./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/mix036_pso.opt_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/pthread-wmm/mix036_pso.opt_tso.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 eb5b5f76ea992c17ebcf5a0e506a820a4d574c4d0723905971e2f5f6725ae203 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 01:44:18,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 01:44:18,326 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-23 01:44:18,332 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 01:44:18,332 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 01:44:18,358 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 01:44:18,359 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 01:44:18,360 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 01:44:18,360 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 01:44:18,361 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 01:44:18,362 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 01:44:18,362 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 01:44:18,363 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 01:44:18,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 01:44:18,365 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 01:44:18,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 01:44:18,365 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 01:44:18,365 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 01:44:18,366 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 01:44:18,366 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 01:44:18,368 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 01:44:18,369 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 01:44:18,369 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 01:44:18,369 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 01:44:18,369 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 01:44:18,370 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 01:44:18,370 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 01:44:18,370 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 01:44:18,370 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 01:44:18,370 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 01:44:18,371 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 01:44:18,371 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 01:44:18,371 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 01:44:18,371 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 01:44:18,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:44:18,372 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 01:44:18,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 01:44:18,372 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 01:44:18,372 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 01:44:18,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 01:44:18,373 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 01:44:18,373 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 01:44:18,373 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 01:44:18,374 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 01:44:18,374 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb5b5f76ea992c17ebcf5a0e506a820a4d574c4d0723905971e2f5f6725ae203 [2024-11-23 01:44:18,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 01:44:18,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 01:44:18,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 01:44:18,602 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 01:44:18,603 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 01:44:18,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix036_pso.opt_tso.opt.i [2024-11-23 01:44:20,022 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 01:44:20,254 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 01:44:20,254 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix036_pso.opt_tso.opt.i [2024-11-23 01:44:20,269 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9a950b22/7fc65413df1f4a4790762af363a683c9/FLAGd5047eb66 [2024-11-23 01:44:20,590 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9a950b22/7fc65413df1f4a4790762af363a683c9 [2024-11-23 01:44:20,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 01:44:20,593 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 01:44:20,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 01:44:20,594 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 01:44:20,602 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 01:44:20,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:20" (1/1) ... [2024-11-23 01:44:20,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@476db818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:20, skipping insertion in model container [2024-11-23 01:44:20,604 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:20" (1/1) ... [2024-11-23 01:44:20,639 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 01:44:21,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:44:21,058 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 01:44:21,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:44:21,159 INFO L204 MainTranslator]: Completed translation [2024-11-23 01:44:21,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:21 WrapperNode [2024-11-23 01:44:21,162 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 01:44:21,163 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 01:44:21,163 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 01:44:21,163 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 01:44:21,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:21" (1/1) ... [2024-11-23 01:44:21,183 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:21" (1/1) ... [2024-11-23 01:44:21,211 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 142 [2024-11-23 01:44:21,215 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 01:44:21,216 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 01:44:21,216 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 01:44:21,216 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 01:44:21,231 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:21" (1/1) ... [2024-11-23 01:44:21,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:21" (1/1) ... [2024-11-23 01:44:21,235 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:21" (1/1) ... [2024-11-23 01:44:21,267 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]. [2024-11-23 01:44:21,271 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:21" (1/1) ... [2024-11-23 01:44:21,271 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:21" (1/1) ... [2024-11-23 01:44:21,278 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:21" (1/1) ... [2024-11-23 01:44:21,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:21" (1/1) ... [2024-11-23 01:44:21,290 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:21" (1/1) ... [2024-11-23 01:44:21,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:21" (1/1) ... [2024-11-23 01:44:21,302 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 01:44:21,303 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 01:44:21,303 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 01:44:21,303 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 01:44:21,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:21" (1/1) ... [2024-11-23 01:44:21,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:44:21,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:44:21,355 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) [2024-11-23 01:44:21,358 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 [2024-11-23 01:44:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-23 01:44:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 01:44:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-23 01:44:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-23 01:44:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-23 01:44:21,404 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-23 01:44:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-23 01:44:21,404 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-23 01:44:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-23 01:44:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-23 01:44:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 01:44:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-23 01:44:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 01:44:21,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 01:44:21,407 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 01:44:21,544 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 01:44:21,546 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 01:44:21,846 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 01:44:21,846 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 01:44:21,998 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 01:44:21,998 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 01:44:21,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:21 BoogieIcfgContainer [2024-11-23 01:44:21,999 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 01:44:22,001 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 01:44:22,001 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 01:44:22,004 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 01:44:22,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:44:20" (1/3) ... [2024-11-23 01:44:22,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@709776d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:44:22, skipping insertion in model container [2024-11-23 01:44:22,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:21" (2/3) ... [2024-11-23 01:44:22,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@709776d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:44:22, skipping insertion in model container [2024-11-23 01:44:22,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:21" (3/3) ... [2024-11-23 01:44:22,007 INFO L112 eAbstractionObserver]: Analyzing ICFG mix036_pso.opt_tso.opt.i [2024-11-23 01:44:22,020 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 01:44:22,020 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-23 01:44:22,020 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 01:44:22,079 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-23 01:44:22,110 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 52 transitions, 120 flow [2024-11-23 01:44:22,135 INFO L124 PetriNetUnfolderBase]: 0/48 cut-off events. [2024-11-23 01:44:22,135 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 01:44:22,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 48 events. 0/48 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 114 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-23 01:44:22,138 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 52 transitions, 120 flow [2024-11-23 01:44:22,140 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 61 places, 48 transitions, 108 flow [2024-11-23 01:44:22,150 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 01:44:22,156 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;@3920a606, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 01:44:22,156 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-23 01:44:22,182 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 01:44:22,184 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-23 01:44:22,184 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 01:44:22,184 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:44:22,185 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:44:22,185 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-23 01:44:22,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:44:22,191 INFO L85 PathProgramCache]: Analyzing trace with hash 554890293, now seen corresponding path program 1 times [2024-11-23 01:44:22,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:44:22,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820647654] [2024-11-23 01:44:22,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:44:22,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:44:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:44:22,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:44:22,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:44:22,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820647654] [2024-11-23 01:44:22,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820647654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:44:22,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:44:22,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-23 01:44:22,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931350193] [2024-11-23 01:44:22,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:44:22,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 01:44:22,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:44:22,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 01:44:22,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:44:22,444 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 52 [2024-11-23 01:44:22,445 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 48 transitions, 108 flow. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2024-11-23 01:44:22,446 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:44:22,446 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 52 [2024-11-23 01:44:22,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:44:24,604 INFO L124 PetriNetUnfolderBase]: 13498/18182 cut-off events. [2024-11-23 01:44:24,604 INFO L125 PetriNetUnfolderBase]: For 132/132 co-relation queries the response was YES. [2024-11-23 01:44:24,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36613 conditions, 18182 events. 13498/18182 cut-off events. For 132/132 co-relation queries the response was YES. Maximal size of possible extension queue 1608. Compared 121473 event pairs, 6710 based on Foata normal form. 0/12500 useless extension candidates. Maximal degree in co-relation 36601. Up to 18081 conditions per place. [2024-11-23 01:44:24,744 INFO L140 encePairwiseOnDemand]: 39/52 looper letters, 43 selfloop transitions, 5 changer transitions 0/65 dead transitions. [2024-11-23 01:44:24,744 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 65 transitions, 247 flow [2024-11-23 01:44:24,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 01:44:24,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 01:44:24,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 119 transitions. [2024-11-23 01:44:24,757 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7628205128205128 [2024-11-23 01:44:24,758 INFO L175 Difference]: Start difference. First operand has 61 places, 48 transitions, 108 flow. Second operand 3 states and 119 transitions. [2024-11-23 01:44:24,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 65 transitions, 247 flow [2024-11-23 01:44:24,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 65 transitions, 240 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-23 01:44:24,765 INFO L231 Difference]: Finished difference. Result has 60 places, 52 transitions, 151 flow [2024-11-23 01:44:24,768 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=151, PETRI_PLACES=60, PETRI_TRANSITIONS=52} [2024-11-23 01:44:24,773 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -1 predicate places. [2024-11-23 01:44:24,774 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 52 transitions, 151 flow [2024-11-23 01:44:24,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2024-11-23 01:44:24,774 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:44:24,774 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:44:24,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 01:44:24,775 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-23 01:44:24,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:44:24,776 INFO L85 PathProgramCache]: Analyzing trace with hash 344445317, now seen corresponding path program 1 times [2024-11-23 01:44:24,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:44:24,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666897249] [2024-11-23 01:44:24,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:44:24,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:44:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:44:24,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:44:24,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:44:24,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666897249] [2024-11-23 01:44:24,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666897249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:44:24,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:44:24,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 01:44:24,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424498010] [2024-11-23 01:44:24,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:44:24,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:44:24,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:44:24,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:44:24,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:44:24,945 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 52 [2024-11-23 01:44:24,945 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 52 transitions, 151 flow. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2024-11-23 01:44:24,946 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:44:24,946 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 52 [2024-11-23 01:44:24,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:44:25,785 INFO L124 PetriNetUnfolderBase]: 6591/8985 cut-off events. [2024-11-23 01:44:25,785 INFO L125 PetriNetUnfolderBase]: For 775/775 co-relation queries the response was YES. [2024-11-23 01:44:25,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21896 conditions, 8985 events. 6591/8985 cut-off events. For 775/775 co-relation queries the response was YES. Maximal size of possible extension queue 697. Compared 55535 event pairs, 2855 based on Foata normal form. 0/7179 useless extension candidates. Maximal degree in co-relation 21885. Up to 8883 conditions per place. [2024-11-23 01:44:25,842 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 39 selfloop transitions, 5 changer transitions 0/61 dead transitions. [2024-11-23 01:44:25,843 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 61 transitions, 255 flow [2024-11-23 01:44:25,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:44:25,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-23 01:44:25,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 132 transitions. [2024-11-23 01:44:25,845 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6346153846153846 [2024-11-23 01:44:25,845 INFO L175 Difference]: Start difference. First operand has 60 places, 52 transitions, 151 flow. Second operand 4 states and 132 transitions. [2024-11-23 01:44:25,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 61 transitions, 255 flow [2024-11-23 01:44:25,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 61 transitions, 250 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 01:44:25,847 INFO L231 Difference]: Finished difference. Result has 58 places, 48 transitions, 140 flow [2024-11-23 01:44:25,847 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=140, PETRI_PLACES=58, PETRI_TRANSITIONS=48} [2024-11-23 01:44:25,848 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places. [2024-11-23 01:44:25,848 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 48 transitions, 140 flow [2024-11-23 01:44:25,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2024-11-23 01:44:25,848 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:44:25,848 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:44:25,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 01:44:25,849 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-23 01:44:25,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:44:25,849 INFO L85 PathProgramCache]: Analyzing trace with hash 344445318, now seen corresponding path program 1 times [2024-11-23 01:44:25,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:44:25,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244517970] [2024-11-23 01:44:25,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:44:25,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:44:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:44:25,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:44:25,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:44:25,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244517970] [2024-11-23 01:44:25,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244517970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:44:25,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:44:25,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 01:44:25,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083517278] [2024-11-23 01:44:25,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:44:25,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:44:25,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:44:25,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:44:25,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:44:25,910 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 52 [2024-11-23 01:44:25,911 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 48 transitions, 140 flow. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2024-11-23 01:44:25,911 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:44:25,911 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 52 [2024-11-23 01:44:25,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:44:26,530 INFO L124 PetriNetUnfolderBase]: 4522/6274 cut-off events. [2024-11-23 01:44:26,530 INFO L125 PetriNetUnfolderBase]: For 851/851 co-relation queries the response was YES. [2024-11-23 01:44:26,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14915 conditions, 6274 events. 4522/6274 cut-off events. For 851/851 co-relation queries the response was YES. Maximal size of possible extension queue 486. Compared 37167 event pairs, 942 based on Foata normal form. 0/5412 useless extension candidates. Maximal degree in co-relation 14903. Up to 5625 conditions per place. [2024-11-23 01:44:26,561 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 54 selfloop transitions, 9 changer transitions 0/80 dead transitions. [2024-11-23 01:44:26,561 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 80 transitions, 348 flow [2024-11-23 01:44:26,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:44:26,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-23 01:44:26,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 151 transitions. [2024-11-23 01:44:26,564 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7259615384615384 [2024-11-23 01:44:26,564 INFO L175 Difference]: Start difference. First operand has 58 places, 48 transitions, 140 flow. Second operand 4 states and 151 transitions. [2024-11-23 01:44:26,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 80 transitions, 348 flow [2024-11-23 01:44:26,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 80 transitions, 342 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 01:44:26,566 INFO L231 Difference]: Finished difference. Result has 60 places, 52 transitions, 192 flow [2024-11-23 01:44:26,570 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=192, PETRI_PLACES=60, PETRI_TRANSITIONS=52} [2024-11-23 01:44:26,574 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -1 predicate places. [2024-11-23 01:44:26,574 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 52 transitions, 192 flow [2024-11-23 01:44:26,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2024-11-23 01:44:26,575 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:44:26,575 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] [2024-11-23 01:44:26,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 01:44:26,575 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-23 01:44:26,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:44:26,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1094218941, now seen corresponding path program 1 times [2024-11-23 01:44:26,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:44:26,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451489264] [2024-11-23 01:44:26,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:44:26,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:44:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:44:26,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:44:26,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:44:26,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451489264] [2024-11-23 01:44:26,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451489264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:44:26,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:44:26,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:44:26,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863776999] [2024-11-23 01:44:26,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:44:26,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 01:44:26,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:44:26,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 01:44:26,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-23 01:44:26,809 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 52 [2024-11-23 01:44:26,809 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 52 transitions, 192 flow. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 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) [2024-11-23 01:44:26,809 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:44:26,809 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 52 [2024-11-23 01:44:26,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:44:27,265 INFO L124 PetriNetUnfolderBase]: 2962/4150 cut-off events. [2024-11-23 01:44:27,265 INFO L125 PetriNetUnfolderBase]: For 2076/2076 co-relation queries the response was YES. [2024-11-23 01:44:27,275 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11345 conditions, 4150 events. 2962/4150 cut-off events. For 2076/2076 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 22874 event pairs, 152 based on Foata normal form. 0/3972 useless extension candidates. Maximal degree in co-relation 11332. Up to 2161 conditions per place. [2024-11-23 01:44:27,290 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 63 selfloop transitions, 13 changer transitions 4/97 dead transitions. [2024-11-23 01:44:27,290 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 97 transitions, 470 flow [2024-11-23 01:44:27,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 01:44:27,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-23 01:44:27,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 189 transitions. [2024-11-23 01:44:27,292 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7269230769230769 [2024-11-23 01:44:27,292 INFO L175 Difference]: Start difference. First operand has 60 places, 52 transitions, 192 flow. Second operand 5 states and 189 transitions. [2024-11-23 01:44:27,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 97 transitions, 470 flow [2024-11-23 01:44:27,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 97 transitions, 452 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-11-23 01:44:27,295 INFO L231 Difference]: Finished difference. Result has 63 places, 52 transitions, 216 flow [2024-11-23 01:44:27,296 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=216, PETRI_PLACES=63, PETRI_TRANSITIONS=52} [2024-11-23 01:44:27,296 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, 2 predicate places. [2024-11-23 01:44:27,296 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 52 transitions, 216 flow [2024-11-23 01:44:27,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 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) [2024-11-23 01:44:27,297 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:44:27,297 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:44:27,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 01:44:27,297 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-23 01:44:27,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:44:27,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1284899593, now seen corresponding path program 1 times [2024-11-23 01:44:27,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:44:27,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724093580] [2024-11-23 01:44:27,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:44:27,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:44:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:44:27,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:44:27,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:44:27,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724093580] [2024-11-23 01:44:27,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724093580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:44:27,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:44:27,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 01:44:27,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077753332] [2024-11-23 01:44:27,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:44:27,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 01:44:27,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:44:27,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 01:44:27,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 01:44:27,422 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 52 [2024-11-23 01:44:27,422 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 52 transitions, 216 flow. Second operand has 6 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 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) [2024-11-23 01:44:27,422 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:44:27,422 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 52 [2024-11-23 01:44:27,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:44:27,771 INFO L124 PetriNetUnfolderBase]: 2290/3238 cut-off events. [2024-11-23 01:44:27,772 INFO L125 PetriNetUnfolderBase]: For 3964/3964 co-relation queries the response was YES. [2024-11-23 01:44:27,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9491 conditions, 3238 events. 2290/3238 cut-off events. For 3964/3964 co-relation queries the response was YES. Maximal size of possible extension queue 238. Compared 18168 event pairs, 32 based on Foata normal form. 160/3380 useless extension candidates. Maximal degree in co-relation 9477. Up to 1340 conditions per place. [2024-11-23 01:44:27,783 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 0 selfloop transitions, 0 changer transitions 89/89 dead transitions. [2024-11-23 01:44:27,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 89 transitions, 422 flow [2024-11-23 01:44:27,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 01:44:27,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-23 01:44:27,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 202 transitions. [2024-11-23 01:44:27,785 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6474358974358975 [2024-11-23 01:44:27,785 INFO L175 Difference]: Start difference. First operand has 63 places, 52 transitions, 216 flow. Second operand 6 states and 202 transitions. [2024-11-23 01:44:27,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 89 transitions, 422 flow [2024-11-23 01:44:27,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 89 transitions, 367 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-23 01:44:27,797 INFO L231 Difference]: Finished difference. Result has 58 places, 0 transitions, 0 flow [2024-11-23 01:44:27,798 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=58, PETRI_TRANSITIONS=0} [2024-11-23 01:44:27,798 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places. [2024-11-23 01:44:27,798 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 0 transitions, 0 flow [2024-11-23 01:44:27,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 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) [2024-11-23 01:44:27,802 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-11-23 01:44:27,802 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-11-23 01:44:27,802 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-11-23 01:44:27,802 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-11-23 01:44:27,802 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-11-23 01:44:27,803 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-11-23 01:44:27,803 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-11-23 01:44:27,803 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-11-23 01:44:27,803 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2024-11-23 01:44:27,803 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2024-11-23 01:44:27,803 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-11-23 01:44:27,804 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-11-23 01:44:27,804 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-11-23 01:44:27,804 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-11-23 01:44:27,804 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-11-23 01:44:27,804 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-11-23 01:44:27,804 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-11-23 01:44:27,804 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-11-23 01:44:27,805 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-11-23 01:44:27,805 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-11-23 01:44:27,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 01:44:27,805 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-23 01:44:27,809 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 01:44:27,810 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 01:44:27,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:44:27 BasicIcfg [2024-11-23 01:44:27,816 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 01:44:27,816 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 01:44:27,817 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 01:44:27,817 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 01:44:27,817 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:21" (3/4) ... [2024-11-23 01:44:27,818 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-23 01:44:27,821 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-23 01:44:27,821 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-23 01:44:27,821 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-23 01:44:27,821 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2024-11-23 01:44:27,826 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 82 nodes and edges [2024-11-23 01:44:27,827 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-23 01:44:27,827 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-23 01:44:27,827 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-23 01:44:27,914 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-23 01:44:27,914 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-23 01:44:27,915 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 01:44:27,915 INFO L158 Benchmark]: Toolchain (without parser) took 7321.96ms. Allocated memory was 167.8MB in the beginning and 820.0MB in the end (delta: 652.2MB). Free memory was 95.9MB in the beginning and 206.4MB in the end (delta: -110.6MB). Peak memory consumption was 543.1MB. Max. memory is 16.1GB. [2024-11-23 01:44:27,915 INFO L158 Benchmark]: CDTParser took 0.96ms. Allocated memory is still 167.8MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 01:44:27,916 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.52ms. Allocated memory is still 167.8MB. Free memory was 95.7MB in the beginning and 125.8MB in the end (delta: -30.1MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-11-23 01:44:27,916 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.29ms. Allocated memory is still 167.8MB. Free memory was 125.8MB in the beginning and 123.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 01:44:27,916 INFO L158 Benchmark]: Boogie Preprocessor took 86.29ms. Allocated memory is still 167.8MB. Free memory was 123.1MB in the beginning and 119.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-23 01:44:27,916 INFO L158 Benchmark]: RCFGBuilder took 696.33ms. Allocated memory is still 167.8MB. Free memory was 119.6MB in the beginning and 66.5MB in the end (delta: 53.0MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-11-23 01:44:27,916 INFO L158 Benchmark]: TraceAbstraction took 5814.85ms. Allocated memory was 167.8MB in the beginning and 820.0MB in the end (delta: 652.2MB). Free memory was 65.9MB in the beginning and 211.7MB in the end (delta: -145.8MB). Peak memory consumption was 508.3MB. Max. memory is 16.1GB. [2024-11-23 01:44:27,917 INFO L158 Benchmark]: Witness Printer took 98.24ms. Allocated memory is still 820.0MB. Free memory was 211.7MB in the beginning and 206.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-23 01:44:27,918 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.96ms. Allocated memory is still 167.8MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 568.52ms. Allocated memory is still 167.8MB. Free memory was 95.7MB in the beginning and 125.8MB in the end (delta: -30.1MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.29ms. Allocated memory is still 167.8MB. Free memory was 125.8MB in the beginning and 123.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.29ms. Allocated memory is still 167.8MB. Free memory was 123.1MB in the beginning and 119.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 696.33ms. Allocated memory is still 167.8MB. Free memory was 119.6MB in the beginning and 66.5MB in the end (delta: 53.0MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * TraceAbstraction took 5814.85ms. Allocated memory was 167.8MB in the beginning and 820.0MB in the end (delta: 652.2MB). Free memory was 65.9MB in the beginning and 211.7MB in the end (delta: -145.8MB). Peak memory consumption was 508.3MB. Max. memory is 16.1GB. * Witness Printer took 98.24ms. Allocated memory is still 820.0MB. Free memory was 211.7MB in the beginning and 206.4MB 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: 764]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 764]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 779]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 779]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 807]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 807]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 843]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 843]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 95 locations, 20 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 205 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 195 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 415 IncrementalHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 0 mSDtfsCounter, 415 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216occurred 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, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 243 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-23 01:44:27,938 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