./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-races/race-2_4-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_4-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 2872c384167f2e3876e0fc6c6cdca366b47c7b8757c341fcf44d3890af023ea5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 06:29:49,687 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 06:29:49,742 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 06:29:49,746 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 06:29:49,746 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 06:29:49,766 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 06:29:49,767 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 06:29:49,767 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 06:29:49,768 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 06:29:49,768 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 06:29:49,769 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 06:29:49,769 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 06:29:49,769 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 06:29:49,769 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 06:29:49,770 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 06:29:49,770 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 06:29:49,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 06:29:49,770 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 06:29:49,770 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 06:29:49,770 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 06:29:49,770 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 06:29:49,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 06:29:49,770 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 06:29:49,770 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 06:29:49,770 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 06:29:49,770 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 06:29:49,770 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 06:29:49,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 06:29:49,770 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 06:29:49,770 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 06:29:49,771 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 06:29:49,771 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 06:29:49,771 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 06:29:49,771 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 06:29:49,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 06:29:49,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 06:29:49,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 06:29:49,771 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 06:29:49,771 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 06:29:49,772 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 06:29:49,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 06:29:49,772 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 06:29:49,772 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 06:29:49,772 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 06:29:49,772 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 06:29:49,772 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 -> 2872c384167f2e3876e0fc6c6cdca366b47c7b8757c341fcf44d3890af023ea5 [2025-03-09 06:29:49,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 06:29:50,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 06:29:50,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 06:29:50,019 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 06:29:50,019 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 06:29:50,020 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2025-03-09 06:29:51,165 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95cb9c6ec/09ef23a7f29f42d688b4d41affe62ecc/FLAGc22190330 [2025-03-09 06:29:51,518 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 06:29:51,518 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2025-03-09 06:29:51,555 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95cb9c6ec/09ef23a7f29f42d688b4d41affe62ecc/FLAGc22190330 [2025-03-09 06:29:51,742 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95cb9c6ec/09ef23a7f29f42d688b4d41affe62ecc [2025-03-09 06:29:51,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 06:29:51,747 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 06:29:51,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 06:29:51,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 06:29:51,752 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 06:29:51,753 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:29:51" (1/1) ... [2025-03-09 06:29:51,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73bf02b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:51, skipping insertion in model container [2025-03-09 06:29:51,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:29:51" (1/1) ... [2025-03-09 06:29:51,795 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 06:29:52,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:29:52,053 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 06:29:52,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:29:52,135 INFO L204 MainTranslator]: Completed translation [2025-03-09 06:29:52,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:52 WrapperNode [2025-03-09 06:29:52,136 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 06:29:52,137 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 06:29:52,137 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 06:29:52,137 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 06:29:52,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:52" (1/1) ... [2025-03-09 06:29:52,152 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:52" (1/1) ... [2025-03-09 06:29:52,168 INFO L138 Inliner]: procedures = 248, calls = 56, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 154 [2025-03-09 06:29:52,168 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 06:29:52,169 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 06:29:52,169 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 06:29:52,169 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 06:29:52,175 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:52" (1/1) ... [2025-03-09 06:29:52,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:52" (1/1) ... [2025-03-09 06:29:52,180 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:52" (1/1) ... [2025-03-09 06:29:52,191 INFO L175 MemorySlicer]: Split 19 memory accesses to 3 slices as follows [2, 15, 2]. 79 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 10 writes are split as follows [0, 8, 2]. [2025-03-09 06:29:52,191 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:52" (1/1) ... [2025-03-09 06:29:52,192 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:52" (1/1) ... [2025-03-09 06:29:52,199 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:52" (1/1) ... [2025-03-09 06:29:52,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:52" (1/1) ... [2025-03-09 06:29:52,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:52" (1/1) ... [2025-03-09 06:29:52,203 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:52" (1/1) ... [2025-03-09 06:29:52,211 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 06:29:52,211 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 06:29:52,211 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 06:29:52,211 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 06:29:52,212 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:52" (1/1) ... [2025-03-09 06:29:52,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 06:29:52,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:29:52,256 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 06:29:52,259 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 06:29:52,283 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2025-03-09 06:29:52,283 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2025-03-09 06:29:52,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-09 06:29:52,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-09 06:29:52,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-09 06:29:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-09 06:29:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-09 06:29:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-09 06:29:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-09 06:29:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-09 06:29:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-09 06:29:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-09 06:29:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-09 06:29:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-09 06:29:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 06:29:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-09 06:29:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-09 06:29:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-09 06:29:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 06:29:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-09 06:29:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-09 06:29:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 06:29:52,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 06:29:52,287 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 06:29:52,512 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 06:29:52,514 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 06:29:52,768 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-09 06:29:52,768 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 06:29:52,942 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 06:29:52,943 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 06:29:52,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:29:52 BoogieIcfgContainer [2025-03-09 06:29:52,943 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 06:29:52,945 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 06:29:52,945 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 06:29:52,949 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 06:29:52,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 06:29:51" (1/3) ... [2025-03-09 06:29:52,949 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@504cb058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 06:29:52, skipping insertion in model container [2025-03-09 06:29:52,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:29:52" (2/3) ... [2025-03-09 06:29:52,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@504cb058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 06:29:52, skipping insertion in model container [2025-03-09 06:29:52,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:29:52" (3/3) ... [2025-03-09 06:29:52,951 INFO L128 eAbstractionObserver]: Analyzing ICFG race-2_4-container_of.i [2025-03-09 06:29:52,961 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 06:29:52,962 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-2_4-container_of.i that has 2 procedures, 31 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-03-09 06:29:52,963 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-09 06:29:52,999 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-09 06:29:53,029 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 48 places, 44 transitions, 102 flow [2025-03-09 06:29:53,062 INFO L124 PetriNetUnfolderBase]: 2/51 cut-off events. [2025-03-09 06:29:53,066 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-09 06:29:53,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 51 events. 2/51 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 122 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 28. Up to 3 conditions per place. [2025-03-09 06:29:53,068 INFO L82 GeneralOperation]: Start removeDead. Operand has 48 places, 44 transitions, 102 flow [2025-03-09 06:29:53,070 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 45 places, 38 transitions, 85 flow [2025-03-09 06:29:53,075 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 06:29:53,086 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;@24988db0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 06:29:53,087 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-03-09 06:29:53,093 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-09 06:29:53,093 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2025-03-09 06:29:53,093 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-09 06:29:53,093 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:53,093 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:53,094 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 06:29:53,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:53,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1873702075, now seen corresponding path program 1 times [2025-03-09 06:29:53,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:53,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583498878] [2025-03-09 06:29:53,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:29:53,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:53,226 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-09 06:29:53,268 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-09 06:29:53,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:29:53,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:53,845 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 06:29:53,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:53,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583498878] [2025-03-09 06:29:53,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583498878] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:53,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:53,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 06:29:53,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187438345] [2025-03-09 06:29:53,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:53,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 06:29:53,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:53,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 06:29:53,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-09 06:29:53,876 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:29:53,878 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 38 transitions, 85 flow. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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 06:29:53,878 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:53,879 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:29:53,879 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:29:54,662 INFO L124 PetriNetUnfolderBase]: 2063/3406 cut-off events. [2025-03-09 06:29:54,662 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2025-03-09 06:29:54,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6814 conditions, 3406 events. 2063/3406 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 18971 event pairs, 210 based on Foata normal form. 0/3000 useless extension candidates. Maximal degree in co-relation 6712. Up to 1036 conditions per place. [2025-03-09 06:29:54,686 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 132 selfloop transitions, 20 changer transitions 17/172 dead transitions. [2025-03-09 06:29:54,687 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 172 transitions, 706 flow [2025-03-09 06:29:54,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 06:29:54,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-09 06:29:54,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 238 transitions. [2025-03-09 06:29:54,700 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.49173553719008267 [2025-03-09 06:29:54,702 INFO L175 Difference]: Start difference. First operand has 45 places, 38 transitions, 85 flow. Second operand 11 states and 238 transitions. [2025-03-09 06:29:54,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 172 transitions, 706 flow [2025-03-09 06:29:54,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 172 transitions, 693 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-03-09 06:29:54,714 INFO L231 Difference]: Finished difference. Result has 56 places, 59 transitions, 208 flow [2025-03-09 06:29:54,716 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=208, PETRI_PLACES=56, PETRI_TRANSITIONS=59} [2025-03-09 06:29:54,720 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 11 predicate places. [2025-03-09 06:29:54,720 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 59 transitions, 208 flow [2025-03-09 06:29:54,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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 06:29:54,720 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:54,720 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:54,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 06:29:54,721 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:29:54,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:54,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1873702076, now seen corresponding path program 1 times [2025-03-09 06:29:54,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:54,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095694786] [2025-03-09 06:29:54,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:29:54,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:54,745 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-09 06:29:54,752 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-09 06:29:54,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:29:54,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:55,005 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 06:29:55,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:55,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095694786] [2025-03-09 06:29:55,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095694786] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:55,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:55,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 06:29:55,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248389820] [2025-03-09 06:29:55,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:55,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 06:29:55,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:55,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 06:29:55,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-09 06:29:55,008 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:29:55,009 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 59 transitions, 208 flow. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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 06:29:55,009 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:55,009 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:29:55,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:29:55,607 INFO L124 PetriNetUnfolderBase]: 2702/4536 cut-off events. [2025-03-09 06:29:55,608 INFO L125 PetriNetUnfolderBase]: For 1426/1426 co-relation queries the response was YES. [2025-03-09 06:29:55,615 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10517 conditions, 4536 events. 2702/4536 cut-off events. For 1426/1426 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 27157 event pairs, 1330 based on Foata normal form. 122/4494 useless extension candidates. Maximal degree in co-relation 10415. Up to 2665 conditions per place. [2025-03-09 06:29:55,628 INFO L140 encePairwiseOnDemand]: 33/44 looper letters, 121 selfloop transitions, 25 changer transitions 5/154 dead transitions. [2025-03-09 06:29:55,628 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 154 transitions, 796 flow [2025-03-09 06:29:55,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-09 06:29:55,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-09 06:29:55,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 180 transitions. [2025-03-09 06:29:55,630 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4090909090909091 [2025-03-09 06:29:55,630 INFO L175 Difference]: Start difference. First operand has 56 places, 59 transitions, 208 flow. Second operand 10 states and 180 transitions. [2025-03-09 06:29:55,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 154 transitions, 796 flow [2025-03-09 06:29:55,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 154 transitions, 794 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:29:55,642 INFO L231 Difference]: Finished difference. Result has 71 places, 84 transitions, 417 flow [2025-03-09 06:29:55,642 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=417, PETRI_PLACES=71, PETRI_TRANSITIONS=84} [2025-03-09 06:29:55,643 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 26 predicate places. [2025-03-09 06:29:55,643 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 84 transitions, 417 flow [2025-03-09 06:29:55,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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 06:29:55,643 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:55,643 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:55,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-09 06:29:55,643 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 06:29:55,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:55,644 INFO L85 PathProgramCache]: Analyzing trace with hash -26423826, now seen corresponding path program 1 times [2025-03-09 06:29:55,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:55,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203527435] [2025-03-09 06:29:55,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:29:55,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:55,671 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-09 06:29:55,680 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-09 06:29:55,680 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:29:55,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:55,960 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 06:29:55,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:55,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203527435] [2025-03-09 06:29:55,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203527435] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:55,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:55,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 06:29:55,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589163461] [2025-03-09 06:29:55,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:55,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 06:29:55,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:55,962 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 06:29:55,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-09 06:29:55,962 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:29:55,962 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 84 transitions, 417 flow. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:29:55,962 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:55,962 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:29:55,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:29:56,739 INFO L124 PetriNetUnfolderBase]: 3284/5614 cut-off events. [2025-03-09 06:29:56,740 INFO L125 PetriNetUnfolderBase]: For 4106/4108 co-relation queries the response was YES. [2025-03-09 06:29:56,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14383 conditions, 5614 events. 3284/5614 cut-off events. For 4106/4108 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 36130 event pairs, 807 based on Foata normal form. 2/5508 useless extension candidates. Maximal degree in co-relation 13623. Up to 2101 conditions per place. [2025-03-09 06:29:56,769 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 187 selfloop transitions, 44 changer transitions 25/259 dead transitions. [2025-03-09 06:29:56,769 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 259 transitions, 1765 flow [2025-03-09 06:29:56,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 06:29:56,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-09 06:29:56,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 234 transitions. [2025-03-09 06:29:56,771 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4834710743801653 [2025-03-09 06:29:56,771 INFO L175 Difference]: Start difference. First operand has 71 places, 84 transitions, 417 flow. Second operand 11 states and 234 transitions. [2025-03-09 06:29:56,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 259 transitions, 1765 flow [2025-03-09 06:29:56,781 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 259 transitions, 1763 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:29:56,785 INFO L231 Difference]: Finished difference. Result has 86 places, 120 transitions, 794 flow [2025-03-09 06:29:56,786 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=415, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=794, PETRI_PLACES=86, PETRI_TRANSITIONS=120} [2025-03-09 06:29:56,786 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 41 predicate places. [2025-03-09 06:29:56,786 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 120 transitions, 794 flow [2025-03-09 06:29:56,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:29:56,787 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:56,787 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:56,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-09 06:29:56,787 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:29:56,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:56,788 INFO L85 PathProgramCache]: Analyzing trace with hash -26423825, now seen corresponding path program 1 times [2025-03-09 06:29:56,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:56,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124033641] [2025-03-09 06:29:56,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:29:56,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:56,801 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-09 06:29:56,807 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-09 06:29:56,807 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:29:56,807 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:57,066 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 06:29:57,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:57,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124033641] [2025-03-09 06:29:57,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124033641] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:57,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:57,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 06:29:57,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547026209] [2025-03-09 06:29:57,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:57,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 06:29:57,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:57,068 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 06:29:57,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-09 06:29:57,068 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:29:57,068 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 120 transitions, 794 flow. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:29:57,068 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:57,068 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:29:57,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:29:57,785 INFO L124 PetriNetUnfolderBase]: 2826/4852 cut-off events. [2025-03-09 06:29:57,785 INFO L125 PetriNetUnfolderBase]: For 7433/7435 co-relation queries the response was YES. [2025-03-09 06:29:57,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14636 conditions, 4852 events. 2826/4852 cut-off events. For 7433/7435 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 30812 event pairs, 923 based on Foata normal form. 130/4982 useless extension candidates. Maximal degree in co-relation 13827. Up to 2506 conditions per place. [2025-03-09 06:29:57,819 INFO L140 encePairwiseOnDemand]: 33/44 looper letters, 172 selfloop transitions, 45 changer transitions 5/225 dead transitions. [2025-03-09 06:29:57,820 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 225 transitions, 1803 flow [2025-03-09 06:29:57,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-09 06:29:57,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-09 06:29:57,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 175 transitions. [2025-03-09 06:29:57,821 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3977272727272727 [2025-03-09 06:29:57,821 INFO L175 Difference]: Start difference. First operand has 86 places, 120 transitions, 794 flow. Second operand 10 states and 175 transitions. [2025-03-09 06:29:57,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 225 transitions, 1803 flow [2025-03-09 06:29:57,847 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 225 transitions, 1781 flow, removed 11 selfloop flow, removed 0 redundant places. [2025-03-09 06:29:57,849 INFO L231 Difference]: Finished difference. Result has 102 places, 151 transitions, 1164 flow [2025-03-09 06:29:57,850 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=776, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1164, PETRI_PLACES=102, PETRI_TRANSITIONS=151} [2025-03-09 06:29:57,850 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 57 predicate places. [2025-03-09 06:29:57,850 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 151 transitions, 1164 flow [2025-03-09 06:29:57,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:29:57,850 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:57,850 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:57,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-09 06:29:57,851 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 06:29:57,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:57,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1634477542, now seen corresponding path program 1 times [2025-03-09 06:29:57,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:57,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805091444] [2025-03-09 06:29:57,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:29:57,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:57,866 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:29:57,881 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:29:57,882 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:29:57,882 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:58,001 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 06:29:58,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:58,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805091444] [2025-03-09 06:29:58,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805091444] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:58,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:58,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 06:29:58,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409271328] [2025-03-09 06:29:58,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:58,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 06:29:58,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:58,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 06:29:58,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 06:29:58,004 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 44 [2025-03-09 06:29:58,005 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 151 transitions, 1164 flow. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 06:29:58,005 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:58,005 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 44 [2025-03-09 06:29:58,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:29:58,434 INFO L124 PetriNetUnfolderBase]: 1771/2988 cut-off events. [2025-03-09 06:29:58,435 INFO L125 PetriNetUnfolderBase]: For 7208/7211 co-relation queries the response was YES. [2025-03-09 06:29:58,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9920 conditions, 2988 events. 1771/2988 cut-off events. For 7208/7211 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 16919 event pairs, 642 based on Foata normal form. 1/2989 useless extension candidates. Maximal degree in co-relation 9894. Up to 2382 conditions per place. [2025-03-09 06:29:58,463 INFO L140 encePairwiseOnDemand]: 41/44 looper letters, 162 selfloop transitions, 17 changer transitions 0/181 dead transitions. [2025-03-09 06:29:58,463 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 181 transitions, 1667 flow [2025-03-09 06:29:58,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 06:29:58,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-09 06:29:58,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 90 transitions. [2025-03-09 06:29:58,465 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5113636363636364 [2025-03-09 06:29:58,465 INFO L175 Difference]: Start difference. First operand has 102 places, 151 transitions, 1164 flow. Second operand 4 states and 90 transitions. [2025-03-09 06:29:58,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 181 transitions, 1667 flow [2025-03-09 06:29:58,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 181 transitions, 1615 flow, removed 17 selfloop flow, removed 1 redundant places. [2025-03-09 06:29:58,490 INFO L231 Difference]: Finished difference. Result has 99 places, 115 transitions, 858 flow [2025-03-09 06:29:58,490 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=824, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=858, PETRI_PLACES=99, PETRI_TRANSITIONS=115} [2025-03-09 06:29:58,491 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 54 predicate places. [2025-03-09 06:29:58,491 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 115 transitions, 858 flow [2025-03-09 06:29:58,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 06:29:58,491 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:58,491 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:58,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-09 06:29:58,491 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:29:58,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:58,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1472945716, now seen corresponding path program 1 times [2025-03-09 06:29:58,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:58,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372615787] [2025-03-09 06:29:58,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:29:58,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:58,510 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:29:58,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:29:58,519 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:29:58,519 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:58,942 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 06:29:58,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:58,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372615787] [2025-03-09 06:29:58,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372615787] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:58,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:58,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-09 06:29:58,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920972956] [2025-03-09 06:29:58,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:58,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 06:29:58,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:58,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 06:29:58,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-09 06:29:58,944 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:29:58,944 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 115 transitions, 858 flow. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 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 06:29:58,944 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:58,944 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:29:58,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:29:59,518 INFO L124 PetriNetUnfolderBase]: 1866/3150 cut-off events. [2025-03-09 06:29:59,519 INFO L125 PetriNetUnfolderBase]: For 7380/7388 co-relation queries the response was YES. [2025-03-09 06:29:59,529 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10566 conditions, 3150 events. 1866/3150 cut-off events. For 7380/7388 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 17301 event pairs, 593 based on Foata normal form. 44/3194 useless extension candidates. Maximal degree in co-relation 10539. Up to 1854 conditions per place. [2025-03-09 06:29:59,538 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 134 selfloop transitions, 59 changer transitions 3/198 dead transitions. [2025-03-09 06:29:59,538 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 198 transitions, 1697 flow [2025-03-09 06:29:59,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-09 06:29:59,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-09 06:29:59,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 199 transitions. [2025-03-09 06:29:59,539 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3479020979020979 [2025-03-09 06:29:59,540 INFO L175 Difference]: Start difference. First operand has 99 places, 115 transitions, 858 flow. Second operand 13 states and 199 transitions. [2025-03-09 06:29:59,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 198 transitions, 1697 flow [2025-03-09 06:29:59,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 198 transitions, 1663 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-09 06:29:59,561 INFO L231 Difference]: Finished difference. Result has 116 places, 143 transitions, 1258 flow [2025-03-09 06:29:59,561 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=840, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1258, PETRI_PLACES=116, PETRI_TRANSITIONS=143} [2025-03-09 06:29:59,561 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 71 predicate places. [2025-03-09 06:29:59,561 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 143 transitions, 1258 flow [2025-03-09 06:29:59,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 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 06:29:59,562 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:29:59,562 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:29:59,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-09 06:29:59,562 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:29:59,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:29:59,562 INFO L85 PathProgramCache]: Analyzing trace with hash 853981071, now seen corresponding path program 1 times [2025-03-09 06:29:59,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:29:59,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775617364] [2025-03-09 06:29:59,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:29:59,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:29:59,575 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:29:59,580 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:29:59,581 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:29:59,581 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:29:59,944 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 06:29:59,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:29:59,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775617364] [2025-03-09 06:29:59,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775617364] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:29:59,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:29:59,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:29:59,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404650706] [2025-03-09 06:29:59,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:29:59,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:29:59,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:29:59,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:29:59,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:29:59,945 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:29:59,946 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 143 transitions, 1258 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 06:29:59,946 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:29:59,946 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:29:59,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:00,933 INFO L124 PetriNetUnfolderBase]: 2397/4059 cut-off events. [2025-03-09 06:30:00,933 INFO L125 PetriNetUnfolderBase]: For 14716/14726 co-relation queries the response was YES. [2025-03-09 06:30:00,948 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15560 conditions, 4059 events. 2397/4059 cut-off events. For 14716/14726 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 23490 event pairs, 1002 based on Foata normal form. 66/4125 useless extension candidates. Maximal degree in co-relation 15527. Up to 2016 conditions per place. [2025-03-09 06:30:00,959 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 185 selfloop transitions, 113 changer transitions 8/308 dead transitions. [2025-03-09 06:30:00,960 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 308 transitions, 3043 flow [2025-03-09 06:30:00,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-09 06:30:00,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2025-03-09 06:30:00,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 306 transitions. [2025-03-09 06:30:00,962 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.31611570247933884 [2025-03-09 06:30:00,962 INFO L175 Difference]: Start difference. First operand has 116 places, 143 transitions, 1258 flow. Second operand 22 states and 306 transitions. [2025-03-09 06:30:00,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 308 transitions, 3043 flow [2025-03-09 06:30:01,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 308 transitions, 2994 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-09 06:30:01,005 INFO L231 Difference]: Finished difference. Result has 141 places, 204 transitions, 2216 flow [2025-03-09 06:30:01,006 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1225, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=2216, PETRI_PLACES=141, PETRI_TRANSITIONS=204} [2025-03-09 06:30:01,006 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 96 predicate places. [2025-03-09 06:30:01,006 INFO L471 AbstractCegarLoop]: Abstraction has has 141 places, 204 transitions, 2216 flow [2025-03-09 06:30:01,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 06:30:01,007 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:01,007 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:01,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-09 06:30:01,007 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:01,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:01,007 INFO L85 PathProgramCache]: Analyzing trace with hash -909564357, now seen corresponding path program 2 times [2025-03-09 06:30:01,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:01,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885083678] [2025-03-09 06:30:01,008 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:01,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:01,021 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:30:01,027 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:30:01,027 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:01,028 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:01,376 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 06:30:01,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:01,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885083678] [2025-03-09 06:30:01,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885083678] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:01,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:01,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:30:01,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904828723] [2025-03-09 06:30:01,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:01,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:30:01,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:01,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:30:01,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:30:01,379 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:01,379 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 204 transitions, 2216 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 06:30:01,380 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:01,380 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:01,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:02,429 INFO L124 PetriNetUnfolderBase]: 3376/5733 cut-off events. [2025-03-09 06:30:02,429 INFO L125 PetriNetUnfolderBase]: For 27562/27572 co-relation queries the response was YES. [2025-03-09 06:30:02,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23873 conditions, 5733 events. 3376/5733 cut-off events. For 27562/27572 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 35672 event pairs, 1666 based on Foata normal form. 66/5799 useless extension candidates. Maximal degree in co-relation 23830. Up to 3651 conditions per place. [2025-03-09 06:30:02,460 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 293 selfloop transitions, 122 changer transitions 8/425 dead transitions. [2025-03-09 06:30:02,461 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 425 transitions, 5183 flow [2025-03-09 06:30:02,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-09 06:30:02,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-09 06:30:02,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 289 transitions. [2025-03-09 06:30:02,462 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.32840909090909093 [2025-03-09 06:30:02,462 INFO L175 Difference]: Start difference. First operand has 141 places, 204 transitions, 2216 flow. Second operand 20 states and 289 transitions. [2025-03-09 06:30:02,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 425 transitions, 5183 flow [2025-03-09 06:30:02,554 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 425 transitions, 5082 flow, removed 11 selfloop flow, removed 8 redundant places. [2025-03-09 06:30:02,559 INFO L231 Difference]: Finished difference. Result has 166 places, 298 transitions, 3890 flow [2025-03-09 06:30:02,560 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2140, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=3890, PETRI_PLACES=166, PETRI_TRANSITIONS=298} [2025-03-09 06:30:02,560 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 121 predicate places. [2025-03-09 06:30:02,560 INFO L471 AbstractCegarLoop]: Abstraction has has 166 places, 298 transitions, 3890 flow [2025-03-09 06:30:02,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 06:30:02,561 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:02,561 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:02,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-09 06:30:02,561 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 06:30:02,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:02,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1033639985, now seen corresponding path program 1 times [2025-03-09 06:30:02,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:02,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902281307] [2025-03-09 06:30:02,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:30:02,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:02,574 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:30:02,578 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:30:02,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:02,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:02,841 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 06:30:02,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:02,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902281307] [2025-03-09 06:30:02,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902281307] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:02,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:02,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:30:02,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016987954] [2025-03-09 06:30:02,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:02,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:30:02,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:02,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:30:02,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:30:02,843 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:02,843 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 298 transitions, 3890 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 06:30:02,843 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:02,843 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:02,843 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:03,919 INFO L124 PetriNetUnfolderBase]: 3749/6450 cut-off events. [2025-03-09 06:30:03,919 INFO L125 PetriNetUnfolderBase]: For 39679/39691 co-relation queries the response was YES. [2025-03-09 06:30:03,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28403 conditions, 6450 events. 3749/6450 cut-off events. For 39679/39691 co-relation queries the response was YES. Maximal size of possible extension queue 288. Compared 41756 event pairs, 1852 based on Foata normal form. 110/6560 useless extension candidates. Maximal degree in co-relation 28346. Up to 4900 conditions per place. [2025-03-09 06:30:03,963 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 286 selfloop transitions, 82 changer transitions 13/383 dead transitions. [2025-03-09 06:30:03,963 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 383 transitions, 5371 flow [2025-03-09 06:30:03,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 06:30:03,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-03-09 06:30:03,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 194 transitions. [2025-03-09 06:30:03,964 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.36742424242424243 [2025-03-09 06:30:03,964 INFO L175 Difference]: Start difference. First operand has 166 places, 298 transitions, 3890 flow. Second operand 12 states and 194 transitions. [2025-03-09 06:30:03,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 383 transitions, 5371 flow [2025-03-09 06:30:04,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 383 transitions, 5245 flow, removed 48 selfloop flow, removed 4 redundant places. [2025-03-09 06:30:04,112 INFO L231 Difference]: Finished difference. Result has 178 places, 308 transitions, 4168 flow [2025-03-09 06:30:04,113 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3784, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=4168, PETRI_PLACES=178, PETRI_TRANSITIONS=308} [2025-03-09 06:30:04,114 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 133 predicate places. [2025-03-09 06:30:04,114 INFO L471 AbstractCegarLoop]: Abstraction has has 178 places, 308 transitions, 4168 flow [2025-03-09 06:30:04,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 06:30:04,114 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:04,114 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:04,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-09 06:30:04,114 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:04,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:04,115 INFO L85 PathProgramCache]: Analyzing trace with hash 2384015, now seen corresponding path program 3 times [2025-03-09 06:30:04,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:04,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570127253] [2025-03-09 06:30:04,115 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:30:04,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:04,126 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:30:04,131 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:30:04,131 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:30:04,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:04,458 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 06:30:04,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:04,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570127253] [2025-03-09 06:30:04,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570127253] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:04,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:04,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:30:04,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54588681] [2025-03-09 06:30:04,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:04,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:30:04,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:04,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:30:04,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:30:04,460 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:04,460 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 308 transitions, 4168 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 06:30:04,460 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:04,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:04,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:05,828 INFO L124 PetriNetUnfolderBase]: 3793/6518 cut-off events. [2025-03-09 06:30:05,828 INFO L125 PetriNetUnfolderBase]: For 44695/44707 co-relation queries the response was YES. [2025-03-09 06:30:05,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29027 conditions, 6518 events. 3793/6518 cut-off events. For 44695/44707 co-relation queries the response was YES. Maximal size of possible extension queue 290. Compared 42069 event pairs, 1833 based on Foata normal form. 68/6586 useless extension candidates. Maximal degree in co-relation 28966. Up to 3583 conditions per place. [2025-03-09 06:30:05,874 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 263 selfloop transitions, 170 changer transitions 12/447 dead transitions. [2025-03-09 06:30:05,875 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 447 transitions, 6272 flow [2025-03-09 06:30:05,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-09 06:30:05,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-09 06:30:05,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 293 transitions. [2025-03-09 06:30:05,876 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.33295454545454545 [2025-03-09 06:30:05,876 INFO L175 Difference]: Start difference. First operand has 178 places, 308 transitions, 4168 flow. Second operand 20 states and 293 transitions. [2025-03-09 06:30:05,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 447 transitions, 6272 flow [2025-03-09 06:30:06,022 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 447 transitions, 6163 flow, removed 20 selfloop flow, removed 6 redundant places. [2025-03-09 06:30:06,027 INFO L231 Difference]: Finished difference. Result has 196 places, 337 transitions, 5028 flow [2025-03-09 06:30:06,027 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=4064, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=5028, PETRI_PLACES=196, PETRI_TRANSITIONS=337} [2025-03-09 06:30:06,028 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 151 predicate places. [2025-03-09 06:30:06,028 INFO L471 AbstractCegarLoop]: Abstraction has has 196 places, 337 transitions, 5028 flow [2025-03-09 06:30:06,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 06:30:06,028 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:06,028 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:06,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-09 06:30:06,028 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:06,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:06,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1281552142, now seen corresponding path program 1 times [2025-03-09 06:30:06,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:06,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146717559] [2025-03-09 06:30:06,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:30:06,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:06,038 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:30:06,042 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:30:06,042 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:06,042 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:06,321 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 06:30:06,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:06,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146717559] [2025-03-09 06:30:06,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146717559] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:06,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:06,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-09 06:30:06,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547838717] [2025-03-09 06:30:06,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:06,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 06:30:06,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:06,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 06:30:06,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-09 06:30:06,322 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:06,322 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 337 transitions, 5028 flow. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 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 06:30:06,322 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:06,322 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:06,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:07,549 INFO L124 PetriNetUnfolderBase]: 3780/6464 cut-off events. [2025-03-09 06:30:07,550 INFO L125 PetriNetUnfolderBase]: For 52955/52965 co-relation queries the response was YES. [2025-03-09 06:30:07,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30905 conditions, 6464 events. 3780/6464 cut-off events. For 52955/52965 co-relation queries the response was YES. Maximal size of possible extension queue 283. Compared 41165 event pairs, 994 based on Foata normal form. 43/6507 useless extension candidates. Maximal degree in co-relation 30839. Up to 3062 conditions per place. [2025-03-09 06:30:07,593 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 299 selfloop transitions, 135 changer transitions 15/451 dead transitions. [2025-03-09 06:30:07,593 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 451 transitions, 7078 flow [2025-03-09 06:30:07,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-09 06:30:07,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-09 06:30:07,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 198 transitions. [2025-03-09 06:30:07,595 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.34615384615384615 [2025-03-09 06:30:07,595 INFO L175 Difference]: Start difference. First operand has 196 places, 337 transitions, 5028 flow. Second operand 13 states and 198 transitions. [2025-03-09 06:30:07,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 451 transitions, 7078 flow [2025-03-09 06:30:07,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 451 transitions, 6686 flow, removed 79 selfloop flow, removed 15 redundant places. [2025-03-09 06:30:07,803 INFO L231 Difference]: Finished difference. Result has 200 places, 385 transitions, 5792 flow [2025-03-09 06:30:07,804 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=4692, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=5792, PETRI_PLACES=200, PETRI_TRANSITIONS=385} [2025-03-09 06:30:07,804 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 155 predicate places. [2025-03-09 06:30:07,804 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 385 transitions, 5792 flow [2025-03-09 06:30:07,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 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 06:30:07,804 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:07,804 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:07,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-09 06:30:07,804 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 06:30:07,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:07,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1479033167, now seen corresponding path program 2 times [2025-03-09 06:30:07,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:07,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615225690] [2025-03-09 06:30:07,805 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:07,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:07,814 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:30:07,818 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:30:07,818 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:07,818 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:08,045 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 06:30:08,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:08,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615225690] [2025-03-09 06:30:08,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615225690] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:08,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:08,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:30:08,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903127220] [2025-03-09 06:30:08,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:08,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:30:08,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:08,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:30:08,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:30:08,046 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:08,046 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 385 transitions, 5792 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 06:30:08,046 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:08,046 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:08,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:09,667 INFO L124 PetriNetUnfolderBase]: 4337/7524 cut-off events. [2025-03-09 06:30:09,667 INFO L125 PetriNetUnfolderBase]: For 83275/83285 co-relation queries the response was YES. [2025-03-09 06:30:09,721 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38546 conditions, 7524 events. 4337/7524 cut-off events. For 83275/83285 co-relation queries the response was YES. Maximal size of possible extension queue 362. Compared 50612 event pairs, 2038 based on Foata normal form. 134/7658 useless extension candidates. Maximal degree in co-relation 38478. Up to 4773 conditions per place. [2025-03-09 06:30:09,748 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 283 selfloop transitions, 194 changer transitions 20/499 dead transitions. [2025-03-09 06:30:09,748 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 499 transitions, 7737 flow [2025-03-09 06:30:09,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-09 06:30:09,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-09 06:30:09,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 279 transitions. [2025-03-09 06:30:09,750 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.33373205741626794 [2025-03-09 06:30:09,750 INFO L175 Difference]: Start difference. First operand has 200 places, 385 transitions, 5792 flow. Second operand 19 states and 279 transitions. [2025-03-09 06:30:09,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 499 transitions, 7737 flow [2025-03-09 06:30:10,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 499 transitions, 7595 flow, removed 27 selfloop flow, removed 5 redundant places. [2025-03-09 06:30:10,165 INFO L231 Difference]: Finished difference. Result has 218 places, 393 transitions, 6306 flow [2025-03-09 06:30:10,165 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5672, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=182, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=6306, PETRI_PLACES=218, PETRI_TRANSITIONS=393} [2025-03-09 06:30:10,165 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 173 predicate places. [2025-03-09 06:30:10,165 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 393 transitions, 6306 flow [2025-03-09 06:30:10,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 06:30:10,166 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:10,166 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:10,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-09 06:30:10,166 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:10,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:10,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1754128554, now seen corresponding path program 2 times [2025-03-09 06:30:10,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:10,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251955076] [2025-03-09 06:30:10,166 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:10,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:10,180 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:30:10,185 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:30:10,186 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:10,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:10,496 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 06:30:10,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:10,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251955076] [2025-03-09 06:30:10,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251955076] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:10,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:10,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-09 06:30:10,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848727085] [2025-03-09 06:30:10,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:10,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 06:30:10,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:10,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 06:30:10,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-03-09 06:30:10,499 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:10,499 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 393 transitions, 6306 flow. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 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 06:30:10,499 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:10,499 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:10,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:11,722 INFO L124 PetriNetUnfolderBase]: 4263/7339 cut-off events. [2025-03-09 06:30:11,723 INFO L125 PetriNetUnfolderBase]: For 87504/87514 co-relation queries the response was YES. [2025-03-09 06:30:11,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38793 conditions, 7339 events. 4263/7339 cut-off events. For 87504/87514 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 48704 event pairs, 1395 based on Foata normal form. 44/7383 useless extension candidates. Maximal degree in co-relation 38719. Up to 4298 conditions per place. [2025-03-09 06:30:11,785 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 281 selfloop transitions, 213 changer transitions 5/501 dead transitions. [2025-03-09 06:30:11,785 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 501 transitions, 8449 flow [2025-03-09 06:30:11,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 06:30:11,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-09 06:30:11,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 222 transitions. [2025-03-09 06:30:11,786 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.33636363636363636 [2025-03-09 06:30:11,787 INFO L175 Difference]: Start difference. First operand has 218 places, 393 transitions, 6306 flow. Second operand 15 states and 222 transitions. [2025-03-09 06:30:11,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 501 transitions, 8449 flow [2025-03-09 06:30:12,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 501 transitions, 8345 flow, removed 19 selfloop flow, removed 9 redundant places. [2025-03-09 06:30:12,144 INFO L231 Difference]: Finished difference. Result has 229 places, 445 transitions, 7625 flow [2025-03-09 06:30:12,144 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6207, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=172, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=7625, PETRI_PLACES=229, PETRI_TRANSITIONS=445} [2025-03-09 06:30:12,145 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 184 predicate places. [2025-03-09 06:30:12,145 INFO L471 AbstractCegarLoop]: Abstraction has has 229 places, 445 transitions, 7625 flow [2025-03-09 06:30:12,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 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 06:30:12,145 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:12,145 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:12,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-09 06:30:12,145 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 06:30:12,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:12,146 INFO L85 PathProgramCache]: Analyzing trace with hash 568880881, now seen corresponding path program 3 times [2025-03-09 06:30:12,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:12,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69269915] [2025-03-09 06:30:12,146 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:30:12,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:12,155 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:30:12,159 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:30:12,159 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:30:12,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:12,393 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 06:30:12,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:12,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69269915] [2025-03-09 06:30:12,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69269915] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:12,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:12,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:30:12,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372309492] [2025-03-09 06:30:12,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:12,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:30:12,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:12,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:30:12,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:30:12,394 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:12,395 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 445 transitions, 7625 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 06:30:12,395 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:12,395 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:12,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:13,810 INFO L124 PetriNetUnfolderBase]: 4636/8074 cut-off events. [2025-03-09 06:30:13,810 INFO L125 PetriNetUnfolderBase]: For 117230/117240 co-relation queries the response was YES. [2025-03-09 06:30:13,866 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44377 conditions, 8074 events. 4636/8074 cut-off events. For 117230/117240 co-relation queries the response was YES. Maximal size of possible extension queue 397. Compared 55348 event pairs, 2198 based on Foata normal form. 134/8208 useless extension candidates. Maximal degree in co-relation 44298. Up to 5083 conditions per place. [2025-03-09 06:30:13,888 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 349 selfloop transitions, 166 changer transitions 18/535 dead transitions. [2025-03-09 06:30:13,888 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 535 transitions, 9488 flow [2025-03-09 06:30:13,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 06:30:13,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-09 06:30:13,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 225 transitions. [2025-03-09 06:30:13,890 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3409090909090909 [2025-03-09 06:30:13,890 INFO L175 Difference]: Start difference. First operand has 229 places, 445 transitions, 7625 flow. Second operand 15 states and 225 transitions. [2025-03-09 06:30:13,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 535 transitions, 9488 flow [2025-03-09 06:30:14,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 535 transitions, 9303 flow, removed 65 selfloop flow, removed 4 redundant places. [2025-03-09 06:30:14,458 INFO L231 Difference]: Finished difference. Result has 242 places, 447 transitions, 7889 flow [2025-03-09 06:30:14,459 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7447, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=159, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=7889, PETRI_PLACES=242, PETRI_TRANSITIONS=447} [2025-03-09 06:30:14,459 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 197 predicate places. [2025-03-09 06:30:14,459 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 447 transitions, 7889 flow [2025-03-09 06:30:14,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 06:30:14,460 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:14,460 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:14,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-09 06:30:14,460 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:14,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:14,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1955269944, now seen corresponding path program 2 times [2025-03-09 06:30:14,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:14,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331357748] [2025-03-09 06:30:14,461 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:14,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:14,469 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:30:14,473 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:30:14,473 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:14,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:14,711 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 06:30:14,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:14,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331357748] [2025-03-09 06:30:14,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331357748] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:14,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:14,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-09 06:30:14,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305858228] [2025-03-09 06:30:14,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:14,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 06:30:14,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:14,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 06:30:14,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-03-09 06:30:14,713 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:14,713 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 447 transitions, 7889 flow. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 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 06:30:14,713 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:14,713 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:14,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:16,289 INFO L124 PetriNetUnfolderBase]: 4551/7867 cut-off events. [2025-03-09 06:30:16,289 INFO L125 PetriNetUnfolderBase]: For 118584/118594 co-relation queries the response was YES. [2025-03-09 06:30:16,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43941 conditions, 7867 events. 4551/7867 cut-off events. For 118584/118594 co-relation queries the response was YES. Maximal size of possible extension queue 377. Compared 53091 event pairs, 1512 based on Foata normal form. 43/7910 useless extension candidates. Maximal degree in co-relation 43858. Up to 4361 conditions per place. [2025-03-09 06:30:16,349 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 351 selfloop transitions, 185 changer transitions 7/545 dead transitions. [2025-03-09 06:30:16,349 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 545 transitions, 10048 flow [2025-03-09 06:30:16,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 06:30:16,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-09 06:30:16,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 221 transitions. [2025-03-09 06:30:16,350 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.33484848484848484 [2025-03-09 06:30:16,350 INFO L175 Difference]: Start difference. First operand has 242 places, 447 transitions, 7889 flow. Second operand 15 states and 221 transitions. [2025-03-09 06:30:16,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 545 transitions, 10048 flow [2025-03-09 06:30:16,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 545 transitions, 9797 flow, removed 15 selfloop flow, removed 10 redundant places. [2025-03-09 06:30:16,803 INFO L231 Difference]: Finished difference. Result has 251 places, 485 transitions, 8844 flow [2025-03-09 06:30:16,804 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7672, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=8844, PETRI_PLACES=251, PETRI_TRANSITIONS=485} [2025-03-09 06:30:16,804 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 206 predicate places. [2025-03-09 06:30:16,804 INFO L471 AbstractCegarLoop]: Abstraction has has 251 places, 485 transitions, 8844 flow [2025-03-09 06:30:16,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 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 06:30:16,804 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:16,805 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:16,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-09 06:30:16,805 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 06:30:16,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:16,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1790672005, now seen corresponding path program 1 times [2025-03-09 06:30:16,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:16,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113186543] [2025-03-09 06:30:16,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:30:16,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:16,815 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-09 06:30:16,820 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-09 06:30:16,820 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:16,820 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:17,007 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 06:30:17,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:17,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113186543] [2025-03-09 06:30:17,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113186543] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:17,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:17,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-09 06:30:17,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788327150] [2025-03-09 06:30:17,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:17,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 06:30:17,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:17,009 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 06:30:17,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-09 06:30:17,009 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:17,009 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 485 transitions, 8844 flow. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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 06:30:17,009 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:17,009 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:17,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:19,785 INFO L124 PetriNetUnfolderBase]: 8556/15450 cut-off events. [2025-03-09 06:30:19,785 INFO L125 PetriNetUnfolderBase]: For 266050/266060 co-relation queries the response was YES. [2025-03-09 06:30:19,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81841 conditions, 15450 events. 8556/15450 cut-off events. For 266050/266060 co-relation queries the response was YES. Maximal size of possible extension queue 927. Compared 127396 event pairs, 2634 based on Foata normal form. 236/15686 useless extension candidates. Maximal degree in co-relation 81753. Up to 4829 conditions per place. [2025-03-09 06:30:19,926 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 604 selfloop transitions, 96 changer transitions 10/712 dead transitions. [2025-03-09 06:30:19,926 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 712 transitions, 13214 flow [2025-03-09 06:30:19,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 06:30:19,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-09 06:30:19,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 220 transitions. [2025-03-09 06:30:19,927 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.45454545454545453 [2025-03-09 06:30:19,927 INFO L175 Difference]: Start difference. First operand has 251 places, 485 transitions, 8844 flow. Second operand 11 states and 220 transitions. [2025-03-09 06:30:19,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 712 transitions, 13214 flow [2025-03-09 06:30:20,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 712 transitions, 12903 flow, removed 76 selfloop flow, removed 5 redundant places. [2025-03-09 06:30:20,846 INFO L231 Difference]: Finished difference. Result has 261 places, 522 transitions, 9573 flow [2025-03-09 06:30:20,846 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8645, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=485, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=9573, PETRI_PLACES=261, PETRI_TRANSITIONS=522} [2025-03-09 06:30:20,847 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 216 predicate places. [2025-03-09 06:30:20,847 INFO L471 AbstractCegarLoop]: Abstraction has has 261 places, 522 transitions, 9573 flow [2025-03-09 06:30:20,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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 06:30:20,847 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:20,847 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:20,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-09 06:30:20,847 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:20,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:20,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1067273229, now seen corresponding path program 1 times [2025-03-09 06:30:20,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:20,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820508607] [2025-03-09 06:30:20,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:30:20,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:20,858 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-09 06:30:20,862 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-09 06:30:20,862 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:30:20,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:21,103 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 06:30:21,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:21,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820508607] [2025-03-09 06:30:21,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820508607] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:21,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:21,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-09 06:30:21,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278085950] [2025-03-09 06:30:21,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:21,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 06:30:21,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:21,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 06:30:21,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-09 06:30:21,104 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:21,105 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 522 transitions, 9573 flow. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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 06:30:21,105 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:21,105 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:21,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:26,769 INFO L124 PetriNetUnfolderBase]: 15284/28149 cut-off events. [2025-03-09 06:30:26,769 INFO L125 PetriNetUnfolderBase]: For 558981/558991 co-relation queries the response was YES. [2025-03-09 06:30:27,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 160888 conditions, 28149 events. 15284/28149 cut-off events. For 558981/558991 co-relation queries the response was YES. Maximal size of possible extension queue 1861. Compared 262996 event pairs, 5738 based on Foata normal form. 563/28712 useless extension candidates. Maximal degree in co-relation 160795. Up to 11534 conditions per place. [2025-03-09 06:30:27,142 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 661 selfloop transitions, 129 changer transitions 25/817 dead transitions. [2025-03-09 06:30:27,142 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 817 transitions, 15534 flow [2025-03-09 06:30:27,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 06:30:27,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-09 06:30:27,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 227 transitions. [2025-03-09 06:30:27,143 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4690082644628099 [2025-03-09 06:30:27,143 INFO L175 Difference]: Start difference. First operand has 261 places, 522 transitions, 9573 flow. Second operand 11 states and 227 transitions. [2025-03-09 06:30:27,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 817 transitions, 15534 flow [2025-03-09 06:30:29,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 817 transitions, 15260 flow, removed 121 selfloop flow, removed 3 redundant places. [2025-03-09 06:30:29,639 INFO L231 Difference]: Finished difference. Result has 273 places, 575 transitions, 10993 flow [2025-03-09 06:30:29,639 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=9484, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=522, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=10993, PETRI_PLACES=273, PETRI_TRANSITIONS=575} [2025-03-09 06:30:29,640 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 228 predicate places. [2025-03-09 06:30:29,640 INFO L471 AbstractCegarLoop]: Abstraction has has 273 places, 575 transitions, 10993 flow [2025-03-09 06:30:29,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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 06:30:29,640 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:29,640 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:29,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-09 06:30:29,640 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 06:30:29,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:29,640 INFO L85 PathProgramCache]: Analyzing trace with hash -642760927, now seen corresponding path program 2 times [2025-03-09 06:30:29,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:29,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236990466] [2025-03-09 06:30:29,641 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:29,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:29,650 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 17 statements into 1 equivalence classes. [2025-03-09 06:30:29,653 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-09 06:30:29,653 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:29,653 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:29,865 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 06:30:29,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:29,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236990466] [2025-03-09 06:30:29,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236990466] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:29,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:29,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-09 06:30:29,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745104920] [2025-03-09 06:30:29,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:29,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 06:30:29,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:29,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 06:30:29,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-09 06:30:29,867 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:29,868 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 575 transitions, 10993 flow. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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 06:30:29,868 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:29,868 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:29,868 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:36,566 INFO L124 PetriNetUnfolderBase]: 16809/31236 cut-off events. [2025-03-09 06:30:36,566 INFO L125 PetriNetUnfolderBase]: For 726829/726839 co-relation queries the response was YES. [2025-03-09 06:30:36,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 194546 conditions, 31236 events. 16809/31236 cut-off events. For 726829/726839 co-relation queries the response was YES. Maximal size of possible extension queue 2094. Compared 299133 event pairs, 7323 based on Foata normal form. 378/31614 useless extension candidates. Maximal degree in co-relation 194448. Up to 16864 conditions per place. [2025-03-09 06:30:36,906 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 699 selfloop transitions, 120 changer transitions 21/842 dead transitions. [2025-03-09 06:30:36,906 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 842 transitions, 16948 flow [2025-03-09 06:30:36,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-09 06:30:36,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-09 06:30:36,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 208 transitions. [2025-03-09 06:30:36,907 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4727272727272727 [2025-03-09 06:30:36,907 INFO L175 Difference]: Start difference. First operand has 273 places, 575 transitions, 10993 flow. Second operand 10 states and 208 transitions. [2025-03-09 06:30:36,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 842 transitions, 16948 flow [2025-03-09 06:30:39,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 842 transitions, 16783 flow, removed 58 selfloop flow, removed 3 redundant places. [2025-03-09 06:30:39,854 INFO L231 Difference]: Finished difference. Result has 284 places, 621 transitions, 12345 flow [2025-03-09 06:30:39,855 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=10928, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=575, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=464, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=12345, PETRI_PLACES=284, PETRI_TRANSITIONS=621} [2025-03-09 06:30:39,855 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 239 predicate places. [2025-03-09 06:30:39,855 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 621 transitions, 12345 flow [2025-03-09 06:30:39,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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 06:30:39,855 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:39,855 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:39,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-09 06:30:39,855 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 06:30:39,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:39,856 INFO L85 PathProgramCache]: Analyzing trace with hash 105878685, now seen corresponding path program 3 times [2025-03-09 06:30:39,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:39,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353727522] [2025-03-09 06:30:39,856 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:30:39,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:39,865 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 17 statements into 1 equivalence classes. [2025-03-09 06:30:39,870 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-09 06:30:39,870 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:30:39,870 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:40,201 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 06:30:40,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:40,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353727522] [2025-03-09 06:30:40,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353727522] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:40,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:40,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:30:40,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572982620] [2025-03-09 06:30:40,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:40,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:30:40,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:40,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:30:40,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:30:40,203 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:40,203 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 621 transitions, 12345 flow. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 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 06:30:40,203 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:40,203 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:40,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:46,724 INFO L124 PetriNetUnfolderBase]: 16290/30253 cut-off events. [2025-03-09 06:30:46,725 INFO L125 PetriNetUnfolderBase]: For 784214/784224 co-relation queries the response was YES. [2025-03-09 06:30:47,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202193 conditions, 30253 events. 16290/30253 cut-off events. For 784214/784224 co-relation queries the response was YES. Maximal size of possible extension queue 2037. Compared 285490 event pairs, 7016 based on Foata normal form. 82/30335 useless extension candidates. Maximal degree in co-relation 202090. Up to 20009 conditions per place. [2025-03-09 06:30:47,486 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 473 selfloop transitions, 253 changer transitions 15/743 dead transitions. [2025-03-09 06:30:47,487 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 743 transitions, 15884 flow [2025-03-09 06:30:47,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-09 06:30:47,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2025-03-09 06:30:47,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 212 transitions. [2025-03-09 06:30:47,488 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.34415584415584416 [2025-03-09 06:30:47,488 INFO L175 Difference]: Start difference. First operand has 284 places, 621 transitions, 12345 flow. Second operand 14 states and 212 transitions. [2025-03-09 06:30:47,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 743 transitions, 15884 flow [2025-03-09 06:30:50,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 743 transitions, 15488 flow, removed 177 selfloop flow, removed 3 redundant places. [2025-03-09 06:30:50,801 INFO L231 Difference]: Finished difference. Result has 300 places, 667 transitions, 14073 flow [2025-03-09 06:30:50,801 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=12088, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=621, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=214, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=14073, PETRI_PLACES=300, PETRI_TRANSITIONS=667} [2025-03-09 06:30:50,801 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 255 predicate places. [2025-03-09 06:30:50,802 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 667 transitions, 14073 flow [2025-03-09 06:30:50,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 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 06:30:50,802 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:30:50,802 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:30:50,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-09 06:30:50,802 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-09 06:30:50,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:30:50,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1223399795, now seen corresponding path program 2 times [2025-03-09 06:30:50,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:30:50,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096725932] [2025-03-09 06:30:50,802 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:30:50,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:30:50,812 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 17 statements into 1 equivalence classes. [2025-03-09 06:30:50,817 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-09 06:30:50,817 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:30:50,817 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:30:51,329 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 06:30:51,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:30:51,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096725932] [2025-03-09 06:30:51,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096725932] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:30:51,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:30:51,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:30:51,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632051655] [2025-03-09 06:30:51,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:30:51,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:30:51,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:30:51,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:30:51,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:30:51,330 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:30:51,331 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 667 transitions, 14073 flow. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 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 06:30:51,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:30:51,331 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:30:51,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:30:58,869 INFO L124 PetriNetUnfolderBase]: 16697/31009 cut-off events. [2025-03-09 06:30:58,869 INFO L125 PetriNetUnfolderBase]: For 864637/864647 co-relation queries the response was YES. [2025-03-09 06:30:59,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 210922 conditions, 31009 events. 16697/31009 cut-off events. For 864637/864647 co-relation queries the response was YES. Maximal size of possible extension queue 2061. Compared 292436 event pairs, 7139 based on Foata normal form. 157/31166 useless extension candidates. Maximal degree in co-relation 210814. Up to 18743 conditions per place. [2025-03-09 06:30:59,771 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 576 selfloop transitions, 282 changer transitions 17/877 dead transitions. [2025-03-09 06:30:59,771 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 877 transitions, 19074 flow [2025-03-09 06:30:59,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-09 06:30:59,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-09 06:30:59,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 295 transitions. [2025-03-09 06:30:59,772 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3352272727272727 [2025-03-09 06:30:59,772 INFO L175 Difference]: Start difference. First operand has 300 places, 667 transitions, 14073 flow. Second operand 20 states and 295 transitions. [2025-03-09 06:30:59,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 877 transitions, 19074 flow [2025-03-09 06:31:03,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 877 transitions, 18758 flow, removed 132 selfloop flow, removed 5 redundant places. [2025-03-09 06:31:03,381 INFO L231 Difference]: Finished difference. Result has 323 places, 748 transitions, 16505 flow [2025-03-09 06:31:03,381 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=13919, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=667, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=211, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=16505, PETRI_PLACES=323, PETRI_TRANSITIONS=748} [2025-03-09 06:31:03,382 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 278 predicate places. [2025-03-09 06:31:03,382 INFO L471 AbstractCegarLoop]: Abstraction has has 323 places, 748 transitions, 16505 flow [2025-03-09 06:31:03,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 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 06:31:03,382 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:31:03,382 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:31:03,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-09 06:31:03,382 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 06:31:03,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:31:03,382 INFO L85 PathProgramCache]: Analyzing trace with hash -189955875, now seen corresponding path program 3 times [2025-03-09 06:31:03,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:31:03,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074730102] [2025-03-09 06:31:03,383 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:31:03,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:31:03,391 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 17 statements into 1 equivalence classes. [2025-03-09 06:31:03,395 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-09 06:31:03,396 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:31:03,396 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:31:03,840 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 06:31:03,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:31:03,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074730102] [2025-03-09 06:31:03,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074730102] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:31:03,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:31:03,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-09 06:31:03,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424573491] [2025-03-09 06:31:03,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:31:03,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:31:03,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:31:03,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:31:03,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:31:03,842 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-03-09 06:31:03,842 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 748 transitions, 16505 flow. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 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 06:31:03,842 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:31:03,842 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-03-09 06:31:03,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:31:11,575 INFO L124 PetriNetUnfolderBase]: 16703/31052 cut-off events. [2025-03-09 06:31:11,575 INFO L125 PetriNetUnfolderBase]: For 986108/986118 co-relation queries the response was YES. [2025-03-09 06:31:12,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 222103 conditions, 31052 events. 16703/31052 cut-off events. For 986108/986118 co-relation queries the response was YES. Maximal size of possible extension queue 2077. Compared 293181 event pairs, 7247 based on Foata normal form. 95/31147 useless extension candidates. Maximal degree in co-relation 221986. Up to 18858 conditions per place.