./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c --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/weaver/popl20-bad-dot-product-alt.wvr.c -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 6fdb5189ea0a06d32886b44c2108d225ef2901fa5113fdc3856a252d0f653190 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 18:51:28,980 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 18:51:29,017 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 18:51:29,020 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 18:51:29,020 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 18:51:29,034 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 18:51:29,034 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 18:51:29,035 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 18:51:29,035 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 18:51:29,035 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 18:51:29,035 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 18:51:29,035 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 18:51:29,035 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 18:51:29,035 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 18:51:29,036 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 18:51:29,036 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 18:51:29,036 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 18:51:29,036 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 18:51:29,036 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 18:51:29,036 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 18:51:29,036 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 18:51:29,036 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 18:51:29,036 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 18:51:29,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 18:51:29,037 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 18:51:29,037 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 18:51:29,037 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 18:51:29,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 18:51:29,037 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 18:51:29,037 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 18:51:29,037 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 18:51:29,037 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 18:51:29,037 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 18:51:29,037 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 18:51:29,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 18:51:29,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 18:51:29,037 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 18:51:29,038 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 18:51:29,038 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 18:51:29,038 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 18:51:29,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 18:51:29,038 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 18:51:29,038 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 18:51:29,038 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 18:51:29,038 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 18:51:29,038 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 -> 6fdb5189ea0a06d32886b44c2108d225ef2901fa5113fdc3856a252d0f653190 [2025-02-06 18:51:29,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 18:51:29,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 18:51:29,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 18:51:29,276 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 18:51:29,276 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 18:51:29,277 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c [2025-02-06 18:51:30,423 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ad545c8ce/5775f0bdd5f4425bbe9a1064290a9708/FLAG04631882a [2025-02-06 18:51:30,672 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 18:51:30,672 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c [2025-02-06 18:51:30,682 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ad545c8ce/5775f0bdd5f4425bbe9a1064290a9708/FLAG04631882a [2025-02-06 18:51:30,986 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ad545c8ce/5775f0bdd5f4425bbe9a1064290a9708 [2025-02-06 18:51:30,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 18:51:30,989 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 18:51:30,990 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 18:51:30,993 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 18:51:30,997 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 18:51:30,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:51:30" (1/1) ... [2025-02-06 18:51:31,000 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2061303d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:51:30, skipping insertion in model container [2025-02-06 18:51:31,000 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:51:30" (1/1) ... [2025-02-06 18:51:31,014 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 18:51:31,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 18:51:31,164 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 18:51:31,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 18:51:31,208 INFO L204 MainTranslator]: Completed translation [2025-02-06 18:51:31,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:51:31 WrapperNode [2025-02-06 18:51:31,209 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 18:51:31,209 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 18:51:31,209 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 18:51:31,210 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 18:51:31,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:51:31" (1/1) ... [2025-02-06 18:51:31,225 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:51:31" (1/1) ... [2025-02-06 18:51:31,257 INFO L138 Inliner]: procedures = 27, calls = 60, calls flagged for inlining = 19, calls inlined = 27, statements flattened = 397 [2025-02-06 18:51:31,262 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 18:51:31,262 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 18:51:31,262 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 18:51:31,262 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 18:51:31,268 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:51:31" (1/1) ... [2025-02-06 18:51:31,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:51:31" (1/1) ... [2025-02-06 18:51:31,275 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:51:31" (1/1) ... [2025-02-06 18:51:31,294 INFO L175 MemorySlicer]: Split 30 memory accesses to 3 slices as follows [2, 4, 24]. 80 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 4 writes are split as follows [0, 1, 3]. [2025-02-06 18:51:31,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:51:31" (1/1) ... [2025-02-06 18:51:31,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:51:31" (1/1) ... [2025-02-06 18:51:31,315 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:51:31" (1/1) ... [2025-02-06 18:51:31,317 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:51:31" (1/1) ... [2025-02-06 18:51:31,318 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:51:31" (1/1) ... [2025-02-06 18:51:31,319 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:51:31" (1/1) ... [2025-02-06 18:51:31,324 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 18:51:31,324 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 18:51:31,325 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 18:51:31,325 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 18:51:31,325 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:51:31" (1/1) ... [2025-02-06 18:51:31,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 18:51:31,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:51:31,354 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 18:51:31,362 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 18:51:31,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 18:51:31,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 18:51:31,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 18:51:31,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 18:51:31,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 18:51:31,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 18:51:31,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 18:51:31,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 18:51:31,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 18:51:31,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 18:51:31,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 18:51:31,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 18:51:31,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 18:51:31,379 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-06 18:51:31,379 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-06 18:51:31,379 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-06 18:51:31,379 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-06 18:51:31,379 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-02-06 18:51:31,379 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-02-06 18:51:31,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 18:51:31,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 18:51:31,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 18:51:31,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-06 18:51:31,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-06 18:51:31,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 18:51:31,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 18:51:31,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 18:51:31,381 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 18:51:31,495 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 18:51:31,497 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 18:51:31,922 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 18:51:31,922 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 18:51:32,402 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 18:51:32,403 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 18:51:32,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:51:32 BoogieIcfgContainer [2025-02-06 18:51:32,403 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 18:51:32,404 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 18:51:32,405 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 18:51:32,408 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 18:51:32,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 06:51:30" (1/3) ... [2025-02-06 18:51:32,409 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13524dae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:51:32, skipping insertion in model container [2025-02-06 18:51:32,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:51:31" (2/3) ... [2025-02-06 18:51:32,409 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13524dae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:51:32, skipping insertion in model container [2025-02-06 18:51:32,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:51:32" (3/3) ... [2025-02-06 18:51:32,410 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product-alt.wvr.c [2025-02-06 18:51:32,423 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 18:51:32,425 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-dot-product-alt.wvr.c that has 4 procedures, 77 locations, 1 initial locations, 7 loop locations, and 32 error locations. [2025-02-06 18:51:32,425 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 18:51:32,548 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-02-06 18:51:32,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 86 places, 83 transitions, 187 flow [2025-02-06 18:51:32,643 INFO L124 PetriNetUnfolderBase]: 7/80 cut-off events. [2025-02-06 18:51:32,645 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-06 18:51:32,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 80 events. 7/80 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 267 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2025-02-06 18:51:32,649 INFO L82 GeneralOperation]: Start removeDead. Operand has 86 places, 83 transitions, 187 flow [2025-02-06 18:51:32,651 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 81 places, 78 transitions, 171 flow [2025-02-06 18:51:32,659 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 18:51:32,668 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;@7fe8f522, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 18:51:32,668 INFO L334 AbstractCegarLoop]: Starting to check reachability of 59 error locations. [2025-02-06 18:51:32,671 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 18:51:32,672 INFO L124 PetriNetUnfolderBase]: 1/5 cut-off events. [2025-02-06 18:51:32,672 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 18:51:32,672 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 18:51:32,672 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2025-02-06 18:51:32,672 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 56 more)] === [2025-02-06 18:51:32,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:51:32,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1167230, now seen corresponding path program 1 times [2025-02-06 18:51:32,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:51:32,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570091391] [2025-02-06 18:51:32,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:51:32,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:51:32,739 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 18:51:32,754 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 18:51:32,754 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:51:32,755 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:51:32,849 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 18:51:32,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:51:32,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570091391] [2025-02-06 18:51:32,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570091391] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:51:32,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:51:32,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 18:51:32,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188230563] [2025-02-06 18:51:32,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:51:32,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:51:32,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:51:32,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:51:32,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:51:32,889 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 83 [2025-02-06 18:51:32,891 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 78 transitions, 171 flow. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 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 18:51:32,891 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 18:51:32,891 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 83 [2025-02-06 18:51:32,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 18:51:33,909 INFO L124 PetriNetUnfolderBase]: 4166/6704 cut-off events. [2025-02-06 18:51:33,910 INFO L125 PetriNetUnfolderBase]: For 315/315 co-relation queries the response was YES. [2025-02-06 18:51:33,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12896 conditions, 6704 events. 4166/6704 cut-off events. For 315/315 co-relation queries the response was YES. Maximal size of possible extension queue 456. Compared 41545 event pairs, 3616 based on Foata normal form. 3/3708 useless extension candidates. Maximal degree in co-relation 12210. Up to 5909 conditions per place. [2025-02-06 18:51:33,944 INFO L140 encePairwiseOnDemand]: 60/83 looper letters, 52 selfloop transitions, 11 changer transitions 0/81 dead transitions. [2025-02-06 18:51:33,944 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 81 transitions, 303 flow [2025-02-06 18:51:33,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:51:33,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-06 18:51:33,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 159 transitions. [2025-02-06 18:51:33,952 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4789156626506024 [2025-02-06 18:51:33,953 INFO L175 Difference]: Start difference. First operand has 81 places, 78 transitions, 171 flow. Second operand 4 states and 159 transitions. [2025-02-06 18:51:33,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 81 transitions, 303 flow [2025-02-06 18:51:33,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 81 transitions, 294 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-02-06 18:51:33,960 INFO L231 Difference]: Finished difference. Result has 76 places, 81 transitions, 242 flow [2025-02-06 18:51:33,961 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=242, PETRI_PLACES=76, PETRI_TRANSITIONS=81} [2025-02-06 18:51:33,964 INFO L279 CegarLoopForPetriNet]: 81 programPoint places, -5 predicate places. [2025-02-06 18:51:33,964 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 81 transitions, 242 flow [2025-02-06 18:51:33,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 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 18:51:33,964 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 18:51:33,964 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2025-02-06 18:51:33,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 18:51:33,964 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 56 more)] === [2025-02-06 18:51:33,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:51:33,965 INFO L85 PathProgramCache]: Analyzing trace with hash 414312444, now seen corresponding path program 1 times [2025-02-06 18:51:33,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:51:33,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409419938] [2025-02-06 18:51:33,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:51:33,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:51:33,973 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 18:51:33,985 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 18:51:33,985 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:51:33,985 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:51:34,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:51:34,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:51:34,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409419938] [2025-02-06 18:51:34,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409419938] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:51:34,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658933974] [2025-02-06 18:51:34,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:51:34,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:51:34,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:51:34,090 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 18:51:34,095 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 18:51:34,178 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 18:51:34,189 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 18:51:34,189 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:51:34,189 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:51:34,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 18:51:34,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:51:34,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:51:34,226 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:51:34,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658933974] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:51:34,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:51:34,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2025-02-06 18:51:34,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824856898] [2025-02-06 18:51:34,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:51:34,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 18:51:34,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:51:34,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 18:51:34,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-06 18:51:34,246 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 83 [2025-02-06 18:51:34,250 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 81 transitions, 242 flow. Second operand has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 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 18:51:34,250 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 18:51:34,250 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 83 [2025-02-06 18:51:34,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 18:51:35,292 INFO L124 PetriNetUnfolderBase]: 4166/6701 cut-off events. [2025-02-06 18:51:35,292 INFO L125 PetriNetUnfolderBase]: For 85/85 co-relation queries the response was YES. [2025-02-06 18:51:35,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12824 conditions, 6701 events. 4166/6701 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 463. Compared 41631 event pairs, 3616 based on Foata normal form. 3/3710 useless extension candidates. Maximal degree in co-relation 12752. Up to 5894 conditions per place. [2025-02-06 18:51:35,318 INFO L140 encePairwiseOnDemand]: 69/83 looper letters, 41 selfloop transitions, 19 changer transitions 0/78 dead transitions. [2025-02-06 18:51:35,319 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 78 transitions, 350 flow [2025-02-06 18:51:35,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 18:51:35,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 18:51:35,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 189 transitions. [2025-02-06 18:51:35,320 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3795180722891566 [2025-02-06 18:51:35,320 INFO L175 Difference]: Start difference. First operand has 76 places, 81 transitions, 242 flow. Second operand 6 states and 189 transitions. [2025-02-06 18:51:35,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 78 transitions, 350 flow [2025-02-06 18:51:35,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 78 transitions, 350 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 18:51:35,322 INFO L231 Difference]: Finished difference. Result has 78 places, 78 transitions, 268 flow [2025-02-06 18:51:35,322 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=268, PETRI_PLACES=78, PETRI_TRANSITIONS=78} [2025-02-06 18:51:35,323 INFO L279 CegarLoopForPetriNet]: 81 programPoint places, -3 predicate places. [2025-02-06 18:51:35,323 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 78 transitions, 268 flow [2025-02-06 18:51:35,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 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 18:51:35,323 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 18:51:35,323 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-06 18:51:35,330 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 18:51:35,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:51:35,527 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 56 more)] === [2025-02-06 18:51:35,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:51:35,528 INFO L85 PathProgramCache]: Analyzing trace with hash 416067668, now seen corresponding path program 1 times [2025-02-06 18:51:35,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:51:35,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937428178] [2025-02-06 18:51:35,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:51:35,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:51:35,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 18:51:35,553 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 18:51:35,553 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:51:35,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:51:35,674 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 18:51:35,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:51:35,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937428178] [2025-02-06 18:51:35,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937428178] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:51:35,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:51:35,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:51:35,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57845482] [2025-02-06 18:51:35,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:51:35,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:51:35,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:51:35,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:51:35,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:51:35,679 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 83 [2025-02-06 18:51:35,680 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 78 transitions, 268 flow. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 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 18:51:35,680 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 18:51:35,680 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 83 [2025-02-06 18:51:35,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 18:51:36,593 INFO L124 PetriNetUnfolderBase]: 4169/6714 cut-off events. [2025-02-06 18:51:36,593 INFO L125 PetriNetUnfolderBase]: For 115/115 co-relation queries the response was YES. [2025-02-06 18:51:36,601 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12884 conditions, 6714 events. 4169/6714 cut-off events. For 115/115 co-relation queries the response was YES. Maximal size of possible extension queue 463. Compared 41775 event pairs, 3616 based on Foata normal form. 1/3723 useless extension candidates. Maximal degree in co-relation 12773. Up to 5912 conditions per place. [2025-02-06 18:51:36,629 INFO L140 encePairwiseOnDemand]: 77/83 looper letters, 62 selfloop transitions, 6 changer transitions 0/87 dead transitions. [2025-02-06 18:51:36,629 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 87 transitions, 458 flow [2025-02-06 18:51:36,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:51:36,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-06 18:51:36,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 158 transitions. [2025-02-06 18:51:36,633 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4759036144578313 [2025-02-06 18:51:36,633 INFO L175 Difference]: Start difference. First operand has 78 places, 78 transitions, 268 flow. Second operand 4 states and 158 transitions. [2025-02-06 18:51:36,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 87 transitions, 458 flow [2025-02-06 18:51:36,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 87 transitions, 394 flow, removed 7 selfloop flow, removed 5 redundant places. [2025-02-06 18:51:36,638 INFO L231 Difference]: Finished difference. Result has 78 places, 82 transitions, 265 flow [2025-02-06 18:51:36,638 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=265, PETRI_PLACES=78, PETRI_TRANSITIONS=82} [2025-02-06 18:51:36,639 INFO L279 CegarLoopForPetriNet]: 81 programPoint places, -3 predicate places. [2025-02-06 18:51:36,639 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 82 transitions, 265 flow [2025-02-06 18:51:36,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 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 18:51:36,639 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 18:51:36,639 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1] [2025-02-06 18:51:36,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 18:51:36,640 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 56 more)] === [2025-02-06 18:51:36,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:51:36,641 INFO L85 PathProgramCache]: Analyzing trace with hash -41215015, now seen corresponding path program 1 times [2025-02-06 18:51:36,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:51:36,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721781612] [2025-02-06 18:51:36,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:51:36,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:51:36,651 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 18:51:36,662 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 18:51:36,662 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:51:36,662 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:51:36,751 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:51:36,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:51:36,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721781612] [2025-02-06 18:51:36,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721781612] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:51:36,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958752178] [2025-02-06 18:51:36,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:51:36,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:51:36,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:51:36,756 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 18:51:36,759 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 18:51:36,837 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 18:51:36,849 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 18:51:36,849 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:51:36,849 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:51:36,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 18:51:36,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:51:36,873 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:51:36,873 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:51:36,908 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:51:36,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958752178] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:51:36,908 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:51:36,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2025-02-06 18:51:36,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53953809] [2025-02-06 18:51:36,908 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:51:36,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 18:51:36,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:51:36,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 18:51:36,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-06 18:51:36,937 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 83 [2025-02-06 18:51:36,938 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 82 transitions, 265 flow. Second operand has 12 states, 12 states have (on average 22.083333333333332) internal successors, (265), 12 states have internal predecessors, (265), 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 18:51:36,938 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 18:51:36,938 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 83 [2025-02-06 18:51:36,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 18:51:37,804 INFO L124 PetriNetUnfolderBase]: 4181/6762 cut-off events. [2025-02-06 18:51:37,804 INFO L125 PetriNetUnfolderBase]: For 163/163 co-relation queries the response was YES. [2025-02-06 18:51:37,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13005 conditions, 6762 events. 4181/6762 cut-off events. For 163/163 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 42309 event pairs, 3616 based on Foata normal form. 12/3782 useless extension candidates. Maximal degree in co-relation 12901. Up to 5923 conditions per place. [2025-02-06 18:51:37,826 INFO L140 encePairwiseOnDemand]: 69/83 looper letters, 52 selfloop transitions, 42 changer transitions 0/112 dead transitions. [2025-02-06 18:51:37,827 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 112 transitions, 612 flow [2025-02-06 18:51:37,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 18:51:37,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-02-06 18:51:37,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 306 transitions. [2025-02-06 18:51:37,828 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3686746987951807 [2025-02-06 18:51:37,829 INFO L175 Difference]: Start difference. First operand has 78 places, 82 transitions, 265 flow. Second operand 10 states and 306 transitions. [2025-02-06 18:51:37,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 112 transitions, 612 flow [2025-02-06 18:51:37,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 112 transitions, 605 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 18:51:37,831 INFO L231 Difference]: Finished difference. Result has 89 places, 112 transitions, 555 flow [2025-02-06 18:51:37,831 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=261, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=555, PETRI_PLACES=89, PETRI_TRANSITIONS=112} [2025-02-06 18:51:37,832 INFO L279 CegarLoopForPetriNet]: 81 programPoint places, 8 predicate places. [2025-02-06 18:51:37,832 INFO L471 AbstractCegarLoop]: Abstraction has has 89 places, 112 transitions, 555 flow [2025-02-06 18:51:37,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 22.083333333333332) internal successors, (265), 12 states have internal predecessors, (265), 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 18:51:37,832 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 18:51:37,832 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:51:37,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 18:51:38,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:51:38,037 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 56 more)] === [2025-02-06 18:51:38,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:51:38,038 INFO L85 PathProgramCache]: Analyzing trace with hash 410047304, now seen corresponding path program 1 times [2025-02-06 18:51:38,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:51:38,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725321597] [2025-02-06 18:51:38,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:51:38,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:51:38,046 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 18:51:38,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 18:51:38,053 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:51:38,053 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:51:38,155 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 18:51:38,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:51:38,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725321597] [2025-02-06 18:51:38,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725321597] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:51:38,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:51:38,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:51:38,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942889011] [2025-02-06 18:51:38,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:51:38,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:51:38,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:51:38,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:51:38,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:51:38,157 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 83 [2025-02-06 18:51:38,157 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 112 transitions, 555 flow. Second operand has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 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 18:51:38,157 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 18:51:38,157 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 83 [2025-02-06 18:51:38,157 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 18:51:38,785 INFO L124 PetriNetUnfolderBase]: 4196/6833 cut-off events. [2025-02-06 18:51:38,785 INFO L125 PetriNetUnfolderBase]: For 344/344 co-relation queries the response was YES. [2025-02-06 18:51:38,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13349 conditions, 6833 events. 4196/6833 cut-off events. For 344/344 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 42657 event pairs, 3616 based on Foata normal form. 2/3846 useless extension candidates. Maximal degree in co-relation 13127. Up to 5946 conditions per place. [2025-02-06 18:51:38,846 INFO L140 encePairwiseOnDemand]: 74/83 looper letters, 114 selfloop transitions, 15 changer transitions 0/150 dead transitions. [2025-02-06 18:51:38,846 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 150 transitions, 1099 flow [2025-02-06 18:51:38,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 18:51:38,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-02-06 18:51:38,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 204 transitions. [2025-02-06 18:51:38,847 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.491566265060241 [2025-02-06 18:51:38,848 INFO L175 Difference]: Start difference. First operand has 89 places, 112 transitions, 555 flow. Second operand 5 states and 204 transitions. [2025-02-06 18:51:38,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 150 transitions, 1099 flow [2025-02-06 18:51:38,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 150 transitions, 1041 flow, removed 15 selfloop flow, removed 2 redundant places. [2025-02-06 18:51:38,855 INFO L231 Difference]: Finished difference. Result has 93 places, 118 transitions, 617 flow [2025-02-06 18:51:38,859 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=519, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=617, PETRI_PLACES=93, PETRI_TRANSITIONS=118} [2025-02-06 18:51:38,859 INFO L279 CegarLoopForPetriNet]: 81 programPoint places, 12 predicate places. [2025-02-06 18:51:38,859 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 118 transitions, 617 flow [2025-02-06 18:51:38,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 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 18:51:38,859 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 18:51:38,859 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2025-02-06 18:51:38,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 18:51:38,860 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 56 more)] === [2025-02-06 18:51:38,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:51:38,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1986656612, now seen corresponding path program 1 times [2025-02-06 18:51:38,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:51:38,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205955333] [2025-02-06 18:51:38,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:51:38,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:51:38,872 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-06 18:51:38,878 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-06 18:51:38,879 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:51:38,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:51:38,965 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:51:38,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:51:38,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205955333] [2025-02-06 18:51:38,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205955333] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:51:38,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607977689] [2025-02-06 18:51:38,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:51:38,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:51:38,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:51:38,968 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 18:51:38,973 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 18:51:39,052 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-06 18:51:39,073 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-06 18:51:39,073 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:51:39,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:51:39,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 18:51:39,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:51:39,098 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:51:39,098 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:51:39,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607977689] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:51:39,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:51:39,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-02-06 18:51:39,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555092204] [2025-02-06 18:51:39,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:51:39,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 18:51:39,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:51:39,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 18:51:39,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-06 18:51:39,107 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 83 [2025-02-06 18:51:39,107 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 118 transitions, 617 flow. Second operand has 6 states, 6 states have (on average 26.5) internal successors, (159), 6 states have internal predecessors, (159), 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 18:51:39,107 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 18:51:39,107 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 83 [2025-02-06 18:51:39,107 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 18:51:39,839 INFO L124 PetriNetUnfolderBase]: 4196/6831 cut-off events. [2025-02-06 18:51:39,839 INFO L125 PetriNetUnfolderBase]: For 300/300 co-relation queries the response was YES. [2025-02-06 18:51:39,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13346 conditions, 6831 events. 4196/6831 cut-off events. For 300/300 co-relation queries the response was YES. Maximal size of possible extension queue 465. Compared 42615 event pairs, 3616 based on Foata normal form. 2/3843 useless extension candidates. Maximal degree in co-relation 13128. Up to 5926 conditions per place. [2025-02-06 18:51:39,875 INFO L140 encePairwiseOnDemand]: 78/83 looper letters, 89 selfloop transitions, 22 changer transitions 0/130 dead transitions. [2025-02-06 18:51:39,875 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 130 transitions, 932 flow [2025-02-06 18:51:39,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 18:51:39,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 18:51:39,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 206 transitions. [2025-02-06 18:51:39,877 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.41365461847389556 [2025-02-06 18:51:39,877 INFO L175 Difference]: Start difference. First operand has 93 places, 118 transitions, 617 flow. Second operand 6 states and 206 transitions. [2025-02-06 18:51:39,877 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 130 transitions, 932 flow [2025-02-06 18:51:39,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 130 transitions, 930 flow, removed 1 selfloop flow, removed 0 redundant places. [2025-02-06 18:51:39,882 INFO L231 Difference]: Finished difference. Result has 97 places, 117 transitions, 655 flow [2025-02-06 18:51:39,883 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=611, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=655, PETRI_PLACES=97, PETRI_TRANSITIONS=117} [2025-02-06 18:51:39,884 INFO L279 CegarLoopForPetriNet]: 81 programPoint places, 16 predicate places. [2025-02-06 18:51:39,885 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 117 transitions, 655 flow [2025-02-06 18:51:39,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.5) internal successors, (159), 6 states have internal predecessors, (159), 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 18:51:39,885 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 18:51:39,885 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2025-02-06 18:51:39,895 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 18:51:40,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:51:40,086 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 56 more)] === [2025-02-06 18:51:40,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:51:40,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1456811736, now seen corresponding path program 1 times [2025-02-06 18:51:40,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:51:40,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409030952] [2025-02-06 18:51:40,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:51:40,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:51:40,099 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-06 18:51:40,111 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-06 18:51:40,112 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:51:40,112 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:51:40,190 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 18:51:40,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:51:40,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409030952] [2025-02-06 18:51:40,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409030952] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:51:40,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126836456] [2025-02-06 18:51:40,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:51:40,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:51:40,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:51:40,195 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 18:51:40,200 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 18:51:40,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-06 18:51:40,299 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-06 18:51:40,299 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:51:40,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:51:40,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 18:51:40,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:51:40,322 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 18:51:40,322 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:51:40,352 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 18:51:40,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2126836456] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:51:40,353 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:51:40,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-02-06 18:51:40,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238234439] [2025-02-06 18:51:40,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:51:40,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 18:51:40,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:51:40,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 18:51:40,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-06 18:51:40,363 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 83 [2025-02-06 18:51:40,364 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 117 transitions, 655 flow. Second operand has 12 states, 12 states have (on average 26.666666666666668) internal successors, (320), 12 states have internal predecessors, (320), 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 18:51:40,364 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 18:51:40,364 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 83 [2025-02-06 18:51:40,364 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 18:51:41,200 INFO L124 PetriNetUnfolderBase]: 4229/6978 cut-off events. [2025-02-06 18:51:41,200 INFO L125 PetriNetUnfolderBase]: For 608/608 co-relation queries the response was YES. [2025-02-06 18:51:41,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13952 conditions, 6978 events. 4229/6978 cut-off events. For 608/608 co-relation queries the response was YES. Maximal size of possible extension queue 471. Compared 44042 event pairs, 3616 based on Foata normal form. 6/3996 useless extension candidates. Maximal degree in co-relation 13547. Up to 5967 conditions per place. [2025-02-06 18:51:41,220 INFO L140 encePairwiseOnDemand]: 78/83 looper letters, 136 selfloop transitions, 38 changer transitions 0/193 dead transitions. [2025-02-06 18:51:41,220 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 193 transitions, 1613 flow [2025-02-06 18:51:41,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 18:51:41,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-02-06 18:51:41,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 326 transitions. [2025-02-06 18:51:41,222 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3927710843373494 [2025-02-06 18:51:41,222 INFO L175 Difference]: Start difference. First operand has 97 places, 117 transitions, 655 flow. Second operand 10 states and 326 transitions. [2025-02-06 18:51:41,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 193 transitions, 1613 flow [2025-02-06 18:51:41,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 193 transitions, 1473 flow, removed 28 selfloop flow, removed 5 redundant places. [2025-02-06 18:51:41,226 INFO L231 Difference]: Finished difference. Result has 104 places, 141 transitions, 872 flow [2025-02-06 18:51:41,226 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=582, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=872, PETRI_PLACES=104, PETRI_TRANSITIONS=141} [2025-02-06 18:51:41,227 INFO L279 CegarLoopForPetriNet]: 81 programPoint places, 23 predicate places. [2025-02-06 18:51:41,227 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 141 transitions, 872 flow [2025-02-06 18:51:41,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 26.666666666666668) internal successors, (320), 12 states have internal predecessors, (320), 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 18:51:41,227 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 18:51:41,227 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:51:41,235 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-06 18:51:41,427 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,SelfDestructingSolverStorable6 [2025-02-06 18:51:41,428 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 56 more)] === [2025-02-06 18:51:41,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:51:41,428 INFO L85 PathProgramCache]: Analyzing trace with hash 170258449, now seen corresponding path program 1 times [2025-02-06 18:51:41,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:51:41,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425225026] [2025-02-06 18:51:41,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:51:41,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:51:41,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-06 18:51:41,460 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-06 18:51:41,460 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:51:41,460 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:51:41,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 18:51:41,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:51:41,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425225026] [2025-02-06 18:51:41,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425225026] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:51:41,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:51:41,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 18:51:41,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074183948] [2025-02-06 18:51:41,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:51:41,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:51:41,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:51:41,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:51:41,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:51:41,625 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 83 [2025-02-06 18:51:41,625 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 141 transitions, 872 flow. Second operand has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 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 18:51:41,625 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 18:51:41,625 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 83 [2025-02-06 18:51:41,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 18:51:42,345 INFO L124 PetriNetUnfolderBase]: 4352/7192 cut-off events. [2025-02-06 18:51:42,345 INFO L125 PetriNetUnfolderBase]: For 639/639 co-relation queries the response was YES. [2025-02-06 18:51:42,354 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14394 conditions, 7192 events. 4352/7192 cut-off events. For 639/639 co-relation queries the response was YES. Maximal size of possible extension queue 470. Compared 45064 event pairs, 3740 based on Foata normal form. 0/4204 useless extension candidates. Maximal degree in co-relation 14113. Up to 6030 conditions per place. [2025-02-06 18:51:42,375 INFO L140 encePairwiseOnDemand]: 76/83 looper letters, 125 selfloop transitions, 8 changer transitions 15/168 dead transitions. [2025-02-06 18:51:42,376 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 168 transitions, 1295 flow [2025-02-06 18:51:42,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:51:42,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-06 18:51:42,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 179 transitions. [2025-02-06 18:51:42,377 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5391566265060241 [2025-02-06 18:51:42,377 INFO L175 Difference]: Start difference. First operand has 104 places, 141 transitions, 872 flow. Second operand 4 states and 179 transitions. [2025-02-06 18:51:42,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 168 transitions, 1295 flow [2025-02-06 18:51:42,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 168 transitions, 1269 flow, removed 3 selfloop flow, removed 2 redundant places. [2025-02-06 18:51:42,383 INFO L231 Difference]: Finished difference. Result has 106 places, 140 transitions, 869 flow [2025-02-06 18:51:42,384 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=846, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=869, PETRI_PLACES=106, PETRI_TRANSITIONS=140} [2025-02-06 18:51:42,385 INFO L279 CegarLoopForPetriNet]: 81 programPoint places, 25 predicate places. [2025-02-06 18:51:42,385 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 140 transitions, 869 flow [2025-02-06 18:51:42,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 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 18:51:42,385 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 18:51:42,385 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 4, 1, 1] [2025-02-06 18:51:42,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 18:51:42,385 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 56 more)] === [2025-02-06 18:51:42,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:51:42,386 INFO L85 PathProgramCache]: Analyzing trace with hash -643181033, now seen corresponding path program 2 times [2025-02-06 18:51:42,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:51:42,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714908592] [2025-02-06 18:51:42,386 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:51:42,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:51:42,395 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 2 equivalence classes. [2025-02-06 18:51:42,399 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 4 of 16 statements. [2025-02-06 18:51:42,400 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 18:51:42,400 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:51:42,429 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-06 18:51:42,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:51:42,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714908592] [2025-02-06 18:51:42,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714908592] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:51:42,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027625591] [2025-02-06 18:51:42,429 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:51:42,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:51:42,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:51:42,434 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 18:51:42,440 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 18:51:42,515 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 2 equivalence classes. [2025-02-06 18:51:42,523 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 4 of 16 statements. [2025-02-06 18:51:42,523 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 18:51:42,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:51:42,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 18:51:42,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:51:42,547 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-06 18:51:42,547 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:51:42,568 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-06 18:51:42,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027625591] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:51:42,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:51:42,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2025-02-06 18:51:42,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621012247] [2025-02-06 18:51:42,568 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:51:42,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:51:42,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:51:42,569 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:51:42,569 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:51:42,578 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 83 [2025-02-06 18:51:42,578 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 140 transitions, 869 flow. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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 18:51:42,578 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 18:51:42,578 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 83 [2025-02-06 18:51:42,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 18:51:43,218 INFO L124 PetriNetUnfolderBase]: 4228/6976 cut-off events. [2025-02-06 18:51:43,218 INFO L125 PetriNetUnfolderBase]: For 996/996 co-relation queries the response was YES. [2025-02-06 18:51:43,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14489 conditions, 6976 events. 4228/6976 cut-off events. For 996/996 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 43765 event pairs, 3616 based on Foata normal form. 1/4532 useless extension candidates. Maximal degree in co-relation 14206. Up to 6109 conditions per place. [2025-02-06 18:51:43,241 INFO L140 encePairwiseOnDemand]: 78/83 looper letters, 106 selfloop transitions, 16 changer transitions 0/139 dead transitions. [2025-02-06 18:51:43,242 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 139 transitions, 1103 flow [2025-02-06 18:51:43,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:51:43,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-06 18:51:43,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 135 transitions. [2025-02-06 18:51:43,243 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4066265060240964 [2025-02-06 18:51:43,243 INFO L175 Difference]: Start difference. First operand has 106 places, 140 transitions, 869 flow. Second operand 4 states and 135 transitions. [2025-02-06 18:51:43,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 139 transitions, 1103 flow [2025-02-06 18:51:43,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 139 transitions, 1087 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-02-06 18:51:43,247 INFO L231 Difference]: Finished difference. Result has 105 places, 139 transitions, 875 flow [2025-02-06 18:51:43,247 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=843, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=875, PETRI_PLACES=105, PETRI_TRANSITIONS=139} [2025-02-06 18:51:43,248 INFO L279 CegarLoopForPetriNet]: 81 programPoint places, 24 predicate places. [2025-02-06 18:51:43,248 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 139 transitions, 875 flow [2025-02-06 18:51:43,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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 18:51:43,248 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 18:51:43,248 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 4, 1, 1, 1] [2025-02-06 18:51:43,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-06 18:51:43,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:51:43,449 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 56 more)] === [2025-02-06 18:51:43,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:51:43,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1173677764, now seen corresponding path program 1 times [2025-02-06 18:51:43,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:51:43,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704574694] [2025-02-06 18:51:43,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:51:43,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:51:43,457 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 18:51:43,462 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 18:51:43,463 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:51:43,463 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:51:43,521 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2025-02-06 18:51:43,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:51:43,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704574694] [2025-02-06 18:51:43,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704574694] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:51:43,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:51:43,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:51:43,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567772071] [2025-02-06 18:51:43,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:51:43,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:51:43,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:51:43,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:51:43,523 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:51:43,523 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 83 [2025-02-06 18:51:43,523 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 139 transitions, 875 flow. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 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 18:51:43,523 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 18:51:43,523 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 83 [2025-02-06 18:51:43,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 18:51:44,130 INFO L124 PetriNetUnfolderBase]: 4223/6956 cut-off events. [2025-02-06 18:51:44,130 INFO L125 PetriNetUnfolderBase]: For 910/910 co-relation queries the response was YES. [2025-02-06 18:51:44,147 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14404 conditions, 6956 events. 4223/6956 cut-off events. For 910/910 co-relation queries the response was YES. Maximal size of possible extension queue 465. Compared 43702 event pairs, 3616 based on Foata normal form. 1/4512 useless extension candidates. Maximal degree in co-relation 14123. Up to 6086 conditions per place. [2025-02-06 18:51:44,167 INFO L140 encePairwiseOnDemand]: 77/83 looper letters, 109 selfloop transitions, 10 changer transitions 0/138 dead transitions. [2025-02-06 18:51:44,168 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 138 transitions, 1103 flow [2025-02-06 18:51:44,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:51:44,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-06 18:51:44,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 164 transitions. [2025-02-06 18:51:44,169 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4939759036144578 [2025-02-06 18:51:44,169 INFO L175 Difference]: Start difference. First operand has 105 places, 139 transitions, 875 flow. Second operand 4 states and 164 transitions. [2025-02-06 18:51:44,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 138 transitions, 1103 flow [2025-02-06 18:51:44,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 138 transitions, 1071 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-02-06 18:51:44,174 INFO L231 Difference]: Finished difference. Result has 106 places, 138 transitions, 857 flow [2025-02-06 18:51:44,174 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=833, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=857, PETRI_PLACES=106, PETRI_TRANSITIONS=138} [2025-02-06 18:51:44,174 INFO L279 CegarLoopForPetriNet]: 81 programPoint places, 25 predicate places. [2025-02-06 18:51:44,174 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 138 transitions, 857 flow [2025-02-06 18:51:44,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 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 18:51:44,175 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 18:51:44,175 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:51:44,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-06 18:51:44,175 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 56 more)] === [2025-02-06 18:51:44,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:51:44,175 INFO L85 PathProgramCache]: Analyzing trace with hash 555042781, now seen corresponding path program 1 times [2025-02-06 18:51:44,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:51:44,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450846591] [2025-02-06 18:51:44,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:51:44,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:51:44,185 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-06 18:51:44,192 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-06 18:51:44,192 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:51:44,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:51:44,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-02-06 18:51:44,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:51:44,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450846591] [2025-02-06 18:51:44,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450846591] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:51:44,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:51:44,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-06 18:51:44,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929417712] [2025-02-06 18:51:44,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:51:44,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:51:44,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:51:44,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:51:44,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:51:44,291 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 83 [2025-02-06 18:51:44,291 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 138 transitions, 857 flow. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 18:51:44,291 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 18:51:44,291 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 83 [2025-02-06 18:51:44,292 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 18:51:45,416 INFO L124 PetriNetUnfolderBase]: 6609/10794 cut-off events. [2025-02-06 18:51:45,416 INFO L125 PetriNetUnfolderBase]: For 1135/1135 co-relation queries the response was YES. [2025-02-06 18:51:45,433 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22111 conditions, 10794 events. 6609/10794 cut-off events. For 1135/1135 co-relation queries the response was YES. Maximal size of possible extension queue 554. Compared 71667 event pairs, 2401 based on Foata normal form. 0/7071 useless extension candidates. Maximal degree in co-relation 21829. Up to 5444 conditions per place. [2025-02-06 18:51:45,457 INFO L140 encePairwiseOnDemand]: 79/83 looper letters, 147 selfloop transitions, 2 changer transitions 0/168 dead transitions. [2025-02-06 18:51:45,457 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 168 transitions, 1226 flow [2025-02-06 18:51:45,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:51:45,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 18:51:45,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 161 transitions. [2025-02-06 18:51:45,458 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6465863453815262 [2025-02-06 18:51:45,459 INFO L175 Difference]: Start difference. First operand has 106 places, 138 transitions, 857 flow. Second operand 3 states and 161 transitions. [2025-02-06 18:51:45,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 168 transitions, 1226 flow [2025-02-06 18:51:45,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 168 transitions, 1208 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 18:51:45,463 INFO L231 Difference]: Finished difference. Result has 107 places, 139 transitions, 853 flow [2025-02-06 18:51:45,464 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=839, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=853, PETRI_PLACES=107, PETRI_TRANSITIONS=139} [2025-02-06 18:51:45,464 INFO L279 CegarLoopForPetriNet]: 81 programPoint places, 26 predicate places. [2025-02-06 18:51:45,464 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 139 transitions, 853 flow [2025-02-06 18:51:45,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 18:51:45,464 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 18:51:45,465 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:51:45,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-06 18:51:45,465 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 56 more)] === [2025-02-06 18:51:45,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:51:45,465 INFO L85 PathProgramCache]: Analyzing trace with hash 555042777, now seen corresponding path program 1 times [2025-02-06 18:51:45,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:51:45,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802182145] [2025-02-06 18:51:45,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:51:45,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:51:45,475 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-06 18:51:45,483 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-06 18:51:45,484 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:51:45,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:51:45,652 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 18:51:45,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:51:45,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802182145] [2025-02-06 18:51:45,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802182145] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:51:45,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:51:45,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 18:51:45,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059762950] [2025-02-06 18:51:45,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:51:45,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:51:45,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:51:45,654 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:51:45,654 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:51:45,654 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 83 [2025-02-06 18:51:45,654 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 139 transitions, 853 flow. Second operand has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 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 18:51:45,654 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 18:51:45,654 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 83 [2025-02-06 18:51:45,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 18:51:46,681 INFO L124 PetriNetUnfolderBase]: 6776/11010 cut-off events. [2025-02-06 18:51:46,681 INFO L125 PetriNetUnfolderBase]: For 2058/2058 co-relation queries the response was YES. [2025-02-06 18:51:46,698 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24042 conditions, 11010 events. 6776/11010 cut-off events. For 2058/2058 co-relation queries the response was YES. Maximal size of possible extension queue 509. Compared 70421 event pairs, 5917 based on Foata normal form. 75/7669 useless extension candidates. Maximal degree in co-relation 23495. Up to 9424 conditions per place. [2025-02-06 18:51:46,719 INFO L140 encePairwiseOnDemand]: 72/83 looper letters, 123 selfloop transitions, 39 changer transitions 18/199 dead transitions. [2025-02-06 18:51:46,719 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 199 transitions, 1653 flow [2025-02-06 18:51:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 18:51:46,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-02-06 18:51:46,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 218 transitions. [2025-02-06 18:51:46,721 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5253012048192771 [2025-02-06 18:51:46,721 INFO L175 Difference]: Start difference. First operand has 107 places, 139 transitions, 853 flow. Second operand 5 states and 218 transitions. [2025-02-06 18:51:46,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 199 transitions, 1653 flow [2025-02-06 18:51:46,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 199 transitions, 1651 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 18:51:46,731 INFO L231 Difference]: Finished difference. Result has 111 places, 151 transitions, 1093 flow [2025-02-06 18:51:46,731 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=851, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1093, PETRI_PLACES=111, PETRI_TRANSITIONS=151} [2025-02-06 18:51:46,733 INFO L279 CegarLoopForPetriNet]: 81 programPoint places, 30 predicate places. [2025-02-06 18:51:46,733 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 151 transitions, 1093 flow [2025-02-06 18:51:46,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 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 18:51:46,733 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 18:51:46,733 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1] [2025-02-06 18:51:46,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-06 18:51:46,734 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 56 more)] === [2025-02-06 18:51:46,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:51:46,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1728830271, now seen corresponding path program 1 times [2025-02-06 18:51:46,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:51:46,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785565657] [2025-02-06 18:51:46,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:51:46,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:51:46,744 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 18:51:46,751 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 18:51:46,751 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:51:46,751 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:51:46,873 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:51:46,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:51:46,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785565657] [2025-02-06 18:51:46,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785565657] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:51:46,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114480368] [2025-02-06 18:51:46,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:51:46,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:51:46,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:51:46,876 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 18:51:46,878 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 18:51:46,960 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 18:51:46,984 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 18:51:46,984 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:51:46,984 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:51:46,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 18:51:46,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:51:47,023 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:51:47,023 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:51:47,136 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:51:47,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114480368] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:51:47,140 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:51:47,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2025-02-06 18:51:47,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203107899] [2025-02-06 18:51:47,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:51:47,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-02-06 18:51:47,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:51:47,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-02-06 18:51:47,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2025-02-06 18:51:47,204 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 83 [2025-02-06 18:51:47,204 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 151 transitions, 1093 flow. Second operand has 24 states, 24 states have (on average 22.166666666666668) internal successors, (532), 24 states have internal predecessors, (532), 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 18:51:47,204 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 18:51:47,204 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 83 [2025-02-06 18:51:47,204 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 18:51:48,582 INFO L124 PetriNetUnfolderBase]: 6896/11858 cut-off events. [2025-02-06 18:51:48,582 INFO L125 PetriNetUnfolderBase]: For 6111/6111 co-relation queries the response was YES. [2025-02-06 18:51:48,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27071 conditions, 11858 events. 6896/11858 cut-off events. For 6111/6111 co-relation queries the response was YES. Maximal size of possible extension queue 578. Compared 81089 event pairs, 5917 based on Foata normal form. 114/8476 useless extension candidates. Maximal degree in co-relation 26021. Up to 9805 conditions per place. [2025-02-06 18:51:48,657 INFO L140 encePairwiseOnDemand]: 70/83 looper letters, 60 selfloop transitions, 152 changer transitions 0/229 dead transitions. [2025-02-06 18:51:48,658 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 229 transitions, 2177 flow [2025-02-06 18:51:48,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-02-06 18:51:48,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2025-02-06 18:51:48,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 614 transitions. [2025-02-06 18:51:48,661 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3362541073384447 [2025-02-06 18:51:48,662 INFO L175 Difference]: Start difference. First operand has 111 places, 151 transitions, 1093 flow. Second operand 22 states and 614 transitions. [2025-02-06 18:51:48,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 229 transitions, 2177 flow [2025-02-06 18:51:48,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 229 transitions, 2177 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 18:51:48,676 INFO L231 Difference]: Finished difference. Result has 138 places, 229 transitions, 2141 flow [2025-02-06 18:51:48,676 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=1093, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=2141, PETRI_PLACES=138, PETRI_TRANSITIONS=229} [2025-02-06 18:51:48,676 INFO L279 CegarLoopForPetriNet]: 81 programPoint places, 57 predicate places. [2025-02-06 18:51:48,676 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 229 transitions, 2141 flow [2025-02-06 18:51:48,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 22.166666666666668) internal successors, (532), 24 states have internal predecessors, (532), 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 18:51:48,678 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 18:51:48,678 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:51:48,684 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 18:51:48,878 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,SelfDestructingSolverStorable12 [2025-02-06 18:51:48,879 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 56 more)] === [2025-02-06 18:51:48,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:51:48,879 INFO L85 PathProgramCache]: Analyzing trace with hash 663014510, now seen corresponding path program 1 times [2025-02-06 18:51:48,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:51:48,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735831395] [2025-02-06 18:51:48,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:51:48,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:51:48,889 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 18:51:48,932 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 18:51:48,935 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:51:48,935 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:51:49,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 18:51:49,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:51:49,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735831395] [2025-02-06 18:51:49,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735831395] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:51:49,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879445915] [2025-02-06 18:51:49,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:51:49,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:51:49,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:51:49,677 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 18:51:49,679 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 18:51:49,766 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 18:51:49,792 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 18:51:49,792 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:51:49,792 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:51:49,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-02-06 18:51:49,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:51:49,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2025-02-06 18:51:49,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2025-02-06 18:51:49,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2025-02-06 18:51:50,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 18:51:50,174 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:51:50,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 65 [2025-02-06 18:51:50,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 114 [2025-02-06 18:51:50,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 110 [2025-02-06 18:51:50,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 190 treesize of output 162 [2025-02-06 18:51:51,111 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-06 18:51:51,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 1166 treesize of output 1397 [2025-02-06 18:52:11,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:11,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:11,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:12,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:12,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:12,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:12,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:12,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:12,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:12,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:12,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:12,972 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:13,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:13,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:13,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:13,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:13,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:13,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:13,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:13,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:13,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:13,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:13,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:13,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:13,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:13,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:13,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:13,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:13,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:13,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:13,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:13,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:13,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:14,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:14,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:14,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:14,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:14,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:14,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:14,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:14,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:14,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:14,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:14,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:14,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:14,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:14,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:14,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:14,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:15,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:15,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-02-06 18:52:15,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7