./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c --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/weaver/chl-poker-hand-symm.wvr.c -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 6f8a234fc2a7dd634bd03f872a0d7e8707283ecf0f996c6ed729f53ab07d6660 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 15:09:13,713 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 15:09:13,764 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 15:09:13,768 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 15:09:13,770 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 15:09:13,790 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 15:09:13,791 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 15:09:13,791 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 15:09:13,792 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 15:09:13,794 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 15:09:13,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 15:09:13,795 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 15:09:13,795 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 15:09:13,795 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 15:09:13,795 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 15:09:13,796 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 15:09:13,797 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 15:09:13,797 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 15:09:13,797 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 15:09:13,797 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 15:09:13,797 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 15:09:13,798 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 15:09:13,799 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 15:09:13,799 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 15:09:13,799 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 15:09:13,799 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 15:09:13,799 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 15:09:13,799 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 15:09:13,799 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 15:09:13,800 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 15:09:13,800 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 15:09:13,800 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 15:09:13,800 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 15:09:13,801 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 15:09:13,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 15:09:13,801 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 15:09:13,801 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 15:09:13,802 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 15:09:13,802 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 15:09:13,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 15:09:13,802 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 15:09:13,802 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 15:09:13,802 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 15:09:13,803 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 15:09:13,803 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f8a234fc2a7dd634bd03f872a0d7e8707283ecf0f996c6ed729f53ab07d6660 [2024-11-09 15:09:14,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 15:09:14,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 15:09:14,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 15:09:14,023 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 15:09:14,023 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 15:09:14,024 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c [2024-11-09 15:09:15,194 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 15:09:15,376 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 15:09:15,377 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c [2024-11-09 15:09:15,384 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d649e161/54fafd0e28ba43829d869bf3e2c65fd8/FLAGaf26cd455 [2024-11-09 15:09:15,769 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d649e161/54fafd0e28ba43829d869bf3e2c65fd8 [2024-11-09 15:09:15,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 15:09:15,776 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 15:09:15,777 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 15:09:15,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 15:09:15,782 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 15:09:15,782 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:09:15" (1/1) ... [2024-11-09 15:09:15,783 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@280c76b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:15, skipping insertion in model container [2024-11-09 15:09:15,783 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:09:15" (1/1) ... [2024-11-09 15:09:15,810 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 15:09:16,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:09:16,047 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 15:09:16,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:09:16,112 INFO L204 MainTranslator]: Completed translation [2024-11-09 15:09:16,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:16 WrapperNode [2024-11-09 15:09:16,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 15:09:16,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 15:09:16,116 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 15:09:16,116 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 15:09:16,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:16" (1/1) ... [2024-11-09 15:09:16,135 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:16" (1/1) ... [2024-11-09 15:09:16,196 INFO L138 Inliner]: procedures = 24, calls = 298, calls flagged for inlining = 70, calls inlined = 98, statements flattened = 1695 [2024-11-09 15:09:16,197 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 15:09:16,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 15:09:16,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 15:09:16,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 15:09:16,209 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:16" (1/1) ... [2024-11-09 15:09:16,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:16" (1/1) ... [2024-11-09 15:09:16,225 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:16" (1/1) ... [2024-11-09 15:09:16,252 INFO L175 MemorySlicer]: Split 186 memory accesses to 2 slices as follows [2, 184]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 8 writes are split as follows [0, 8]. [2024-11-09 15:09:16,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:16" (1/1) ... [2024-11-09 15:09:16,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:16" (1/1) ... [2024-11-09 15:09:16,275 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:16" (1/1) ... [2024-11-09 15:09:16,283 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:16" (1/1) ... [2024-11-09 15:09:16,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:16" (1/1) ... [2024-11-09 15:09:16,290 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:16" (1/1) ... [2024-11-09 15:09:16,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 15:09:16,301 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 15:09:16,301 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 15:09:16,301 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 15:09:16,301 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:16" (1/1) ... [2024-11-09 15:09:16,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 15:09:16,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:09:16,334 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 15:09:16,337 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 15:09:16,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 15:09:16,391 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-09 15:09:16,391 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-09 15:09:16,391 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-09 15:09:16,391 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-09 15:09:16,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 15:09:16,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 15:09:16,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 15:09:16,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 15:09:16,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 15:09:16,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 15:09:16,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 15:09:16,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 15:09:16,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 15:09:16,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 15:09:16,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 15:09:16,398 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 15:09:16,570 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 15:09:16,572 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 15:09:17,946 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 15:09:17,946 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 15:09:19,523 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 15:09:19,524 INFO L316 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-09 15:09:19,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:09:19 BoogieIcfgContainer [2024-11-09 15:09:19,525 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 15:09:19,526 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 15:09:19,527 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 15:09:19,529 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 15:09:19,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:09:15" (1/3) ... [2024-11-09 15:09:19,530 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@201978b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:09:19, skipping insertion in model container [2024-11-09 15:09:19,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:16" (2/3) ... [2024-11-09 15:09:19,531 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@201978b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:09:19, skipping insertion in model container [2024-11-09 15:09:19,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:09:19" (3/3) ... [2024-11-09 15:09:19,532 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-symm.wvr.c [2024-11-09 15:09:19,545 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 15:09:19,546 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 70 error locations. [2024-11-09 15:09:19,546 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 15:09:20,137 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-09 15:09:20,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 158 places, 179 transitions, 372 flow [2024-11-09 15:09:20,257 INFO L124 PetriNetUnfolderBase]: 28/177 cut-off events. [2024-11-09 15:09:20,258 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-09 15:09:20,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 186 conditions, 177 events. 28/177 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 833 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 123. Up to 7 conditions per place. [2024-11-09 15:09:20,265 INFO L82 GeneralOperation]: Start removeDead. Operand has 158 places, 179 transitions, 372 flow [2024-11-09 15:09:20,271 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 155 places, 176 transitions, 364 flow [2024-11-09 15:09:20,280 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 15:09:20,286 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;@5c1b4a42, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 15:09:20,286 INFO L334 AbstractCegarLoop]: Starting to check reachability of 124 error locations. [2024-11-09 15:09:20,288 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 15:09:20,288 INFO L124 PetriNetUnfolderBase]: 0/3 cut-off events. [2024-11-09 15:09:20,288 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 15:09:20,288 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:09:20,289 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-11-09 15:09:20,289 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2024-11-09 15:09:20,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:09:20,292 INFO L85 PathProgramCache]: Analyzing trace with hash 5566749, now seen corresponding path program 1 times [2024-11-09 15:09:20,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:09:20,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595093317] [2024-11-09 15:09:20,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:09:20,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:09:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:09:20,537 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 15:09:20,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:09:20,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595093317] [2024-11-09 15:09:20,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595093317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:09:20,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:09:20,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 15:09:20,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021200922] [2024-11-09 15:09:20,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:09:20,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 15:09:20,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:09:20,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 15:09:20,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 15:09:20,613 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 179 [2024-11-09 15:09:20,615 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 176 transitions, 364 flow. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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 15:09:20,615 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:09:20,616 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 179 [2024-11-09 15:09:20,616 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:09:23,454 INFO L124 PetriNetUnfolderBase]: 6352/9904 cut-off events. [2024-11-09 15:09:23,454 INFO L125 PetriNetUnfolderBase]: For 155/155 co-relation queries the response was YES. [2024-11-09 15:09:23,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19921 conditions, 9904 events. 6352/9904 cut-off events. For 155/155 co-relation queries the response was YES. Maximal size of possible extension queue 526. Compared 60559 event pairs, 5000 based on Foata normal form. 10/5715 useless extension candidates. Maximal degree in co-relation 19544. Up to 9865 conditions per place. [2024-11-09 15:09:23,500 INFO L140 encePairwiseOnDemand]: 114/179 looper letters, 141 selfloop transitions, 25 changer transitions 2/176 dead transitions. [2024-11-09 15:09:23,500 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 176 transitions, 698 flow [2024-11-09 15:09:23,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 15:09:23,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-09 15:09:23,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 251 transitions. [2024-11-09 15:09:23,511 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3505586592178771 [2024-11-09 15:09:23,512 INFO L175 Difference]: Start difference. First operand has 155 places, 176 transitions, 364 flow. Second operand 4 states and 251 transitions. [2024-11-09 15:09:23,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 176 transitions, 698 flow [2024-11-09 15:09:23,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 176 transitions, 690 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-09 15:09:23,521 INFO L231 Difference]: Finished difference. Result has 137 places, 174 transitions, 531 flow [2024-11-09 15:09:23,523 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=531, PETRI_PLACES=137, PETRI_TRANSITIONS=174} [2024-11-09 15:09:23,525 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -18 predicate places. [2024-11-09 15:09:23,526 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 174 transitions, 531 flow [2024-11-09 15:09:23,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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 15:09:23,526 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:09:23,526 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2024-11-09 15:09:23,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 15:09:23,527 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2024-11-09 15:09:23,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:09:23,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1659073949, now seen corresponding path program 1 times [2024-11-09 15:09:23,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:09:23,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278028171] [2024-11-09 15:09:23,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:09:23,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:09:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:09:23,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:09:23,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:09:23,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278028171] [2024-11-09 15:09:23,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278028171] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 15:09:23,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048452968] [2024-11-09 15:09:23,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:09:23,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:09:23,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:09:23,648 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 15:09:23,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 15:09:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:09:24,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 15:09:24,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:09:24,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:09:24,048 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 15:09:24,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048452968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:09:24,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 15:09:24,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-09 15:09:24,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651382393] [2024-11-09 15:09:24,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:09:24,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 15:09:24,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:09:24,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 15:09:24,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 15:09:24,095 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 179 [2024-11-09 15:09:24,095 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 174 transitions, 531 flow. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 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 15:09:24,095 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:09:24,095 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 179 [2024-11-09 15:09:24,096 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:09:26,661 INFO L124 PetriNetUnfolderBase]: 6352/9894 cut-off events. [2024-11-09 15:09:26,661 INFO L125 PetriNetUnfolderBase]: For 76/76 co-relation queries the response was YES. [2024-11-09 15:09:26,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19901 conditions, 9894 events. 6352/9894 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 558. Compared 60805 event pairs, 5000 based on Foata normal form. 8/5718 useless extension candidates. Maximal degree in co-relation 19713. Up to 9824 conditions per place. [2024-11-09 15:09:26,713 INFO L140 encePairwiseOnDemand]: 146/179 looper letters, 116 selfloop transitions, 42 changer transitions 0/166 dead transitions. [2024-11-09 15:09:26,713 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 166 transitions, 815 flow [2024-11-09 15:09:26,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 15:09:26,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 15:09:26,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 232 transitions. [2024-11-09 15:09:26,716 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.21601489757914338 [2024-11-09 15:09:26,717 INFO L175 Difference]: Start difference. First operand has 137 places, 174 transitions, 531 flow. Second operand 6 states and 232 transitions. [2024-11-09 15:09:26,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 166 transitions, 815 flow [2024-11-09 15:09:26,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 166 transitions, 815 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 15:09:26,722 INFO L231 Difference]: Finished difference. Result has 132 places, 166 transitions, 583 flow [2024-11-09 15:09:26,723 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=499, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=583, PETRI_PLACES=132, PETRI_TRANSITIONS=166} [2024-11-09 15:09:26,723 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -23 predicate places. [2024-11-09 15:09:26,723 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 166 transitions, 583 flow [2024-11-09 15:09:26,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 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 15:09:26,724 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:09:26,724 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1] [2024-11-09 15:09:26,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 15:09:26,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:09:26,928 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2024-11-09 15:09:26,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:09:26,929 INFO L85 PathProgramCache]: Analyzing trace with hash 108320802, now seen corresponding path program 1 times [2024-11-09 15:09:26,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:09:26,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104411470] [2024-11-09 15:09:26,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:09:26,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:09:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:09:27,038 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:09:27,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:09:27,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104411470] [2024-11-09 15:09:27,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104411470] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 15:09:27,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703588581] [2024-11-09 15:09:27,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:09:27,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:09:27,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:09:27,041 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 15:09:27,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 15:09:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:09:27,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 15:09:27,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:09:27,412 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:09:27,412 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 15:09:27,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:09:27,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703588581] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 15:09:27,444 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 15:09:27,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-09 15:09:27,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525328744] [2024-11-09 15:09:27,444 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 15:09:27,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 15:09:27,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:09:27,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 15:09:27,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-09 15:09:27,522 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 179 [2024-11-09 15:09:27,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 166 transitions, 583 flow. Second operand has 12 states, 12 states have (on average 12.083333333333334) internal successors, (145), 12 states have internal predecessors, (145), 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 15:09:27,522 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:09:27,523 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 179 [2024-11-09 15:09:27,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:09:29,830 INFO L124 PetriNetUnfolderBase]: 6376/9990 cut-off events. [2024-11-09 15:09:29,830 INFO L125 PetriNetUnfolderBase]: For 256/256 co-relation queries the response was YES. [2024-11-09 15:09:29,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20277 conditions, 9990 events. 6376/9990 cut-off events. For 256/256 co-relation queries the response was YES. Maximal size of possible extension queue 559. Compared 61807 event pairs, 5000 based on Foata normal form. 24/5835 useless extension candidates. Maximal degree in co-relation 19715. Up to 9859 conditions per place. [2024-11-09 15:09:29,863 INFO L140 encePairwiseOnDemand]: 146/179 looper letters, 133 selfloop transitions, 97 changer transitions 0/238 dead transitions. [2024-11-09 15:09:29,863 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 238 transitions, 1517 flow [2024-11-09 15:09:29,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 15:09:29,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-09 15:09:29,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 364 transitions. [2024-11-09 15:09:29,867 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.20335195530726258 [2024-11-09 15:09:29,868 INFO L175 Difference]: Start difference. First operand has 132 places, 166 transitions, 583 flow. Second operand 10 states and 364 transitions. [2024-11-09 15:09:29,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 238 transitions, 1517 flow [2024-11-09 15:09:29,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 238 transitions, 1309 flow, removed 36 selfloop flow, removed 5 redundant places. [2024-11-09 15:09:29,878 INFO L231 Difference]: Finished difference. Result has 139 places, 238 transitions, 1173 flow [2024-11-09 15:09:29,879 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=495, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1173, PETRI_PLACES=139, PETRI_TRANSITIONS=238} [2024-11-09 15:09:29,879 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -16 predicate places. [2024-11-09 15:09:29,879 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 238 transitions, 1173 flow [2024-11-09 15:09:29,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.083333333333334) internal successors, (145), 12 states have internal predecessors, (145), 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 15:09:29,880 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:09:29,880 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:09:29,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 15:09:30,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-09 15:09:30,081 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err13ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2024-11-09 15:09:30,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:09:30,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1767194340, now seen corresponding path program 1 times [2024-11-09 15:09:30,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:09:30,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071681365] [2024-11-09 15:09:30,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:09:30,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:09:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:09:30,212 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 15:09:30,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:09:30,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071681365] [2024-11-09 15:09:30,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071681365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:09:30,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:09:30,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 15:09:30,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92736273] [2024-11-09 15:09:30,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:09:30,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 15:09:30,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:09:30,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 15:09:30,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 15:09:30,216 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 179 [2024-11-09 15:09:30,216 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 238 transitions, 1173 flow. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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 15:09:30,216 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:09:30,217 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 179 [2024-11-09 15:09:30,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:09:32,601 INFO L124 PetriNetUnfolderBase]: 6372/9986 cut-off events. [2024-11-09 15:09:32,601 INFO L125 PetriNetUnfolderBase]: For 335/335 co-relation queries the response was YES. [2024-11-09 15:09:32,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20324 conditions, 9986 events. 6372/9986 cut-off events. For 335/335 co-relation queries the response was YES. Maximal size of possible extension queue 559. Compared 61340 event pairs, 5000 based on Foata normal form. 4/5807 useless extension candidates. Maximal degree in co-relation 20071. Up to 9918 conditions per place. [2024-11-09 15:09:32,638 INFO L140 encePairwiseOnDemand]: 170/179 looper letters, 197 selfloop transitions, 21 changer transitions 0/234 dead transitions. [2024-11-09 15:09:32,638 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 234 transitions, 1593 flow [2024-11-09 15:09:32,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 15:09:32,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 15:09:32,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 219 transitions. [2024-11-09 15:09:32,640 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.40782122905027934 [2024-11-09 15:09:32,640 INFO L175 Difference]: Start difference. First operand has 139 places, 238 transitions, 1173 flow. Second operand 3 states and 219 transitions. [2024-11-09 15:09:32,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 234 transitions, 1593 flow [2024-11-09 15:09:32,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 234 transitions, 1491 flow, removed 24 selfloop flow, removed 2 redundant places. [2024-11-09 15:09:32,646 INFO L231 Difference]: Finished difference. Result has 139 places, 234 transitions, 1097 flow [2024-11-09 15:09:32,646 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=1055, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1097, PETRI_PLACES=139, PETRI_TRANSITIONS=234} [2024-11-09 15:09:32,647 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -16 predicate places. [2024-11-09 15:09:32,647 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 234 transitions, 1097 flow [2024-11-09 15:09:32,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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 15:09:32,647 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:09:32,647 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 4, 1, 1] [2024-11-09 15:09:32,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 15:09:32,648 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2024-11-09 15:09:32,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:09:32,648 INFO L85 PathProgramCache]: Analyzing trace with hash 230958120, now seen corresponding path program 2 times [2024-11-09 15:09:32,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:09:32,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786474863] [2024-11-09 15:09:32,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:09:32,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:09:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:09:32,807 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:09:32,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:09:32,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786474863] [2024-11-09 15:09:32,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786474863] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 15:09:32,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341733948] [2024-11-09 15:09:32,808 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 15:09:32,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:09:32,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:09:32,810 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 15:09:32,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 15:09:33,141 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 15:09:33,142 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 15:09:33,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 15:09:33,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:09:33,174 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 15:09:33,175 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 15:09:33,205 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 15:09:33,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341733948] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 15:09:33,206 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 15:09:33,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 2, 2] total 13 [2024-11-09 15:09:33,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770680175] [2024-11-09 15:09:33,206 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 15:09:33,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 15:09:33,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:09:33,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 15:09:33,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-11-09 15:09:33,291 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 179 [2024-11-09 15:09:33,292 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 234 transitions, 1097 flow. Second operand has 15 states, 15 states have (on average 12.333333333333334) internal successors, (185), 15 states have internal predecessors, (185), 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 15:09:33,292 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:09:33,292 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 179 [2024-11-09 15:09:33,292 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:09:35,770 INFO L124 PetriNetUnfolderBase]: 6380/9998 cut-off events. [2024-11-09 15:09:35,770 INFO L125 PetriNetUnfolderBase]: For 308/308 co-relation queries the response was YES. [2024-11-09 15:09:35,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20324 conditions, 9998 events. 6380/9998 cut-off events. For 308/308 co-relation queries the response was YES. Maximal size of possible extension queue 560. Compared 61430 event pairs, 5000 based on Foata normal form. 10/5825 useless extension candidates. Maximal degree in co-relation 20042. Up to 9828 conditions per place. [2024-11-09 15:09:35,802 INFO L140 encePairwiseOnDemand]: 146/179 looper letters, 104 selfloop transitions, 132 changer transitions 0/244 dead transitions. [2024-11-09 15:09:35,802 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 244 transitions, 1608 flow [2024-11-09 15:09:35,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-09 15:09:35,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2024-11-09 15:09:35,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 521 transitions. [2024-11-09 15:09:35,805 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.11642458100558659 [2024-11-09 15:09:35,805 INFO L175 Difference]: Start difference. First operand has 139 places, 234 transitions, 1097 flow. Second operand 25 states and 521 transitions. [2024-11-09 15:09:35,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 244 transitions, 1608 flow [2024-11-09 15:09:35,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 244 transitions, 1499 flow, removed 10 selfloop flow, removed 5 redundant places. [2024-11-09 15:09:35,810 INFO L231 Difference]: Finished difference. Result has 150 places, 244 transitions, 1291 flow [2024-11-09 15:09:35,810 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=916, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=114, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=1291, PETRI_PLACES=150, PETRI_TRANSITIONS=244} [2024-11-09 15:09:35,811 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -5 predicate places. [2024-11-09 15:09:35,811 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 244 transitions, 1291 flow [2024-11-09 15:09:35,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.333333333333334) internal successors, (185), 15 states have internal predecessors, (185), 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 15:09:35,811 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:09:35,811 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] [2024-11-09 15:09:35,825 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 15:09:36,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:09:36,012 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2024-11-09 15:09:36,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:09:36,013 INFO L85 PathProgramCache]: Analyzing trace with hash 458149019, now seen corresponding path program 1 times [2024-11-09 15:09:36,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:09:36,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901926230] [2024-11-09 15:09:36,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:09:36,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:09:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:09:36,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 15:09:36,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:09:36,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901926230] [2024-11-09 15:09:36,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901926230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:09:36,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:09:36,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 15:09:36,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690003995] [2024-11-09 15:09:36,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:09:36,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 15:09:36,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:09:36,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 15:09:36,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 15:09:36,109 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 179 [2024-11-09 15:09:36,109 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 244 transitions, 1291 flow. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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 15:09:36,110 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:09:36,110 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 179 [2024-11-09 15:09:36,110 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:09:37,962 INFO L124 PetriNetUnfolderBase]: 6378/9996 cut-off events. [2024-11-09 15:09:37,962 INFO L125 PetriNetUnfolderBase]: For 307/307 co-relation queries the response was YES. [2024-11-09 15:09:37,968 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20399 conditions, 9996 events. 6378/9996 cut-off events. For 307/307 co-relation queries the response was YES. Maximal size of possible extension queue 560. Compared 61339 event pairs, 5000 based on Foata normal form. 2/5783 useless extension candidates. Maximal degree in co-relation 19684. Up to 9947 conditions per place. [2024-11-09 15:09:37,984 INFO L140 encePairwiseOnDemand]: 174/179 looper letters, 226 selfloop transitions, 8 changer transitions 0/242 dead transitions. [2024-11-09 15:09:37,984 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 242 transitions, 1750 flow [2024-11-09 15:09:37,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 15:09:37,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 15:09:37,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 213 transitions. [2024-11-09 15:09:37,985 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.39664804469273746 [2024-11-09 15:09:37,985 INFO L175 Difference]: Start difference. First operand has 150 places, 244 transitions, 1291 flow. Second operand 3 states and 213 transitions. [2024-11-09 15:09:37,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 242 transitions, 1750 flow [2024-11-09 15:09:37,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 242 transitions, 1283 flow, removed 28 selfloop flow, removed 12 redundant places. [2024-11-09 15:09:37,990 INFO L231 Difference]: Finished difference. Result has 140 places, 242 transitions, 831 flow [2024-11-09 15:09:37,991 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=815, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=831, PETRI_PLACES=140, PETRI_TRANSITIONS=242} [2024-11-09 15:09:37,993 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -15 predicate places. [2024-11-09 15:09:37,993 INFO L471 AbstractCegarLoop]: Abstraction has has 140 places, 242 transitions, 831 flow [2024-11-09 15:09:37,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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 15:09:37,993 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:09:37,993 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, 1, 1] [2024-11-09 15:09:37,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 15:09:37,993 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2024-11-09 15:09:37,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:09:37,994 INFO L85 PathProgramCache]: Analyzing trace with hash 851350758, now seen corresponding path program 1 times [2024-11-09 15:09:37,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:09:37,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264165565] [2024-11-09 15:09:37,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:09:37,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:09:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:09:38,128 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 15:09:38,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:09:38,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264165565] [2024-11-09 15:09:38,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264165565] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 15:09:38,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882041403] [2024-11-09 15:09:38,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:09:38,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:09:38,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:09:38,131 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 15:09:38,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 15:09:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:09:38,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 15:09:38,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:09:38,513 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 15:09:38,513 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 15:09:38,541 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 15:09:38,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882041403] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 15:09:38,542 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 15:09:38,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 11 [2024-11-09 15:09:38,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59987955] [2024-11-09 15:09:38,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 15:09:38,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 15:09:38,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:09:38,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 15:09:38,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-09 15:09:38,625 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 179 [2024-11-09 15:09:38,626 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 242 transitions, 831 flow. Second operand has 11 states, 11 states have (on average 14.363636363636363) internal successors, (158), 11 states have internal predecessors, (158), 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 15:09:38,626 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:09:38,626 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 179 [2024-11-09 15:09:38,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:09:40,806 INFO L124 PetriNetUnfolderBase]: 6364/9982 cut-off events. [2024-11-09 15:09:40,806 INFO L125 PetriNetUnfolderBase]: For 113/113 co-relation queries the response was YES. [2024-11-09 15:09:40,812 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20130 conditions, 9982 events. 6364/9982 cut-off events. For 113/113 co-relation queries the response was YES. Maximal size of possible extension queue 558. Compared 60766 event pairs, 5000 based on Foata normal form. 4/5786 useless extension candidates. Maximal degree in co-relation 20060. Up to 9855 conditions per place. [2024-11-09 15:09:40,828 INFO L140 encePairwiseOnDemand]: 154/179 looper letters, 112 selfloop transitions, 108 changer transitions 0/228 dead transitions. [2024-11-09 15:09:40,828 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 228 transitions, 1198 flow [2024-11-09 15:09:40,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 15:09:40,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 15:09:40,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 315 transitions. [2024-11-09 15:09:40,830 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.13536742587021916 [2024-11-09 15:09:40,830 INFO L175 Difference]: Start difference. First operand has 140 places, 242 transitions, 831 flow. Second operand 13 states and 315 transitions. [2024-11-09 15:09:40,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 228 transitions, 1198 flow [2024-11-09 15:09:40,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 228 transitions, 1158 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 15:09:40,834 INFO L231 Difference]: Finished difference. Result has 150 places, 228 transitions, 934 flow [2024-11-09 15:09:40,834 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=718, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=108, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=934, PETRI_PLACES=150, PETRI_TRANSITIONS=228} [2024-11-09 15:09:40,835 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -5 predicate places. [2024-11-09 15:09:40,835 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 228 transitions, 934 flow [2024-11-09 15:09:40,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.363636363636363) internal successors, (158), 11 states have internal predecessors, (158), 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 15:09:40,835 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:09:40,836 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:09:40,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 15:09:41,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:09:41,036 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err13ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2024-11-09 15:09:41,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:09:41,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1608873692, now seen corresponding path program 1 times [2024-11-09 15:09:41,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:09:41,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579258796] [2024-11-09 15:09:41,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:09:41,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:09:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:09:41,343 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 15:09:41,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:09:41,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579258796] [2024-11-09 15:09:41,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579258796] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 15:09:41,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964844666] [2024-11-09 15:09:41,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:09:41,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:09:41,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:09:41,350 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 15:09:41,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 15:09:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:09:41,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 15:09:41,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:09:41,815 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 15:09:41,816 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 15:09:41,907 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 15:09:41,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964844666] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 15:09:41,907 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 15:09:41,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-11-09 15:09:41,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575997865] [2024-11-09 15:09:41,908 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 15:09:41,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 15:09:41,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:09:41,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 15:09:41,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-09 15:09:42,057 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 179 [2024-11-09 15:09:42,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 228 transitions, 934 flow. Second operand has 23 states, 23 states have (on average 13.173913043478262) internal successors, (303), 23 states have internal predecessors, (303), 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 15:09:42,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:09:42,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 179 [2024-11-09 15:09:42,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:09:44,459 INFO L124 PetriNetUnfolderBase]: 6348/9966 cut-off events. [2024-11-09 15:09:44,459 INFO L125 PetriNetUnfolderBase]: For 181/181 co-relation queries the response was YES. [2024-11-09 15:09:44,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20140 conditions, 9966 events. 6348/9966 cut-off events. For 181/181 co-relation queries the response was YES. Maximal size of possible extension queue 559. Compared 60637 event pairs, 5000 based on Foata normal form. 2/5782 useless extension candidates. Maximal degree in co-relation 19686. Up to 9837 conditions per place. [2024-11-09 15:09:44,483 INFO L140 encePairwiseOnDemand]: 154/179 looper letters, 110 selfloop transitions, 94 changer transitions 0/212 dead transitions. [2024-11-09 15:09:44,483 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 212 transitions, 1242 flow [2024-11-09 15:09:44,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-09 15:09:44,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2024-11-09 15:09:44,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 481 transitions. [2024-11-09 15:09:44,486 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.10748603351955308 [2024-11-09 15:09:44,486 INFO L175 Difference]: Start difference. First operand has 150 places, 228 transitions, 934 flow. Second operand 25 states and 481 transitions. [2024-11-09 15:09:44,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 212 transitions, 1242 flow [2024-11-09 15:09:44,488 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 212 transitions, 1183 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-09 15:09:44,490 INFO L231 Difference]: Finished difference. Result has 166 places, 212 transitions, 963 flow [2024-11-09 15:09:44,490 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=775, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=963, PETRI_PLACES=166, PETRI_TRANSITIONS=212} [2024-11-09 15:09:44,490 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, 11 predicate places. [2024-11-09 15:09:44,491 INFO L471 AbstractCegarLoop]: Abstraction has has 166 places, 212 transitions, 963 flow [2024-11-09 15:09:44,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 13.173913043478262) internal successors, (303), 23 states have internal predecessors, (303), 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 15:09:44,491 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:09:44,491 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:09:44,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 15:09:44,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:09:44,692 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err13ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2024-11-09 15:09:44,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:09:44,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1173172932, now seen corresponding path program 2 times [2024-11-09 15:09:44,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:09:44,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13948268] [2024-11-09 15:09:44,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:09:44,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:09:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:09:45,119 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-11-09 15:09:45,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:09:45,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13948268] [2024-11-09 15:09:45,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13948268] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 15:09:45,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039332394] [2024-11-09 15:09:45,120 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 15:09:45,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:09:45,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:09:45,122 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 15:09:45,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 15:09:45,539 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 15:09:45,540 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 15:09:45,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 15:09:45,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:09:45,680 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-11-09 15:09:45,680 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 15:09:45,792 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-11-09 15:09:45,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039332394] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 15:09:45,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 15:09:45,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 35 [2024-11-09 15:09:45,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376896628] [2024-11-09 15:09:45,793 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 15:09:45,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-09 15:09:45,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:09:45,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-09 15:09:45,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=881, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 15:09:45,963 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 179 [2024-11-09 15:09:45,963 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 212 transitions, 963 flow. Second operand has 35 states, 35 states have (on average 12.771428571428572) internal successors, (447), 35 states have internal predecessors, (447), 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 15:09:45,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:09:45,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 179 [2024-11-09 15:09:45,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:09:48,906 INFO L124 PetriNetUnfolderBase]: 6348/9998 cut-off events. [2024-11-09 15:09:48,907 INFO L125 PetriNetUnfolderBase]: For 319/319 co-relation queries the response was YES. [2024-11-09 15:09:48,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20322 conditions, 9998 events. 6348/9998 cut-off events. For 319/319 co-relation queries the response was YES. Maximal size of possible extension queue 559. Compared 60635 event pairs, 5000 based on Foata normal form. 6/5818 useless extension candidates. Maximal degree in co-relation 19686. Up to 9835 conditions per place. [2024-11-09 15:09:48,933 INFO L140 encePairwiseOnDemand]: 154/179 looper letters, 110 selfloop transitions, 116 changer transitions 0/234 dead transitions. [2024-11-09 15:09:48,933 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 234 transitions, 1591 flow [2024-11-09 15:09:48,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 15:09:48,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-09 15:09:48,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 479 transitions. [2024-11-09 15:09:48,936 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.11634685450570804 [2024-11-09 15:09:48,936 INFO L175 Difference]: Start difference. First operand has 166 places, 212 transitions, 963 flow. Second operand 23 states and 479 transitions. [2024-11-09 15:09:48,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 234 transitions, 1591 flow [2024-11-09 15:09:48,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 234 transitions, 1295 flow, removed 0 selfloop flow, removed 20 redundant places. [2024-11-09 15:09:48,940 INFO L231 Difference]: Finished difference. Result has 174 places, 234 transitions, 1186 flow [2024-11-09 15:09:48,940 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=711, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=1186, PETRI_PLACES=174, PETRI_TRANSITIONS=234} [2024-11-09 15:09:48,940 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, 19 predicate places. [2024-11-09 15:09:48,941 INFO L471 AbstractCegarLoop]: Abstraction has has 174 places, 234 transitions, 1186 flow [2024-11-09 15:09:48,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 12.771428571428572) internal successors, (447), 35 states have internal predecessors, (447), 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 15:09:48,941 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:09:48,941 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:09:48,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 15:09:49,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:09:49,142 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2024-11-09 15:09:49,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:09:49,143 INFO L85 PathProgramCache]: Analyzing trace with hash 838851553, now seen corresponding path program 1 times [2024-11-09 15:09:49,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:09:49,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132117905] [2024-11-09 15:09:49,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:09:49,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:09:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:09:50,016 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2024-11-09 15:09:50,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:09:50,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132117905] [2024-11-09 15:09:50,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132117905] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 15:09:50,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783434161] [2024-11-09 15:09:50,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:09:50,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:09:50,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:09:50,021 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 15:09:50,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 15:09:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:09:50,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 15:09:50,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:09:50,785 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2024-11-09 15:09:50,785 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 15:09:50,992 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2024-11-09 15:09:50,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783434161] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 15:09:50,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 15:09:50,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 50 [2024-11-09 15:09:50,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999452153] [2024-11-09 15:09:50,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 15:09:50,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-09 15:09:50,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:09:50,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-09 15:09:50,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=550, Invalid=1900, Unknown=0, NotChecked=0, Total=2450 [2024-11-09 15:09:51,287 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 179 [2024-11-09 15:09:51,288 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 234 transitions, 1186 flow. Second operand has 50 states, 50 states have (on average 12.56) internal successors, (628), 50 states have internal predecessors, (628), 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 15:09:51,288 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:09:51,288 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 179 [2024-11-09 15:09:51,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:09:54,077 INFO L124 PetriNetUnfolderBase]: 6348/10010 cut-off events. [2024-11-09 15:09:54,077 INFO L125 PetriNetUnfolderBase]: For 435/435 co-relation queries the response was YES. [2024-11-09 15:09:54,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20394 conditions, 10010 events. 6348/10010 cut-off events. For 435/435 co-relation queries the response was YES. Maximal size of possible extension queue 559. Compared 60643 event pairs, 5000 based on Foata normal form. 4/5839 useless extension candidates. Maximal degree in co-relation 19692. Up to 9835 conditions per place. [2024-11-09 15:09:54,100 INFO L140 encePairwiseOnDemand]: 154/179 looper letters, 110 selfloop transitions, 124 changer transitions 0/242 dead transitions. [2024-11-09 15:09:54,100 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 242 transitions, 1726 flow [2024-11-09 15:09:54,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-09 15:09:54,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2024-11-09 15:09:54,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 611 transitions. [2024-11-09 15:09:54,102 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.09752593774940144 [2024-11-09 15:09:54,103 INFO L175 Difference]: Start difference. First operand has 174 places, 234 transitions, 1186 flow. Second operand 35 states and 611 transitions. [2024-11-09 15:09:54,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 242 transitions, 1726 flow [2024-11-09 15:09:54,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 242 transitions, 1617 flow, removed 0 selfloop flow, removed 11 redundant places. [2024-11-09 15:09:54,107 INFO L231 Difference]: Finished difference. Result has 199 places, 242 transitions, 1441 flow [2024-11-09 15:09:54,108 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=1085, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=118, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=1441, PETRI_PLACES=199, PETRI_TRANSITIONS=242} [2024-11-09 15:09:54,108 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, 44 predicate places. [2024-11-09 15:09:54,108 INFO L471 AbstractCegarLoop]: Abstraction has has 199 places, 242 transitions, 1441 flow [2024-11-09 15:09:54,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 12.56) internal successors, (628), 50 states have internal predecessors, (628), 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 15:09:54,109 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:09:54,109 INFO L204 CegarLoopForPetriNet]: trace histogram [13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:09:54,128 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 15:09:54,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:09:54,310 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2024-11-09 15:09:54,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:09:54,310 INFO L85 PathProgramCache]: Analyzing trace with hash -14572479, now seen corresponding path program 2 times [2024-11-09 15:09:54,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:09:54,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627277986] [2024-11-09 15:09:54,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:09:54,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:09:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:09:57,343 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 184 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-11-09 15:09:57,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:09:57,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627277986] [2024-11-09 15:09:57,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627277986] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 15:09:57,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791431606] [2024-11-09 15:09:57,344 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 15:09:57,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:09:57,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:09:57,345 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 15:09:57,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 15:09:57,794 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 15:09:57,794 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 15:09:57,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 995 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-11-09 15:09:57,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:09:57,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-09 15:09:57,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 15:09:57,921 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-09 15:09:57,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-09 15:09:57,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:57,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:57,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:58,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:58,032 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-09 15:09:58,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-09 15:09:58,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:58,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:58,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:58,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:58,135 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-11-09 15:09:58,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-11-09 15:09:58,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:58,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:58,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:58,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:58,323 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-09 15:09:58,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-09 15:09:58,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:58,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:58,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:58,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:58,596 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2024-11-09 15:09:58,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2024-11-09 15:09:58,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:58,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:58,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:58,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:58,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:58,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:58,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:58,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:58,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:59,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:59,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:59,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:59,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:59,248 INFO L349 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2024-11-09 15:09:59,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25 [2024-11-09 15:09:59,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:59,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:59,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:59,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:59,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:59,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:59,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:59,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:59,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:59,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:59,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:59,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:59,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 15:09:59,436 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 149 refuted. 0 times theorem prover too weak. 503 trivial. 0 not checked. [2024-11-09 15:09:59,436 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 15:09:59,471 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_949 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_949) c_~index_of_4~0.base) (+ c_~index_of_4~0.offset 16)) 4294967296))) is different from false [2024-11-09 15:10:05,502 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 15:10:05,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 42 [2024-11-09 15:10:05,685 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 15:10:05,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39911427 treesize of output 39714819 [2024-11-09 15:10:06,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 599 treesize of output 595 [2024-11-09 15:10:06,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 595 treesize of output 587 [2024-11-09 15:10:06,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 587 treesize of output 571 [2024-11-09 15:10:06,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1174 treesize of output 1110 [2024-11-09 15:10:06,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1110 treesize of output 982 [2024-11-09 15:10:06,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 474