairwiseOnDemand]: 42/51 looper letters, 45 selfloop transitions, 5 changer transitions 0/63 dead transitions. [2024-10-14 23:47:27,686 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 63 transitions, 242 flow [2024-10-14 23:47:27,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:47:27,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 23:47:27,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 105 transitions. [2024-10-14 23:47:27,689 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6862745098039216 [2024-10-14 23:47:27,689 INFO L175 Difference]: Start difference. First operand has 54 places, 43 transitions, 96 flow. Second operand 3 states and 105 transitions. [2024-10-14 23:47:27,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 63 transitions, 242 flow [2024-10-14 23:47:27,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 63 transitions, 241 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 23:47:27,692 INFO L231 Difference]: Finished difference. Result has 56 places, 47 transitions, 134 flow [2024-10-14 23:47:27,693 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=134, PETRI_PLACES=56, PETRI_TRANSITIONS=47} [2024-10-14 23:47:27,694 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -4 predicate places. [2024-10-14 23:47:27,694 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 47 transitions, 134 flow [2024-10-14 23:47:27,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-10-14 23:47:27,695 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:47:27,695 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:47:27,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 23:47:27,695 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-10-14 23:47:27,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:47:27,697 INFO L85 PathProgramCache]: Analyzing trace with hash 322575632, now seen corresponding path program 1 times [2024-10-14 23:47:27,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:47:27,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072849506] [2024-10-14 23:47:27,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:47:27,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:47:27,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:47:27,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:47:27,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:47:27,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072849506] [2024-10-14 23:47:27,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072849506] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:47:27,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:47:27,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 23:47:27,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922440836] [2024-10-14 23:47:27,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:47:27,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 23:47:27,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:47:27,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 23:47:27,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 23:47:27,809 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 51 [2024-10-14 23:47:27,810 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 47 transitions, 134 flow. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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) [2024-10-14 23:47:27,810 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:47:27,811 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 51 [2024-10-14 23:47:27,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:47:29,108 INFO L124 PetriNetUnfolderBase]: 8671/11899 cut-off events. [2024-10-14 23:47:29,108 INFO L125 PetriNetUnfolderBase]: For 1068/1068 co-relation queries the response was YES. [2024-10-14 23:47:29,130 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27467 conditions, 11899 events. 8671/11899 cut-off events. For 1068/1068 co-relation queries the response was YES. Maximal size of possible extension queue 593. Compared 69594 event pairs, 1503 based on Foata normal form. 0/10715 useless extension candidates. Maximal degree in co-relation 27459. Up to 8721 conditions per place. [2024-10-14 23:47:29,169 INFO L140 encePairwiseOnDemand]: 42/51 looper letters, 63 selfloop transitions, 9 changer transitions 0/85 dead transitions. [2024-10-14 23:47:29,170 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 85 transitions, 372 flow [2024-10-14 23:47:29,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 23:47:29,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-14 23:47:29,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 144 transitions. [2024-10-14 23:47:29,172 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7058823529411765 [2024-10-14 23:47:29,173 INFO L175 Difference]: Start difference. First operand has 56 places, 47 transitions, 134 flow. Second operand 4 states and 144 transitions. [2024-10-14 23:47:29,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 85 transitions, 372 flow [2024-10-14 23:47:29,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 85 transitions, 367 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 23:47:29,175 INFO L231 Difference]: Finished difference. Result has 59 places, 51 transitions, 187 flow [2024-10-14 23:47:29,176 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=187, PETRI_PLACES=59, PETRI_TRANSITIONS=51} [2024-10-14 23:47:29,177 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -1 predicate places. [2024-10-14 23:47:29,177 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 51 transitions, 187 flow [2024-10-14 23:47:29,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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) [2024-10-14 23:47:29,177 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:47:29,178 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] [2024-10-14 23:47:29,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 23:47:29,178 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-10-14 23:47:29,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:47:29,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1665880933, now seen corresponding path program 1 times [2024-10-14 23:47:29,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:47:29,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537763515] [2024-10-14 23:47:29,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:47:29,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:47:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:47:29,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:47:29,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:47:29,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537763515] [2024-10-14 23:47:29,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537763515] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:47:29,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:47:29,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 23:47:29,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21620026] [2024-10-14 23:47:29,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:47:29,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 23:47:29,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:47:29,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 23:47:29,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:47:29,293 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 51 [2024-10-14 23:47:29,294 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 51 transitions, 187 flow. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 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) [2024-10-14 23:47:29,294 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:47:29,294 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 51 [2024-10-14 23:47:29,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:47:30,328 INFO L124 PetriNetUnfolderBase]: 6607/9091 cut-off events. [2024-10-14 23:47:30,328 INFO L125 PetriNetUnfolderBase]: For 4236/4236 co-relation queries the response was YES. [2024-10-14 23:47:30,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23277 conditions, 9091 events. 6607/9091 cut-off events. For 4236/4236 co-relation queries the response was YES. Maximal size of possible extension queue 474. Compared 52314 event pairs, 563 based on Foata normal form. 0/8775 useless extension candidates. Maximal degree in co-relation 23267. Up to 3176 conditions per place. [2024-10-14 23:47:30,394 INFO L140 encePairwiseOnDemand]: 42/51 looper letters, 75 selfloop transitions, 13 changer transitions 4/105 dead transitions. [2024-10-14 23:47:30,394 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 105 transitions, 507 flow [2024-10-14 23:47:30,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 23:47:30,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-14 23:47:30,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 181 transitions. [2024-10-14 23:47:30,397 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7098039215686275 [2024-10-14 23:47:30,397 INFO L175 Difference]: Start difference. First operand has 59 places, 51 transitions, 187 flow. Second operand 5 states and 181 transitions. [2024-10-14 23:47:30,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 105 transitions, 507 flow [2024-10-14 23:47:30,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 105 transitions, 489 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-10-14 23:47:30,408 INFO L231 Difference]: Finished difference. Result has 62 places, 51 transitions, 211 flow [2024-10-14 23:47:30,409 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=169, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=211, PETRI_PLACES=62, PETRI_TRANSITIONS=51} [2024-10-14 23:47:30,410 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 2 predicate places. [2024-10-14 23:47:30,410 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 51 transitions, 211 flow [2024-10-14 23:47:30,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 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) [2024-10-14 23:47:30,411 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:47:30,411 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] [2024-10-14 23:47:30,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 23:47:30,411 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-10-14 23:47:30,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:47:30,413 INFO L85 PathProgramCache]: Analyzing trace with hash -179353290, now seen corresponding path program 1 times [2024-10-14 23:47:30,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:47:30,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720157339] [2024-10-14 23:47:30,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:47:30,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:47:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:47:30,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:47:30,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:47:30,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720157339] [2024-10-14 23:47:30,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720157339] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:47:30,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:47:30,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 23:47:30,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246913564] [2024-10-14 23:47:30,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:47:30,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 23:47:30,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:47:30,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 23:47:30,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 23:47:30,634 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 51 [2024-10-14 23:47:30,635 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 51 transitions, 211 flow. Second operand has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:47:30,635 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:47:30,635 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 51 [2024-10-14 23:47:30,635 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:47:31,416 INFO L124 PetriNetUnfolderBase]: 5935/8179 cut-off events. [2024-10-14 23:47:31,416 INFO L125 PetriNetUnfolderBase]: For 7332/7332 co-relation queries the response was YES. [2024-10-14 23:47:31,435 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21602 conditions, 8179 events. 5935/8179 cut-off events. For 7332/7332 co-relation queries the response was YES. Maximal size of possible extension queue 474. Compared 47807 event pairs, 443 based on Foata normal form. 160/8183 useless extension candidates. Maximal degree in co-relation 21591. Up to 3176 conditions per place. [2024-10-14 23:47:31,443 INFO L140 encePairwiseOnDemand]: 42/51 looper letters, 0 selfloop transitions, 0 changer transitions 97/97 dead transitions. [2024-10-14 23:47:31,443 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 97 transitions, 459 flow [2024-10-14 23:47:31,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 23:47:31,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 23:47:31,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 190 transitions. [2024-10-14 23:47:31,444 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6209150326797386 [2024-10-14 23:47:31,444 INFO L175 Difference]: Start difference. First operand has 62 places, 51 transitions, 211 flow. Second operand 6 states and 190 transitions. [2024-10-14 23:47:31,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 97 transitions, 459 flow [2024-10-14 23:47:31,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 97 transitions, 404 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-10-14 23:47:31,507 INFO L231 Difference]: Finished difference. Result has 57 places, 0 transitions, 0 flow [2024-10-14 23:47:31,507 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=57, PETRI_TRANSITIONS=0} [2024-10-14 23:47:31,508 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -3 predicate places. [2024-10-14 23:47:31,509 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 0 transitions, 0 flow [2024-10-14 23:47:31,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:47:31,512 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-10-14 23:47:31,512 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-10-14 23:47:31,512 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-10-14 23:47:31,512 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-10-14 23:47:31,513 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-10-14 23:47:31,513 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-10-14 23:47:31,513 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-10-14 23:47:31,513 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-10-14 23:47:31,513 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2024-10-14 23:47:31,513 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2024-10-14 23:47:31,513 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-10-14 23:47:31,513 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-10-14 23:47:31,513 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-10-14 23:47:31,513 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-10-14 23:47:31,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-10-14 23:47:31,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-10-14 23:47:31,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-10-14 23:47:31,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-10-14 23:47:31,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-10-14 23:47:31,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-10-14 23:47:31,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 23:47:31,514 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-14 23:47:31,520 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-14 23:47:31,520 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 23:47:31,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:47:31 BasicIcfg [2024-10-14 23:47:31,525 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 23:47:31,525 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 23:47:31,525 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 23:47:31,525 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 23:47:31,526 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:47:22" (3/4) ... [2024-10-14 23:47:31,527 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 23:47:31,529 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-14 23:47:31,529 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-14 23:47:31,530 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-14 23:47:31,530 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2024-10-14 23:47:31,534 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 81 nodes and edges [2024-10-14 23:47:31,534 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-14 23:47:31,535 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 23:47:31,535 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 23:47:31,606 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 23:47:31,606 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 23:47:31,608 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 23:47:31,608 INFO L158 Benchmark]: Toolchain (without parser) took 9937.20ms. Allocated memory was 172.0MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 102.2MB in the beginning and 906.0MB in the end (delta: -803.8MB). Peak memory consumption was 838.2MB. Max. memory is 16.1GB. [2024-10-14 23:47:31,608 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 119.5MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 23:47:31,609 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.97ms. Allocated memory is still 172.0MB. Free memory was 102.2MB in the beginning and 76.6MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-14 23:47:31,609 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.77ms. Allocated memory is still 172.0MB. Free memory was 76.3MB in the beginning and 73.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 23:47:31,609 INFO L158 Benchmark]: Boogie Preprocessor took 66.39ms. Allocated memory is still 172.0MB. Free memory was 73.8MB in the beginning and 69.8MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 23:47:31,609 INFO L158 Benchmark]: RCFGBuilder took 704.56ms. Allocated memory is still 172.0MB. Free memory was 69.8MB in the beginning and 92.5MB in the end (delta: -22.7MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2024-10-14 23:47:31,609 INFO L158 Benchmark]: TraceAbstraction took 8528.30ms. Allocated memory was 172.0MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 91.6MB in the beginning and 911.2MB in the end (delta: -819.6MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-10-14 23:47:31,609 INFO L158 Benchmark]: Witness Printer took 82.44ms. Allocated memory is still 1.8GB. Free memory was 911.2MB in the beginning and 906.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-14 23:47:31,610 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91ms. Allocated memory is still 119.5MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.97ms. Allocated memory is still 172.0MB. Free memory was 102.2MB in the beginning and 76.6MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.77ms. Allocated memory is still 172.0MB. Free memory was 76.3MB in the beginning and 73.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.39ms. Allocated memory is still 172.0MB. Free memory was 73.8MB in the beginning and 69.8MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 704.56ms. Allocated memory is still 172.0MB. Free memory was 69.8MB in the beginning and 92.5MB in the end (delta: -22.7MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * TraceAbstraction took 8528.30ms. Allocated memory was 172.0MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 91.6MB in the beginning and 911.2MB in the end (delta: -819.6MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 82.44ms. Allocated memory is still 1.8GB. Free memory was 911.2MB in the beginning and 906.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 777]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 777]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 797]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 797]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 817]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 817]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 853]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 853]: 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, 93 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: 8.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 285 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 275 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 381 IncrementalHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 1 mSDtfsCounter, 381 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=211occurred in iteration=4, InterpolantAutomatonStates: 21, 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, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 73 ConstructedInterpolants, 0 QuantifiedInterpolants, 219 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! [2024-10-14 23:47:31,632 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