./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 18:46:48,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 18:46:48,507 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 18:46:48,515 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 18:46:48,515 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 18:46:48,530 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 18:46:48,530 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 18:46:48,530 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 18:46:48,531 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 18:46:48,531 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 18:46:48,531 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 18:46:48,531 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 18:46:48,531 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 18:46:48,531 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 18:46:48,531 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 18:46:48,531 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 18:46:48,531 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 18:46:48,531 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 18:46:48,531 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 18:46:48,531 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 18:46:48,532 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 18:46:48,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 18:46:48,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 18:46:48,532 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 18:46:48,532 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 18:46:48,532 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 18:46:48,532 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 18:46:48,532 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 18:46:48,532 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 18:46:48,532 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 18:46:48,532 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 18:46:48,532 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 18:46:48,532 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 18:46:48,532 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 18:46:48,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 18:46:48,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 18:46:48,532 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 18:46:48,532 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 18:46:48,532 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 18:46:48,533 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 18:46:48,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 18:46:48,533 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 18:46:48,533 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 18:46:48,533 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 18:46:48,533 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 18:46:48,533 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-jdk21/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 -> ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 [2025-02-06 18:46:48,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 18:46:48,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 18:46:48,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 18:46:48,817 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 18:46:48,817 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 18:46:48,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2025-02-06 18:46:49,992 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fbe16716e/b290c906fd1e43e1bdb4da193f476e83/FLAGa3f5f67ad [2025-02-06 18:46:50,345 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 18:46:50,346 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2025-02-06 18:46:50,358 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fbe16716e/b290c906fd1e43e1bdb4da193f476e83/FLAGa3f5f67ad [2025-02-06 18:46:50,609 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fbe16716e/b290c906fd1e43e1bdb4da193f476e83 [2025-02-06 18:46:50,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 18:46:50,615 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 18:46:50,620 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 18:46:50,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 18:46:50,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 18:46:50,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:46:50" (1/1) ... [2025-02-06 18:46:50,635 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b76ac3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:46:50, skipping insertion in model container [2025-02-06 18:46:50,636 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:46:50" (1/1) ... [2025-02-06 18:46:50,701 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 18:46:51,017 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-06 18:46:51,017 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-06 18:46:51,017 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-06 18:46:51,018 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-06 18:46:51,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 18:46:51,070 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 18:46:51,111 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-06 18:46:51,113 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-06 18:46:51,113 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-06 18:46:51,114 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-06 18:46:51,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 18:46:51,169 INFO L204 MainTranslator]: Completed translation [2025-02-06 18:46:51,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:46:51 WrapperNode [2025-02-06 18:46:51,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 18:46:51,171 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 18:46:51,171 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 18:46:51,171 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 18:46:51,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:46:51" (1/1) ... [2025-02-06 18:46:51,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:46:51" (1/1) ... [2025-02-06 18:46:51,208 INFO L138 Inliner]: procedures = 279, calls = 120, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 258 [2025-02-06 18:46:51,212 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 18:46:51,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 18:46:51,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 18:46:51,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 18:46:51,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:46:51" (1/1) ... [2025-02-06 18:46:51,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:46:51" (1/1) ... [2025-02-06 18:46:51,225 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:46:51" (1/1) ... [2025-02-06 18:46:51,237 INFO L175 MemorySlicer]: Split 96 memory accesses to 4 slices as follows [2, 2, 5, 87]. 91 percent of accesses are in the largest equivalence class. The 77 initializations are split as follows [2, 0, 5, 70]. The 12 writes are split as follows [0, 1, 0, 11]. [2025-02-06 18:46:51,237 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:46:51" (1/1) ... [2025-02-06 18:46:51,238 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:46:51" (1/1) ... [2025-02-06 18:46:51,245 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:46:51" (1/1) ... [2025-02-06 18:46:51,245 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:46:51" (1/1) ... [2025-02-06 18:46:51,246 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:46:51" (1/1) ... [2025-02-06 18:46:51,247 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:46:51" (1/1) ... [2025-02-06 18:46:51,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 18:46:51,250 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 18:46:51,250 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 18:46:51,250 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 18:46:51,250 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:46:51" (1/1) ... [2025-02-06 18:46:51,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 18:46:51,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:46:51,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 18:46:51,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 18:46:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 18:46:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 18:46:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 18:46:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 18:46:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 18:46:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 18:46:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 18:46:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 18:46:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 18:46:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 18:46:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-06 18:46:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 18:46:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 18:46:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 18:46:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 18:46:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 18:46:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 18:46:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 18:46:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 18:46:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-06 18:46:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 18:46:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 18:46:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 18:46:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 18:46:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 18:46:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 18:46:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-02-06 18:46:51,312 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-02-06 18:46:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 18:46:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 18:46:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 18:46:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 18:46:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 18:46:51,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 18:46:51,313 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-06 18:46:51,453 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 18:46:51,455 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 18:46:51,687 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1061: havoc main_~#t_ids~0#1.base, main_~#t_ids~0#1.offset; [2025-02-06 18:46:51,687 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1061-1: SUMMARY for call ULTIMATE.dealloc(main_~#t_ids~0#1.base, main_~#t_ids~0#1.offset); srcloc: null [2025-02-06 18:46:51,773 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 18:46:51,773 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 18:46:52,130 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 18:46:52,133 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 18:46:52,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:46:52 BoogieIcfgContainer [2025-02-06 18:46:52,134 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 18:46:52,135 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 18:46:52,137 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 18:46:52,140 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 18:46:52,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 06:46:50" (1/3) ... [2025-02-06 18:46:52,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22cbd13f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:46:52, skipping insertion in model container [2025-02-06 18:46:52,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:46:51" (2/3) ... [2025-02-06 18:46:52,143 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22cbd13f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:46:52, skipping insertion in model container [2025-02-06 18:46:52,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:46:52" (3/3) ... [2025-02-06 18:46:52,144 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_91-arrayloop2_racefree.i [2025-02-06 18:46:52,155 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 18:46:52,157 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_91-arrayloop2_racefree.i that has 2 procedures, 74 locations, 1 initial locations, 11 loop locations, and 16 error locations. [2025-02-06 18:46:52,157 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 18:46:52,212 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-02-06 18:46:52,242 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 77 places, 90 transitions, 187 flow [2025-02-06 18:46:52,276 INFO L124 PetriNetUnfolderBase]: 16/94 cut-off events. [2025-02-06 18:46:52,278 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-06 18:46:52,281 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 94 events. 16/94 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 280 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 65. Up to 4 conditions per place. [2025-02-06 18:46:52,282 INFO L82 GeneralOperation]: Start removeDead. Operand has 77 places, 90 transitions, 187 flow [2025-02-06 18:46:52,289 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 89 transitions, 185 flow [2025-02-06 18:46:52,295 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 18:46:52,310 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;@725ca1b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 18:46:52,310 INFO L334 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2025-02-06 18:46:52,320 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 18:46:52,321 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events. [2025-02-06 18:46:52,321 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 18:46:52,321 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 18:46:52,322 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-02-06 18:46:52,322 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2025-02-06 18:46:52,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:46:52,327 INFO L85 PathProgramCache]: Analyzing trace with hash 19841843, now seen corresponding path program 1 times [2025-02-06 18:46:52,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:46:52,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586064283] [2025-02-06 18:46:52,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:46:52,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:46:52,420 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 18:46:52,475 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 18:46:52,477 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:46:52,477 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 18:46:52,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1426203446] [2025-02-06 18:46:52,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:46:52,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:46:52,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:46:52,491 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:46:52,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 18:46:52,574 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 18:46:52,615 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 18:46:52,615 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:46:52,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:46:52,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 18:46:52,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:46:52,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:46:52,641 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:46:52,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:46:52,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586064283] [2025-02-06 18:46:52,642 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 18:46:52,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426203446] [2025-02-06 18:46:52,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426203446] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:46:52,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:46:52,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-06 18:46:52,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489809349] [2025-02-06 18:46:52,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:46:52,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:46:52,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:46:52,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:46:52,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:46:52,675 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 90 [2025-02-06 18:46:52,681 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 89 transitions, 185 flow. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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) [2025-02-06 18:46:52,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 18:46:52,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 90 [2025-02-06 18:46:52,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 18:46:52,883 INFO L124 PetriNetUnfolderBase]: 121/426 cut-off events. [2025-02-06 18:46:52,883 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-06 18:46:52,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 689 conditions, 426 events. 121/426 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1990 event pairs, 100 based on Foata normal form. 55/397 useless extension candidates. Maximal degree in co-relation 622. Up to 253 conditions per place. [2025-02-06 18:46:52,887 INFO L140 encePairwiseOnDemand]: 75/90 looper letters, 41 selfloop transitions, 2 changer transitions 0/84 dead transitions. [2025-02-06 18:46:52,887 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 84 transitions, 261 flow [2025-02-06 18:46:52,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:46:52,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 18:46:52,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 179 transitions. [2025-02-06 18:46:52,903 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.662962962962963 [2025-02-06 18:46:52,904 INFO L175 Difference]: Start difference. First operand has 77 places, 89 transitions, 185 flow. Second operand 3 states and 179 transitions. [2025-02-06 18:46:52,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 84 transitions, 261 flow [2025-02-06 18:46:52,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 84 transitions, 261 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 18:46:52,915 INFO L231 Difference]: Finished difference. Result has 80 places, 80 transitions, 181 flow [2025-02-06 18:46:52,917 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=165, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=181, PETRI_PLACES=80, PETRI_TRANSITIONS=80} [2025-02-06 18:46:52,919 INFO L279 CegarLoopForPetriNet]: 77 programPoint places, 3 predicate places. [2025-02-06 18:46:52,919 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 80 transitions, 181 flow [2025-02-06 18:46:52,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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) [2025-02-06 18:46:52,919 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 18:46:52,919 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-02-06 18:46:52,926 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 18:46:53,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 18:46:53,123 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2025-02-06 18:46:53,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:46:53,124 INFO L85 PathProgramCache]: Analyzing trace with hash 19841870, now seen corresponding path program 1 times [2025-02-06 18:46:53,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:46:53,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466018206] [2025-02-06 18:46:53,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:46:53,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:46:53,157 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 18:46:53,170 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 18:46:53,170 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:46:53,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:46:53,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:46:53,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:46:53,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466018206] [2025-02-06 18:46:53,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466018206] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:46:53,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:46:53,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:46:53,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554049133] [2025-02-06 18:46:53,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:46:53,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:46:53,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:46:53,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:46:53,262 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:46:53,269 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 90 [2025-02-06 18:46:53,269 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 80 transitions, 181 flow. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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) [2025-02-06 18:46:53,269 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 18:46:53,269 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 90 [2025-02-06 18:46:53,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 18:46:53,410 INFO L124 PetriNetUnfolderBase]: 121/440 cut-off events. [2025-02-06 18:46:53,410 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-02-06 18:46:53,411 INFO L83 FinitePrefix]: Finished finitePrefix Result has 716 conditions, 440 events. 121/440 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2068 event pairs, 100 based on Foata normal form. 4/360 useless extension candidates. Maximal degree in co-relation 679. Up to 258 conditions per place. [2025-02-06 18:46:53,413 INFO L140 encePairwiseOnDemand]: 85/90 looper letters, 39 selfloop transitions, 2 changer transitions 0/82 dead transitions. [2025-02-06 18:46:53,413 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 82 transitions, 267 flow [2025-02-06 18:46:53,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:46:53,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 18:46:53,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 166 transitions. [2025-02-06 18:46:53,414 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6148148148148148 [2025-02-06 18:46:53,414 INFO L175 Difference]: Start difference. First operand has 80 places, 80 transitions, 181 flow. Second operand 3 states and 166 transitions. [2025-02-06 18:46:53,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 82 transitions, 267 flow [2025-02-06 18:46:53,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 82 transitions, 265 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 18:46:53,416 INFO L231 Difference]: Finished difference. Result has 82 places, 81 transitions, 195 flow [2025-02-06 18:46:53,416 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=195, PETRI_PLACES=82, PETRI_TRANSITIONS=81} [2025-02-06 18:46:53,417 INFO L279 CegarLoopForPetriNet]: 77 programPoint places, 5 predicate places. [2025-02-06 18:46:53,417 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 81 transitions, 195 flow [2025-02-06 18:46:53,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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) [2025-02-06 18:46:53,417 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 18:46:53,417 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-06 18:46:53,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 18:46:53,417 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2025-02-06 18:46:53,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:46:53,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1888159653, now seen corresponding path program 1 times [2025-02-06 18:46:53,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:46:53,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403088301] [2025-02-06 18:46:53,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:46:53,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:46:53,438 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 18:46:53,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 18:46:53,459 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:46:53,459 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:46:53,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:46:53,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:46:53,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403088301] [2025-02-06 18:46:53,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403088301] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:46:53,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:46:53,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:46:53,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422072596] [2025-02-06 18:46:53,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:46:53,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:46:53,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:46:53,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:46:53,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:46:53,568 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 39 out of 90 [2025-02-06 18:46:53,568 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 81 transitions, 195 flow. Second operand has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 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) [2025-02-06 18:46:53,568 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 18:46:53,568 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 39 of 90 [2025-02-06 18:46:53,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 18:46:53,826 INFO L124 PetriNetUnfolderBase]: 121/436 cut-off events. [2025-02-06 18:46:53,826 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2025-02-06 18:46:53,827 INFO L83 FinitePrefix]: Finished finitePrefix Result has 728 conditions, 436 events. 121/436 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2050 event pairs, 100 based on Foata normal form. 4/360 useless extension candidates. Maximal degree in co-relation 666. Up to 262 conditions per place. [2025-02-06 18:46:53,828 INFO L140 encePairwiseOnDemand]: 85/90 looper letters, 40 selfloop transitions, 3 changer transitions 0/82 dead transitions. [2025-02-06 18:46:53,828 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 82 transitions, 283 flow [2025-02-06 18:46:53,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:46:53,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-06 18:46:53,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 200 transitions. [2025-02-06 18:46:53,829 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5555555555555556 [2025-02-06 18:46:53,830 INFO L175 Difference]: Start difference. First operand has 82 places, 81 transitions, 195 flow. Second operand 4 states and 200 transitions. [2025-02-06 18:46:53,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 82 transitions, 283 flow [2025-02-06 18:46:53,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 82 transitions, 281 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 18:46:53,831 INFO L231 Difference]: Finished difference. Result has 86 places, 82 transitions, 211 flow [2025-02-06 18:46:53,832 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=193, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=211, PETRI_PLACES=86, PETRI_TRANSITIONS=82} [2025-02-06 18:46:53,832 INFO L279 CegarLoopForPetriNet]: 77 programPoint places, 9 predicate places. [2025-02-06 18:46:53,832 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 82 transitions, 211 flow [2025-02-06 18:46:53,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 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) [2025-02-06 18:46:53,832 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 18:46:53,832 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:46:53,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 18:46:53,833 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2025-02-06 18:46:53,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:46:53,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1021869759, now seen corresponding path program 1 times [2025-02-06 18:46:53,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:46:53,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531087169] [2025-02-06 18:46:53,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:46:53,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:46:53,852 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-06 18:46:53,861 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-06 18:46:53,861 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:46:53,861 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:46:53,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 18:46:53,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:46:53,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531087169] [2025-02-06 18:46:53,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531087169] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:46:53,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:46:53,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 18:46:53,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108510852] [2025-02-06 18:46:53,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:46:53,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:46:53,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:46:53,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:46:53,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:46:53,945 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 39 out of 90 [2025-02-06 18:46:53,945 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 82 transitions, 211 flow. Second operand has 4 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 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) [2025-02-06 18:46:53,945 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 18:46:53,945 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 39 of 90 [2025-02-06 18:46:53,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 18:46:54,161 INFO L124 PetriNetUnfolderBase]: 121/434 cut-off events. [2025-02-06 18:46:54,161 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2025-02-06 18:46:54,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 740 conditions, 434 events. 121/434 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2037 event pairs, 100 based on Foata normal form. 2/358 useless extension candidates. Maximal degree in co-relation 667. Up to 257 conditions per place. [2025-02-06 18:46:54,163 INFO L140 encePairwiseOnDemand]: 85/90 looper letters, 46 selfloop transitions, 3 changer transitions 0/88 dead transitions. [2025-02-06 18:46:54,163 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 88 transitions, 341 flow [2025-02-06 18:46:54,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:46:54,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-06 18:46:54,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 203 transitions. [2025-02-06 18:46:54,165 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5638888888888889 [2025-02-06 18:46:54,165 INFO L175 Difference]: Start difference. First operand has 86 places, 82 transitions, 211 flow. Second operand 4 states and 203 transitions. [2025-02-06 18:46:54,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 88 transitions, 341 flow [2025-02-06 18:46:54,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 88 transitions, 333 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 18:46:54,167 INFO L231 Difference]: Finished difference. Result has 89 places, 83 transitions, 227 flow [2025-02-06 18:46:54,167 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=207, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=227, PETRI_PLACES=89, PETRI_TRANSITIONS=83} [2025-02-06 18:46:54,167 INFO L279 CegarLoopForPetriNet]: 77 programPoint places, 12 predicate places. [2025-02-06 18:46:54,168 INFO L471 AbstractCegarLoop]: Abstraction has has 89 places, 83 transitions, 227 flow [2025-02-06 18:46:54,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 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) [2025-02-06 18:46:54,168 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 18:46:54,168 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2025-02-06 18:46:54,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 18:46:54,168 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2025-02-06 18:46:54,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:46:54,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1530664152, now seen corresponding path program 1 times [2025-02-06 18:46:54,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:46:54,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315131101] [2025-02-06 18:46:54,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:46:54,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:46:54,198 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-06 18:46:54,215 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-06 18:46:54,215 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:46:54,215 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:46:54,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:46:54,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:46:54,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315131101] [2025-02-06 18:46:54,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315131101] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:46:54,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954668119] [2025-02-06 18:46:54,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:46:54,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:46:54,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:46:54,386 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:46:54,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 18:46:54,494 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-06 18:46:54,545 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-06 18:46:54,546 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:46:54,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:46:54,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 18:46:54,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:46:54,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:46:54,592 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:46:54,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954668119] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:46:54,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:46:54,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2025-02-06 18:46:54,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906883397] [2025-02-06 18:46:54,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:46:54,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 18:46:54,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:46:54,593 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 18:46:54,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-02-06 18:46:54,608 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 90 [2025-02-06 18:46:54,609 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 83 transitions, 227 flow. Second operand has 5 states, 5 states have (on average 41.4) internal successors, (207), 5 states have internal predecessors, (207), 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) [2025-02-06 18:46:54,609 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 18:46:54,609 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 90 [2025-02-06 18:46:54,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 18:46:54,788 INFO L124 PetriNetUnfolderBase]: 121/432 cut-off events. [2025-02-06 18:46:54,789 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2025-02-06 18:46:54,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 744 conditions, 432 events. 121/432 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2027 event pairs, 100 based on Foata normal form. 2/356 useless extension candidates. Maximal degree in co-relation 691. Up to 250 conditions per place. [2025-02-06 18:46:54,792 INFO L140 encePairwiseOnDemand]: 85/90 looper letters, 35 selfloop transitions, 7 changer transitions 0/82 dead transitions. [2025-02-06 18:46:54,793 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 82 transitions, 307 flow [2025-02-06 18:46:54,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:46:54,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-06 18:46:54,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 199 transitions. [2025-02-06 18:46:54,795 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5527777777777778 [2025-02-06 18:46:54,795 INFO L175 Difference]: Start difference. First operand has 89 places, 83 transitions, 227 flow. Second operand 4 states and 199 transitions. [2025-02-06 18:46:54,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 82 transitions, 307 flow [2025-02-06 18:46:54,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 82 transitions, 303 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 18:46:54,799 INFO L231 Difference]: Finished difference. Result has 89 places, 82 transitions, 233 flow [2025-02-06 18:46:54,799 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=219, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=233, PETRI_PLACES=89, PETRI_TRANSITIONS=82} [2025-02-06 18:46:54,799 INFO L279 CegarLoopForPetriNet]: 77 programPoint places, 12 predicate places. [2025-02-06 18:46:54,800 INFO L471 AbstractCegarLoop]: Abstraction has has 89 places, 82 transitions, 233 flow [2025-02-06 18:46:54,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.4) internal successors, (207), 5 states have internal predecessors, (207), 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) [2025-02-06 18:46:54,800 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 18:46:54,800 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1] [2025-02-06 18:46:54,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-06 18:46:55,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:46:55,001 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2025-02-06 18:46:55,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:46:55,001 INFO L85 PathProgramCache]: Analyzing trace with hash 205949042, now seen corresponding path program 1 times [2025-02-06 18:46:55,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:46:55,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301131733] [2025-02-06 18:46:55,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:46:55,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:46:55,045 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 18:46:55,056 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 18:46:55,056 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:46:55,056 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:46:55,113 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 18:46:55,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:46:55,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301131733] [2025-02-06 18:46:55,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301131733] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:46:55,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:46:55,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:46:55,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048942884] [2025-02-06 18:46:55,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:46:55,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:46:55,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:46:55,114 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:46:55,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:46:55,127 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 90 [2025-02-06 18:46:55,127 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 82 transitions, 233 flow. Second operand has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 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) [2025-02-06 18:46:55,128 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 18:46:55,128 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 90 [2025-02-06 18:46:55,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 18:46:55,278 INFO L124 PetriNetUnfolderBase]: 121/430 cut-off events. [2025-02-06 18:46:55,278 INFO L125 PetriNetUnfolderBase]: For 44/44 co-relation queries the response was YES. [2025-02-06 18:46:55,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 748 conditions, 430 events. 121/430 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2006 event pairs, 100 based on Foata normal form. 2/354 useless extension candidates. Maximal degree in co-relation 690. Up to 254 conditions per place. [2025-02-06 18:46:55,280 INFO L140 encePairwiseOnDemand]: 85/90 looper letters, 36 selfloop transitions, 6 changer transitions 0/82 dead transitions. [2025-02-06 18:46:55,280 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 82 transitions, 315 flow [2025-02-06 18:46:55,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:46:55,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-06 18:46:55,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 199 transitions. [2025-02-06 18:46:55,281 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5527777777777778 [2025-02-06 18:46:55,281 INFO L175 Difference]: Start difference. First operand has 89 places, 82 transitions, 233 flow. Second operand 4 states and 199 transitions. [2025-02-06 18:46:55,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 82 transitions, 315 flow [2025-02-06 18:46:55,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 82 transitions, 299 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-02-06 18:46:55,283 INFO L231 Difference]: Finished difference. Result has 88 places, 82 transitions, 233 flow [2025-02-06 18:46:55,283 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=233, PETRI_PLACES=88, PETRI_TRANSITIONS=82} [2025-02-06 18:46:55,284 INFO L279 CegarLoopForPetriNet]: 77 programPoint places, 11 predicate places. [2025-02-06 18:46:55,284 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 82 transitions, 233 flow [2025-02-06 18:46:55,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 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) [2025-02-06 18:46:55,284 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 18:46:55,284 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:46:55,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 18:46:55,284 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2025-02-06 18:46:55,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:46:55,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1722229479, now seen corresponding path program 1 times [2025-02-06 18:46:55,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:46:55,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729534608] [2025-02-06 18:46:55,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:46:55,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:46:55,305 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 18:46:55,311 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 18:46:55,311 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:46:55,311 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:46:55,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:46:55,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:46:55,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729534608] [2025-02-06 18:46:55,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729534608] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:46:55,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759327297] [2025-02-06 18:46:55,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:46:55,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:46:55,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:46:55,390 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:46:55,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 18:46:55,515 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 18:46:55,559 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 18:46:55,559 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:46:55,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:46:55,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 18:46:55,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:46:55,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:46:55,584 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:46:55,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:46:55,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759327297] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:46:55,615 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:46:55,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-02-06 18:46:55,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917793148] [2025-02-06 18:46:55,615 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:46:55,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 18:46:55,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:46:55,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 18:46:55,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-02-06 18:46:55,642 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 38 out of 90 [2025-02-06 18:46:55,643 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 82 transitions, 233 flow. Second operand has 10 states, 10 states have (on average 39.9) internal successors, (399), 10 states have internal predecessors, (399), 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) [2025-02-06 18:46:55,643 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 18:46:55,643 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 38 of 90 [2025-02-06 18:46:55,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 18:46:56,178 INFO L124 PetriNetUnfolderBase]: 121/444 cut-off events. [2025-02-06 18:46:56,179 INFO L125 PetriNetUnfolderBase]: For 74/74 co-relation queries the response was YES. [2025-02-06 18:46:56,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 797 conditions, 444 events. 121/444 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2084 event pairs, 100 based on Foata normal form. 4/370 useless extension candidates. Maximal degree in co-relation 720. Up to 252 conditions per place. [2025-02-06 18:46:56,181 INFO L140 encePairwiseOnDemand]: 85/90 looper letters, 43 selfloop transitions, 7 changer transitions 0/88 dead transitions. [2025-02-06 18:46:56,181 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 88 transitions, 368 flow [2025-02-06 18:46:56,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 18:46:56,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-02-06 18:46:56,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 316 transitions. [2025-02-06 18:46:56,182 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5015873015873016 [2025-02-06 18:46:56,184 INFO L175 Difference]: Start difference. First operand has 88 places, 82 transitions, 233 flow. Second operand 7 states and 316 transitions. [2025-02-06 18:46:56,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 88 transitions, 368 flow [2025-02-06 18:46:56,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 88 transitions, 355 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 18:46:56,186 INFO L231 Difference]: Finished difference. Result has 95 places, 85 transitions, 273 flow [2025-02-06 18:46:56,186 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=273, PETRI_PLACES=95, PETRI_TRANSITIONS=85} [2025-02-06 18:46:56,186 INFO L279 CegarLoopForPetriNet]: 77 programPoint places, 18 predicate places. [2025-02-06 18:46:56,186 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 85 transitions, 273 flow [2025-02-06 18:46:56,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 39.9) internal successors, (399), 10 states have internal predecessors, (399), 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) [2025-02-06 18:46:56,188 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 18:46:56,188 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:46:56,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-06 18:46:56,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:46:56,389 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2025-02-06 18:46:56,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:46:56,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1149417223, now seen corresponding path program 2 times [2025-02-06 18:46:56,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:46:56,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772923475] [2025-02-06 18:46:56,390 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:46:56,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:46:56,429 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 25 statements into 2 equivalence classes. [2025-02-06 18:46:56,432 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 25 statements. [2025-02-06 18:46:56,433 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 18:46:56,433 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:46:56,460 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-02-06 18:46:56,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:46:56,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772923475] [2025-02-06 18:46:56,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772923475] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:46:56,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:46:56,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:46:56,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739946189] [2025-02-06 18:46:56,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:46:56,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:46:56,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:46:56,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:46:56,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:46:56,467 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 90 [2025-02-06 18:46:56,467 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 85 transitions, 273 flow. Second operand has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 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) [2025-02-06 18:46:56,467 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 18:46:56,467 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 90 [2025-02-06 18:46:56,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 18:46:56,776 INFO L124 PetriNetUnfolderBase]: 138/401 cut-off events. [2025-02-06 18:46:56,776 INFO L125 PetriNetUnfolderBase]: For 101/101 co-relation queries the response was YES. [2025-02-06 18:46:56,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 803 conditions, 401 events. 138/401 cut-off events. For 101/101 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1933 event pairs, 0 based on Foata normal form. 21/368 useless extension candidates. Maximal degree in co-relation 718. Up to 236 conditions per place. [2025-02-06 18:46:56,778 INFO L140 encePairwiseOnDemand]: 84/90 looper letters, 85 selfloop transitions, 3 changer transitions 0/128 dead transitions. [2025-02-06 18:46:56,778 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 128 transitions, 535 flow [2025-02-06 18:46:56,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:46:56,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-06 18:46:56,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 245 transitions. [2025-02-06 18:46:56,779 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6805555555555556 [2025-02-06 18:46:56,779 INFO L175 Difference]: Start difference. First operand has 95 places, 85 transitions, 273 flow. Second operand 4 states and 245 transitions. [2025-02-06 18:46:56,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 128 transitions, 535 flow [2025-02-06 18:46:56,781 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 128 transitions, 527 flow, removed 2 selfloop flow, removed 2 redundant places. [2025-02-06 18:46:56,783 INFO L231 Difference]: Finished difference. Result has 95 places, 83 transitions, 271 flow [2025-02-06 18:46:56,783 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=261, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=271, PETRI_PLACES=95, PETRI_TRANSITIONS=83} [2025-02-06 18:46:56,783 INFO L279 CegarLoopForPetriNet]: 77 programPoint places, 18 predicate places. [2025-02-06 18:46:56,783 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 83 transitions, 271 flow [2025-02-06 18:46:56,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 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) [2025-02-06 18:46:56,784 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 18:46:56,784 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1] [2025-02-06 18:46:56,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 18:46:56,784 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2025-02-06 18:46:56,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:46:56,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1723039563, now seen corresponding path program 1 times [2025-02-06 18:46:56,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:46:56,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477819698] [2025-02-06 18:46:56,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:46:56,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:46:56,825 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 18:46:56,842 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 18:46:56,843 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:46:56,843 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:46:57,040 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 18:46:57,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:46:57,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477819698] [2025-02-06 18:46:57,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477819698] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:46:57,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360283324] [2025-02-06 18:46:57,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:46:57,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:46:57,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:46:57,042 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:46:57,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 18:46:57,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 18:46:57,231 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 18:46:57,231 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:46:57,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:46:57,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 18:46:57,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:46:57,283 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 18:46:57,284 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:46:57,367 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 18:46:57,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360283324] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:46:57,367 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:46:57,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2025-02-06 18:46:57,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917238837] [2025-02-06 18:46:57,367 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:46:57,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-06 18:46:57,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:46:57,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-06 18:46:57,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-02-06 18:46:57,422 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 38 out of 90 [2025-02-06 18:46:57,423 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 83 transitions, 271 flow. Second operand has 18 states, 18 states have (on average 39.833333333333336) internal successors, (717), 18 states have internal predecessors, (717), 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) [2025-02-06 18:46:57,423 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 18:46:57,423 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 38 of 90 [2025-02-06 18:46:57,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 18:46:58,324 INFO L124 PetriNetUnfolderBase]: 121/480 cut-off events. [2025-02-06 18:46:58,324 INFO L125 PetriNetUnfolderBase]: For 259/259 co-relation queries the response was YES. [2025-02-06 18:46:58,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1010 conditions, 480 events. 121/480 cut-off events. For 259/259 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2186 event pairs, 100 based on Foata normal form. 8/433 useless extension candidates. Maximal degree in co-relation 855. Up to 249 conditions per place. [2025-02-06 18:46:58,326 INFO L140 encePairwiseOnDemand]: 85/90 looper letters, 55 selfloop transitions, 15 changer transitions 0/106 dead transitions. [2025-02-06 18:46:58,326 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 106 transitions, 573 flow [2025-02-06 18:46:58,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-06 18:46:58,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-02-06 18:46:58,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 642 transitions. [2025-02-06 18:46:58,332 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.47555555555555556 [2025-02-06 18:46:58,332 INFO L175 Difference]: Start difference. First operand has 95 places, 83 transitions, 271 flow. Second operand 15 states and 642 transitions. [2025-02-06 18:46:58,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 106 transitions, 573 flow [2025-02-06 18:46:58,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 106 transitions, 567 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-02-06 18:46:58,339 INFO L231 Difference]: Finished difference. Result has 111 places, 92 transitions, 399 flow [2025-02-06 18:46:58,339 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=399, PETRI_PLACES=111, PETRI_TRANSITIONS=92} [2025-02-06 18:46:58,340 INFO L279 CegarLoopForPetriNet]: 77 programPoint places, 34 predicate places. [2025-02-06 18:46:58,340 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 92 transitions, 399 flow [2025-02-06 18:46:58,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 39.833333333333336) internal successors, (717), 18 states have internal predecessors, (717), 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) [2025-02-06 18:46:58,340 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 18:46:58,340 INFO L206 CegarLoopForPetriNet]: trace histogram [9, 8, 8, 8, 8, 2, 1, 1, 1, 1, 1] [2025-02-06 18:46:58,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-06 18:46:58,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2025-02-06 18:46:58,543 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2025-02-06 18:46:58,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:46:58,547 INFO L85 PathProgramCache]: Analyzing trace with hash -299210635, now seen corresponding path program 2 times [2025-02-06 18:46:58,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:46:58,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64755928] [2025-02-06 18:46:58,548 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:46:58,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:46:58,620 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 48 statements into 2 equivalence classes. [2025-02-06 18:46:58,682 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 48 of 48 statements. [2025-02-06 18:46:58,682 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 18:46:58,682 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:46:59,165 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 52 proven. 112 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 18:46:59,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:46:59,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64755928] [2025-02-06 18:46:59,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64755928] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:46:59,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307326801] [2025-02-06 18:46:59,165 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:46:59,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:46:59,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:46:59,172 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:46:59,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-06 18:46:59,387 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 48 statements into 2 equivalence classes. [2025-02-06 18:46:59,502 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 48 of 48 statements. [2025-02-06 18:46:59,502 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 18:46:59,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:46:59,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-06 18:46:59,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:46:59,564 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 52 proven. 112 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 18:46:59,564 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:46:59,837 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 52 proven. 112 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 18:46:59,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [307326801] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:46:59,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:46:59,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2025-02-06 18:46:59,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212427584] [2025-02-06 18:46:59,838 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:46:59,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-02-06 18:46:59,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:46:59,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-02-06 18:46:59,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2025-02-06 18:46:59,938 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 38 out of 90 [2025-02-06 18:46:59,940 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 92 transitions, 399 flow. Second operand has 34 states, 34 states have (on average 39.6764705882353) internal successors, (1349), 34 states have internal predecessors, (1349), 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) [2025-02-06 18:46:59,940 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 18:46:59,940 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 38 of 90 [2025-02-06 18:46:59,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 18:47:01,772 INFO L124 PetriNetUnfolderBase]: 121/574 cut-off events. [2025-02-06 18:47:01,772 INFO L125 PetriNetUnfolderBase]: For 1078/1078 co-relation queries the response was YES. [2025-02-06 18:47:01,773 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1465 conditions, 574 events. 121/574 cut-off events. For 1078/1078 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2225 event pairs, 100 based on Foata normal form. 16/537 useless extension candidates. Maximal degree in co-relation 1100. Up to 249 conditions per place. [2025-02-06 18:47:01,775 INFO L140 encePairwiseOnDemand]: 85/90 looper letters, 79 selfloop transitions, 31 changer transitions 0/146 dead transitions. [2025-02-06 18:47:01,775 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 146 transitions, 1083 flow [2025-02-06 18:47:01,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-02-06 18:47:01,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2025-02-06 18:47:01,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 1294 transitions. [2025-02-06 18:47:01,778 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4637992831541219 [2025-02-06 18:47:01,779 INFO L175 Difference]: Start difference. First operand has 111 places, 92 transitions, 399 flow. Second operand 31 states and 1294 transitions. [2025-02-06 18:47:01,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 146 transitions, 1083 flow [2025-02-06 18:47:01,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 146 transitions, 1013 flow, removed 30 selfloop flow, removed 5 redundant places. [2025-02-06 18:47:01,785 INFO L231 Difference]: Finished difference. Result has 145 places, 109 transitions, 635 flow [2025-02-06 18:47:01,785 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=361, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=635, PETRI_PLACES=145, PETRI_TRANSITIONS=109} [2025-02-06 18:47:01,786 INFO L279 CegarLoopForPetriNet]: 77 programPoint places, 68 predicate places. [2025-02-06 18:47:01,786 INFO L471 AbstractCegarLoop]: Abstraction has has 145 places, 109 transitions, 635 flow [2025-02-06 18:47:01,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 39.6764705882353) internal successors, (1349), 34 states have internal predecessors, (1349), 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) [2025-02-06 18:47:01,786 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 18:47:01,786 INFO L206 CegarLoopForPetriNet]: trace histogram [17, 16, 16, 16, 16, 2, 1, 1, 1, 1, 1] [2025-02-06 18:47:01,794 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-06 18:47:01,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-02-06 18:47:01,987 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2025-02-06 18:47:01,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:47:01,987 INFO L85 PathProgramCache]: Analyzing trace with hash 496113653, now seen corresponding path program 3 times [2025-02-06 18:47:01,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:47:01,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873811226] [2025-02-06 18:47:01,987 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 18:47:01,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:47:02,133 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 88 statements into 17 equivalence classes. [2025-02-06 18:47:06,696 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 18:47:06,696 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2025-02-06 18:47:06,696 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:47:08,258 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 108 proven. 540 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 18:47:08,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:47:08,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873811226] [2025-02-06 18:47:08,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873811226] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:47:08,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001014779] [2025-02-06 18:47:08,259 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 18:47:08,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:47:08,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:47:08,261 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:47:08,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-06 18:47:08,555 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 88 statements into 17 equivalence classes. [2025-02-06 18:47:08,600 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 13 of 88 statements. [2025-02-06 18:47:08,600 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-02-06 18:47:08,600 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:47:08,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 18:47:08,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:47:08,839 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2025-02-06 18:47:08,840 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:47:08,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001014779] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:47:08,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:47:08,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [34] total 41 [2025-02-06 18:47:08,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131093782] [2025-02-06 18:47:08,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:47:08,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 18:47:08,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:47:08,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 18:47:08,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=1354, Unknown=0, NotChecked=0, Total=1640 [2025-02-06 18:47:08,868 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 90 [2025-02-06 18:47:08,869 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 109 transitions, 635 flow. Second operand has 9 states, 9 states have (on average 37.44444444444444) internal successors, (337), 9 states have internal predecessors, (337), 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) [2025-02-06 18:47:08,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 18:47:08,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 90 [2025-02-06 18:47:08,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 18:47:09,983 INFO L124 PetriNetUnfolderBase]: 121/559 cut-off events. [2025-02-06 18:47:09,984 INFO L125 PetriNetUnfolderBase]: For 1190/1190 co-relation queries the response was YES. [2025-02-06 18:47:09,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1462 conditions, 559 events. 121/559 cut-off events. For 1190/1190 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2151 event pairs, 100 based on Foata normal form. 15/521 useless extension candidates. Maximal degree in co-relation 1067. Up to 242 conditions per place. [2025-02-06 18:47:09,986 INFO L140 encePairwiseOnDemand]: 80/90 looper letters, 68 selfloop transitions, 41 changer transitions 0/143 dead transitions. [2025-02-06 18:47:09,987 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 143 transitions, 1233 flow [2025-02-06 18:47:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 18:47:09,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-02-06 18:47:09,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 446 transitions. [2025-02-06 18:47:09,988 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4505050505050505 [2025-02-06 18:47:09,988 INFO L175 Difference]: Start difference. First operand has 145 places, 109 transitions, 635 flow. Second operand 11 states and 446 transitions. [2025-02-06 18:47:09,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 143 transitions, 1233 flow [2025-02-06 18:47:09,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 143 transitions, 1149 flow, removed 18 selfloop flow, removed 12 redundant places. [2025-02-06 18:47:09,995 INFO L231 Difference]: Finished difference. Result has 147 places, 142 transitions, 1153 flow [2025-02-06 18:47:09,995 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=583, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1153, PETRI_PLACES=147, PETRI_TRANSITIONS=142} [2025-02-06 18:47:09,995 INFO L279 CegarLoopForPetriNet]: 77 programPoint places, 70 predicate places. [2025-02-06 18:47:09,996 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 142 transitions, 1153 flow [2025-02-06 18:47:09,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 37.44444444444444) internal successors, (337), 9 states have internal predecessors, (337), 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) [2025-02-06 18:47:09,996 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 18:47:09,996 INFO L206 CegarLoopForPetriNet]: trace histogram [15, 15, 15, 15, 15, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:47:10,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-06 18:47:10,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-02-06 18:47:10,196 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2025-02-06 18:47:10,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:47:10,197 INFO L85 PathProgramCache]: Analyzing trace with hash 733928444, now seen corresponding path program 1 times [2025-02-06 18:47:10,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:47:10,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992051945] [2025-02-06 18:47:10,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:47:10,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:47:10,308 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-06 18:47:10,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 18:47:10,341 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:47:10,341 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:47:10,559 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2025-02-06 18:47:10,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:47:10,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992051945] [2025-02-06 18:47:10,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992051945] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:47:10,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790749044] [2025-02-06 18:47:10,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:47:10,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:47:10,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:47:10,564 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:47:10,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-06 18:47:10,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-06 18:47:11,155 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 18:47:11,155 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:47:11,155 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:47:11,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 1716 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-02-06 18:47:11,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:47:11,616 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 1 proven. 540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:47:11,616 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:47:12,453 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 1 proven. 540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:47:12,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [790749044] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:47:12,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:47:12,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 33, 33] total 64 [2025-02-06 18:47:12,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80246205] [2025-02-06 18:47:12,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:47:12,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2025-02-06 18:47:12,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:47:12,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2025-02-06 18:47:12,456 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=967, Invalid=3065, Unknown=0, NotChecked=0, Total=4032 [2025-02-06 18:47:12,626 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 90 [2025-02-06 18:47:12,628 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 142 transitions, 1153 flow. Second operand has 64 states, 64 states have (on average 37.640625) internal successors, (2409), 64 states have internal predecessors, (2409), 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) [2025-02-06 18:47:12,629 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 18:47:12,629 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 90 [2025-02-06 18:47:12,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 18:47:20,193 INFO L124 PetriNetUnfolderBase]: 137/909 cut-off events. [2025-02-06 18:47:20,193 INFO L125 PetriNetUnfolderBase]: For 8449/8449 co-relation queries the response was YES. [2025-02-06 18:47:20,196 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3537 conditions, 909 events. 137/909 cut-off events. For 8449/8449 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2216 event pairs, 100 based on Foata normal form. 46/902 useless extension candidates. Maximal degree in co-relation 2859. Up to 247 conditions per place. [2025-02-06 18:47:20,201 INFO L140 encePairwiseOnDemand]: 81/90 looper letters, 157 selfloop transitions, 216 changer transitions 0/407 dead transitions. [2025-02-06 18:47:20,202 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 407 transitions, 5543 flow [2025-02-06 18:47:20,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2025-02-06 18:47:20,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2025-02-06 18:47:20,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 6971 transitions. [2025-02-06 18:47:20,215 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.42557997557997557 [2025-02-06 18:47:20,215 INFO L175 Difference]: Start difference. First operand has 147 places, 142 transitions, 1153 flow. Second operand 182 states and 6971 transitions. [2025-02-06 18:47:20,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 407 transitions, 5543 flow [2025-02-06 18:47:20,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 407 transitions, 5457 flow, removed 39 selfloop flow, removed 4 redundant places. [2025-02-06 18:47:20,241 INFO L231 Difference]: Finished difference. Result has 371 places, 296 transitions, 3812 flow [2025-02-06 18:47:20,242 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=1135, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=182, PETRI_FLOW=3812, PETRI_PLACES=371, PETRI_TRANSITIONS=296} [2025-02-06 18:47:20,243 INFO L279 CegarLoopForPetriNet]: 77 programPoint places, 294 predicate places. [2025-02-06 18:47:20,243 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 296 transitions, 3812 flow [2025-02-06 18:47:20,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 37.640625) internal successors, (2409), 64 states have internal predecessors, (2409), 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) [2025-02-06 18:47:20,245 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 18:47:20,245 INFO L206 CegarLoopForPetriNet]: trace histogram [32, 32, 31, 31, 31, 2, 1, 1, 1, 1, 1] [2025-02-06 18:47:20,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-06 18:47:20,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:47:20,446 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2025-02-06 18:47:20,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:47:20,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1255938081, now seen corresponding path program 1 times [2025-02-06 18:47:20,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:47:20,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429453092] [2025-02-06 18:47:20,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:47:20,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:47:20,714 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-02-06 18:48:07,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-02-06 18:48:07,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:48:07,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 18:48:07,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1558234320] [2025-02-06 18:48:07,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:48:07,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:48:07,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:48:07,667 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:48:07,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-06 18:48:08,221 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-02-06 18:48:10,020 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-02-06 18:48:10,020 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:48:10,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:48:10,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 3172 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-06 18:48:10,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:48:10,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2451 backedges. 0 proven. 246 refuted. 0 times theorem prover too weak. 2205 trivial. 0 not checked. [2025-02-06 18:48:10,238 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:48:10,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2451 backedges. 0 proven. 246 refuted. 0 times theorem prover too weak. 2205 trivial. 0 not checked. [2025-02-06 18:48:10,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:48:10,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429453092] [2025-02-06 18:48:10,463 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 18:48:10,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558234320] [2025-02-06 18:48:10,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558234320] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:48:10,463 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 18:48:10,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2025-02-06 18:48:10,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486512601] [2025-02-06 18:48:10,464 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 18:48:10,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 18:48:10,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:48:10,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 18:48:10,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2025-02-06 18:48:10,509 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 90 [2025-02-06 18:48:10,513 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 296 transitions, 3812 flow. Second operand has 14 states, 14 states have (on average 37.857142857142854) internal successors, (530), 14 states have internal predecessors, (530), 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) [2025-02-06 18:48:10,513 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 18:48:10,513 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 90 [2025-02-06 18:48:10,513 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 18:48:12,099 INFO L124 PetriNetUnfolderBase]: 122/877 cut-off events. [2025-02-06 18:48:12,099 INFO L125 PetriNetUnfolderBase]: For 22434/22434 co-relation queries the response was YES. [2025-02-06 18:48:12,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4605 conditions, 877 events. 122/877 cut-off events. For 22434/22434 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2140 event pairs, 100 based on Foata normal form. 32/856 useless extension candidates. Maximal degree in co-relation 3882. Up to 242 conditions per place. [2025-02-06 18:48:12,105 INFO L140 encePairwiseOnDemand]: 80/90 looper letters, 107 selfloop transitions, 134 changer transitions 0/275 dead transitions. [2025-02-06 18:48:12,105 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 275 transitions, 4216 flow [2025-02-06 18:48:12,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-06 18:48:12,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-02-06 18:48:12,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 750 transitions. [2025-02-06 18:48:12,107 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.43859649122807015 [2025-02-06 18:48:12,107 INFO L175 Difference]: Start difference. First operand has 371 places, 296 transitions, 3812 flow. Second operand 19 states and 750 transitions. [2025-02-06 18:48:12,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 275 transitions, 4216 flow [2025-02-06 18:48:12,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 350 places, 275 transitions, 3642 flow, removed 96 selfloop flow, removed 38 redundant places. [2025-02-06 18:48:12,210 INFO L231 Difference]: Finished difference. Result has 352 places, 271 transitions, 3505 flow [2025-02-06 18:48:12,211 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=2979, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=129, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=3505, PETRI_PLACES=352, PETRI_TRANSITIONS=271} [2025-02-06 18:48:12,211 INFO L279 CegarLoopForPetriNet]: 77 programPoint places, 275 predicate places. [2025-02-06 18:48:12,211 INFO L471 AbstractCegarLoop]: Abstraction has has 352 places, 271 transitions, 3505 flow [2025-02-06 18:48:12,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 37.857142857142854) internal successors, (530), 14 states have internal predecessors, (530), 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) [2025-02-06 18:48:12,212 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 18:48:12,212 INFO L206 CegarLoopForPetriNet]: trace histogram [60, 60, 60, 60, 60, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:48:12,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-06 18:48:12,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:48:12,416 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2025-02-06 18:48:12,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:48:12,418 INFO L85 PathProgramCache]: Analyzing trace with hash -2101878031, now seen corresponding path program 2 times [2025-02-06 18:48:12,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:48:12,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367560734] [2025-02-06 18:48:12,418 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:48:12,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:48:12,794 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 317 statements into 2 equivalence classes. [2025-02-06 18:48:12,946 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 317 of 317 statements. [2025-02-06 18:48:12,946 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 18:48:12,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:48:13,724 INFO L134 CoverageAnalysis]: Checked inductivity of 8976 backedges. 0 proven. 4566 refuted. 0 times theorem prover too weak. 4410 trivial. 0 not checked. [2025-02-06 18:48:13,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:48:13,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367560734] [2025-02-06 18:48:13,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367560734] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:48:13,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966445017] [2025-02-06 18:48:13,724 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:48:13,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:48:13,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:48:13,726 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:48:13,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-06 18:48:14,758 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 317 statements into 2 equivalence classes. [2025-02-06 18:48:15,479 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 317 of 317 statements. [2025-02-06 18:48:15,480 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 18:48:15,480 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:48:15,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 5935 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 18:48:15,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:48:15,817 INFO L134 CoverageAnalysis]: Checked inductivity of 8976 backedges. 0 proven. 4566 refuted. 0 times theorem prover too weak. 4410 trivial. 0 not checked. [2025-02-06 18:48:15,820 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:48:16,125 INFO L134 CoverageAnalysis]: Checked inductivity of 8976 backedges. 0 proven. 4566 refuted. 0 times theorem prover too weak. 4410 trivial. 0 not checked. [2025-02-06 18:48:16,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966445017] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:48:16,126 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:48:16,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2025-02-06 18:48:16,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032845566] [2025-02-06 18:48:16,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:48:16,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 18:48:16,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:48:16,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 18:48:16,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2025-02-06 18:48:16,153 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 39 out of 90 [2025-02-06 18:48:16,154 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 271 transitions, 3505 flow. Second operand has 14 states, 14 states have (on average 41.357142857142854) internal successors, (579), 14 states have internal predecessors, (579), 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) [2025-02-06 18:48:16,154 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 18:48:16,154 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 39 of 90 [2025-02-06 18:48:16,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 18:48:17,013 INFO L124 PetriNetUnfolderBase]: 124/1244 cut-off events. [2025-02-06 18:48:17,013 INFO L125 PetriNetUnfolderBase]: For 58622/58622 co-relation queries the response was YES. [2025-02-06 18:48:17,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8423 conditions, 1244 events. 124/1244 cut-off events. For 58622/58622 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1926 event pairs, 100 based on Foata normal form. 3/1194 useless extension candidates. Maximal degree in co-relation 7703. Up to 243 conditions per place. [2025-02-06 18:48:17,025 INFO L140 encePairwiseOnDemand]: 85/90 looper letters, 339 selfloop transitions, 11 changer transitions 0/400 dead transitions. [2025-02-06 18:48:17,025 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 362 places, 400 transitions, 6656 flow [2025-02-06 18:48:17,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 18:48:17,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-02-06 18:48:17,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 492 transitions. [2025-02-06 18:48:17,027 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.49696969696969695 [2025-02-06 18:48:17,027 INFO L175 Difference]: Start difference. First operand has 352 places, 271 transitions, 3505 flow. Second operand 11 states and 492 transitions. [2025-02-06 18:48:17,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 362 places, 400 transitions, 6656 flow [2025-02-06 18:48:17,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 350 places, 400 transitions, 6552 flow, removed 24 selfloop flow, removed 12 redundant places. [2025-02-06 18:48:17,214 INFO L231 Difference]: Finished difference. Result has 354 places, 276 transitions, 3680 flow [2025-02-06 18:48:17,214 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=3431, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3680, PETRI_PLACES=354, PETRI_TRANSITIONS=276} [2025-02-06 18:48:17,215 INFO L279 CegarLoopForPetriNet]: 77 programPoint places, 277 predicate places. [2025-02-06 18:48:17,215 INFO L471 AbstractCegarLoop]: Abstraction has has 354 places, 276 transitions, 3680 flow [2025-02-06 18:48:17,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 41.357142857142854) internal successors, (579), 14 states have internal predecessors, (579), 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) [2025-02-06 18:48:17,216 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 18:48:17,216 INFO L206 CegarLoopForPetriNet]: trace histogram [63, 63, 62, 62, 62, 3, 2, 2, 2, 1, 1] [2025-02-06 18:48:17,235 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-06 18:48:17,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:48:17,418 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2025-02-06 18:48:17,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:48:17,420 INFO L85 PathProgramCache]: Analyzing trace with hash -975627208, now seen corresponding path program 2 times [2025-02-06 18:48:17,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:48:17,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957287282] [2025-02-06 18:48:17,420 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:48:17,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:48:17,823 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 323 statements into 2 equivalence classes.