./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/mix029_power.opt_pso.opt_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d 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/mix029_power.opt_pso.opt_rmo.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 0b278c8af08551c2e27294e2c5dca8c5bd0f6f00874366f88466c32210c557af --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 14:57:02,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 14:57:02,863 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 14:57:02,867 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 14:57:02,868 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 14:57:02,898 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 14:57:02,899 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 14:57:02,899 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 14:57:02,900 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 14:57:02,903 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 14:57:02,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 14:57:02,903 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 14:57:02,904 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 14:57:02,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 14:57:02,905 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 14:57:02,905 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 14:57:02,906 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 14:57:02,906 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 14:57:02,906 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 14:57:02,906 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 14:57:02,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 14:57:02,907 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 14:57:02,907 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 14:57:02,907 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 14:57:02,907 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 14:57:02,907 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 14:57:02,908 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 14:57:02,908 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 14:57:02,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 14:57:02,908 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 14:57:02,908 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 14:57:02,909 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 14:57:02,909 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 14:57:02,909 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 14:57:02,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:57:02,909 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 14:57:02,909 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 14:57:02,910 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 14:57:02,910 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 14:57:02,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 14:57:02,912 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 14:57:02,912 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 14:57:02,913 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 14:57:02,913 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 14:57:02,913 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b278c8af08551c2e27294e2c5dca8c5bd0f6f00874366f88466c32210c557af [2024-11-09 14:57:03,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 14:57:03,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 14:57:03,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 14:57:03,160 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 14:57:03,160 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 14:57:03,161 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix029_power.opt_pso.opt_rmo.opt.i [2024-11-09 14:57:04,510 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 14:57:04,736 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 14:57:04,737 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix029_power.opt_pso.opt_rmo.opt.i [2024-11-09 14:57:04,753 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/314486cd3/3ea8ea08d36b45a49754a5b9044b7ac6/FLAG324706882 [2024-11-09 14:57:04,776 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/314486cd3/3ea8ea08d36b45a49754a5b9044b7ac6 [2024-11-09 14:57:04,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 14:57:04,781 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 14:57:04,783 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 14:57:04,784 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 14:57:04,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 14:57:04,790 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:57:04" (1/1) ... [2024-11-09 14:57:04,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ed1d3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:04, skipping insertion in model container [2024-11-09 14:57:04,791 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:57:04" (1/1) ... [2024-11-09 14:57:04,842 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 14:57:05,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:57:05,258 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 14:57:05,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:57:05,364 INFO L204 MainTranslator]: Completed translation [2024-11-09 14:57:05,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:05 WrapperNode [2024-11-09 14:57:05,365 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 14:57:05,366 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 14:57:05,366 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 14:57:05,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 14:57:05,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:05" (1/1) ... [2024-11-09 14:57:05,390 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:05" (1/1) ... [2024-11-09 14:57:05,413 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 152 [2024-11-09 14:57:05,417 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 14:57:05,418 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 14:57:05,418 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 14:57:05,418 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 14:57:05,426 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:05" (1/1) ... [2024-11-09 14:57:05,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:05" (1/1) ... [2024-11-09 14:57:05,429 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:05" (1/1) ... [2024-11-09 14:57:05,450 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]. [2024-11-09 14:57:05,450 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:05" (1/1) ... [2024-11-09 14:57:05,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:05" (1/1) ... [2024-11-09 14:57:05,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:05" (1/1) ... [2024-11-09 14:57:05,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:05" (1/1) ... [2024-11-09 14:57:05,463 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:05" (1/1) ... [2024-11-09 14:57:05,464 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:05" (1/1) ... [2024-11-09 14:57:05,466 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 14:57:05,467 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 14:57:05,467 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 14:57:05,467 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 14:57:05,468 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:05" (1/1) ... [2024-11-09 14:57:05,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:57:05,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:57:05,494 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) [2024-11-09 14:57:05,496 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 [2024-11-09 14:57:05,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 14:57:05,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 14:57:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-09 14:57:05,533 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-09 14:57:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-09 14:57:05,533 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-09 14:57:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-09 14:57:05,533 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-09 14:57:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-09 14:57:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-09 14:57:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 14:57:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 14:57:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 14:57:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 14:57:05,536 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 14:57:05,665 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 14:57:05,667 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 14:57:05,944 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 14:57:05,944 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 14:57:06,135 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 14:57:06,135 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 14:57:06,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:57:06 BoogieIcfgContainer [2024-11-09 14:57:06,135 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 14:57:06,137 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 14:57:06,137 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 14:57:06,143 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 14:57:06,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:57:04" (1/3) ... [2024-11-09 14:57:06,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f0f224e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:57:06, skipping insertion in model container [2024-11-09 14:57:06,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:05" (2/3) ... [2024-11-09 14:57:06,148 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f0f224e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:57:06, skipping insertion in model container [2024-11-09 14:57:06,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:57:06" (3/3) ... [2024-11-09 14:57:06,149 INFO L112 eAbstractionObserver]: Analyzing ICFG mix029_power.opt_pso.opt_rmo.opt.i [2024-11-09 14:57:06,174 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 14:57:06,174 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-09 14:57:06,174 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 14:57:06,227 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 14:57:06,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 64 places, 51 transitions, 118 flow [2024-11-09 14:57:06,318 INFO L124 PetriNetUnfolderBase]: 0/47 cut-off events. [2024-11-09 14:57:06,318 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 14:57:06,320 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 125 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. [2024-11-09 14:57:06,320 INFO L82 GeneralOperation]: Start removeDead. Operand has 64 places, 51 transitions, 118 flow [2024-11-09 14:57:06,322 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 47 transitions, 106 flow [2024-11-09 14:57:06,328 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 14:57:06,337 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;@109437fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 14:57:06,341 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-09 14:57:06,346 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 14:57:06,349 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-09 14:57:06,349 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 14:57:06,349 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 14:57:06,350 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:57:06,350 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-09 14:57:06,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:57:06,358 INFO L85 PathProgramCache]: Analyzing trace with hash 905479899, now seen corresponding path program 1 times [2024-11-09 14:57:06,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:57:06,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421889401] [2024-11-09 14:57:06,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:57:06,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:57:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:57:06,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:57:06,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:57:06,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421889401] [2024-11-09 14:57:06,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421889401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:57:06,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:57:06,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 14:57:06,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802835874] [2024-11-09 14:57:06,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:57:06,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 14:57:06,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:57:06,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 14:57:06,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 14:57:06,742 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 51 [2024-11-09 14:57:06,744 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 47 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:57:06,744 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 14:57:06,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 51 [2024-11-09 14:57:06,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 14:57:09,398 INFO L124 PetriNetUnfolderBase]: 19409/26007 cut-off events. [2024-11-09 14:57:09,398 INFO L125 PetriNetUnfolderBase]: For 170/170 co-relation queries the response was YES. [2024-11-09 14:57:09,458 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52333 conditions, 26007 events. 19409/26007 cut-off events. For 170/170 co-relation queries the response was YES. Maximal size of possible extension queue 2066. Compared 169093 event pairs, 8837 based on Foata normal form. 0/18434 useless extension candidates. Maximal degree in co-relation 52321. Up to 25745 conditions per place. [2024-11-09 14:57:09,590 INFO L140 encePairwiseOnDemand]: 38/51 looper letters, 47 selfloop transitions, 5 changer transitions 0/66 dead transitions. [2024-11-09 14:57:09,591 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 66 transitions, 257 flow [2024-11-09 14:57:09,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 14:57:09,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 14:57:09,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 114 transitions. [2024-11-09 14:57:09,602 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7450980392156863 [2024-11-09 14:57:09,604 INFO L175 Difference]: Start difference. First operand has 60 places, 47 transitions, 106 flow. Second operand 3 states and 114 transitions. [2024-11-09 14:57:09,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 66 transitions, 257 flow [2024-11-09 14:57:09,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 66 transitions, 250 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-09 14:57:09,611 INFO L231 Difference]: Finished difference. Result has 59 places, 51 transitions, 149 flow [2024-11-09 14:57:09,613 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=149, PETRI_PLACES=59, PETRI_TRANSITIONS=51} [2024-11-09 14:57:09,615 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -1 predicate places. [2024-11-09 14:57:09,616 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 51 transitions, 149 flow [2024-11-09 14:57:09,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:57:09,616 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 14:57:09,616 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:57:09,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 14:57:09,617 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-09 14:57:09,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:57:09,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1724772947, now seen corresponding path program 1 times [2024-11-09 14:57:09,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:57:09,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374577256] [2024-11-09 14:57:09,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:57:09,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:57:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:57:09,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:57:09,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:57:09,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374577256] [2024-11-09 14:57:09,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374577256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:57:09,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:57:09,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 14:57:09,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021856607] [2024-11-09 14:57:09,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:57:09,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 14:57:09,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:57:09,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 14:57:09,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 14:57:09,733 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 51 [2024-11-09 14:57:09,734 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 51 transitions, 149 flow. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2024-11-09 14:57:09,734 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 14:57:09,734 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 51 [2024-11-09 14:57:09,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 14:57:11,646 INFO L124 PetriNetUnfolderBase]: 9995/13525 cut-off events. [2024-11-09 14:57:11,647 INFO L125 PetriNetUnfolderBase]: For 1071/1071 co-relation queries the response was YES. [2024-11-09 14:57:11,665 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32512 conditions, 13525 events. 9995/13525 cut-off events. For 1071/1071 co-relation queries the response was YES. Maximal size of possible extension queue 996. Compared 83232 event pairs, 3883 based on Foata normal form. 0/11032 useless extension candidates. Maximal degree in co-relation 32501. Up to 13262 conditions per place. [2024-11-09 14:57:11,722 INFO L140 encePairwiseOnDemand]: 42/51 looper letters, 43 selfloop transitions, 5 changer transitions 0/62 dead transitions. [2024-11-09 14:57:11,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 62 transitions, 265 flow [2024-11-09 14:57:11,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 14:57:11,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-09 14:57:11,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 124 transitions. [2024-11-09 14:57:11,725 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6078431372549019 [2024-11-09 14:57:11,725 INFO L175 Difference]: Start difference. First operand has 59 places, 51 transitions, 149 flow. Second operand 4 states and 124 transitions. [2024-11-09 14:57:11,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 62 transitions, 265 flow [2024-11-09 14:57:11,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 62 transitions, 260 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 14:57:11,727 INFO L231 Difference]: Finished difference. Result has 57 places, 47 transitions, 138 flow [2024-11-09 14:57:11,727 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=138, PETRI_PLACES=57, PETRI_TRANSITIONS=47} [2024-11-09 14:57:11,728 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -3 predicate places. [2024-11-09 14:57:11,728 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 47 transitions, 138 flow [2024-11-09 14:57:11,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2024-11-09 14:57:11,728 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 14:57:11,729 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:57:11,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 14:57:11,729 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-09 14:57:11,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:57:11,730 INFO L85 PathProgramCache]: Analyzing trace with hash -78077996, now seen corresponding path program 1 times [2024-11-09 14:57:11,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:57:11,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845900071] [2024-11-09 14:57:11,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:57:11,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:57:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:57:11,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:57:11,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:57:11,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845900071] [2024-11-09 14:57:11,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845900071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:57:11,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:57:11,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 14:57:11,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487935031] [2024-11-09 14:57:11,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:57:11,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 14:57:11,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:57:11,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 14:57:11,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 14:57:11,822 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 51 [2024-11-09 14:57:11,822 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 47 transitions, 138 flow. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2024-11-09 14:57:11,823 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 14:57:11,823 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 51 [2024-11-09 14:57:11,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 14:57:12,711 INFO L124 PetriNetUnfolderBase]: 6873/9447 cut-off events. [2024-11-09 14:57:12,712 INFO L125 PetriNetUnfolderBase]: For 1300/1300 co-relation queries the response was YES. [2024-11-09 14:57:12,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22193 conditions, 9447 events. 6873/9447 cut-off events. For 1300/1300 co-relation queries the response was YES. Maximal size of possible extension queue 626. Compared 55768 event pairs, 1273 based on Foata normal form. 0/8315 useless extension candidates. Maximal degree in co-relation 22181. Up to 7949 conditions per place. [2024-11-09 14:57:12,753 INFO L140 encePairwiseOnDemand]: 42/51 looper letters, 60 selfloop transitions, 9 changer transitions 0/83 dead transitions. [2024-11-09 14:57:12,753 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 83 transitions, 366 flow [2024-11-09 14:57:12,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 14:57:12,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-09 14:57:12,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 145 transitions. [2024-11-09 14:57:12,755 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7107843137254902 [2024-11-09 14:57:12,755 INFO L175 Difference]: Start difference. First operand has 57 places, 47 transitions, 138 flow. Second operand 4 states and 145 transitions. [2024-11-09 14:57:12,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 83 transitions, 366 flow [2024-11-09 14:57:12,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 83 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 14:57:12,757 INFO L231 Difference]: Finished difference. Result has 59 places, 51 transitions, 190 flow [2024-11-09 14:57:12,757 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=132, 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=190, PETRI_PLACES=59, PETRI_TRANSITIONS=51} [2024-11-09 14:57:12,758 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -1 predicate places. [2024-11-09 14:57:12,758 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 51 transitions, 190 flow [2024-11-09 14:57:12,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2024-11-09 14:57:12,758 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 14:57:12,758 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] [2024-11-09 14:57:12,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 14:57:12,759 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-09 14:57:12,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:57:12,759 INFO L85 PathProgramCache]: Analyzing trace with hash 332884679, now seen corresponding path program 1 times [2024-11-09 14:57:12,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:57:12,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663327177] [2024-11-09 14:57:12,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:57:12,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:57:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:57:12,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:57:12,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:57:12,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663327177] [2024-11-09 14:57:12,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663327177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:57:12,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:57:12,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 14:57:12,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636233539] [2024-11-09 14:57:12,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:57:12,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 14:57:12,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:57:12,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 14:57:12,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 14:57:12,922 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 51 [2024-11-09 14:57:12,923 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 51 transitions, 190 flow. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 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) [2024-11-09 14:57:12,923 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 14:57:12,924 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 51 [2024-11-09 14:57:12,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 14:57:13,644 INFO L124 PetriNetUnfolderBase]: 4785/6615 cut-off events. [2024-11-09 14:57:13,644 INFO L125 PetriNetUnfolderBase]: For 3261/3261 co-relation queries the response was YES. [2024-11-09 14:57:13,658 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17728 conditions, 6615 events. 4785/6615 cut-off events. For 3261/3261 co-relation queries the response was YES. Maximal size of possible extension queue 393. Compared 37416 event pairs, 269 based on Foata normal form. 0/6371 useless extension candidates. Maximal degree in co-relation 17715. Up to 2833 conditions per place. [2024-11-09 14:57:13,682 INFO L140 encePairwiseOnDemand]: 42/51 looper letters, 71 selfloop transitions, 13 changer transitions 4/102 dead transitions. [2024-11-09 14:57:13,682 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 102 transitions, 496 flow [2024-11-09 14:57:13,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 14:57:13,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-09 14:57:13,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 182 transitions. [2024-11-09 14:57:13,687 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7137254901960784 [2024-11-09 14:57:13,688 INFO L175 Difference]: Start difference. First operand has 59 places, 51 transitions, 190 flow. Second operand 5 states and 182 transitions. [2024-11-09 14:57:13,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 102 transitions, 496 flow [2024-11-09 14:57:13,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 102 transitions, 478 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-11-09 14:57:13,692 INFO L231 Difference]: Finished difference. Result has 62 places, 51 transitions, 214 flow [2024-11-09 14:57:13,692 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=172, 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=214, PETRI_PLACES=62, PETRI_TRANSITIONS=51} [2024-11-09 14:57:13,693 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 2 predicate places. [2024-11-09 14:57:13,693 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 51 transitions, 214 flow [2024-11-09 14:57:13,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 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) [2024-11-09 14:57:13,693 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 14:57:13,694 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] [2024-11-09 14:57:13,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 14:57:13,694 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-09 14:57:13,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:57:13,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1664979166, now seen corresponding path program 1 times [2024-11-09 14:57:13,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:57:13,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116342534] [2024-11-09 14:57:13,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:57:13,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:57:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:57:13,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:57:13,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:57:13,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116342534] [2024-11-09 14:57:13,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116342534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:57:13,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:57:13,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 14:57:13,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975544051] [2024-11-09 14:57:13,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:57:13,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 14:57:13,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:57:13,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 14:57:13,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 14:57:13,828 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 51 [2024-11-09 14:57:13,828 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 51 transitions, 214 flow. Second operand has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 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) [2024-11-09 14:57:13,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 14:57:13,828 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 51 [2024-11-09 14:57:13,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 14:57:14,619 INFO L124 PetriNetUnfolderBase]: 3969/5511 cut-off events. [2024-11-09 14:57:14,620 INFO L125 PetriNetUnfolderBase]: For 5965/5965 co-relation queries the response was YES. [2024-11-09 14:57:14,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15543 conditions, 5511 events. 3969/5511 cut-off events. For 5965/5965 co-relation queries the response was YES. Maximal size of possible extension queue 379. Compared 32106 event pairs, 125 based on Foata normal form. 192/5651 useless extension candidates. Maximal degree in co-relation 15529. Up to 2284 conditions per place. [2024-11-09 14:57:14,637 INFO L140 encePairwiseOnDemand]: 42/51 looper letters, 0 selfloop transitions, 0 changer transitions 94/94 dead transitions. [2024-11-09 14:57:14,638 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 94 transitions, 448 flow [2024-11-09 14:57:14,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 14:57:14,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 14:57:14,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 192 transitions. [2024-11-09 14:57:14,640 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6274509803921569 [2024-11-09 14:57:14,641 INFO L175 Difference]: Start difference. First operand has 62 places, 51 transitions, 214 flow. Second operand 6 states and 192 transitions. [2024-11-09 14:57:14,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 94 transitions, 448 flow [2024-11-09 14:57:14,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 94 transitions, 393 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-09 14:57:14,720 INFO L231 Difference]: Finished difference. Result has 57 places, 0 transitions, 0 flow [2024-11-09 14:57:14,721 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=127, 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} [2024-11-09 14:57:14,725 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -3 predicate places. [2024-11-09 14:57:14,726 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 0 transitions, 0 flow [2024-11-09 14:57:14,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 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) [2024-11-09 14:57:14,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-11-09 14:57:14,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-11-09 14:57:14,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-11-09 14:57:14,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-11-09 14:57:14,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-11-09 14:57:14,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-11-09 14:57:14,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-11-09 14:57:14,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-11-09 14:57:14,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2024-11-09 14:57:14,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2024-11-09 14:57:14,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-11-09 14:57:14,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-11-09 14:57:14,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-11-09 14:57:14,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-11-09 14:57:14,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-11-09 14:57:14,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-11-09 14:57:14,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-11-09 14:57:14,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-11-09 14:57:14,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-11-09 14:57:14,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-11-09 14:57:14,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 14:57:14,736 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-09 14:57:14,742 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 14:57:14,746 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 14:57:14,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 02:57:14 BasicIcfg [2024-11-09 14:57:14,751 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 14:57:14,752 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 14:57:14,752 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 14:57:14,752 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 14:57:14,753 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:57:06" (3/4) ... [2024-11-09 14:57:14,754 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 14:57:14,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-09 14:57:14,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-09 14:57:14,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-09 14:57:14,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2024-11-09 14:57:14,764 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 96 nodes and edges [2024-11-09 14:57:14,764 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-09 14:57:14,765 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 14:57:14,765 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-09 14:57:14,842 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 14:57:14,842 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 14:57:14,842 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 14:57:14,843 INFO L158 Benchmark]: Toolchain (without parser) took 10062.44ms. Allocated memory was 167.8MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 91.7MB in the beginning and 618.7MB in the end (delta: -527.0MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-09 14:57:14,843 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 167.8MB. Free memory was 118.9MB in the beginning and 118.8MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 14:57:14,846 INFO L158 Benchmark]: CACSL2BoogieTranslator took 581.83ms. Allocated memory was 167.8MB in the beginning and 249.6MB in the end (delta: 81.8MB). Free memory was 91.4MB in the beginning and 203.9MB in the end (delta: -112.5MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2024-11-09 14:57:14,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.31ms. Allocated memory is still 249.6MB. Free memory was 203.9MB in the beginning and 200.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 14:57:14,847 INFO L158 Benchmark]: Boogie Preprocessor took 48.91ms. Allocated memory is still 249.6MB. Free memory was 200.8MB in the beginning and 196.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 14:57:14,847 INFO L158 Benchmark]: RCFGBuilder took 668.52ms. Allocated memory is still 249.6MB. Free memory was 196.6MB in the beginning and 136.8MB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-09 14:57:14,847 INFO L158 Benchmark]: TraceAbstraction took 8614.69ms. Allocated memory was 249.6MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 135.7MB in the beginning and 623.9MB in the end (delta: -488.2MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-09 14:57:14,847 INFO L158 Benchmark]: Witness Printer took 90.32ms. Allocated memory is still 1.8GB. Free memory was 623.9MB in the beginning and 618.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 14:57:14,848 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 167.8MB. Free memory was 118.9MB in the beginning and 118.8MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 581.83ms. Allocated memory was 167.8MB in the beginning and 249.6MB in the end (delta: 81.8MB). Free memory was 91.4MB in the beginning and 203.9MB in the end (delta: -112.5MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.31ms. Allocated memory is still 249.6MB. Free memory was 203.9MB in the beginning and 200.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.91ms. Allocated memory is still 249.6MB. Free memory was 200.8MB in the beginning and 196.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 668.52ms. Allocated memory is still 249.6MB. Free memory was 196.6MB in the beginning and 136.8MB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8614.69ms. Allocated memory was 249.6MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 135.7MB in the beginning and 623.9MB in the end (delta: -488.2MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 90.32ms. Allocated memory is still 1.8GB. Free memory was 623.9MB in the beginning and 618.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 758]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 758]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 778]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 778]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 808]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 808]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 831]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 831]: 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: 8.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 235 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 225 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 451 IncrementalHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 0 mSDtfsCounter, 451 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=214occurred in iteration=4, 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, 0.6s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 240 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! [2024-11-09 14:57:14,874 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