./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-races/race-2_2-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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/ldv-races/race-2_2-container_of.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 6053c0f6a5de5dc1a7614e5acfd1de5bdb570ebc833d8c4c70a1e68bd98ac1b0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 06:29:47,868 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 06:29:47,911 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 06:29:47,915 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 06:29:47,915 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 06:29:47,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 06:29:47,932 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 06:29:47,932 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 06:29:47,933 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 06:29:47,933 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 06:29:47,933 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 06:29:47,933 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 06:29:47,933 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 06:29:47,933 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 06:29:47,933 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 06:29:47,933 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 06:29:47,933 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 06:29:47,933 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 06:29:47,934 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 06:29:47,934 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 06:29:47,934 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 06:29:47,934 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 06:29:47,934 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 06:29:47,934 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 06:29:47,934 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 06:29:47,934 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 06:29:47,934 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 06:29:47,934 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 06:29:47,934 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 06:29:47,934 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 06:29:47,934 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 06:29:47,934 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 06:29:47,934 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 06:29:47,935 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 06:29:47,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 06:29:47,935 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 06:29:47,935 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 06:29:47,935 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 06:29:47,935 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 06:29:47,935 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 06:29:47,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 06:29:47,935 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 06:29:47,935 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 06:29:47,935 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 06:29:47,935 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 06:29:47,935 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 6053c0f6a5de5dc1a7614e5acfd1de5bdb570ebc833d8c4c70a1e68bd98ac1b0 [2025-03-09 06:29:48,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 06:29:48,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 06:29:48,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 06:29:48,209 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 06:29:48,209 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 06:29:48,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2025-03-09 06:29:49,478 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37b3f12f3/2fe481fabb584df6840c7ad1c468e1f0/FLAG8f0545810 [2025-03-09 06:29:49,842 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 06:29:49,843 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2025-03-09 06:29:49,877 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37b3f12f3/2fe481fabb584df6840c7ad1c468e1f0/FLAG8f0545810 [2025-03-09 06:29:49,897 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37b3f12f3/2fe481fabb584df6840c7ad1c468e1f0 [2025-03-09 06:29:49,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 06:29:49,901 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 06:29:49,904 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 06:29:49,905 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 06:29:49,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 06:29:49,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:29:49" (1/1) ... [2025-03-09 06:29:49,914 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7850b508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:49, skipping insertion in model container [2025-03-09 06:29:49,914 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:29:49" (1/1) ... [2025-03-09 06:29:49,959 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 06:29:50,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:29:50,255 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 06:29:50,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:29:50,367 INFO L204 MainTranslator]: Completed translation [2025-03-09 06:29:50,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:50 WrapperNode [2025-03-09 06:29:50,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 06:29:50,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 06:29:50,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 06:29:50,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 06:29:50,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:50" (1/1) ... [2025-03-09 06:29:50,388 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:50" (1/1) ... [2025-03-09 06:29:50,404 INFO L138 Inliner]: procedures = 246, calls = 40, calls flagged for inlining = 11, calls inlined = 14, statements flattened = 120 [2025-03-09 06:29:50,405 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 06:29:50,406 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 06:29:50,406 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 06:29:50,406 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 06:29:50,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:50" (1/1) ... [2025-03-09 06:29:50,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:50" (1/1) ... [2025-03-09 06:29:50,420 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:50" (1/1) ... [2025-03-09 06:29:50,440 INFO L175 MemorySlicer]: Split 15 memory accesses to 3 slices as follows [2, 2, 11]. 73 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 8 writes are split as follows [0, 2, 6]. [2025-03-09 06:29:50,440 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:50" (1/1) ... [2025-03-09 06:29:50,441 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:50" (1/1) ... [2025-03-09 06:29:50,450 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:50" (1/1) ... [2025-03-09 06:29:50,451 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:50" (1/1) ... [2025-03-09 06:29:50,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:50" (1/1) ... [2025-03-09 06:29:50,456 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:50" (1/1) ... [2025-03-09 06:29:50,459 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 06:29:50,464 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 06:29:50,464 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 06:29:50,464 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 06:29:50,465 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:50" (1/1) ... [2025-03-09 06:29:50,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 06:29:50,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:29:50,504 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) [2025-03-09 06:29:50,512 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 [2025-03-09 06:29:50,538 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2025-03-09 06:29:50,539 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2025-03-09 06:29:50,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-09 06:29:50,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-09 06:29:50,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-09 06:29:50,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-09 06:29:50,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-09 06:29:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-09 06:29:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-09 06:29:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-09 06:29:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-09 06:29:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-09 06:29:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 06:29:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-09 06:29:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-09 06:29:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-09 06:29:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 06:29:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-09 06:29:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-09 06:29:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 06:29:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 06:29:50,542 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-09 06:29:50,763 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 06:29:50,764 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 06:29:50,917 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-09 06:29:50,918 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 06:29:51,050 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 06:29:51,051 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 06:29:51,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:29:51 BoogieIcfgContainer [2025-03-09 06:29:51,051 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 06:29:51,052 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 06:29:51,052 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 06:29:51,060 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 06:29:51,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 06:29:49" (1/3) ... [2025-03-09 06:29:51,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24714c9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 06:29:51, skipping insertion in model container [2025-03-09 06:29:51,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:50" (2/3) ... [2025-03-09 06:29:51,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24714c9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 06:29:51, skipping insertion in model container [2025-03-09 06:29:51,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:29:51" (3/3) ... [2025-03-09 06:29:51,062 INFO L128 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2025-03-09 06:29:51,084 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 06:29:51,085 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-2_2-container_of.i that has 2 procedures, 24 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-03-09 06:29:51,085 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-09 06:29:51,142 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-09 06:29:51,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 34 transitions, 82 flow [2025-03-09 06:29:51,241 INFO L124 PetriNetUnfolderBase]: 2/37 cut-off events. [2025-03-09 06:29:51,242 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-09 06:29:51,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 37 events. 2/37 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 76 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 21. Up to 3 conditions per place. [2025-03-09 06:29:51,248 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 34 transitions, 82 flow [2025-03-09 06:29:51,250 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 28 transitions, 65 flow [2025-03-09 06:29:51,258 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 06:29:51,271 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;@440bee89, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 06:29:51,271 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-03-09 06:29:51,275 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-09 06:29:51,277 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events. [2025-03-09 06:29:51,277 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-09 06:29:51,277 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:51,278 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:51,278 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:29:51,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:51,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1403203418, now seen corresponding path program 1 times [2025-03-09 06:29:51,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:51,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094110008] [2025-03-09 06:29:51,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:29:51,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:51,404 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 06:29:51,462 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 06:29:51,462 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:29:51,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:52,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:29:52,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:52,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094110008] [2025-03-09 06:29:52,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094110008] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:52,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:52,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 06:29:52,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905060794] [2025-03-09 06:29:52,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:52,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 06:29:52,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:52,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 06:29:52,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-09 06:29:52,057 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:29:52,058 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 28 transitions, 65 flow. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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) [2025-03-09 06:29:52,058 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:52,059 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:29:52,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:29:52,517 INFO L124 PetriNetUnfolderBase]: 769/1306 cut-off events. [2025-03-09 06:29:52,518 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2025-03-09 06:29:52,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2638 conditions, 1306 events. 769/1306 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 6471 event pairs, 347 based on Foata normal form. 0/1086 useless extension candidates. Maximal degree in co-relation 2568. Up to 850 conditions per place. [2025-03-09 06:29:52,530 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 63 selfloop transitions, 20 changer transitions 2/86 dead transitions. [2025-03-09 06:29:52,530 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 86 transitions, 366 flow [2025-03-09 06:29:52,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-09 06:29:52,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-09 06:29:52,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 129 transitions. [2025-03-09 06:29:52,544 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.37941176470588234 [2025-03-09 06:29:52,545 INFO L175 Difference]: Start difference. First operand has 35 places, 28 transitions, 65 flow. Second operand 10 states and 129 transitions. [2025-03-09 06:29:52,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 86 transitions, 366 flow [2025-03-09 06:29:52,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 86 transitions, 355 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-03-09 06:29:52,554 INFO L231 Difference]: Finished difference. Result has 46 places, 48 transitions, 188 flow [2025-03-09 06:29:52,556 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=188, PETRI_PLACES=46, PETRI_TRANSITIONS=48} [2025-03-09 06:29:52,558 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 11 predicate places. [2025-03-09 06:29:52,559 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 48 transitions, 188 flow [2025-03-09 06:29:52,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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) [2025-03-09 06:29:52,559 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:52,559 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:52,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 06:29:52,560 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:29:52,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:52,561 INFO L85 PathProgramCache]: Analyzing trace with hash -993921536, now seen corresponding path program 1 times [2025-03-09 06:29:52,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:52,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280484652] [2025-03-09 06:29:52,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:29:52,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:52,598 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-09 06:29:52,611 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-09 06:29:52,611 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:29:52,611 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:53,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:29:53,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:53,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280484652] [2025-03-09 06:29:53,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280484652] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:53,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:53,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 06:29:53,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675311431] [2025-03-09 06:29:53,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:53,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 06:29:53,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:53,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 06:29:53,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-09 06:29:53,006 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:29:53,006 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 48 transitions, 188 flow. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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) [2025-03-09 06:29:53,006 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:53,006 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:29:53,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:29:53,441 INFO L124 PetriNetUnfolderBase]: 899/1554 cut-off events. [2025-03-09 06:29:53,441 INFO L125 PetriNetUnfolderBase]: For 756/756 co-relation queries the response was YES. [2025-03-09 06:29:53,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3993 conditions, 1554 events. 899/1554 cut-off events. For 756/756 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 8221 event pairs, 533 based on Foata normal form. 0/1372 useless extension candidates. Maximal degree in co-relation 3585. Up to 1126 conditions per place. [2025-03-09 06:29:53,455 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 64 selfloop transitions, 27 changer transitions 4/96 dead transitions. [2025-03-09 06:29:53,455 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 96 transitions, 550 flow [2025-03-09 06:29:53,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-09 06:29:53,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-09 06:29:53,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 125 transitions. [2025-03-09 06:29:53,458 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.36764705882352944 [2025-03-09 06:29:53,458 INFO L175 Difference]: Start difference. First operand has 46 places, 48 transitions, 188 flow. Second operand 10 states and 125 transitions. [2025-03-09 06:29:53,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 96 transitions, 550 flow [2025-03-09 06:29:53,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 96 transitions, 548 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:29:53,467 INFO L231 Difference]: Finished difference. Result has 58 places, 64 transitions, 344 flow [2025-03-09 06:29:53,467 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=344, PETRI_PLACES=58, PETRI_TRANSITIONS=64} [2025-03-09 06:29:53,469 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 23 predicate places. [2025-03-09 06:29:53,469 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 64 transitions, 344 flow [2025-03-09 06:29:53,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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) [2025-03-09 06:29:53,469 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:53,469 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:53,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-09 06:29:53,469 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:29:53,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:53,470 INFO L85 PathProgramCache]: Analyzing trace with hash 242750689, now seen corresponding path program 1 times [2025-03-09 06:29:53,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:53,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552036213] [2025-03-09 06:29:53,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:29:53,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:53,493 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-09 06:29:53,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-09 06:29:53,501 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:29:53,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:54,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:29:54,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:54,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552036213] [2025-03-09 06:29:54,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552036213] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:54,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:54,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:29:54,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025471655] [2025-03-09 06:29:54,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:54,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:29:54,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:54,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:29:54,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:29:54,042 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:29:54,043 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 64 transitions, 344 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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) [2025-03-09 06:29:54,043 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:54,043 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:29:54,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:29:54,653 INFO L124 PetriNetUnfolderBase]: 1385/2406 cut-off events. [2025-03-09 06:29:54,653 INFO L125 PetriNetUnfolderBase]: For 2397/2397 co-relation queries the response was YES. [2025-03-09 06:29:54,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7248 conditions, 2406 events. 1385/2406 cut-off events. For 2397/2397 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 14186 event pairs, 625 based on Foata normal form. 58/2304 useless extension candidates. Maximal degree in co-relation 4622. Up to 1524 conditions per place. [2025-03-09 06:29:54,668 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 98 selfloop transitions, 49 changer transitions 7/155 dead transitions. [2025-03-09 06:29:54,668 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 155 transitions, 1108 flow [2025-03-09 06:29:54,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 06:29:54,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-03-09 06:29:54,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 154 transitions. [2025-03-09 06:29:54,669 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.37745098039215685 [2025-03-09 06:29:54,670 INFO L175 Difference]: Start difference. First operand has 58 places, 64 transitions, 344 flow. Second operand 12 states and 154 transitions. [2025-03-09 06:29:54,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 155 transitions, 1108 flow [2025-03-09 06:29:54,676 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 155 transitions, 1108 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-09 06:29:54,677 INFO L231 Difference]: Finished difference. Result has 77 places, 104 transitions, 806 flow [2025-03-09 06:29:54,678 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=806, PETRI_PLACES=77, PETRI_TRANSITIONS=104} [2025-03-09 06:29:54,678 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 42 predicate places. [2025-03-09 06:29:54,678 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 104 transitions, 806 flow [2025-03-09 06:29:54,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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) [2025-03-09 06:29:54,678 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:54,678 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:54,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-09 06:29:54,679 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:29:54,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:54,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1670126849, now seen corresponding path program 1 times [2025-03-09 06:29:54,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:54,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431857025] [2025-03-09 06:29:54,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:29:54,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:54,693 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-09 06:29:54,700 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-09 06:29:54,700 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:29:54,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:55,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:29:55,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:55,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431857025] [2025-03-09 06:29:55,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431857025] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:55,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:55,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:29:55,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199379602] [2025-03-09 06:29:55,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:55,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:29:55,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:55,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:29:55,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:29:55,153 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:29:55,153 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 104 transitions, 806 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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) [2025-03-09 06:29:55,153 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:55,153 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:29:55,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:29:55,995 INFO L124 PetriNetUnfolderBase]: 1656/2895 cut-off events. [2025-03-09 06:29:55,996 INFO L125 PetriNetUnfolderBase]: For 8254/8262 co-relation queries the response was YES. [2025-03-09 06:29:56,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11049 conditions, 2895 events. 1656/2895 cut-off events. For 8254/8262 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 17861 event pairs, 731 based on Foata normal form. 62/2769 useless extension candidates. Maximal degree in co-relation 10738. Up to 1646 conditions per place. [2025-03-09 06:29:56,013 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 107 selfloop transitions, 96 changer transitions 5/209 dead transitions. [2025-03-09 06:29:56,014 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 209 transitions, 1918 flow [2025-03-09 06:29:56,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-09 06:29:56,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-09 06:29:56,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 221 transitions. [2025-03-09 06:29:56,016 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.325 [2025-03-09 06:29:56,017 INFO L175 Difference]: Start difference. First operand has 77 places, 104 transitions, 806 flow. Second operand 20 states and 221 transitions. [2025-03-09 06:29:56,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 209 transitions, 1918 flow [2025-03-09 06:29:56,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 209 transitions, 1889 flow, removed 10 selfloop flow, removed 2 redundant places. [2025-03-09 06:29:56,033 INFO L231 Difference]: Finished difference. Result has 103 places, 146 transitions, 1456 flow [2025-03-09 06:29:56,034 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=789, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=1456, PETRI_PLACES=103, PETRI_TRANSITIONS=146} [2025-03-09 06:29:56,035 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 68 predicate places. [2025-03-09 06:29:56,035 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 146 transitions, 1456 flow [2025-03-09 06:29:56,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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) [2025-03-09 06:29:56,036 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:56,036 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:56,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-09 06:29:56,036 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:29:56,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:56,037 INFO L85 PathProgramCache]: Analyzing trace with hash 55961343, now seen corresponding path program 2 times [2025-03-09 06:29:56,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:56,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685829648] [2025-03-09 06:29:56,037 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:29:56,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:56,057 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 12 statements into 1 equivalence classes. [2025-03-09 06:29:56,065 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-09 06:29:56,068 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:29:56,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:56,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:29:56,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:56,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685829648] [2025-03-09 06:29:56,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685829648] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:56,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:56,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:29:56,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92697536] [2025-03-09 06:29:56,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:56,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:29:56,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:56,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:29:56,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:29:56,435 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:29:56,436 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 146 transitions, 1456 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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) [2025-03-09 06:29:56,436 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:56,436 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:29:56,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:29:57,374 INFO L124 PetriNetUnfolderBase]: 1952/3469 cut-off events. [2025-03-09 06:29:57,374 INFO L125 PetriNetUnfolderBase]: For 16547/16549 co-relation queries the response was YES. [2025-03-09 06:29:57,383 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15370 conditions, 3469 events. 1952/3469 cut-off events. For 16547/16549 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 22748 event pairs, 1093 based on Foata normal form. 52/3313 useless extension candidates. Maximal degree in co-relation 15136. Up to 2295 conditions per place. [2025-03-09 06:29:57,396 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 144 selfloop transitions, 93 changer transitions 7/245 dead transitions. [2025-03-09 06:29:57,396 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 245 transitions, 2714 flow [2025-03-09 06:29:57,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-09 06:29:57,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-09 06:29:57,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 219 transitions. [2025-03-09 06:29:57,398 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3220588235294118 [2025-03-09 06:29:57,398 INFO L175 Difference]: Start difference. First operand has 103 places, 146 transitions, 1456 flow. Second operand 20 states and 219 transitions. [2025-03-09 06:29:57,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 245 transitions, 2714 flow [2025-03-09 06:29:57,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 245 transitions, 2646 flow, removed 19 selfloop flow, removed 4 redundant places. [2025-03-09 06:29:57,423 INFO L231 Difference]: Finished difference. Result has 124 places, 185 transitions, 2100 flow [2025-03-09 06:29:57,424 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1403, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=2100, PETRI_PLACES=124, PETRI_TRANSITIONS=185} [2025-03-09 06:29:57,424 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 89 predicate places. [2025-03-09 06:29:57,424 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 185 transitions, 2100 flow [2025-03-09 06:29:57,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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) [2025-03-09 06:29:57,425 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:57,425 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:57,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-09 06:29:57,425 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:29:57,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:57,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1476187439, now seen corresponding path program 3 times [2025-03-09 06:29:57,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:57,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642214685] [2025-03-09 06:29:57,426 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:29:57,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:57,438 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 12 statements into 1 equivalence classes. [2025-03-09 06:29:57,442 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-09 06:29:57,443 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:29:57,443 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:57,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:29:57,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:57,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642214685] [2025-03-09 06:29:57,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642214685] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:57,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:57,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:29:57,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384769913] [2025-03-09 06:29:57,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:57,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:29:57,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:57,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:29:57,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:29:57,808 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:29:57,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 185 transitions, 2100 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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) [2025-03-09 06:29:57,808 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:57,808 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:29:57,808 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:29:58,766 INFO L124 PetriNetUnfolderBase]: 1841/3313 cut-off events. [2025-03-09 06:29:58,766 INFO L125 PetriNetUnfolderBase]: For 20673/20675 co-relation queries the response was YES. [2025-03-09 06:29:58,783 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15560 conditions, 3313 events. 1841/3313 cut-off events. For 20673/20675 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 21730 event pairs, 982 based on Foata normal form. 56/3183 useless extension candidates. Maximal degree in co-relation 15299. Up to 1883 conditions per place. [2025-03-09 06:29:58,808 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 152 selfloop transitions, 115 changer transitions 4/272 dead transitions. [2025-03-09 06:29:58,808 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 272 transitions, 3349 flow [2025-03-09 06:29:58,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-09 06:29:58,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-09 06:29:58,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 224 transitions. [2025-03-09 06:29:58,813 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.32941176470588235 [2025-03-09 06:29:58,813 INFO L175 Difference]: Start difference. First operand has 124 places, 185 transitions, 2100 flow. Second operand 20 states and 224 transitions. [2025-03-09 06:29:58,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 272 transitions, 3349 flow [2025-03-09 06:29:58,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 272 transitions, 3180 flow, removed 50 selfloop flow, removed 6 redundant places. [2025-03-09 06:29:58,868 INFO L231 Difference]: Finished difference. Result has 142 places, 211 transitions, 2629 flow [2025-03-09 06:29:58,869 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1957, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=2629, PETRI_PLACES=142, PETRI_TRANSITIONS=211} [2025-03-09 06:29:58,870 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 107 predicate places. [2025-03-09 06:29:58,870 INFO L471 AbstractCegarLoop]: Abstraction has has 142 places, 211 transitions, 2629 flow [2025-03-09 06:29:58,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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) [2025-03-09 06:29:58,870 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:58,870 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:58,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-09 06:29:58,871 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:29:58,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:58,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1675691263, now seen corresponding path program 2 times [2025-03-09 06:29:58,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:58,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679520957] [2025-03-09 06:29:58,872 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:29:58,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:58,887 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 12 statements into 1 equivalence classes. [2025-03-09 06:29:58,892 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-09 06:29:58,893 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:29:58,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:59,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:29:59,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:59,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679520957] [2025-03-09 06:29:59,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679520957] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:59,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:59,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:29:59,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199228309] [2025-03-09 06:29:59,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:59,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:29:59,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:59,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:29:59,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:29:59,224 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:29:59,224 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 211 transitions, 2629 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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) [2025-03-09 06:29:59,224 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:59,224 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:29:59,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:00,179 INFO L124 PetriNetUnfolderBase]: 1958/3583 cut-off events. [2025-03-09 06:30:00,180 INFO L125 PetriNetUnfolderBase]: For 27674/27686 co-relation queries the response was YES. [2025-03-09 06:30:00,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18223 conditions, 3583 events. 1958/3583 cut-off events. For 27674/27686 co-relation queries the response was YES. Maximal size of possible extension queue 280. Compared 24444 event pairs, 1157 based on Foata normal form. 78/3475 useless extension candidates. Maximal degree in co-relation 17936. Up to 2114 conditions per place. [2025-03-09 06:30:00,220 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 164 selfloop transitions, 91 changer transitions 15/271 dead transitions. [2025-03-09 06:30:00,220 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 271 transitions, 3670 flow [2025-03-09 06:30:00,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 06:30:00,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-09 06:30:00,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 170 transitions. [2025-03-09 06:30:00,266 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3333333333333333 [2025-03-09 06:30:00,266 INFO L175 Difference]: Start difference. First operand has 142 places, 211 transitions, 2629 flow. Second operand 15 states and 170 transitions. [2025-03-09 06:30:00,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 271 transitions, 3670 flow [2025-03-09 06:30:00,309 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 271 transitions, 3343 flow, removed 48 selfloop flow, removed 15 redundant places. [2025-03-09 06:30:00,314 INFO L231 Difference]: Finished difference. Result has 144 places, 216 transitions, 2609 flow [2025-03-09 06:30:00,314 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2332, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2609, PETRI_PLACES=144, PETRI_TRANSITIONS=216} [2025-03-09 06:30:00,315 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 109 predicate places. [2025-03-09 06:30:00,315 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 216 transitions, 2609 flow [2025-03-09 06:30:00,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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) [2025-03-09 06:30:00,315 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:00,315 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:00,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-09 06:30:00,315 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:00,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:00,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1476187663, now seen corresponding path program 3 times [2025-03-09 06:30:00,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:00,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435875013] [2025-03-09 06:30:00,316 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:30:00,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:00,332 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 12 statements into 1 equivalence classes. [2025-03-09 06:30:00,336 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-09 06:30:00,336 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:30:00,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:00,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:00,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:00,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435875013] [2025-03-09 06:30:00,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435875013] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:00,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:00,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:30:00,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051822186] [2025-03-09 06:30:00,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:00,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:30:00,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:00,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:30:00,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:30:00,586 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:30:00,586 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 216 transitions, 2609 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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) [2025-03-09 06:30:00,586 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:00,586 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:30:00,586 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:01,529 INFO L124 PetriNetUnfolderBase]: 1873/3443 cut-off events. [2025-03-09 06:30:01,529 INFO L125 PetriNetUnfolderBase]: For 27156/27158 co-relation queries the response was YES. [2025-03-09 06:30:01,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17871 conditions, 3443 events. 1873/3443 cut-off events. For 27156/27158 co-relation queries the response was YES. Maximal size of possible extension queue 274. Compared 23440 event pairs, 1027 based on Foata normal form. 72/3337 useless extension candidates. Maximal degree in co-relation 16341. Up to 2037 conditions per place. [2025-03-09 06:30:01,554 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 150 selfloop transitions, 120 changer transitions 13/284 dead transitions. [2025-03-09 06:30:01,554 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 284 transitions, 3701 flow [2025-03-09 06:30:01,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-09 06:30:01,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-09 06:30:01,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 210 transitions. [2025-03-09 06:30:01,557 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.32507739938080493 [2025-03-09 06:30:01,557 INFO L175 Difference]: Start difference. First operand has 144 places, 216 transitions, 2609 flow. Second operand 19 states and 210 transitions. [2025-03-09 06:30:01,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 284 transitions, 3701 flow [2025-03-09 06:30:01,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 284 transitions, 3512 flow, removed 43 selfloop flow, removed 7 redundant places. [2025-03-09 06:30:01,614 INFO L231 Difference]: Finished difference. Result has 160 places, 223 transitions, 2846 flow [2025-03-09 06:30:01,615 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2444, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=113, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=2846, PETRI_PLACES=160, PETRI_TRANSITIONS=223} [2025-03-09 06:30:01,617 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 125 predicate places. [2025-03-09 06:30:01,617 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 223 transitions, 2846 flow [2025-03-09 06:30:01,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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) [2025-03-09 06:30:01,617 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:01,617 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:01,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-09 06:30:01,617 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:01,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:01,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1565401981, now seen corresponding path program 1 times [2025-03-09 06:30:01,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:01,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577148726] [2025-03-09 06:30:01,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:30:01,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:01,632 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 06:30:01,644 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:01,644 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:01,644 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:02,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:02,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:02,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577148726] [2025-03-09 06:30:02,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577148726] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:02,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:02,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-09 06:30:02,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489757170] [2025-03-09 06:30:02,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:02,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 06:30:02,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:02,068 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 06:30:02,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2025-03-09 06:30:02,068 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:30:02,068 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 223 transitions, 2846 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 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) [2025-03-09 06:30:02,068 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:02,069 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:30:02,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:03,178 INFO L124 PetriNetUnfolderBase]: 1852/3447 cut-off events. [2025-03-09 06:30:03,179 INFO L125 PetriNetUnfolderBase]: For 28913/28915 co-relation queries the response was YES. [2025-03-09 06:30:03,196 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18300 conditions, 3447 events. 1852/3447 cut-off events. For 28913/28915 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 23525 event pairs, 619 based on Foata normal form. 0/3289 useless extension candidates. Maximal degree in co-relation 17830. Up to 1520 conditions per place. [2025-03-09 06:30:03,213 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 201 selfloop transitions, 131 changer transitions 13/346 dead transitions. [2025-03-09 06:30:03,214 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 346 transitions, 4584 flow [2025-03-09 06:30:03,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-09 06:30:03,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2025-03-09 06:30:03,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 249 transitions. [2025-03-09 06:30:03,219 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.31841432225063937 [2025-03-09 06:30:03,219 INFO L175 Difference]: Start difference. First operand has 160 places, 223 transitions, 2846 flow. Second operand 23 states and 249 transitions. [2025-03-09 06:30:03,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 346 transitions, 4584 flow [2025-03-09 06:30:03,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 346 transitions, 4346 flow, removed 27 selfloop flow, removed 13 redundant places. [2025-03-09 06:30:03,307 INFO L231 Difference]: Finished difference. Result has 180 places, 260 transitions, 3547 flow [2025-03-09 06:30:03,307 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2627, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=3547, PETRI_PLACES=180, PETRI_TRANSITIONS=260} [2025-03-09 06:30:03,309 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 145 predicate places. [2025-03-09 06:30:03,309 INFO L471 AbstractCegarLoop]: Abstraction has has 180 places, 260 transitions, 3547 flow [2025-03-09 06:30:03,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 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) [2025-03-09 06:30:03,309 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:03,309 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:03,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-09 06:30:03,309 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:03,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:03,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1565401980, now seen corresponding path program 1 times [2025-03-09 06:30:03,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:03,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734131849] [2025-03-09 06:30:03,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:30:03,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:03,329 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 06:30:03,335 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:03,336 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:03,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:03,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:03,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:03,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734131849] [2025-03-09 06:30:03,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734131849] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:03,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:03,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:03,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802742011] [2025-03-09 06:30:03,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:03,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:03,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:03,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:03,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:03,760 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:30:03,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 260 transitions, 3547 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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) [2025-03-09 06:30:03,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:03,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:30:03,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:04,562 INFO L124 PetriNetUnfolderBase]: 1397/2678 cut-off events. [2025-03-09 06:30:04,563 INFO L125 PetriNetUnfolderBase]: For 35762/35764 co-relation queries the response was YES. [2025-03-09 06:30:04,574 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16354 conditions, 2678 events. 1397/2678 cut-off events. For 35762/35764 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 18164 event pairs, 568 based on Foata normal form. 14/2608 useless extension candidates. Maximal degree in co-relation 15888. Up to 2117 conditions per place. [2025-03-09 06:30:04,583 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 238 selfloop transitions, 64 changer transitions 27/330 dead transitions. [2025-03-09 06:30:04,583 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 330 transitions, 4802 flow [2025-03-09 06:30:04,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-09 06:30:04,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-09 06:30:04,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 180 transitions. [2025-03-09 06:30:04,585 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.31141868512110726 [2025-03-09 06:30:04,585 INFO L175 Difference]: Start difference. First operand has 180 places, 260 transitions, 3547 flow. Second operand 17 states and 180 transitions. [2025-03-09 06:30:04,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 330 transitions, 4802 flow [2025-03-09 06:30:04,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 330 transitions, 4410 flow, removed 154 selfloop flow, removed 10 redundant places. [2025-03-09 06:30:04,694 INFO L231 Difference]: Finished difference. Result has 194 places, 273 transitions, 3633 flow [2025-03-09 06:30:04,694 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3283, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=3633, PETRI_PLACES=194, PETRI_TRANSITIONS=273} [2025-03-09 06:30:04,695 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 159 predicate places. [2025-03-09 06:30:04,695 INFO L471 AbstractCegarLoop]: Abstraction has has 194 places, 273 transitions, 3633 flow [2025-03-09 06:30:04,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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) [2025-03-09 06:30:04,695 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:04,695 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:04,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-09 06:30:04,696 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:04,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:04,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1637476980, now seen corresponding path program 2 times [2025-03-09 06:30:04,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:04,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440769063] [2025-03-09 06:30:04,696 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:04,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:04,706 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 14 statements into 1 equivalence classes. [2025-03-09 06:30:04,711 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:04,711 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:04,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:05,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:05,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:05,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440769063] [2025-03-09 06:30:05,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440769063] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:05,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:05,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:05,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350734436] [2025-03-09 06:30:05,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:05,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:05,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:05,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:05,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:05,042 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:30:05,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 273 transitions, 3633 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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) [2025-03-09 06:30:05,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:05,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:30:05,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:06,043 INFO L124 PetriNetUnfolderBase]: 1599/3061 cut-off events. [2025-03-09 06:30:06,044 INFO L125 PetriNetUnfolderBase]: For 42562/42564 co-relation queries the response was YES. [2025-03-09 06:30:06,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18409 conditions, 3061 events. 1599/3061 cut-off events. For 42562/42564 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 21235 event pairs, 470 based on Foata normal form. 32/3009 useless extension candidates. Maximal degree in co-relation 17942. Up to 1409 conditions per place. [2025-03-09 06:30:06,072 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 291 selfloop transitions, 132 changer transitions 0/424 dead transitions. [2025-03-09 06:30:06,072 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 424 transitions, 5932 flow [2025-03-09 06:30:06,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-09 06:30:06,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-03-09 06:30:06,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 243 transitions. [2025-03-09 06:30:06,076 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3403361344537815 [2025-03-09 06:30:06,076 INFO L175 Difference]: Start difference. First operand has 194 places, 273 transitions, 3633 flow. Second operand 21 states and 243 transitions. [2025-03-09 06:30:06,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 424 transitions, 5932 flow [2025-03-09 06:30:06,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 424 transitions, 5754 flow, removed 51 selfloop flow, removed 7 redundant places. [2025-03-09 06:30:06,288 INFO L231 Difference]: Finished difference. Result has 215 places, 327 transitions, 4816 flow [2025-03-09 06:30:06,289 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3513, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=81, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=4816, PETRI_PLACES=215, PETRI_TRANSITIONS=327} [2025-03-09 06:30:06,289 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 180 predicate places. [2025-03-09 06:30:06,289 INFO L471 AbstractCegarLoop]: Abstraction has has 215 places, 327 transitions, 4816 flow [2025-03-09 06:30:06,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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) [2025-03-09 06:30:06,290 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:06,290 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:06,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-09 06:30:06,290 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:06,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:06,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1648518871, now seen corresponding path program 2 times [2025-03-09 06:30:06,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:06,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884714116] [2025-03-09 06:30:06,291 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:06,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:06,304 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 14 statements into 1 equivalence classes. [2025-03-09 06:30:06,310 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:06,310 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:06,310 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:06,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:06,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:06,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884714116] [2025-03-09 06:30:06,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884714116] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:06,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:06,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-09 06:30:06,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877154216] [2025-03-09 06:30:06,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:06,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 06:30:06,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:06,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 06:30:06,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-03-09 06:30:06,753 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:30:06,754 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 327 transitions, 4816 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 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) [2025-03-09 06:30:06,754 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:06,754 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:30:06,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:07,987 INFO L124 PetriNetUnfolderBase]: 1749/3361 cut-off events. [2025-03-09 06:30:07,987 INFO L125 PetriNetUnfolderBase]: For 52570/52572 co-relation queries the response was YES. [2025-03-09 06:30:08,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21335 conditions, 3361 events. 1749/3361 cut-off events. For 52570/52572 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 23735 event pairs, 456 based on Foata normal form. 14/3291 useless extension candidates. Maximal degree in co-relation 20562. Up to 1062 conditions per place. [2025-03-09 06:30:08,011 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 275 selfloop transitions, 171 changer transitions 9/456 dead transitions. [2025-03-09 06:30:08,011 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 456 transitions, 7012 flow [2025-03-09 06:30:08,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-09 06:30:08,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2025-03-09 06:30:08,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 272 transitions. [2025-03-09 06:30:08,012 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.32 [2025-03-09 06:30:08,012 INFO L175 Difference]: Start difference. First operand has 215 places, 327 transitions, 4816 flow. Second operand 25 states and 272 transitions. [2025-03-09 06:30:08,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 456 transitions, 7012 flow [2025-03-09 06:30:08,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 456 transitions, 6697 flow, removed 153 selfloop flow, removed 3 redundant places. [2025-03-09 06:30:08,222 INFO L231 Difference]: Finished difference. Result has 243 places, 359 transitions, 5719 flow [2025-03-09 06:30:08,223 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4637, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=140, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=5719, PETRI_PLACES=243, PETRI_TRANSITIONS=359} [2025-03-09 06:30:08,223 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 208 predicate places. [2025-03-09 06:30:08,224 INFO L471 AbstractCegarLoop]: Abstraction has has 243 places, 359 transitions, 5719 flow [2025-03-09 06:30:08,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 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) [2025-03-09 06:30:08,224 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:08,224 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:08,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-09 06:30:08,224 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:08,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:08,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1648518870, now seen corresponding path program 3 times [2025-03-09 06:30:08,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:08,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307777222] [2025-03-09 06:30:08,224 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:30:08,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:08,236 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 14 statements into 1 equivalence classes. [2025-03-09 06:30:08,240 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:08,241 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:30:08,241 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:08,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:08,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:08,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307777222] [2025-03-09 06:30:08,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307777222] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:08,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:08,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:08,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853185952] [2025-03-09 06:30:08,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:08,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:08,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:08,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:08,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:08,525 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:30:08,525 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 359 transitions, 5719 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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) [2025-03-09 06:30:08,526 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:08,526 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:30:08,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:09,311 INFO L124 PetriNetUnfolderBase]: 1824/3537 cut-off events. [2025-03-09 06:30:09,312 INFO L125 PetriNetUnfolderBase]: For 60989/60991 co-relation queries the response was YES. [2025-03-09 06:30:09,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23125 conditions, 3537 events. 1824/3537 cut-off events. For 60989/60991 co-relation queries the response was YES. Maximal size of possible extension queue 256. Compared 25637 event pairs, 656 based on Foata normal form. 18/3471 useless extension candidates. Maximal degree in co-relation 22623. Up to 2323 conditions per place. [2025-03-09 06:30:09,340 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 335 selfloop transitions, 109 changer transitions 21/466 dead transitions. [2025-03-09 06:30:09,340 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 466 transitions, 7636 flow [2025-03-09 06:30:09,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-09 06:30:09,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-03-09 06:30:09,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 234 transitions. [2025-03-09 06:30:09,341 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3277310924369748 [2025-03-09 06:30:09,342 INFO L175 Difference]: Start difference. First operand has 243 places, 359 transitions, 5719 flow. Second operand 21 states and 234 transitions. [2025-03-09 06:30:09,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 466 transitions, 7636 flow [2025-03-09 06:30:09,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 466 transitions, 7466 flow, removed 25 selfloop flow, removed 12 redundant places. [2025-03-09 06:30:09,622 INFO L231 Difference]: Finished difference. Result has 259 places, 380 transitions, 6239 flow [2025-03-09 06:30:09,622 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5544, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=6239, PETRI_PLACES=259, PETRI_TRANSITIONS=380} [2025-03-09 06:30:09,623 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 224 predicate places. [2025-03-09 06:30:09,623 INFO L471 AbstractCegarLoop]: Abstraction has has 259 places, 380 transitions, 6239 flow [2025-03-09 06:30:09,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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) [2025-03-09 06:30:09,623 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:09,623 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:09,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-09 06:30:09,623 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:09,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:09,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1637476981, now seen corresponding path program 3 times [2025-03-09 06:30:09,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:09,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039506670] [2025-03-09 06:30:09,623 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:30:09,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:09,632 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 14 statements into 1 equivalence classes. [2025-03-09 06:30:09,635 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:09,636 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:30:09,636 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:10,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:10,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:10,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039506670] [2025-03-09 06:30:10,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039506670] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:10,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:10,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-03-09 06:30:10,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568897299] [2025-03-09 06:30:10,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:10,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-09 06:30:10,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:10,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-09 06:30:10,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2025-03-09 06:30:10,034 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:30:10,034 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 380 transitions, 6239 flow. Second operand has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 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) [2025-03-09 06:30:10,034 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:10,034 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:30:10,035 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:11,218 INFO L124 PetriNetUnfolderBase]: 1774/3435 cut-off events. [2025-03-09 06:30:11,218 INFO L125 PetriNetUnfolderBase]: For 63400/63402 co-relation queries the response was YES. [2025-03-09 06:30:11,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22862 conditions, 3435 events. 1774/3435 cut-off events. For 63400/63402 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 24740 event pairs, 665 based on Foata normal form. 28/3379 useless extension candidates. Maximal degree in co-relation 22698. Up to 2609 conditions per place. [2025-03-09 06:30:11,251 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 306 selfloop transitions, 92 changer transitions 48/447 dead transitions. [2025-03-09 06:30:11,254 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 447 transitions, 7403 flow [2025-03-09 06:30:11,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-09 06:30:11,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-03-09 06:30:11,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 224 transitions. [2025-03-09 06:30:11,256 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3137254901960784 [2025-03-09 06:30:11,256 INFO L175 Difference]: Start difference. First operand has 259 places, 380 transitions, 6239 flow. Second operand 21 states and 224 transitions. [2025-03-09 06:30:11,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 447 transitions, 7403 flow [2025-03-09 06:30:11,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 447 transitions, 7254 flow, removed 38 selfloop flow, removed 8 redundant places. [2025-03-09 06:30:11,527 INFO L231 Difference]: Finished difference. Result has 271 places, 363 transitions, 5958 flow [2025-03-09 06:30:11,527 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5960, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=91, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=5958, PETRI_PLACES=271, PETRI_TRANSITIONS=363} [2025-03-09 06:30:11,528 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 236 predicate places. [2025-03-09 06:30:11,528 INFO L471 AbstractCegarLoop]: Abstraction has has 271 places, 363 transitions, 5958 flow [2025-03-09 06:30:11,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 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) [2025-03-09 06:30:11,528 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:11,528 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:11,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-09 06:30:11,528 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:11,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:11,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1617969117, now seen corresponding path program 1 times [2025-03-09 06:30:11,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:11,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416078100] [2025-03-09 06:30:11,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:30:11,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:11,538 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 06:30:11,541 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:11,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:11,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:11,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:11,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:11,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416078100] [2025-03-09 06:30:11,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416078100] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:11,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:11,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 06:30:11,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874547727] [2025-03-09 06:30:11,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:11,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 06:30:11,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:11,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 06:30:11,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 06:30:11,585 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 34 [2025-03-09 06:30:11,585 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 363 transitions, 5958 flow. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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) [2025-03-09 06:30:11,585 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:11,585 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 34 [2025-03-09 06:30:11,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:11,929 INFO L124 PetriNetUnfolderBase]: 979/1890 cut-off events. [2025-03-09 06:30:11,929 INFO L125 PetriNetUnfolderBase]: For 35799/35799 co-relation queries the response was YES. [2025-03-09 06:30:11,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12727 conditions, 1890 events. 979/1890 cut-off events. For 35799/35799 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 12394 event pairs, 161 based on Foata normal form. 0/1850 useless extension candidates. Maximal degree in co-relation 12637. Up to 1129 conditions per place. [2025-03-09 06:30:11,943 INFO L140 encePairwiseOnDemand]: 31/34 looper letters, 302 selfloop transitions, 45 changer transitions 34/381 dead transitions. [2025-03-09 06:30:11,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 381 transitions, 7321 flow [2025-03-09 06:30:11,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 06:30:11,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-09 06:30:11,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 66 transitions. [2025-03-09 06:30:11,944 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4852941176470588 [2025-03-09 06:30:11,944 INFO L175 Difference]: Start difference. First operand has 271 places, 363 transitions, 5958 flow. Second operand 4 states and 66 transitions. [2025-03-09 06:30:11,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 381 transitions, 7321 flow [2025-03-09 06:30:12,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 381 transitions, 6737 flow, removed 54 selfloop flow, removed 30 redundant places. [2025-03-09 06:30:12,061 INFO L231 Difference]: Finished difference. Result has 232 places, 237 transitions, 3717 flow [2025-03-09 06:30:12,061 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4055, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=3717, PETRI_PLACES=232, PETRI_TRANSITIONS=237} [2025-03-09 06:30:12,061 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 197 predicate places. [2025-03-09 06:30:12,062 INFO L471 AbstractCegarLoop]: Abstraction has has 232 places, 237 transitions, 3717 flow [2025-03-09 06:30:12,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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) [2025-03-09 06:30:12,062 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:12,062 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:12,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-09 06:30:12,062 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:12,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:12,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1799210431, now seen corresponding path program 4 times [2025-03-09 06:30:12,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:12,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605181091] [2025-03-09 06:30:12,063 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 06:30:12,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:12,076 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 14 statements into 2 equivalence classes. [2025-03-09 06:30:12,082 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:12,082 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 06:30:12,082 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:12,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:12,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:12,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605181091] [2025-03-09 06:30:12,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605181091] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:12,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:12,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-03-09 06:30:12,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232502529] [2025-03-09 06:30:12,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:12,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-09 06:30:12,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:12,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-09 06:30:12,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2025-03-09 06:30:12,551 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:30:12,551 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 237 transitions, 3717 flow. Second operand has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 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) [2025-03-09 06:30:12,551 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:12,551 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:30:12,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:13,479 INFO L124 PetriNetUnfolderBase]: 1026/1969 cut-off events. [2025-03-09 06:30:13,479 INFO L125 PetriNetUnfolderBase]: For 25920/25920 co-relation queries the response was YES. [2025-03-09 06:30:13,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12758 conditions, 1969 events. 1026/1969 cut-off events. For 25920/25920 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 12376 event pairs, 366 based on Foata normal form. 14/1935 useless extension candidates. Maximal degree in co-relation 12682. Up to 1227 conditions per place. [2025-03-09 06:30:13,494 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 222 selfloop transitions, 94 changer transitions 39/355 dead transitions. [2025-03-09 06:30:13,494 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 355 transitions, 5541 flow [2025-03-09 06:30:13,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-09 06:30:13,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2025-03-09 06:30:13,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 264 transitions. [2025-03-09 06:30:13,495 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2986425339366516 [2025-03-09 06:30:13,495 INFO L175 Difference]: Start difference. First operand has 232 places, 237 transitions, 3717 flow. Second operand 26 states and 264 transitions. [2025-03-09 06:30:13,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 355 transitions, 5541 flow [2025-03-09 06:30:13,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 355 transitions, 5066 flow, removed 16 selfloop flow, removed 17 redundant places. [2025-03-09 06:30:13,601 INFO L231 Difference]: Finished difference. Result has 229 places, 255 transitions, 4005 flow [2025-03-09 06:30:13,602 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3389, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=4005, PETRI_PLACES=229, PETRI_TRANSITIONS=255} [2025-03-09 06:30:13,602 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 194 predicate places. [2025-03-09 06:30:13,602 INFO L471 AbstractCegarLoop]: Abstraction has has 229 places, 255 transitions, 4005 flow [2025-03-09 06:30:13,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 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) [2025-03-09 06:30:13,602 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:13,602 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:13,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-09 06:30:13,602 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:13,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:13,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1788168542, now seen corresponding path program 4 times [2025-03-09 06:30:13,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:13,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684493747] [2025-03-09 06:30:13,603 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 06:30:13,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:13,614 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 14 statements into 2 equivalence classes. [2025-03-09 06:30:13,618 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:13,618 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 06:30:13,618 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:13,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:13,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:13,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684493747] [2025-03-09 06:30:13,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684493747] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:13,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:13,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-09 06:30:13,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916759536] [2025-03-09 06:30:13,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:13,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 06:30:13,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:13,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 06:30:13,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2025-03-09 06:30:13,925 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:30:13,926 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 255 transitions, 4005 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 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) [2025-03-09 06:30:13,926 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:13,926 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:30:13,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:14,650 INFO L124 PetriNetUnfolderBase]: 976/1877 cut-off events. [2025-03-09 06:30:14,651 INFO L125 PetriNetUnfolderBase]: For 22031/22031 co-relation queries the response was YES. [2025-03-09 06:30:14,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11834 conditions, 1877 events. 976/1877 cut-off events. For 22031/22031 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 11611 event pairs, 228 based on Foata normal form. 10/1839 useless extension candidates. Maximal degree in co-relation 11761. Up to 726 conditions per place. [2025-03-09 06:30:14,665 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 179 selfloop transitions, 133 changer transitions 4/316 dead transitions. [2025-03-09 06:30:14,665 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 316 transitions, 4856 flow [2025-03-09 06:30:14,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-09 06:30:14,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2025-03-09 06:30:14,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 234 transitions. [2025-03-09 06:30:14,666 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2867647058823529 [2025-03-09 06:30:14,666 INFO L175 Difference]: Start difference. First operand has 229 places, 255 transitions, 4005 flow. Second operand 24 states and 234 transitions. [2025-03-09 06:30:14,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 316 transitions, 4856 flow [2025-03-09 06:30:14,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 316 transitions, 4750 flow, removed 21 selfloop flow, removed 7 redundant places. [2025-03-09 06:30:14,758 INFO L231 Difference]: Finished difference. Result has 240 places, 256 transitions, 4255 flow [2025-03-09 06:30:14,759 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3855, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=4255, PETRI_PLACES=240, PETRI_TRANSITIONS=256} [2025-03-09 06:30:14,759 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 205 predicate places. [2025-03-09 06:30:14,759 INFO L471 AbstractCegarLoop]: Abstraction has has 240 places, 256 transitions, 4255 flow [2025-03-09 06:30:14,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 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) [2025-03-09 06:30:14,759 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:14,759 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:14,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-09 06:30:14,759 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:14,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:14,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1788168541, now seen corresponding path program 5 times [2025-03-09 06:30:14,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:14,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44804304] [2025-03-09 06:30:14,760 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-09 06:30:14,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:14,771 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 14 statements into 1 equivalence classes. [2025-03-09 06:30:14,776 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:14,776 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:14,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:15,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:15,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:15,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44804304] [2025-03-09 06:30:15,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44804304] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:15,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:15,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-09 06:30:15,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227946718] [2025-03-09 06:30:15,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:15,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 06:30:15,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:15,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 06:30:15,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2025-03-09 06:30:15,182 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:30:15,183 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 256 transitions, 4255 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 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) [2025-03-09 06:30:15,183 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:15,183 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:30:15,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:16,042 INFO L124 PetriNetUnfolderBase]: 964/1855 cut-off events. [2025-03-09 06:30:16,042 INFO L125 PetriNetUnfolderBase]: For 22854/22854 co-relation queries the response was YES. [2025-03-09 06:30:16,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12144 conditions, 1855 events. 964/1855 cut-off events. For 22854/22854 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 11457 event pairs, 252 based on Foata normal form. 10/1817 useless extension candidates. Maximal degree in co-relation 12071. Up to 596 conditions per place. [2025-03-09 06:30:16,058 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 138 selfloop transitions, 137 changer transitions 31/306 dead transitions. [2025-03-09 06:30:16,058 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 306 transitions, 5000 flow [2025-03-09 06:30:16,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-09 06:30:16,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2025-03-09 06:30:16,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 226 transitions. [2025-03-09 06:30:16,059 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.289002557544757 [2025-03-09 06:30:16,059 INFO L175 Difference]: Start difference. First operand has 240 places, 256 transitions, 4255 flow. Second operand 23 states and 226 transitions. [2025-03-09 06:30:16,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 306 transitions, 5000 flow [2025-03-09 06:30:16,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 306 transitions, 4783 flow, removed 29 selfloop flow, removed 19 redundant places. [2025-03-09 06:30:16,166 INFO L231 Difference]: Finished difference. Result has 242 places, 242 transitions, 4110 flow [2025-03-09 06:30:16,167 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4007, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=137, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=4110, PETRI_PLACES=242, PETRI_TRANSITIONS=242} [2025-03-09 06:30:16,167 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 207 predicate places. [2025-03-09 06:30:16,167 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 242 transitions, 4110 flow [2025-03-09 06:30:16,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 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) [2025-03-09 06:30:16,167 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:16,167 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:16,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-09 06:30:16,168 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:16,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:16,168 INFO L85 PathProgramCache]: Analyzing trace with hash -2048243971, now seen corresponding path program 6 times [2025-03-09 06:30:16,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:16,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370178841] [2025-03-09 06:30:16,168 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-09 06:30:16,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:16,186 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 14 statements into 1 equivalence classes. [2025-03-09 06:30:16,190 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:16,190 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-09 06:30:16,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:16,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:16,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:16,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370178841] [2025-03-09 06:30:16,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370178841] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:16,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:16,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:16,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376449813] [2025-03-09 06:30:16,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:16,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:16,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:16,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:16,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:16,543 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:30:16,544 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 242 transitions, 4110 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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) [2025-03-09 06:30:16,544 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:16,544 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:30:16,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:17,226 INFO L124 PetriNetUnfolderBase]: 935/1806 cut-off events. [2025-03-09 06:30:17,226 INFO L125 PetriNetUnfolderBase]: For 23051/23051 co-relation queries the response was YES. [2025-03-09 06:30:17,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11848 conditions, 1806 events. 935/1806 cut-off events. For 23051/23051 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 11234 event pairs, 307 based on Foata normal form. 54/1812 useless extension candidates. Maximal degree in co-relation 11779. Up to 869 conditions per place. [2025-03-09 06:30:17,240 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 190 selfloop transitions, 89 changer transitions 22/301 dead transitions. [2025-03-09 06:30:17,240 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 301 transitions, 5234 flow [2025-03-09 06:30:17,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-09 06:30:17,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-09 06:30:17,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 182 transitions. [2025-03-09 06:30:17,241 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2973856209150327 [2025-03-09 06:30:17,241 INFO L175 Difference]: Start difference. First operand has 242 places, 242 transitions, 4110 flow. Second operand 18 states and 182 transitions. [2025-03-09 06:30:17,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 301 transitions, 5234 flow [2025-03-09 06:30:17,309 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 301 transitions, 4742 flow, removed 6 selfloop flow, removed 26 redundant places. [2025-03-09 06:30:17,313 INFO L231 Difference]: Finished difference. Result has 225 places, 233 transitions, 3762 flow [2025-03-09 06:30:17,313 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3597, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=3762, PETRI_PLACES=225, PETRI_TRANSITIONS=233} [2025-03-09 06:30:17,313 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 190 predicate places. [2025-03-09 06:30:17,313 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 233 transitions, 3762 flow [2025-03-09 06:30:17,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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) [2025-03-09 06:30:17,314 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:17,314 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:17,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-09 06:30:17,314 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:17,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:17,314 INFO L85 PathProgramCache]: Analyzing trace with hash -2055925982, now seen corresponding path program 1 times [2025-03-09 06:30:17,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:17,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816391685] [2025-03-09 06:30:17,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:30:17,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:17,326 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 06:30:17,330 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:17,331 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:17,331 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:17,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:17,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:17,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816391685] [2025-03-09 06:30:17,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816391685] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:17,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:17,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-09 06:30:17,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145104908] [2025-03-09 06:30:17,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:17,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 06:30:17,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:17,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 06:30:17,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-09 06:30:17,506 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:30:17,506 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 233 transitions, 3762 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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) [2025-03-09 06:30:17,506 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:17,507 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:30:17,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:18,044 INFO L124 PetriNetUnfolderBase]: 889/1706 cut-off events. [2025-03-09 06:30:18,044 INFO L125 PetriNetUnfolderBase]: For 19926/19926 co-relation queries the response was YES. [2025-03-09 06:30:18,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11087 conditions, 1706 events. 889/1706 cut-off events. For 19926/19926 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 10328 event pairs, 145 based on Foata normal form. 0/1682 useless extension candidates. Maximal degree in co-relation 11020. Up to 307 conditions per place. [2025-03-09 06:30:18,057 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 191 selfloop transitions, 121 changer transitions 0/312 dead transitions. [2025-03-09 06:30:18,057 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 312 transitions, 5079 flow [2025-03-09 06:30:18,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-09 06:30:18,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-09 06:30:18,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 199 transitions. [2025-03-09 06:30:18,058 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.32516339869281047 [2025-03-09 06:30:18,058 INFO L175 Difference]: Start difference. First operand has 225 places, 233 transitions, 3762 flow. Second operand 18 states and 199 transitions. [2025-03-09 06:30:18,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 312 transitions, 5079 flow [2025-03-09 06:30:18,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 312 transitions, 4883 flow, removed 36 selfloop flow, removed 11 redundant places. [2025-03-09 06:30:18,132 INFO L231 Difference]: Finished difference. Result has 232 places, 256 transitions, 4230 flow [2025-03-09 06:30:18,132 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3601, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=98, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=4230, PETRI_PLACES=232, PETRI_TRANSITIONS=256} [2025-03-09 06:30:18,133 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 197 predicate places. [2025-03-09 06:30:18,133 INFO L471 AbstractCegarLoop]: Abstraction has has 232 places, 256 transitions, 4230 flow [2025-03-09 06:30:18,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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) [2025-03-09 06:30:18,133 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:18,133 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:18,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-09 06:30:18,133 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:18,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:18,133 INFO L85 PathProgramCache]: Analyzing trace with hash -2055925981, now seen corresponding path program 1 times [2025-03-09 06:30:18,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:18,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481495176] [2025-03-09 06:30:18,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:30:18,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:18,150 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 06:30:18,154 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:18,154 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:18,154 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:18,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:18,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:18,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481495176] [2025-03-09 06:30:18,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481495176] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:18,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:18,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:18,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304783865] [2025-03-09 06:30:18,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:18,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:18,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:18,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:18,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:18,392 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:30:18,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 256 transitions, 4230 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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) [2025-03-09 06:30:18,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:18,392 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:30:18,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:19,006 INFO L124 PetriNetUnfolderBase]: 971/1876 cut-off events. [2025-03-09 06:30:19,006 INFO L125 PetriNetUnfolderBase]: For 24327/24327 co-relation queries the response was YES. [2025-03-09 06:30:19,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12506 conditions, 1876 events. 971/1876 cut-off events. For 24327/24327 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 11603 event pairs, 324 based on Foata normal form. 24/1900 useless extension candidates. Maximal degree in co-relation 12434. Up to 750 conditions per place. [2025-03-09 06:30:19,022 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 197 selfloop transitions, 93 changer transitions 48/338 dead transitions. [2025-03-09 06:30:19,022 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 338 transitions, 5673 flow [2025-03-09 06:30:19,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-09 06:30:19,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2025-03-09 06:30:19,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 219 transitions. [2025-03-09 06:30:19,027 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.28005115089514065 [2025-03-09 06:30:19,027 INFO L175 Difference]: Start difference. First operand has 232 places, 256 transitions, 4230 flow. Second operand 23 states and 219 transitions. [2025-03-09 06:30:19,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 338 transitions, 5673 flow [2025-03-09 06:30:19,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 338 transitions, 5412 flow, removed 44 selfloop flow, removed 7 redundant places. [2025-03-09 06:30:19,122 INFO L231 Difference]: Finished difference. Result has 249 places, 237 transitions, 3890 flow [2025-03-09 06:30:19,122 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3976, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=3890, PETRI_PLACES=249, PETRI_TRANSITIONS=237} [2025-03-09 06:30:19,123 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 214 predicate places. [2025-03-09 06:30:19,123 INFO L471 AbstractCegarLoop]: Abstraction has has 249 places, 237 transitions, 3890 flow [2025-03-09 06:30:19,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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) [2025-03-09 06:30:19,123 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:19,123 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:19,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-09 06:30:19,123 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:19,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:19,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1161467282, now seen corresponding path program 5 times [2025-03-09 06:30:19,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:19,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154283619] [2025-03-09 06:30:19,125 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-09 06:30:19,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:19,139 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 14 statements into 1 equivalence classes. [2025-03-09 06:30:19,142 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:19,142 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:19,142 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:19,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:19,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:19,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154283619] [2025-03-09 06:30:19,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154283619] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:19,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:19,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:19,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871096869] [2025-03-09 06:30:19,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:19,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:19,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:19,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:19,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:19,427 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:30:19,427 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 237 transitions, 3890 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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) [2025-03-09 06:30:19,427 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:19,427 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:30:19,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:20,094 INFO L124 PetriNetUnfolderBase]: 880/1699 cut-off events. [2025-03-09 06:30:20,095 INFO L125 PetriNetUnfolderBase]: For 22427/22427 co-relation queries the response was YES. [2025-03-09 06:30:20,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11172 conditions, 1699 events. 880/1699 cut-off events. For 22427/22427 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 10352 event pairs, 215 based on Foata normal form. 38/1737 useless extension candidates. Maximal degree in co-relation 11099. Up to 755 conditions per place. [2025-03-09 06:30:20,109 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 195 selfloop transitions, 70 changer transitions 40/305 dead transitions. [2025-03-09 06:30:20,109 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 305 transitions, 4850 flow [2025-03-09 06:30:20,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-09 06:30:20,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-09 06:30:20,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 214 transitions. [2025-03-09 06:30:20,111 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.31470588235294117 [2025-03-09 06:30:20,111 INFO L175 Difference]: Start difference. First operand has 249 places, 237 transitions, 3890 flow. Second operand 20 states and 214 transitions. [2025-03-09 06:30:20,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 305 transitions, 4850 flow [2025-03-09 06:30:20,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 305 transitions, 4506 flow, removed 27 selfloop flow, removed 31 redundant places. [2025-03-09 06:30:20,178 INFO L231 Difference]: Finished difference. Result has 227 places, 204 transitions, 3140 flow [2025-03-09 06:30:20,179 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3516, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=3140, PETRI_PLACES=227, PETRI_TRANSITIONS=204} [2025-03-09 06:30:20,179 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 192 predicate places. [2025-03-09 06:30:20,179 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 204 transitions, 3140 flow [2025-03-09 06:30:20,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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) [2025-03-09 06:30:20,179 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:20,179 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:20,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-09 06:30:20,179 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:20,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:20,180 INFO L85 PathProgramCache]: Analyzing trace with hash -106714019, now seen corresponding path program 7 times [2025-03-09 06:30:20,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:20,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708046067] [2025-03-09 06:30:20,180 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-09 06:30:20,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:20,196 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 06:30:20,200 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:20,200 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:20,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:20,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:20,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:20,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708046067] [2025-03-09 06:30:20,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708046067] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:20,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:20,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-09 06:30:20,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049724985] [2025-03-09 06:30:20,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:20,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 06:30:20,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:20,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 06:30:20,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-09 06:30:20,563 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:30:20,563 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 204 transitions, 3140 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 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) [2025-03-09 06:30:20,563 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:20,564 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:30:20,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:21,260 INFO L124 PetriNetUnfolderBase]: 750/1449 cut-off events. [2025-03-09 06:30:21,260 INFO L125 PetriNetUnfolderBase]: For 17417/17417 co-relation queries the response was YES. [2025-03-09 06:30:21,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9451 conditions, 1449 events. 750/1449 cut-off events. For 17417/17417 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 8559 event pairs, 257 based on Foata normal form. 14/1463 useless extension candidates. Maximal degree in co-relation 9387. Up to 1047 conditions per place. [2025-03-09 06:30:21,270 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 181 selfloop transitions, 40 changer transitions 35/256 dead transitions. [2025-03-09 06:30:21,271 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 256 transitions, 3788 flow [2025-03-09 06:30:21,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-09 06:30:21,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-09 06:30:21,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 193 transitions. [2025-03-09 06:30:21,272 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.29876160990712075 [2025-03-09 06:30:21,272 INFO L175 Difference]: Start difference. First operand has 227 places, 204 transitions, 3140 flow. Second operand 19 states and 193 transitions. [2025-03-09 06:30:21,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 256 transitions, 3788 flow [2025-03-09 06:30:21,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 256 transitions, 3507 flow, removed 22 selfloop flow, removed 22 redundant places. [2025-03-09 06:30:21,316 INFO L231 Difference]: Finished difference. Result has 212 places, 188 transitions, 2727 flow [2025-03-09 06:30:21,317 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2803, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=2727, PETRI_PLACES=212, PETRI_TRANSITIONS=188} [2025-03-09 06:30:21,317 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 177 predicate places. [2025-03-09 06:30:21,317 INFO L471 AbstractCegarLoop]: Abstraction has has 212 places, 188 transitions, 2727 flow [2025-03-09 06:30:21,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 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) [2025-03-09 06:30:21,317 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:21,317 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:21,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-03-09 06:30:21,318 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:21,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:21,318 INFO L85 PathProgramCache]: Analyzing trace with hash -95989260, now seen corresponding path program 6 times [2025-03-09 06:30:21,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:21,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400766816] [2025-03-09 06:30:21,318 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-09 06:30:21,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:21,329 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 14 statements into 1 equivalence classes. [2025-03-09 06:30:21,331 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:21,332 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-09 06:30:21,332 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:21,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:21,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:21,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400766816] [2025-03-09 06:30:21,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400766816] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:21,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:21,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:21,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151061052] [2025-03-09 06:30:21,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:21,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:21,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:21,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:21,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:21,567 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:30:21,567 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 188 transitions, 2727 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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) [2025-03-09 06:30:21,567 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:21,567 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:30:21,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:21,902 INFO L124 PetriNetUnfolderBase]: 690/1333 cut-off events. [2025-03-09 06:30:21,903 INFO L125 PetriNetUnfolderBase]: For 13565/13565 co-relation queries the response was YES. [2025-03-09 06:30:21,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8506 conditions, 1333 events. 690/1333 cut-off events. For 13565/13565 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 7672 event pairs, 245 based on Foata normal form. 10/1343 useless extension candidates. Maximal degree in co-relation 8448. Up to 1047 conditions per place. [2025-03-09 06:30:21,910 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 178 selfloop transitions, 37 changer transitions 0/215 dead transitions. [2025-03-09 06:30:21,910 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 215 transitions, 3188 flow [2025-03-09 06:30:21,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-09 06:30:21,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-09 06:30:21,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 132 transitions. [2025-03-09 06:30:21,911 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2986425339366516 [2025-03-09 06:30:21,911 INFO L175 Difference]: Start difference. First operand has 212 places, 188 transitions, 2727 flow. Second operand 13 states and 132 transitions. [2025-03-09 06:30:21,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 215 transitions, 3188 flow [2025-03-09 06:30:21,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 215 transitions, 3094 flow, removed 22 selfloop flow, removed 12 redundant places. [2025-03-09 06:30:21,940 INFO L231 Difference]: Finished difference. Result has 198 places, 186 transitions, 2662 flow [2025-03-09 06:30:21,940 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2575, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2662, PETRI_PLACES=198, PETRI_TRANSITIONS=186} [2025-03-09 06:30:21,941 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 163 predicate places. [2025-03-09 06:30:21,941 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 186 transitions, 2662 flow [2025-03-09 06:30:21,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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) [2025-03-09 06:30:21,941 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:21,941 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:21,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-03-09 06:30:21,941 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:21,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:21,941 INFO L85 PathProgramCache]: Analyzing trace with hash -95989259, now seen corresponding path program 8 times [2025-03-09 06:30:21,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:21,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160028111] [2025-03-09 06:30:21,941 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:21,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:21,950 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 14 statements into 1 equivalence classes. [2025-03-09 06:30:21,952 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:21,952 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:21,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:22,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:22,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:22,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160028111] [2025-03-09 06:30:22,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160028111] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:22,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:22,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:22,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233987139] [2025-03-09 06:30:22,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:22,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:22,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:22,196 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:22,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:22,196 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:30:22,196 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 186 transitions, 2662 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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) [2025-03-09 06:30:22,196 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:22,196 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:30:22,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:22,616 INFO L124 PetriNetUnfolderBase]: 678/1311 cut-off events. [2025-03-09 06:30:22,616 INFO L125 PetriNetUnfolderBase]: For 12176/12176 co-relation queries the response was YES. [2025-03-09 06:30:22,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8318 conditions, 1311 events. 678/1311 cut-off events. For 12176/12176 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 7474 event pairs, 147 based on Foata normal form. 10/1321 useless extension candidates. Maximal degree in co-relation 8261. Up to 424 conditions per place. [2025-03-09 06:30:22,623 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 103 selfloop transitions, 75 changer transitions 44/222 dead transitions. [2025-03-09 06:30:22,623 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 222 transitions, 3204 flow [2025-03-09 06:30:22,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-09 06:30:22,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-09 06:30:22,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 188 transitions. [2025-03-09 06:30:22,624 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.27647058823529413 [2025-03-09 06:30:22,624 INFO L175 Difference]: Start difference. First operand has 198 places, 186 transitions, 2662 flow. Second operand 20 states and 188 transitions. [2025-03-09 06:30:22,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 222 transitions, 3204 flow [2025-03-09 06:30:22,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 222 transitions, 3130 flow, removed 3 selfloop flow, removed 9 redundant places. [2025-03-09 06:30:22,652 INFO L231 Difference]: Finished difference. Result has 207 places, 164 transitions, 2505 flow [2025-03-09 06:30:22,652 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2556, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=2505, PETRI_PLACES=207, PETRI_TRANSITIONS=164} [2025-03-09 06:30:22,652 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 172 predicate places. [2025-03-09 06:30:22,652 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 164 transitions, 2505 flow [2025-03-09 06:30:22,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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) [2025-03-09 06:30:22,652 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:22,653 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:22,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-03-09 06:30:22,653 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:22,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:22,653 INFO L85 PathProgramCache]: Analyzing trace with hash 129555234, now seen corresponding path program 2 times [2025-03-09 06:30:22,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:22,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892920328] [2025-03-09 06:30:22,653 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:22,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:22,664 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 14 statements into 1 equivalence classes. [2025-03-09 06:30:22,667 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:22,667 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:22,667 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:22,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:22,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:22,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892920328] [2025-03-09 06:30:22,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892920328] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:22,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:22,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-09 06:30:22,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667664248] [2025-03-09 06:30:22,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:22,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 06:30:22,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:22,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 06:30:22,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-09 06:30:22,800 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:30:22,800 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 164 transitions, 2505 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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) [2025-03-09 06:30:22,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:22,800 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:30:22,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:23,246 INFO L124 PetriNetUnfolderBase]: 787/1526 cut-off events. [2025-03-09 06:30:23,246 INFO L125 PetriNetUnfolderBase]: For 15649/15649 co-relation queries the response was YES. [2025-03-09 06:30:23,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9717 conditions, 1526 events. 787/1526 cut-off events. For 15649/15649 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 9196 event pairs, 162 based on Foata normal form. 16/1542 useless extension candidates. Maximal degree in co-relation 9660. Up to 278 conditions per place. [2025-03-09 06:30:23,258 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 152 selfloop transitions, 102 changer transitions 0/254 dead transitions. [2025-03-09 06:30:23,258 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 254 transitions, 3812 flow [2025-03-09 06:30:23,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-09 06:30:23,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-03-09 06:30:23,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 211 transitions. [2025-03-09 06:30:23,260 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.29551820728291317 [2025-03-09 06:30:23,260 INFO L175 Difference]: Start difference. First operand has 207 places, 164 transitions, 2505 flow. Second operand 21 states and 211 transitions. [2025-03-09 06:30:23,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 254 transitions, 3812 flow [2025-03-09 06:30:23,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 254 transitions, 3574 flow, removed 9 selfloop flow, removed 19 redundant places. [2025-03-09 06:30:23,292 INFO L231 Difference]: Finished difference. Result has 186 places, 191 transitions, 2872 flow [2025-03-09 06:30:23,292 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2292, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=2872, PETRI_PLACES=186, PETRI_TRANSITIONS=191} [2025-03-09 06:30:23,292 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 151 predicate places. [2025-03-09 06:30:23,292 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 191 transitions, 2872 flow [2025-03-09 06:30:23,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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) [2025-03-09 06:30:23,293 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:23,293 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:23,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2025-03-09 06:30:23,293 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:23,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:23,293 INFO L85 PathProgramCache]: Analyzing trace with hash 127681284, now seen corresponding path program 3 times [2025-03-09 06:30:23,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:23,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887900634] [2025-03-09 06:30:23,293 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:30:23,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:23,306 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 14 statements into 1 equivalence classes. [2025-03-09 06:30:23,309 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:23,309 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:30:23,309 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:23,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:23,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:23,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887900634] [2025-03-09 06:30:23,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887900634] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:23,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:23,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:23,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429025980] [2025-03-09 06:30:23,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:23,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:23,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:23,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:23,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:23,547 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:30:23,547 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 191 transitions, 2872 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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) [2025-03-09 06:30:23,547 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:23,547 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:30:23,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:23,970 INFO L124 PetriNetUnfolderBase]: 777/1508 cut-off events. [2025-03-09 06:30:23,970 INFO L125 PetriNetUnfolderBase]: For 14834/14834 co-relation queries the response was YES. [2025-03-09 06:30:23,977 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9757 conditions, 1508 events. 777/1508 cut-off events. For 14834/14834 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 9034 event pairs, 261 based on Foata normal form. 8/1516 useless extension candidates. Maximal degree in co-relation 9700. Up to 1056 conditions per place. [2025-03-09 06:30:23,981 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 174 selfloop transitions, 65 changer transitions 4/243 dead transitions. [2025-03-09 06:30:23,981 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 243 transitions, 3864 flow [2025-03-09 06:30:23,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-09 06:30:23,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2025-03-09 06:30:23,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 150 transitions. [2025-03-09 06:30:23,982 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2757352941176471 [2025-03-09 06:30:23,982 INFO L175 Difference]: Start difference. First operand has 186 places, 191 transitions, 2872 flow. Second operand 16 states and 150 transitions. [2025-03-09 06:30:23,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 243 transitions, 3864 flow [2025-03-09 06:30:24,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 243 transitions, 3626 flow, removed 70 selfloop flow, removed 11 redundant places. [2025-03-09 06:30:24,023 INFO L231 Difference]: Finished difference. Result has 193 places, 203 transitions, 3071 flow [2025-03-09 06:30:24,023 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2678, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=3071, PETRI_PLACES=193, PETRI_TRANSITIONS=203} [2025-03-09 06:30:24,023 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 158 predicate places. [2025-03-09 06:30:24,023 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 203 transitions, 3071 flow [2025-03-09 06:30:24,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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) [2025-03-09 06:30:24,023 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:24,024 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:24,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-03-09 06:30:24,024 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:24,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:24,024 INFO L85 PathProgramCache]: Analyzing trace with hash 127681285, now seen corresponding path program 2 times [2025-03-09 06:30:24,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:24,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413235278] [2025-03-09 06:30:24,024 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:24,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:24,033 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 14 statements into 1 equivalence classes. [2025-03-09 06:30:24,037 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:24,037 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:24,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:24,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:24,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:24,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413235278] [2025-03-09 06:30:24,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413235278] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:24,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:24,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:24,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431854912] [2025-03-09 06:30:24,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:24,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:24,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:24,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:24,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:24,289 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:30:24,289 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 203 transitions, 3071 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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) [2025-03-09 06:30:24,289 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:24,289 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:30:24,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:24,818 INFO L124 PetriNetUnfolderBase]: 747/1454 cut-off events. [2025-03-09 06:30:24,818 INFO L125 PetriNetUnfolderBase]: For 14044/14044 co-relation queries the response was YES. [2025-03-09 06:30:24,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9257 conditions, 1454 events. 747/1454 cut-off events. For 14044/14044 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 8643 event pairs, 194 based on Foata normal form. 24/1478 useless extension candidates. Maximal degree in co-relation 9203. Up to 752 conditions per place. [2025-03-09 06:30:24,826 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 123 selfloop transitions, 79 changer transitions 48/250 dead transitions. [2025-03-09 06:30:24,826 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 250 transitions, 3832 flow [2025-03-09 06:30:24,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-09 06:30:24,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2025-03-09 06:30:24,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 192 transitions. [2025-03-09 06:30:24,827 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.25668449197860965 [2025-03-09 06:30:24,827 INFO L175 Difference]: Start difference. First operand has 193 places, 203 transitions, 3071 flow. Second operand 22 states and 192 transitions. [2025-03-09 06:30:24,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 250 transitions, 3832 flow [2025-03-09 06:30:24,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 250 transitions, 3770 flow, removed 11 selfloop flow, removed 5 redundant places. [2025-03-09 06:30:24,865 INFO L231 Difference]: Finished difference. Result has 208 places, 173 transitions, 2665 flow [2025-03-09 06:30:24,866 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2902, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=2665, PETRI_PLACES=208, PETRI_TRANSITIONS=173} [2025-03-09 06:30:24,866 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 173 predicate places. [2025-03-09 06:30:24,866 INFO L471 AbstractCegarLoop]: Abstraction has has 208 places, 173 transitions, 2665 flow [2025-03-09 06:30:24,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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) [2025-03-09 06:30:24,866 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:24,866 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:24,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2025-03-09 06:30:24,867 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:24,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:24,867 INFO L85 PathProgramCache]: Analyzing trace with hash 273445765, now seen corresponding path program 3 times [2025-03-09 06:30:24,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:24,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253715296] [2025-03-09 06:30:24,867 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:30:24,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:24,877 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 14 statements into 1 equivalence classes. [2025-03-09 06:30:24,882 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:24,882 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:30:24,882 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:25,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:25,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:25,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253715296] [2025-03-09 06:30:25,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253715296] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:25,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:25,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:25,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942941502] [2025-03-09 06:30:25,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:25,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:25,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:25,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:25,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:25,142 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:30:25,143 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 173 transitions, 2665 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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) [2025-03-09 06:30:25,143 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:25,143 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:30:25,143 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:25,760 INFO L124 PetriNetUnfolderBase]: 634/1243 cut-off events. [2025-03-09 06:30:25,760 INFO L125 PetriNetUnfolderBase]: For 12797/12797 co-relation queries the response was YES. [2025-03-09 06:30:25,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8162 conditions, 1243 events. 634/1243 cut-off events. For 12797/12797 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 7109 event pairs, 209 based on Foata normal form. 8/1251 useless extension candidates. Maximal degree in co-relation 8107. Up to 770 conditions per place. [2025-03-09 06:30:25,767 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 104 selfloop transitions, 79 changer transitions 31/214 dead transitions. [2025-03-09 06:30:25,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 214 transitions, 3301 flow [2025-03-09 06:30:25,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-09 06:30:25,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2025-03-09 06:30:25,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 213 transitions. [2025-03-09 06:30:25,769 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.25058823529411767 [2025-03-09 06:30:25,769 INFO L175 Difference]: Start difference. First operand has 208 places, 173 transitions, 2665 flow. Second operand 25 states and 213 transitions. [2025-03-09 06:30:25,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 214 transitions, 3301 flow [2025-03-09 06:30:25,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 214 transitions, 3061 flow, removed 33 selfloop flow, removed 22 redundant places. [2025-03-09 06:30:25,808 INFO L231 Difference]: Finished difference. Result has 204 places, 162 transitions, 2433 flow [2025-03-09 06:30:25,808 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2401, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=2433, PETRI_PLACES=204, PETRI_TRANSITIONS=162} [2025-03-09 06:30:25,809 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 169 predicate places. [2025-03-09 06:30:25,809 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 162 transitions, 2433 flow [2025-03-09 06:30:25,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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) [2025-03-09 06:30:25,809 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:25,809 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:25,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-03-09 06:30:25,809 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:25,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:25,810 INFO L85 PathProgramCache]: Analyzing trace with hash 273660805, now seen corresponding path program 9 times [2025-03-09 06:30:25,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:25,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222885009] [2025-03-09 06:30:25,810 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:30:25,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:25,824 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 14 statements into 1 equivalence classes. [2025-03-09 06:30:25,828 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:25,828 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:30:25,828 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:26,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:26,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:26,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222885009] [2025-03-09 06:30:26,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222885009] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:26,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:26,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-09 06:30:26,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496191191] [2025-03-09 06:30:26,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:26,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 06:30:26,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:26,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 06:30:26,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2025-03-09 06:30:26,128 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:30:26,128 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 162 transitions, 2433 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 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) [2025-03-09 06:30:26,128 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:26,128 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:30:26,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:26,581 INFO L124 PetriNetUnfolderBase]: 630/1241 cut-off events. [2025-03-09 06:30:26,581 INFO L125 PetriNetUnfolderBase]: For 11645/11645 co-relation queries the response was YES. [2025-03-09 06:30:26,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7925 conditions, 1241 events. 630/1241 cut-off events. For 11645/11645 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 7221 event pairs, 159 based on Foata normal form. 40/1281 useless extension candidates. Maximal degree in co-relation 7876. Up to 491 conditions per place. [2025-03-09 06:30:26,590 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 164 selfloop transitions, 72 changer transitions 2/238 dead transitions. [2025-03-09 06:30:26,590 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 238 transitions, 3696 flow [2025-03-09 06:30:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-09 06:30:26,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-09 06:30:26,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 185 transitions. [2025-03-09 06:30:26,591 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.28637770897832815 [2025-03-09 06:30:26,591 INFO L175 Difference]: Start difference. First operand has 204 places, 162 transitions, 2433 flow. Second operand 19 states and 185 transitions. [2025-03-09 06:30:26,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 238 transitions, 3696 flow [2025-03-09 06:30:26,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 238 transitions, 3438 flow, removed 21 selfloop flow, removed 22 redundant places. [2025-03-09 06:30:26,620 INFO L231 Difference]: Finished difference. Result has 196 places, 175 transitions, 2705 flow [2025-03-09 06:30:26,620 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2193, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=2705, PETRI_PLACES=196, PETRI_TRANSITIONS=175} [2025-03-09 06:30:26,620 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 161 predicate places. [2025-03-09 06:30:26,620 INFO L471 AbstractCegarLoop]: Abstraction has has 196 places, 175 transitions, 2705 flow [2025-03-09 06:30:26,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 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) [2025-03-09 06:30:26,621 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:26,621 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:26,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2025-03-09 06:30:26,621 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:26,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:26,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1298905988, now seen corresponding path program 4 times [2025-03-09 06:30:26,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:26,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855662369] [2025-03-09 06:30:26,621 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 06:30:26,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:26,629 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 14 statements into 2 equivalence classes. [2025-03-09 06:30:26,631 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:26,631 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 06:30:26,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:26,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:26,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:26,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855662369] [2025-03-09 06:30:26,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855662369] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:26,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:26,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-09 06:30:26,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137084390] [2025-03-09 06:30:26,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:26,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 06:30:26,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:26,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 06:30:26,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-09 06:30:26,761 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:30:26,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 175 transitions, 2705 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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) [2025-03-09 06:30:26,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:26,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:30:26,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:27,102 INFO L124 PetriNetUnfolderBase]: 600/1187 cut-off events. [2025-03-09 06:30:27,103 INFO L125 PetriNetUnfolderBase]: For 9990/9990 co-relation queries the response was YES. [2025-03-09 06:30:27,105 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7625 conditions, 1187 events. 600/1187 cut-off events. For 9990/9990 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 6771 event pairs, 127 based on Foata normal form. 24/1211 useless extension candidates. Maximal degree in co-relation 7578. Up to 298 conditions per place. [2025-03-09 06:30:27,108 INFO L140 encePairwiseOnDemand]: 25/34 looper letters, 99 selfloop transitions, 89 changer transitions 15/203 dead transitions. [2025-03-09 06:30:27,108 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 203 transitions, 3249 flow [2025-03-09 06:30:27,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 06:30:27,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-09 06:30:27,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 148 transitions. [2025-03-09 06:30:27,109 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2901960784313726 [2025-03-09 06:30:27,109 INFO L175 Difference]: Start difference. First operand has 196 places, 175 transitions, 2705 flow. Second operand 15 states and 148 transitions. [2025-03-09 06:30:27,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 203 transitions, 3249 flow [2025-03-09 06:30:27,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 203 transitions, 3064 flow, removed 16 selfloop flow, removed 18 redundant places. [2025-03-09 06:30:27,130 INFO L231 Difference]: Finished difference. Result has 191 places, 162 transitions, 2448 flow [2025-03-09 06:30:27,130 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2485, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2448, PETRI_PLACES=191, PETRI_TRANSITIONS=162} [2025-03-09 06:30:27,131 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 156 predicate places. [2025-03-09 06:30:27,131 INFO L471 AbstractCegarLoop]: Abstraction has has 191 places, 162 transitions, 2448 flow [2025-03-09 06:30:27,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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) [2025-03-09 06:30:27,131 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:27,131 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:27,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2025-03-09 06:30:27,131 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:27,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:27,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1131940688, now seen corresponding path program 7 times [2025-03-09 06:30:27,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:27,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657632528] [2025-03-09 06:30:27,131 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-09 06:30:27,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:27,140 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 06:30:27,143 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:27,143 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:27,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:27,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:27,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:27,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657632528] [2025-03-09 06:30:27,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657632528] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:27,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:27,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:27,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33968167] [2025-03-09 06:30:27,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:27,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:27,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:27,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:27,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:27,385 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:30:27,385 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 162 transitions, 2448 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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) [2025-03-09 06:30:27,385 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:27,385 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:30:27,385 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:27,778 INFO L124 PetriNetUnfolderBase]: 618/1253 cut-off events. [2025-03-09 06:30:27,778 INFO L125 PetriNetUnfolderBase]: For 9553/9553 co-relation queries the response was YES. [2025-03-09 06:30:27,783 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7486 conditions, 1253 events. 618/1253 cut-off events. For 9553/9553 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 7519 event pairs, 111 based on Foata normal form. 76/1329 useless extension candidates. Maximal degree in co-relation 7443. Up to 403 conditions per place. [2025-03-09 06:30:27,786 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 142 selfloop transitions, 25 changer transitions 71/238 dead transitions. [2025-03-09 06:30:27,787 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 238 transitions, 3540 flow [2025-03-09 06:30:27,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-09 06:30:27,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-09 06:30:27,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 170 transitions. [2025-03-09 06:30:27,788 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.29411764705882354 [2025-03-09 06:30:27,788 INFO L175 Difference]: Start difference. First operand has 191 places, 162 transitions, 2448 flow. Second operand 17 states and 170 transitions. [2025-03-09 06:30:27,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 238 transitions, 3540 flow [2025-03-09 06:30:27,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 238 transitions, 3249 flow, removed 34 selfloop flow, removed 19 redundant places. [2025-03-09 06:30:27,819 INFO L231 Difference]: Finished difference. Result has 183 places, 110 transitions, 1596 flow [2025-03-09 06:30:27,820 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2136, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1596, PETRI_PLACES=183, PETRI_TRANSITIONS=110} [2025-03-09 06:30:27,820 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 148 predicate places. [2025-03-09 06:30:27,820 INFO L471 AbstractCegarLoop]: Abstraction has has 183 places, 110 transitions, 1596 flow [2025-03-09 06:30:27,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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) [2025-03-09 06:30:27,820 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:27,820 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:27,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2025-03-09 06:30:27,820 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:27,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:27,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1298905989, now seen corresponding path program 4 times [2025-03-09 06:30:27,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:27,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024549590] [2025-03-09 06:30:27,821 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 06:30:27,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:27,829 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 14 statements into 2 equivalence classes. [2025-03-09 06:30:27,833 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:27,833 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 06:30:27,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:28,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:28,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:28,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024549590] [2025-03-09 06:30:28,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024549590] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:28,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:28,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:30:28,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337601240] [2025-03-09 06:30:28,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:28,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:30:28,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:28,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:30:28,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:30:28,129 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:30:28,129 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 110 transitions, 1596 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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) [2025-03-09 06:30:28,129 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:28,129 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:30:28,130 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:28,635 INFO L124 PetriNetUnfolderBase]: 458/925 cut-off events. [2025-03-09 06:30:28,636 INFO L125 PetriNetUnfolderBase]: For 6416/6416 co-relation queries the response was YES. [2025-03-09 06:30:28,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5574 conditions, 925 events. 458/925 cut-off events. For 6416/6416 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 5062 event pairs, 150 based on Foata normal form. 16/941 useless extension candidates. Maximal degree in co-relation 5536. Up to 618 conditions per place. [2025-03-09 06:30:28,641 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 55 selfloop transitions, 48 changer transitions 33/136 dead transitions. [2025-03-09 06:30:28,641 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 136 transitions, 2006 flow [2025-03-09 06:30:28,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-09 06:30:28,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-03-09 06:30:28,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 162 transitions. [2025-03-09 06:30:28,642 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.226890756302521 [2025-03-09 06:30:28,642 INFO L175 Difference]: Start difference. First operand has 183 places, 110 transitions, 1596 flow. Second operand 21 states and 162 transitions. [2025-03-09 06:30:28,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 136 transitions, 2006 flow [2025-03-09 06:30:28,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 136 transitions, 1697 flow, removed 11 selfloop flow, removed 27 redundant places. [2025-03-09 06:30:28,659 INFO L231 Difference]: Finished difference. Result has 148 places, 93 transitions, 1179 flow [2025-03-09 06:30:28,659 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1269, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1179, PETRI_PLACES=148, PETRI_TRANSITIONS=93} [2025-03-09 06:30:28,660 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 113 predicate places. [2025-03-09 06:30:28,660 INFO L471 AbstractCegarLoop]: Abstraction has has 148 places, 93 transitions, 1179 flow [2025-03-09 06:30:28,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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) [2025-03-09 06:30:28,660 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:28,660 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:28,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2025-03-09 06:30:28,660 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:28,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:28,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1306270869, now seen corresponding path program 10 times [2025-03-09 06:30:28,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:28,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296913191] [2025-03-09 06:30:28,661 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 06:30:28,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:28,672 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 14 statements into 2 equivalence classes. [2025-03-09 06:30:28,676 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:28,677 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 06:30:28,677 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:29,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:29,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:29,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296913191] [2025-03-09 06:30:29,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296913191] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:30:29,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051437970] [2025-03-09 06:30:29,001 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 06:30:29,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:30:29,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:30:29,003 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 06:30:29,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-09 06:30:29,120 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 14 statements into 2 equivalence classes. [2025-03-09 06:30:29,136 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:29,136 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 06:30:29,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:29,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 52 conjuncts are in the unsatisfiable core [2025-03-09 06:30:29,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:30:29,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2025-03-09 06:30:29,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-03-09 06:30:29,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2025-03-09 06:30:29,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-09 06:30:29,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2025-03-09 06:30:29,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:29,483 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 06:30:29,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2025-03-09 06:30:29,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:29,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051437970] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 06:30:29,688 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 06:30:29,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 26 [2025-03-09 06:30:29,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077230682] [2025-03-09 06:30:29,689 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 06:30:29,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-03-09 06:30:29,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:29,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-03-09 06:30:29,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2025-03-09 06:30:29,690 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:30:29,690 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 93 transitions, 1179 flow. Second operand has 27 states, 27 states have (on average 5.444444444444445) internal successors, (147), 27 states have internal predecessors, (147), 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) [2025-03-09 06:30:29,690 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:29,690 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:30:29,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:30,570 INFO L124 PetriNetUnfolderBase]: 412/847 cut-off events. [2025-03-09 06:30:30,570 INFO L125 PetriNetUnfolderBase]: For 3349/3349 co-relation queries the response was YES. [2025-03-09 06:30:30,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4654 conditions, 847 events. 412/847 cut-off events. For 3349/3349 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 4639 event pairs, 41 based on Foata normal form. 72/919 useless extension candidates. Maximal degree in co-relation 4626. Up to 200 conditions per place. [2025-03-09 06:30:30,574 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 67 selfloop transitions, 56 changer transitions 20/143 dead transitions. [2025-03-09 06:30:30,574 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 143 transitions, 1874 flow [2025-03-09 06:30:30,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-09 06:30:30,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-09 06:30:30,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 147 transitions. [2025-03-09 06:30:30,576 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.25432525951557095 [2025-03-09 06:30:30,576 INFO L175 Difference]: Start difference. First operand has 148 places, 93 transitions, 1179 flow. Second operand 17 states and 147 transitions. [2025-03-09 06:30:30,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 143 transitions, 1874 flow [2025-03-09 06:30:30,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 143 transitions, 1672 flow, removed 8 selfloop flow, removed 18 redundant places. [2025-03-09 06:30:30,583 INFO L231 Difference]: Finished difference. Result has 133 places, 92 transitions, 1180 flow [2025-03-09 06:30:30,584 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=984, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1180, PETRI_PLACES=133, PETRI_TRANSITIONS=92} [2025-03-09 06:30:30,584 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 98 predicate places. [2025-03-09 06:30:30,584 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 92 transitions, 1180 flow [2025-03-09 06:30:30,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.444444444444445) internal successors, (147), 27 states have internal predecessors, (147), 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) [2025-03-09 06:30:30,584 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:30,584 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:30,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-09 06:30:30,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-03-09 06:30:30,786 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:30,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:30,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1555938669, now seen corresponding path program 11 times [2025-03-09 06:30:30,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:30,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782249009] [2025-03-09 06:30:30,787 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-09 06:30:30,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:30,803 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 14 statements into 2 equivalence classes. [2025-03-09 06:30:30,814 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:30,814 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 06:30:30,814 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:31,352 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:31,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:31,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782249009] [2025-03-09 06:30:31,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782249009] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:30:31,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922307271] [2025-03-09 06:30:31,352 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-09 06:30:31,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:30:31,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:30:31,356 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 06:30:31,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-09 06:30:31,496 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 14 statements into 2 equivalence classes. [2025-03-09 06:30:31,521 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:31,521 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 06:30:31,522 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:31,525 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 54 conjuncts are in the unsatisfiable core [2025-03-09 06:30:31,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:30:31,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2025-03-09 06:30:31,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-03-09 06:30:31,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2025-03-09 06:30:31,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2025-03-09 06:30:31,794 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-09 06:30:31,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2025-03-09 06:30:31,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:31,808 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 06:30:32,231 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:32,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922307271] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 06:30:32,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 06:30:32,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 28 [2025-03-09 06:30:32,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526627325] [2025-03-09 06:30:32,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 06:30:32,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-03-09 06:30:32,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:32,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-03-09 06:30:32,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=717, Unknown=0, NotChecked=0, Total=812 [2025-03-09 06:30:32,233 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:30:32,234 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 92 transitions, 1180 flow. Second operand has 29 states, 29 states have (on average 5.344827586206897) internal successors, (155), 29 states have internal predecessors, (155), 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) [2025-03-09 06:30:32,234 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:32,234 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:30:32,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:34,597 INFO L124 PetriNetUnfolderBase]: 326/675 cut-off events. [2025-03-09 06:30:34,598 INFO L125 PetriNetUnfolderBase]: For 2101/2101 co-relation queries the response was YES. [2025-03-09 06:30:34,600 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3761 conditions, 675 events. 326/675 cut-off events. For 2101/2101 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 3492 event pairs, 4 based on Foata normal form. 36/711 useless extension candidates. Maximal degree in co-relation 3733. Up to 108 conditions per place. [2025-03-09 06:30:34,601 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 86 selfloop transitions, 79 changer transitions 0/165 dead transitions. [2025-03-09 06:30:34,601 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 165 transitions, 1810 flow [2025-03-09 06:30:34,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-03-09 06:30:34,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2025-03-09 06:30:34,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 267 transitions. [2025-03-09 06:30:34,602 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2309688581314879 [2025-03-09 06:30:34,602 INFO L175 Difference]: Start difference. First operand has 133 places, 92 transitions, 1180 flow. Second operand 34 states and 267 transitions. [2025-03-09 06:30:34,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 165 transitions, 1810 flow [2025-03-09 06:30:34,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 165 transitions, 1653 flow, removed 36 selfloop flow, removed 17 redundant places. [2025-03-09 06:30:34,609 INFO L231 Difference]: Finished difference. Result has 135 places, 99 transitions, 1282 flow [2025-03-09 06:30:34,609 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=987, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=1282, PETRI_PLACES=135, PETRI_TRANSITIONS=99} [2025-03-09 06:30:34,610 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 100 predicate places. [2025-03-09 06:30:34,610 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 99 transitions, 1282 flow [2025-03-09 06:30:34,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 5.344827586206897) internal successors, (155), 29 states have internal predecessors, (155), 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) [2025-03-09 06:30:34,610 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:34,610 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:34,618 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-09 06:30:34,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-03-09 06:30:34,811 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:34,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:34,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1566663428, now seen corresponding path program 8 times [2025-03-09 06:30:34,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:34,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901008409] [2025-03-09 06:30:34,811 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:34,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:34,841 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 14 statements into 2 equivalence classes. [2025-03-09 06:30:34,848 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:34,849 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 06:30:34,849 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:35,159 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 06:30:35,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:35,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901008409] [2025-03-09 06:30:35,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901008409] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:30:35,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387642168] [2025-03-09 06:30:35,159 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:35,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:30:35,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:30:35,161 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 06:30:35,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-09 06:30:35,256 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 14 statements into 2 equivalence classes. [2025-03-09 06:30:35,277 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:30:35,277 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 06:30:35,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:35,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 54 conjuncts are in the unsatisfiable core [2025-03-09 06:30:35,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:30:35,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2025-03-09 06:30:35,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-03-09 06:30:35,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2025-03-09 06:30:35,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2025-03-09 06:30:35,450 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-09 06:30:35,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2025-03-09 06:30:35,463 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 06:30:35,463 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 06:30:35,750 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:30:35,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387642168] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 06:30:35,750 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 06:30:35,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 26 [2025-03-09 06:30:35,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216038561] [2025-03-09 06:30:35,750 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 06:30:35,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-03-09 06:30:35,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:35,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-03-09 06:30:35,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=610, Unknown=0, NotChecked=0, Total=702 [2025-03-09 06:30:35,751 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-09 06:30:35,751 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 99 transitions, 1282 flow. Second operand has 27 states, 27 states have (on average 5.444444444444445) internal successors, (147), 27 states have internal predecessors, (147), 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) [2025-03-09 06:30:35,751 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:35,751 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-09 06:30:35,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:36,933 INFO L124 PetriNetUnfolderBase]: 242/519 cut-off events. [2025-03-09 06:30:36,933 INFO L125 PetriNetUnfolderBase]: For 1117/1117 co-relation queries the response was YES. [2025-03-09 06:30:36,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2488 conditions, 519 events. 242/519 cut-off events. For 1117/1117 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2605 event pairs, 4 based on Foata normal form. 72/591 useless extension candidates. Maximal degree in co-relation 2465. Up to 100 conditions per place. [2025-03-09 06:30:36,936 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 0 selfloop transitions, 0 changer transitions 152/152 dead transitions. [2025-03-09 06:30:36,936 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 152 transitions, 1575 flow [2025-03-09 06:30:36,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-03-09 06:30:36,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2025-03-09 06:30:36,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 274 transitions. [2025-03-09 06:30:36,937 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2238562091503268 [2025-03-09 06:30:36,937 INFO L175 Difference]: Start difference. First operand has 135 places, 99 transitions, 1282 flow. Second operand 36 states and 274 transitions. [2025-03-09 06:30:36,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 152 transitions, 1575 flow [2025-03-09 06:30:36,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 152 transitions, 1332 flow, removed 12 selfloop flow, removed 32 redundant places. [2025-03-09 06:30:36,942 INFO L231 Difference]: Finished difference. Result has 124 places, 0 transitions, 0 flow [2025-03-09 06:30:36,942 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=854, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=0, PETRI_PLACES=124, PETRI_TRANSITIONS=0} [2025-03-09 06:30:36,942 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 89 predicate places. [2025-03-09 06:30:36,942 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 0 transitions, 0 flow [2025-03-09 06:30:36,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.444444444444445) internal successors, (147), 27 states have internal predecessors, (147), 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) [2025-03-09 06:30:36,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2025-03-09 06:30:36,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2025-03-09 06:30:36,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2025-03-09 06:30:36,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2025-03-09 06:30:36,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2025-03-09 06:30:36,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2025-03-09 06:30:36,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2025-03-09 06:30:36,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2025-03-09 06:30:36,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-09 06:30:37,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:30:37,147 INFO L422 BasicCegarLoop]: Path program histogram: [11, 8, 4, 4, 3, 3, 1, 1, 1] [2025-03-09 06:30:37,152 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-09 06:30:37,152 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-09 06:30:37,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.03 06:30:37 BasicIcfg [2025-03-09 06:30:37,156 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-09 06:30:37,156 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 06:30:37,156 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 06:30:37,156 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 06:30:37,157 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:29:51" (3/4) ... [2025-03-09 06:30:37,158 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-09 06:30:37,161 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure my_callback [2025-03-09 06:30:37,165 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 103 nodes and edges [2025-03-09 06:30:37,165 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2025-03-09 06:30:37,165 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2025-03-09 06:30:37,166 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-09 06:30:37,236 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 06:30:37,236 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-09 06:30:37,236 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 06:30:37,237 INFO L158 Benchmark]: Toolchain (without parser) took 47335.57ms. Allocated memory was 142.6MB in the beginning and 209.7MB in the end (delta: 67.1MB). Free memory was 105.1MB in the beginning and 163.4MB in the end (delta: -58.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2025-03-09 06:30:37,237 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 201.3MB. Free memory is still 115.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 06:30:37,237 INFO L158 Benchmark]: CACSL2BoogieTranslator took 465.31ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 74.7MB in the end (delta: 30.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-09 06:30:37,237 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.94ms. Allocated memory is still 142.6MB. Free memory was 74.0MB in the beginning and 72.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 06:30:37,238 INFO L158 Benchmark]: Boogie Preprocessor took 57.31ms. Allocated memory is still 142.6MB. Free memory was 72.0MB in the beginning and 69.0MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 06:30:37,238 INFO L158 Benchmark]: IcfgBuilder took 587.64ms. Allocated memory is still 142.6MB. Free memory was 69.0MB in the beginning and 94.9MB in the end (delta: -25.9MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2025-03-09 06:30:37,238 INFO L158 Benchmark]: TraceAbstraction took 46103.24ms. Allocated memory was 142.6MB in the beginning and 209.7MB in the end (delta: 67.1MB). Free memory was 94.2MB in the beginning and 168.7MB in the end (delta: -74.4MB). Peak memory consumption was 109.9MB. Max. memory is 16.1GB. [2025-03-09 06:30:37,238 INFO L158 Benchmark]: Witness Printer took 80.01ms. Allocated memory is still 209.7MB. Free memory was 168.7MB in the beginning and 163.4MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 06:30:37,239 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 201.3MB. Free memory is still 115.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 465.31ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 74.7MB in the end (delta: 30.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.94ms. Allocated memory is still 142.6MB. Free memory was 74.0MB in the beginning and 72.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.31ms. Allocated memory is still 142.6MB. Free memory was 72.0MB in the beginning and 69.0MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 587.64ms. Allocated memory is still 142.6MB. Free memory was 69.0MB in the beginning and 94.9MB in the end (delta: -25.9MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. * TraceAbstraction took 46103.24ms. Allocated memory was 142.6MB in the beginning and 209.7MB in the end (delta: 67.1MB). Free memory was 94.2MB in the beginning and 168.7MB in the end (delta: -74.4MB). Peak memory consumption was 109.9MB. Max. memory is 16.1GB. * Witness Printer took 80.01ms. Allocated memory is still 209.7MB. Free memory was 168.7MB in the beginning and 163.4MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3914]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3914]: 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 4 procedures, 42 locations, 45 edges, 8 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: 46.0s, OverallIterations: 36, TraceHistogramMax: 1, PathProgramHistogramMax: 11, EmptinessCheckTime: 0.0s, AutomataDifference: 30.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3803 SdHoareTripleChecker+Valid, 10.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3803 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 8.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 646 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15230 IncrementalHoareTripleChecker+Invalid, 15876 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 646 mSolverCounterUnsat, 0 mSDtfsCounter, 15230 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 905 GetRequests, 104 SyntacticMatches, 7 SemanticMatches, 794 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4353 ImplicationChecksByTransitivity, 11.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6239occurred in iteration=13, InterpolantAutomatonStates: 705, 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 13.4s InterpolantComputationTime, 524 NumberOfCodeBlocks, 524 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 524 ConstructedInterpolants, 10 QuantifiedInterpolants, 6466 SizeOfPredicates, 74 NumberOfNonLiveVariables, 542 ConjunctsInSsa, 160 ConjunctsInUnsatCore, 42 InterpolantComputations, 33 PerfectInterpolantSequences, 5/30 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-09 06:30:37,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE