./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d 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/goblint-regression/04-mutex_12-ptr_nr.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b5f4c57d88bf6e97d091c1ec0f5525d1ae2da6c31cffbcaaf02c59d6e6570e5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:45:29,851 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:45:29,891 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 07:45:29,894 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:45:29,894 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:45:29,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:45:29,909 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:45:29,909 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:45:29,910 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:45:29,910 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:45:29,910 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:45:29,911 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:45:29,911 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:45:29,911 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:45:29,912 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:45:29,912 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:45:29,912 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:45:29,913 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 07:45:29,913 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 07:45:29,913 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 07:45:29,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:45:29,914 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:45:29,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:45:29,914 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:45:29,915 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:45:29,915 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:45:29,915 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:45:29,916 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 07:45:29,916 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:45:29,916 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:45:29,917 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:45:29,917 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:45:29,917 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:45:29,917 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:45:29,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:45:29,918 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:45:29,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:45:29,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:45:29,919 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 07:45:29,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 07:45:29,919 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:45:29,920 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:45:29,920 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:45:29,920 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:45:29,920 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b5f4c57d88bf6e97d091c1ec0f5525d1ae2da6c31cffbcaaf02c59d6e6570e5 [2024-11-17 07:45:30,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:45:30,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:45:30,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:45:30,154 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:45:30,154 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:45:30,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i [2024-11-17 07:45:31,500 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:45:31,768 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:45:31,769 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i [2024-11-17 07:45:31,791 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7b741c18/f8f7bb0587fe41b98a9e927fe423ccdb/FLAGff7bc70ac [2024-11-17 07:45:32,084 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7b741c18/f8f7bb0587fe41b98a9e927fe423ccdb [2024-11-17 07:45:32,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:45:32,087 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:45:32,088 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:45:32,088 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:45:32,092 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:45:32,092 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:45:32" (1/1) ... [2024-11-17 07:45:32,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@667887f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:45:32, skipping insertion in model container [2024-11-17 07:45:32,093 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:45:32" (1/1) ... [2024-11-17 07:45:32,131 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:45:32,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:45:32,442 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:45:32,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:45:32,545 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:45:32,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:45:32 WrapperNode [2024-11-17 07:45:32,545 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:45:32,546 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:45:32,546 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:45:32,546 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:45:32,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:45:32" (1/1) ... [2024-11-17 07:45:32,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:45:32" (1/1) ... [2024-11-17 07:45:32,600 INFO L138 Inliner]: procedures = 262, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 90 [2024-11-17 07:45:32,601 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:45:32,601 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:45:32,601 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:45:32,601 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:45:32,612 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:45:32" (1/1) ... [2024-11-17 07:45:32,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:45:32" (1/1) ... [2024-11-17 07:45:32,615 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:45:32" (1/1) ... [2024-11-17 07:45:32,627 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [5, 5]. 50 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [5, 1]. The 2 writes are split as follows [0, 2]. [2024-11-17 07:45:32,628 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:45:32" (1/1) ... [2024-11-17 07:45:32,628 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:45:32" (1/1) ... [2024-11-17 07:45:32,632 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:45:32" (1/1) ... [2024-11-17 07:45:32,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:45:32" (1/1) ... [2024-11-17 07:45:32,635 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:45:32" (1/1) ... [2024-11-17 07:45:32,636 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:45:32" (1/1) ... [2024-11-17 07:45:32,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:45:32,638 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:45:32,638 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:45:32,638 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:45:32,639 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:45:32" (1/1) ... [2024-11-17 07:45:32,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:45:32,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:45:32,674 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) [2024-11-17 07:45:32,677 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 [2024-11-17 07:45:32,715 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-17 07:45:32,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 07:45:32,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 07:45:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 07:45:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 07:45:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-17 07:45:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:45:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-17 07:45:32,716 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-17 07:45:32,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 07:45:32,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 07:45:32,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:45:32,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:45:32,719 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-17 07:45:32,844 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:45:32,845 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:45:32,957 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-17 07:45:32,957 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:45:33,067 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:45:33,067 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 07:45:33,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:45:33 BoogieIcfgContainer [2024-11-17 07:45:33,067 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:45:33,069 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:45:33,069 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:45:33,071 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:45:33,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:45:32" (1/3) ... [2024-11-17 07:45:33,072 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69beea35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:45:33, skipping insertion in model container [2024-11-17 07:45:33,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:45:32" (2/3) ... [2024-11-17 07:45:33,072 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69beea35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:45:33, skipping insertion in model container [2024-11-17 07:45:33,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:45:33" (3/3) ... [2024-11-17 07:45:33,073 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_12-ptr_nr.i [2024-11-17 07:45:33,085 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:45:33,085 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-17 07:45:33,085 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-17 07:45:33,109 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-17 07:45:33,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 23 transitions, 53 flow [2024-11-17 07:45:33,154 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-17 07:45:33,154 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-17 07:45:33,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27 conditions, 22 events. 0/22 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 31 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-11-17 07:45:33,155 INFO L82 GeneralOperation]: Start removeDead. Operand has 27 places, 23 transitions, 53 flow [2024-11-17 07:45:33,157 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 24 places, 20 transitions, 43 flow [2024-11-17 07:45:33,163 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:45:33,168 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;@137a2f71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:45:33,168 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-17 07:45:33,173 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-17 07:45:33,173 INFO L124 PetriNetUnfolderBase]: 0/9 cut-off events. [2024-11-17 07:45:33,173 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 07:45:33,173 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:45:33,174 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 07:45:33,174 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-17 07:45:33,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:45:33,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1313665534, now seen corresponding path program 1 times [2024-11-17 07:45:33,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:45:33,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816562855] [2024-11-17 07:45:33,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:45:33,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:45:33,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:45:33,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:45:33,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:45:33,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816562855] [2024-11-17 07:45:33,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816562855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:45:33,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:45:33,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:45:33,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171859337] [2024-11-17 07:45:33,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:45:33,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 07:45:33,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:45:33,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 07:45:33,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:45:33,511 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 23 [2024-11-17 07:45:33,513 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 20 transitions, 43 flow. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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) [2024-11-17 07:45:33,513 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:45:33,513 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 23 [2024-11-17 07:45:33,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:45:33,628 INFO L124 PetriNetUnfolderBase]: 33/98 cut-off events. [2024-11-17 07:45:33,630 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 07:45:33,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 185 conditions, 98 events. 33/98 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 314 event pairs, 7 based on Foata normal form. 6/101 useless extension candidates. Maximal degree in co-relation 176. Up to 55 conditions per place. [2024-11-17 07:45:33,633 INFO L140 encePairwiseOnDemand]: 16/23 looper letters, 22 selfloop transitions, 6 changer transitions 5/38 dead transitions. [2024-11-17 07:45:33,634 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 38 transitions, 145 flow [2024-11-17 07:45:33,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 07:45:33,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-17 07:45:33,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 73 transitions. [2024-11-17 07:45:33,643 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5289855072463768 [2024-11-17 07:45:33,645 INFO L175 Difference]: Start difference. First operand has 24 places, 20 transitions, 43 flow. Second operand 6 states and 73 transitions. [2024-11-17 07:45:33,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 38 transitions, 145 flow [2024-11-17 07:45:33,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 38 transitions, 144 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-17 07:45:33,648 INFO L231 Difference]: Finished difference. Result has 32 places, 23 transitions, 80 flow [2024-11-17 07:45:33,650 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=80, PETRI_PLACES=32, PETRI_TRANSITIONS=23} [2024-11-17 07:45:33,652 INFO L277 CegarLoopForPetriNet]: 24 programPoint places, 8 predicate places. [2024-11-17 07:45:33,652 INFO L471 AbstractCegarLoop]: Abstraction has has 32 places, 23 transitions, 80 flow [2024-11-17 07:45:33,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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) [2024-11-17 07:45:33,653 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:45:33,653 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 07:45:33,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 07:45:33,653 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-17 07:45:33,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:45:33,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1313799468, now seen corresponding path program 1 times [2024-11-17 07:45:33,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:45:33,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828457505] [2024-11-17 07:45:33,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:45:33,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:45:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:45:33,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:45:33,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:45:33,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828457505] [2024-11-17 07:45:33,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828457505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:45:33,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:45:33,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:45:33,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293431369] [2024-11-17 07:45:33,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:45:33,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:45:33,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:45:33,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:45:33,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:45:33,730 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 23 [2024-11-17 07:45:33,730 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 23 transitions, 80 flow. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:45:33,731 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:45:33,731 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 23 [2024-11-17 07:45:33,731 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:45:33,812 INFO L124 PetriNetUnfolderBase]: 26/91 cut-off events. [2024-11-17 07:45:33,813 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2024-11-17 07:45:33,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 91 events. 26/91 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 297 event pairs, 13 based on Foata normal form. 14/105 useless extension candidates. Maximal degree in co-relation 201. Up to 44 conditions per place. [2024-11-17 07:45:33,814 INFO L140 encePairwiseOnDemand]: 17/23 looper letters, 19 selfloop transitions, 5 changer transitions 4/33 dead transitions. [2024-11-17 07:45:33,814 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 33 transitions, 167 flow [2024-11-17 07:45:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:45:33,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-17 07:45:33,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 61 transitions. [2024-11-17 07:45:33,819 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5304347826086957 [2024-11-17 07:45:33,820 INFO L175 Difference]: Start difference. First operand has 32 places, 23 transitions, 80 flow. Second operand 5 states and 61 transitions. [2024-11-17 07:45:33,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 33 transitions, 167 flow [2024-11-17 07:45:33,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 33 transitions, 158 flow, removed 2 selfloop flow, removed 2 redundant places. [2024-11-17 07:45:33,822 INFO L231 Difference]: Finished difference. Result has 36 places, 24 transitions, 100 flow [2024-11-17 07:45:33,823 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=100, PETRI_PLACES=36, PETRI_TRANSITIONS=24} [2024-11-17 07:45:33,823 INFO L277 CegarLoopForPetriNet]: 24 programPoint places, 12 predicate places. [2024-11-17 07:45:33,824 INFO L471 AbstractCegarLoop]: Abstraction has has 36 places, 24 transitions, 100 flow [2024-11-17 07:45:33,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:45:33,824 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:45:33,824 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:45:33,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 07:45:33,824 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-17 07:45:33,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:45:33,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1305746347, now seen corresponding path program 1 times [2024-11-17 07:45:33,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:45:33,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897218435] [2024-11-17 07:45:33,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:45:33,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:45:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:45:33,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:45:33,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:45:33,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897218435] [2024-11-17 07:45:33,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897218435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:45:33,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:45:33,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:45:33,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308327789] [2024-11-17 07:45:33,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:45:33,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:45:33,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:45:33,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:45:33,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:45:33,934 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 23 [2024-11-17 07:45:33,934 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 24 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2024-11-17 07:45:33,934 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:45:33,935 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 23 [2024-11-17 07:45:33,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:45:33,974 INFO L124 PetriNetUnfolderBase]: 12/56 cut-off events. [2024-11-17 07:45:33,977 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2024-11-17 07:45:33,977 INFO L83 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 56 events. 12/56 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 135 event pairs, 3 based on Foata normal form. 6/62 useless extension candidates. Maximal degree in co-relation 136. Up to 26 conditions per place. [2024-11-17 07:45:33,979 INFO L140 encePairwiseOnDemand]: 19/23 looper letters, 17 selfloop transitions, 4 changer transitions 0/28 dead transitions. [2024-11-17 07:45:33,980 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 28 transitions, 156 flow [2024-11-17 07:45:33,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:45:33,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-17 07:45:33,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 42 transitions. [2024-11-17 07:45:33,984 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6086956521739131 [2024-11-17 07:45:33,984 INFO L175 Difference]: Start difference. First operand has 36 places, 24 transitions, 100 flow. Second operand 3 states and 42 transitions. [2024-11-17 07:45:33,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 28 transitions, 156 flow [2024-11-17 07:45:33,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 28 transitions, 148 flow, removed 2 selfloop flow, removed 2 redundant places. [2024-11-17 07:45:33,987 INFO L231 Difference]: Finished difference. Result has 35 places, 24 transitions, 100 flow [2024-11-17 07:45:33,987 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=35, PETRI_TRANSITIONS=24} [2024-11-17 07:45:33,988 INFO L277 CegarLoopForPetriNet]: 24 programPoint places, 11 predicate places. [2024-11-17 07:45:33,988 INFO L471 AbstractCegarLoop]: Abstraction has has 35 places, 24 transitions, 100 flow [2024-11-17 07:45:33,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2024-11-17 07:45:33,989 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:45:33,989 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:45:33,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 07:45:33,989 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-17 07:45:33,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:45:33,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1475052007, now seen corresponding path program 1 times [2024-11-17 07:45:33,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:45:33,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426273882] [2024-11-17 07:45:33,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:45:33,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:45:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:45:34,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:45:34,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:45:34,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426273882] [2024-11-17 07:45:34,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426273882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:45:34,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:45:34,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 07:45:34,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932942751] [2024-11-17 07:45:34,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:45:34,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:45:34,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:45:34,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:45:34,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:45:34,277 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 23 [2024-11-17 07:45:34,278 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 24 transitions, 100 flow. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 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) [2024-11-17 07:45:34,278 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:45:34,278 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 23 [2024-11-17 07:45:34,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:45:34,385 INFO L124 PetriNetUnfolderBase]: 13/65 cut-off events. [2024-11-17 07:45:34,385 INFO L125 PetriNetUnfolderBase]: For 39/41 co-relation queries the response was YES. [2024-11-17 07:45:34,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 65 events. 13/65 cut-off events. For 39/41 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 184 event pairs, 4 based on Foata normal form. 3/68 useless extension candidates. Maximal degree in co-relation 167. Up to 31 conditions per place. [2024-11-17 07:45:34,386 INFO L140 encePairwiseOnDemand]: 15/23 looper letters, 23 selfloop transitions, 9 changer transitions 0/35 dead transitions. [2024-11-17 07:45:34,386 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 35 transitions, 208 flow [2024-11-17 07:45:34,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 07:45:34,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-17 07:45:34,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 65 transitions. [2024-11-17 07:45:34,392 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3532608695652174 [2024-11-17 07:45:34,392 INFO L175 Difference]: Start difference. First operand has 35 places, 24 transitions, 100 flow. Second operand 8 states and 65 transitions. [2024-11-17 07:45:34,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 35 transitions, 208 flow [2024-11-17 07:45:34,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 35 transitions, 199 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-17 07:45:34,393 INFO L231 Difference]: Finished difference. Result has 45 places, 28 transitions, 154 flow [2024-11-17 07:45:34,394 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=154, PETRI_PLACES=45, PETRI_TRANSITIONS=28} [2024-11-17 07:45:34,395 INFO L277 CegarLoopForPetriNet]: 24 programPoint places, 21 predicate places. [2024-11-17 07:45:34,396 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 28 transitions, 154 flow [2024-11-17 07:45:34,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 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) [2024-11-17 07:45:34,396 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:45:34,397 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:45:34,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 07:45:34,397 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-17 07:45:34,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:45:34,399 INFO L85 PathProgramCache]: Analyzing trace with hash 531326333, now seen corresponding path program 2 times [2024-11-17 07:45:34,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:45:34,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081494070] [2024-11-17 07:45:34,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:45:34,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:45:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:45:34,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:45:34,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:45:34,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081494070] [2024-11-17 07:45:34,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081494070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:45:34,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:45:34,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 07:45:34,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261346585] [2024-11-17 07:45:34,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:45:34,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:45:34,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:45:34,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:45:34,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:45:34,583 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 23 [2024-11-17 07:45:34,583 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 28 transitions, 154 flow. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 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) [2024-11-17 07:45:34,583 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:45:34,583 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 23 [2024-11-17 07:45:34,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:45:34,673 INFO L124 PetriNetUnfolderBase]: 12/71 cut-off events. [2024-11-17 07:45:34,673 INFO L125 PetriNetUnfolderBase]: For 112/114 co-relation queries the response was YES. [2024-11-17 07:45:34,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 219 conditions, 71 events. 12/71 cut-off events. For 112/114 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 231 event pairs, 9 based on Foata normal form. 3/74 useless extension candidates. Maximal degree in co-relation 197. Up to 34 conditions per place. [2024-11-17 07:45:34,674 INFO L140 encePairwiseOnDemand]: 15/23 looper letters, 22 selfloop transitions, 11 changer transitions 0/36 dead transitions. [2024-11-17 07:45:34,674 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 36 transitions, 256 flow [2024-11-17 07:45:34,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 07:45:34,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-17 07:45:34,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 62 transitions. [2024-11-17 07:45:34,675 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.33695652173913043 [2024-11-17 07:45:34,676 INFO L175 Difference]: Start difference. First operand has 45 places, 28 transitions, 154 flow. Second operand 8 states and 62 transitions. [2024-11-17 07:45:34,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 36 transitions, 256 flow [2024-11-17 07:45:34,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 36 transitions, 250 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-17 07:45:34,678 INFO L231 Difference]: Finished difference. Result has 55 places, 31 transitions, 214 flow [2024-11-17 07:45:34,678 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=214, PETRI_PLACES=55, PETRI_TRANSITIONS=31} [2024-11-17 07:45:34,679 INFO L277 CegarLoopForPetriNet]: 24 programPoint places, 31 predicate places. [2024-11-17 07:45:34,679 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 31 transitions, 214 flow [2024-11-17 07:45:34,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 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) [2024-11-17 07:45:34,679 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:45:34,679 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:45:34,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 07:45:34,680 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-17 07:45:34,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:45:34,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1297094153, now seen corresponding path program 1 times [2024-11-17 07:45:34,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:45:34,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715595068] [2024-11-17 07:45:34,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:45:34,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:45:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:45:34,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:45:34,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:45:34,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715595068] [2024-11-17 07:45:34,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715595068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:45:34,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:45:34,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 07:45:34,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6117068] [2024-11-17 07:45:34,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:45:34,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:45:34,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:45:34,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:45:34,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:45:34,844 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 23 [2024-11-17 07:45:34,845 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 31 transitions, 214 flow. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 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) [2024-11-17 07:45:34,845 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:45:34,845 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 23 [2024-11-17 07:45:34,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:45:34,926 INFO L124 PetriNetUnfolderBase]: 11/68 cut-off events. [2024-11-17 07:45:34,926 INFO L125 PetriNetUnfolderBase]: For 183/185 co-relation queries the response was YES. [2024-11-17 07:45:34,927 INFO L83 FinitePrefix]: Finished finitePrefix Result has 238 conditions, 68 events. 11/68 cut-off events. For 183/185 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 218 event pairs, 2 based on Foata normal form. 4/72 useless extension candidates. Maximal degree in co-relation 211. Up to 20 conditions per place. [2024-11-17 07:45:34,927 INFO L140 encePairwiseOnDemand]: 16/23 looper letters, 25 selfloop transitions, 9 changer transitions 0/37 dead transitions. [2024-11-17 07:45:34,927 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 37 transitions, 295 flow [2024-11-17 07:45:34,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:45:34,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-17 07:45:34,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 57 transitions. [2024-11-17 07:45:34,932 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.35403726708074534 [2024-11-17 07:45:34,933 INFO L175 Difference]: Start difference. First operand has 55 places, 31 transitions, 214 flow. Second operand 7 states and 57 transitions. [2024-11-17 07:45:34,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 37 transitions, 295 flow [2024-11-17 07:45:34,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 37 transitions, 282 flow, removed 2 selfloop flow, removed 2 redundant places. [2024-11-17 07:45:34,935 INFO L231 Difference]: Finished difference. Result has 58 places, 30 transitions, 215 flow [2024-11-17 07:45:34,935 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=197, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=215, PETRI_PLACES=58, PETRI_TRANSITIONS=30} [2024-11-17 07:45:34,936 INFO L277 CegarLoopForPetriNet]: 24 programPoint places, 34 predicate places. [2024-11-17 07:45:34,936 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 30 transitions, 215 flow [2024-11-17 07:45:34,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 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) [2024-11-17 07:45:34,936 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:45:34,936 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:45:34,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 07:45:34,936 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-17 07:45:34,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:45:34,937 INFO L85 PathProgramCache]: Analyzing trace with hash -825060245, now seen corresponding path program 3 times [2024-11-17 07:45:34,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:45:34,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295667564] [2024-11-17 07:45:34,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:45:34,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:45:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:45:35,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:45:35,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:45:35,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295667564] [2024-11-17 07:45:35,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295667564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:45:35,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:45:35,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 07:45:35,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73668688] [2024-11-17 07:45:35,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:45:35,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:45:35,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:45:35,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:45:35,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:45:35,049 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 23 [2024-11-17 07:45:35,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 30 transitions, 215 flow. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 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) [2024-11-17 07:45:35,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:45:35,050 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 23 [2024-11-17 07:45:35,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:45:35,137 INFO L124 PetriNetUnfolderBase]: 11/66 cut-off events. [2024-11-17 07:45:35,137 INFO L125 PetriNetUnfolderBase]: For 196/198 co-relation queries the response was YES. [2024-11-17 07:45:35,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 242 conditions, 66 events. 11/66 cut-off events. For 196/198 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 205 event pairs, 7 based on Foata normal form. 1/67 useless extension candidates. Maximal degree in co-relation 214. Up to 19 conditions per place. [2024-11-17 07:45:35,138 INFO L140 encePairwiseOnDemand]: 15/23 looper letters, 20 selfloop transitions, 11 changer transitions 0/34 dead transitions. [2024-11-17 07:45:35,138 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 34 transitions, 283 flow [2024-11-17 07:45:35,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 07:45:35,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-17 07:45:35,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 59 transitions. [2024-11-17 07:45:35,139 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32065217391304346 [2024-11-17 07:45:35,139 INFO L175 Difference]: Start difference. First operand has 58 places, 30 transitions, 215 flow. Second operand 8 states and 59 transitions. [2024-11-17 07:45:35,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 34 transitions, 283 flow [2024-11-17 07:45:35,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 34 transitions, 252 flow, removed 4 selfloop flow, removed 8 redundant places. [2024-11-17 07:45:35,140 INFO L231 Difference]: Finished difference. Result has 56 places, 29 transitions, 198 flow [2024-11-17 07:45:35,141 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=198, PETRI_PLACES=56, PETRI_TRANSITIONS=29} [2024-11-17 07:45:35,141 INFO L277 CegarLoopForPetriNet]: 24 programPoint places, 32 predicate places. [2024-11-17 07:45:35,141 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 29 transitions, 198 flow [2024-11-17 07:45:35,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 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) [2024-11-17 07:45:35,142 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:45:35,142 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:45:35,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 07:45:35,142 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-17 07:45:35,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:45:35,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1555213264, now seen corresponding path program 1 times [2024-11-17 07:45:35,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:45:35,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125113360] [2024-11-17 07:45:35,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:45:35,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:45:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:45:35,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:45:35,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:45:35,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125113360] [2024-11-17 07:45:35,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125113360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:45:35,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:45:35,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 07:45:35,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085997608] [2024-11-17 07:45:35,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:45:35,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:45:35,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:45:35,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:45:35,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:45:35,336 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 23 [2024-11-17 07:45:35,336 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 29 transitions, 198 flow. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 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) [2024-11-17 07:45:35,336 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:45:35,336 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 23 [2024-11-17 07:45:35,337 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:45:35,426 INFO L124 PetriNetUnfolderBase]: 10/64 cut-off events. [2024-11-17 07:45:35,426 INFO L125 PetriNetUnfolderBase]: For 172/174 co-relation queries the response was YES. [2024-11-17 07:45:35,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 64 events. 10/64 cut-off events. For 172/174 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 200 event pairs, 2 based on Foata normal form. 4/68 useless extension candidates. Maximal degree in co-relation 199. Up to 19 conditions per place. [2024-11-17 07:45:35,427 INFO L140 encePairwiseOnDemand]: 16/23 looper letters, 14 selfloop transitions, 8 changer transitions 10/35 dead transitions. [2024-11-17 07:45:35,427 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 35 transitions, 275 flow [2024-11-17 07:45:35,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 07:45:35,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-17 07:45:35,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 64 transitions. [2024-11-17 07:45:35,428 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.30917874396135264 [2024-11-17 07:45:35,428 INFO L175 Difference]: Start difference. First operand has 56 places, 29 transitions, 198 flow. Second operand 9 states and 64 transitions. [2024-11-17 07:45:35,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 35 transitions, 275 flow [2024-11-17 07:45:35,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 35 transitions, 238 flow, removed 4 selfloop flow, removed 8 redundant places. [2024-11-17 07:45:35,430 INFO L231 Difference]: Finished difference. Result has 55 places, 23 transitions, 149 flow [2024-11-17 07:45:35,430 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=157, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=149, PETRI_PLACES=55, PETRI_TRANSITIONS=23} [2024-11-17 07:45:35,430 INFO L277 CegarLoopForPetriNet]: 24 programPoint places, 31 predicate places. [2024-11-17 07:45:35,430 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 23 transitions, 149 flow [2024-11-17 07:45:35,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 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) [2024-11-17 07:45:35,431 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:45:35,431 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:45:35,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 07:45:35,431 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-17 07:45:35,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:45:35,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1698602534, now seen corresponding path program 1 times [2024-11-17 07:45:35,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:45:35,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986160395] [2024-11-17 07:45:35,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:45:35,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:45:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:45:35,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:45:35,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:45:35,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986160395] [2024-11-17 07:45:35,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986160395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:45:35,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:45:35,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 07:45:35,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560790694] [2024-11-17 07:45:35,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:45:35,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:45:35,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:45:35,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:45:35,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:45:35,540 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 23 [2024-11-17 07:45:35,540 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 23 transitions, 149 flow. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 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) [2024-11-17 07:45:35,540 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:45:35,540 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 23 [2024-11-17 07:45:35,541 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:45:35,590 INFO L124 PetriNetUnfolderBase]: 4/40 cut-off events. [2024-11-17 07:45:35,591 INFO L125 PetriNetUnfolderBase]: For 96/98 co-relation queries the response was YES. [2024-11-17 07:45:35,591 INFO L83 FinitePrefix]: Finished finitePrefix Result has 143 conditions, 40 events. 4/40 cut-off events. For 96/98 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 80 event pairs, 1 based on Foata normal form. 3/43 useless extension candidates. Maximal degree in co-relation 124. Up to 14 conditions per place. [2024-11-17 07:45:35,591 INFO L140 encePairwiseOnDemand]: 17/23 looper letters, 11 selfloop transitions, 4 changer transitions 9/27 dead transitions. [2024-11-17 07:45:35,591 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 27 transitions, 202 flow [2024-11-17 07:45:35,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:45:35,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-17 07:45:35,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 50 transitions. [2024-11-17 07:45:35,592 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3105590062111801 [2024-11-17 07:45:35,592 INFO L175 Difference]: Start difference. First operand has 55 places, 23 transitions, 149 flow. Second operand 7 states and 50 transitions. [2024-11-17 07:45:35,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 27 transitions, 202 flow [2024-11-17 07:45:35,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 27 transitions, 156 flow, removed 2 selfloop flow, removed 10 redundant places. [2024-11-17 07:45:35,593 INFO L231 Difference]: Finished difference. Result has 42 places, 18 transitions, 83 flow [2024-11-17 07:45:35,593 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=83, PETRI_PLACES=42, PETRI_TRANSITIONS=18} [2024-11-17 07:45:35,594 INFO L277 CegarLoopForPetriNet]: 24 programPoint places, 18 predicate places. [2024-11-17 07:45:35,594 INFO L471 AbstractCegarLoop]: Abstraction has has 42 places, 18 transitions, 83 flow [2024-11-17 07:45:35,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 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) [2024-11-17 07:45:35,594 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:45:35,594 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:45:35,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 07:45:35,594 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-17 07:45:35,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:45:35,595 INFO L85 PathProgramCache]: Analyzing trace with hash -708752652, now seen corresponding path program 2 times [2024-11-17 07:45:35,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:45:35,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632689675] [2024-11-17 07:45:35,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:45:35,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:45:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:45:35,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:45:35,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:45:35,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632689675] [2024-11-17 07:45:35,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632689675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:45:35,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:45:35,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 07:45:35,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646425962] [2024-11-17 07:45:35,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:45:35,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:45:35,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:45:35,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:45:35,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:45:35,727 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 23 [2024-11-17 07:45:35,727 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 18 transitions, 83 flow. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 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) [2024-11-17 07:45:35,727 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:45:35,727 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 23 [2024-11-17 07:45:35,727 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:45:35,786 INFO L124 PetriNetUnfolderBase]: 1/23 cut-off events. [2024-11-17 07:45:35,788 INFO L125 PetriNetUnfolderBase]: For 20/22 co-relation queries the response was YES. [2024-11-17 07:45:35,788 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 23 events. 1/23 cut-off events. For 20/22 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 25 event pairs, 1 based on Foata normal form. 3/26 useless extension candidates. Maximal degree in co-relation 58. Up to 9 conditions per place. [2024-11-17 07:45:35,788 INFO L140 encePairwiseOnDemand]: 17/23 looper letters, 8 selfloop transitions, 3 changer transitions 5/19 dead transitions. [2024-11-17 07:45:35,788 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 19 transitions, 113 flow [2024-11-17 07:45:35,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:45:35,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-17 07:45:35,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 45 transitions. [2024-11-17 07:45:35,789 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2795031055900621 [2024-11-17 07:45:35,789 INFO L175 Difference]: Start difference. First operand has 42 places, 18 transitions, 83 flow. Second operand 7 states and 45 transitions. [2024-11-17 07:45:35,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 19 transitions, 113 flow [2024-11-17 07:45:35,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 19 transitions, 96 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-17 07:45:35,790 INFO L231 Difference]: Finished difference. Result has 34 places, 14 transitions, 51 flow [2024-11-17 07:45:35,791 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=51, PETRI_PLACES=34, PETRI_TRANSITIONS=14} [2024-11-17 07:45:35,791 INFO L277 CegarLoopForPetriNet]: 24 programPoint places, 10 predicate places. [2024-11-17 07:45:35,792 INFO L471 AbstractCegarLoop]: Abstraction has has 34 places, 14 transitions, 51 flow [2024-11-17 07:45:35,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 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) [2024-11-17 07:45:35,792 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:45:35,792 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:45:35,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-17 07:45:35,793 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-17 07:45:35,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:45:35,793 INFO L85 PathProgramCache]: Analyzing trace with hash 109819500, now seen corresponding path program 3 times [2024-11-17 07:45:35,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:45:35,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658399245] [2024-11-17 07:45:35,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:45:35,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:45:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:45:35,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:45:35,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:45:35,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658399245] [2024-11-17 07:45:35,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658399245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:45:35,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:45:35,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 07:45:35,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636599945] [2024-11-17 07:45:35,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:45:35,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:45:35,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:45:35,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:45:35,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:45:35,940 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 23 [2024-11-17 07:45:35,940 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 14 transitions, 51 flow. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 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) [2024-11-17 07:45:35,940 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:45:35,940 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 23 [2024-11-17 07:45:35,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:45:35,980 INFO L124 PetriNetUnfolderBase]: 1/15 cut-off events. [2024-11-17 07:45:35,980 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-17 07:45:35,980 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 15 events. 1/15 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 6 event pairs, 0 based on Foata normal form. 1/16 useless extension candidates. Maximal degree in co-relation 33. Up to 4 conditions per place. [2024-11-17 07:45:35,980 INFO L140 encePairwiseOnDemand]: 17/23 looper letters, 0 selfloop transitions, 0 changer transitions 14/14 dead transitions. [2024-11-17 07:45:35,980 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 14 transitions, 71 flow [2024-11-17 07:45:35,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:45:35,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-17 07:45:35,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 40 transitions. [2024-11-17 07:45:35,981 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2484472049689441 [2024-11-17 07:45:35,981 INFO L175 Difference]: Start difference. First operand has 34 places, 14 transitions, 51 flow. Second operand 7 states and 40 transitions. [2024-11-17 07:45:35,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 14 transitions, 71 flow [2024-11-17 07:45:35,982 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 14 transitions, 57 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-11-17 07:45:35,982 INFO L231 Difference]: Finished difference. Result has 24 places, 0 transitions, 0 flow [2024-11-17 07:45:35,982 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=32, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=24, PETRI_TRANSITIONS=0} [2024-11-17 07:45:35,982 INFO L277 CegarLoopForPetriNet]: 24 programPoint places, 0 predicate places. [2024-11-17 07:45:35,982 INFO L471 AbstractCegarLoop]: Abstraction has has 24 places, 0 transitions, 0 flow [2024-11-17 07:45:35,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 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) [2024-11-17 07:45:35,989 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 7 remaining) [2024-11-17 07:45:35,989 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 7 remaining) [2024-11-17 07:45:35,989 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-17 07:45:35,989 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 7 remaining) [2024-11-17 07:45:35,989 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 7 remaining) [2024-11-17 07:45:35,989 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 7 remaining) [2024-11-17 07:45:35,989 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 7 remaining) [2024-11-17 07:45:35,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-17 07:45:35,990 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 1, 1, 1, 1, 1] [2024-11-17 07:45:35,998 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-17 07:45:35,998 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 07:45:36,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 07:45:36 BasicIcfg [2024-11-17 07:45:36,006 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 07:45:36,007 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 07:45:36,010 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 07:45:36,010 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 07:45:36,011 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:45:33" (3/4) ... [2024-11-17 07:45:36,012 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 07:45:36,015 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-17 07:45:36,026 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2024-11-17 07:45:36,026 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-11-17 07:45:36,026 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-17 07:45:36,026 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-17 07:45:36,026 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-17 07:45:36,026 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-17 07:45:36,165 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 07:45:36,165 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 07:45:36,165 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 07:45:36,166 INFO L158 Benchmark]: Toolchain (without parser) took 4078.88ms. Allocated memory was 201.3MB in the beginning and 316.7MB in the end (delta: 115.3MB). Free memory was 130.6MB in the beginning and 244.8MB in the end (delta: -114.2MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2024-11-17 07:45:36,166 INFO L158 Benchmark]: CDTParser took 0.99ms. Allocated memory is still 201.3MB. Free memory is still 159.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:45:36,166 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.64ms. Allocated memory is still 201.3MB. Free memory was 130.3MB in the beginning and 165.1MB in the end (delta: -34.7MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2024-11-17 07:45:36,166 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.68ms. Allocated memory is still 201.3MB. Free memory was 165.1MB in the beginning and 162.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 07:45:36,166 INFO L158 Benchmark]: Boogie Preprocessor took 36.52ms. Allocated memory is still 201.3MB. Free memory was 162.4MB in the beginning and 160.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:45:36,167 INFO L158 Benchmark]: IcfgBuilder took 429.35ms. Allocated memory is still 201.3MB. Free memory was 160.3MB in the beginning and 116.2MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-17 07:45:36,167 INFO L158 Benchmark]: TraceAbstraction took 2937.71ms. Allocated memory was 201.3MB in the beginning and 316.7MB in the end (delta: 115.3MB). Free memory was 116.2MB in the beginning and 250.0MB in the end (delta: -133.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:45:36,167 INFO L158 Benchmark]: Witness Printer took 158.56ms. Allocated memory is still 316.7MB. Free memory was 250.0MB in the beginning and 244.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-17 07:45:36,168 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99ms. Allocated memory is still 201.3MB. Free memory is still 159.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.64ms. Allocated memory is still 201.3MB. Free memory was 130.3MB in the beginning and 165.1MB in the end (delta: -34.7MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.68ms. Allocated memory is still 201.3MB. Free memory was 165.1MB in the beginning and 162.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.52ms. Allocated memory is still 201.3MB. Free memory was 162.4MB in the beginning and 160.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 429.35ms. Allocated memory is still 201.3MB. Free memory was 160.3MB in the beginning and 116.2MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2937.71ms. Allocated memory was 201.3MB in the beginning and 316.7MB in the end (delta: 115.3MB). Free memory was 116.2MB in the beginning and 250.0MB in the end (delta: -133.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 158.56ms. Allocated memory is still 316.7MB. Free memory was 250.0MB in the beginning and 244.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 931]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 931]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 923]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 923]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 35 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.9s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 306 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 246 mSDsluCounter, 341 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 306 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 989 IncrementalHoareTripleChecker+Invalid, 1023 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 35 mSDtfsCounter, 989 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=215occurred in iteration=6, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 123 NumberOfCodeBlocks, 123 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 749 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-17 07:45:36,207 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE