./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d 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/uthash-2.0.2/uthash_BER_test3-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 32a779d95d64b7b3ae1a801430dde2c7d15b3372c5d0cdd47679441a42687631 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 13:35:17,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 13:35:17,248 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 13:35:17,251 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 13:35:17,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 13:35:17,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 13:35:17,264 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 13:35:17,265 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 13:35:17,265 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 13:35:17,265 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 13:35:17,265 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 13:35:17,265 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 13:35:17,265 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 13:35:17,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 13:35:17,265 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 13:35:17,266 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 13:35:17,266 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 13:35:17,266 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 13:35:17,266 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 13:35:17,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 13:35:17,266 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 13:35:17,266 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 13:35:17,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 13:35:17,266 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 13:35:17,266 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 13:35:17,266 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 13:35:17,267 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 13:35:17,267 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 13:35:17,267 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 13:35:17,267 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 13:35:17,267 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 13:35:17,267 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 13:35:17,267 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 13:35:17,267 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 13:35:17,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 13:35:17,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 13:35:17,267 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 13:35:17,268 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 13:35:17,268 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 13:35:17,268 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 13:35:17,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 13:35:17,268 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 13:35:17,268 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 13:35:17,268 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 13:35:17,268 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 13:35:17,268 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 -> 32a779d95d64b7b3ae1a801430dde2c7d15b3372c5d0cdd47679441a42687631 [2025-02-08 13:35:17,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 13:35:17,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 13:35:17,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 13:35:17,488 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 13:35:17,488 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 13:35:17,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i [2025-02-08 13:35:18,557 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/748076dec/0f3b62303be54568903da16e01cfeb02/FLAG1b4c4687e [2025-02-08 13:35:18,823 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 13:35:18,828 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i [2025-02-08 13:35:18,844 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/748076dec/0f3b62303be54568903da16e01cfeb02/FLAG1b4c4687e [2025-02-08 13:35:18,854 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/748076dec/0f3b62303be54568903da16e01cfeb02 [2025-02-08 13:35:18,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 13:35:18,856 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 13:35:18,857 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 13:35:18,857 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 13:35:18,860 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 13:35:18,860 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:35:18" (1/1) ... [2025-02-08 13:35:18,861 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66aefcba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:18, skipping insertion in model container [2025-02-08 13:35:18,861 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:35:18" (1/1) ... [2025-02-08 13:35:18,898 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 13:35:19,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 13:35:19,211 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 13:35:19,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 13:35:19,296 INFO L204 MainTranslator]: Completed translation [2025-02-08 13:35:19,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:19 WrapperNode [2025-02-08 13:35:19,298 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 13:35:19,298 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 13:35:19,299 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 13:35:19,299 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 13:35:19,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:19" (1/1) ... [2025-02-08 13:35:19,330 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:19" (1/1) ... [2025-02-08 13:35:19,375 INFO L138 Inliner]: procedures = 177, calls = 330, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1577 [2025-02-08 13:35:19,375 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 13:35:19,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 13:35:19,376 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 13:35:19,376 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 13:35:19,381 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:19" (1/1) ... [2025-02-08 13:35:19,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:19" (1/1) ... [2025-02-08 13:35:19,388 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:19" (1/1) ... [2025-02-08 13:35:19,452 INFO L175 MemorySlicer]: Split 303 memory accesses to 3 slices as follows [2, 267, 34]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 58, 4]. [2025-02-08 13:35:19,452 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:19" (1/1) ... [2025-02-08 13:35:19,452 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:19" (1/1) ... [2025-02-08 13:35:19,494 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:19" (1/1) ... [2025-02-08 13:35:19,496 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:19" (1/1) ... [2025-02-08 13:35:19,501 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:19" (1/1) ... [2025-02-08 13:35:19,505 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:19" (1/1) ... [2025-02-08 13:35:19,515 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 13:35:19,517 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 13:35:19,518 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 13:35:19,518 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 13:35:19,518 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:19" (1/1) ... [2025-02-08 13:35:19,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 13:35:19,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:35:19,543 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) [2025-02-08 13:35:19,552 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 [2025-02-08 13:35:19,566 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-02-08 13:35:19,566 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-02-08 13:35:19,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 13:35:19,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 13:35:19,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 13:35:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 13:35:19,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 13:35:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 13:35:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 13:35:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 13:35:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-08 13:35:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-08 13:35:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-08 13:35:19,567 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-08 13:35:19,567 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-08 13:35:19,567 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-08 13:35:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 13:35:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 13:35:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 13:35:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 13:35:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 13:35:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 13:35:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 13:35:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 13:35:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 13:35:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 13:35:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 13:35:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 13:35:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 13:35:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 13:35:19,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 13:35:19,711 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 13:35:19,713 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 13:35:20,771 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L733: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2025-02-08 13:35:20,838 INFO L? ?]: Removed 354 outVars from TransFormulas that were not future-live. [2025-02-08 13:35:20,839 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 13:35:20,870 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 13:35:20,870 INFO L337 CfgBuilder]: Removed 1 assume(true) statements. [2025-02-08 13:35:20,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:35:20 BoogieIcfgContainer [2025-02-08 13:35:20,871 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 13:35:20,872 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 13:35:20,872 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 13:35:20,875 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 13:35:20,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:35:18" (1/3) ... [2025-02-08 13:35:20,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42dff7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:35:20, skipping insertion in model container [2025-02-08 13:35:20,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:19" (2/3) ... [2025-02-08 13:35:20,876 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42dff7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:35:20, skipping insertion in model container [2025-02-08 13:35:20,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:35:20" (3/3) ... [2025-02-08 13:35:20,876 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_BER_test3-2.i [2025-02-08 13:35:20,885 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 13:35:20,886 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_BER_test3-2.i that has 6 procedures, 463 locations, 1 initial locations, 43 loop locations, and 8 error locations. [2025-02-08 13:35:20,921 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 13:35:20,927 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;@60ad1026, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 13:35:20,927 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-02-08 13:35:20,930 INFO L276 IsEmpty]: Start isEmpty. Operand has 455 states, 432 states have (on average 1.6296296296296295) internal successors, (704), 447 states have internal predecessors, (704), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 13:35:20,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-08 13:35:20,933 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:20,933 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-08 13:35:20,933 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:35:20,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:20,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1838732263, now seen corresponding path program 1 times [2025-02-08 13:35:20,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:20,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966116154] [2025-02-08 13:35:20,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:20,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:20,991 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 13:35:20,999 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 13:35:20,999 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:20,999 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:21,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:35:21,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:21,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966116154] [2025-02-08 13:35:21,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966116154] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:21,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:21,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:35:21,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307566256] [2025-02-08 13:35:21,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:21,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 13:35:21,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:21,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 13:35:21,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 13:35:21,039 INFO L87 Difference]: Start difference. First operand has 455 states, 432 states have (on average 1.6296296296296295) internal successors, (704), 447 states have internal predecessors, (704), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2025-02-08 13:35:21,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:21,115 INFO L93 Difference]: Finished difference Result 907 states and 1451 transitions. [2025-02-08 13:35:21,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 13:35:21,116 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) Word has length 6 [2025-02-08 13:35:21,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:21,122 INFO L225 Difference]: With dead ends: 907 [2025-02-08 13:35:21,122 INFO L226 Difference]: Without dead ends: 404 [2025-02-08 13:35:21,125 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 13:35:21,126 INFO L435 NwaCegarLoop]: 606 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:21,126 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 606 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:35:21,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2025-02-08 13:35:21,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2025-02-08 13:35:21,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 392 states have (on average 1.4591836734693877) internal successors, (572), 399 states have internal predecessors, (572), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:35:21,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 578 transitions. [2025-02-08 13:35:21,178 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 578 transitions. Word has length 6 [2025-02-08 13:35:21,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:21,178 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 578 transitions. [2025-02-08 13:35:21,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2025-02-08 13:35:21,179 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 578 transitions. [2025-02-08 13:35:21,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-08 13:35:21,179 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:21,179 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-08 13:35:21,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 13:35:21,179 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:35:21,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:21,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1838731302, now seen corresponding path program 1 times [2025-02-08 13:35:21,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:21,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805582162] [2025-02-08 13:35:21,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:21,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:21,190 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 13:35:21,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 13:35:21,199 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:21,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 13:35:21,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [81767998] [2025-02-08 13:35:21,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:21,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:35:21,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:35:21,203 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) [2025-02-08 13:35:21,204 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 [2025-02-08 13:35:21,306 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 13:35:21,315 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 13:35:21,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:21,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:21,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 13:35:21,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:35:21,335 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 11 treesize of output 7 [2025-02-08 13:35:21,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:35:21,354 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:35:21,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:21,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805582162] [2025-02-08 13:35:21,354 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 13:35:21,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81767998] [2025-02-08 13:35:21,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81767998] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:21,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:21,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:35:21,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775853033] [2025-02-08 13:35:21,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:21,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:35:21,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:21,356 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:35:21,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:35:21,356 INFO L87 Difference]: Start difference. First operand 404 states and 578 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2025-02-08 13:35:21,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:21,545 INFO L93 Difference]: Finished difference Result 803 states and 1151 transitions. [2025-02-08 13:35:21,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:35:21,545 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) Word has length 6 [2025-02-08 13:35:21,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:21,548 INFO L225 Difference]: With dead ends: 803 [2025-02-08 13:35:21,548 INFO L226 Difference]: Without dead ends: 801 [2025-02-08 13:35:21,548 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 13:35:21,549 INFO L435 NwaCegarLoop]: 552 mSDtfsCounter, 560 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 1612 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:21,549 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [563 Valid, 1612 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 13:35:21,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2025-02-08 13:35:21,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 410. [2025-02-08 13:35:21,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 398 states have (on average 1.4547738693467336) internal successors, (579), 405 states have internal predecessors, (579), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:35:21,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 585 transitions. [2025-02-08 13:35:21,563 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 585 transitions. Word has length 6 [2025-02-08 13:35:21,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:21,563 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 585 transitions. [2025-02-08 13:35:21,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2025-02-08 13:35:21,563 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 585 transitions. [2025-02-08 13:35:21,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-02-08 13:35:21,564 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:21,564 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:35:21,571 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-08 13:35:21,764 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 [2025-02-08 13:35:21,765 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:35:21,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:21,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1927658077, now seen corresponding path program 1 times [2025-02-08 13:35:21,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:21,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194837908] [2025-02-08 13:35:21,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:21,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:21,784 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 13:35:21,788 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 13:35:21,789 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:21,789 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:21,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:35:21,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:21,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194837908] [2025-02-08 13:35:21,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194837908] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:21,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:21,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 13:35:21,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585950962] [2025-02-08 13:35:21,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:21,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:35:21,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:21,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:35:21,884 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:35:21,884 INFO L87 Difference]: Start difference. First operand 410 states and 585 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2025-02-08 13:35:22,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:22,174 INFO L93 Difference]: Finished difference Result 998 states and 1432 transitions. [2025-02-08 13:35:22,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:35:22,174 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) Word has length 9 [2025-02-08 13:35:22,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:22,178 INFO L225 Difference]: With dead ends: 998 [2025-02-08 13:35:22,179 INFO L226 Difference]: Without dead ends: 800 [2025-02-08 13:35:22,179 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 13:35:22,180 INFO L435 NwaCegarLoop]: 554 mSDtfsCounter, 561 mSDsluCounter, 1063 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 1617 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:22,181 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [564 Valid, 1617 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 13:35:22,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2025-02-08 13:35:22,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 410. [2025-02-08 13:35:22,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 398 states have (on average 1.4522613065326633) internal successors, (578), 405 states have internal predecessors, (578), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:35:22,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 584 transitions. [2025-02-08 13:35:22,206 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 584 transitions. Word has length 9 [2025-02-08 13:35:22,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:22,206 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 584 transitions. [2025-02-08 13:35:22,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2025-02-08 13:35:22,207 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 584 transitions. [2025-02-08 13:35:22,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-02-08 13:35:22,209 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:22,209 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:35:22,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 13:35:22,209 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:35:22,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:22,210 INFO L85 PathProgramCache]: Analyzing trace with hash -719194314, now seen corresponding path program 1 times [2025-02-08 13:35:22,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:22,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154226150] [2025-02-08 13:35:22,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:22,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:22,267 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-02-08 13:35:22,285 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-02-08 13:35:22,286 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:22,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:22,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:35:22,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:22,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154226150] [2025-02-08 13:35:22,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154226150] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:22,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:22,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 13:35:22,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829980777] [2025-02-08 13:35:22,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:22,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:35:22,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:22,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:35:22,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:35:22,489 INFO L87 Difference]: Start difference. First operand 410 states and 584 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2025-02-08 13:35:22,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:22,628 INFO L93 Difference]: Finished difference Result 816 states and 1164 transitions. [2025-02-08 13:35:22,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:35:22,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) Word has length 79 [2025-02-08 13:35:22,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:22,630 INFO L225 Difference]: With dead ends: 816 [2025-02-08 13:35:22,630 INFO L226 Difference]: Without dead ends: 413 [2025-02-08 13:35:22,631 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 13:35:22,631 INFO L435 NwaCegarLoop]: 509 mSDtfsCounter, 105 mSDsluCounter, 934 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1443 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:22,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1443 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:35:22,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2025-02-08 13:35:22,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 410. [2025-02-08 13:35:22,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 398 states have (on average 1.434673366834171) internal successors, (571), 405 states have internal predecessors, (571), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:35:22,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 577 transitions. [2025-02-08 13:35:22,646 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 577 transitions. Word has length 79 [2025-02-08 13:35:22,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:22,646 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 577 transitions. [2025-02-08 13:35:22,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2025-02-08 13:35:22,646 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 577 transitions. [2025-02-08 13:35:22,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-02-08 13:35:22,648 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:22,648 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:35:22,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 13:35:22,649 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:35:22,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:22,649 INFO L85 PathProgramCache]: Analyzing trace with hash -174518928, now seen corresponding path program 1 times [2025-02-08 13:35:22,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:22,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297343644] [2025-02-08 13:35:22,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:22,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:22,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-02-08 13:35:22,693 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-02-08 13:35:22,693 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:22,693 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:22,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:35:22,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:22,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297343644] [2025-02-08 13:35:22,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297343644] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:22,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:22,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:35:22,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462659322] [2025-02-08 13:35:22,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:22,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:35:22,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:22,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:35:22,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:35:22,813 INFO L87 Difference]: Start difference. First operand 410 states and 577 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 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) [2025-02-08 13:35:22,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:22,969 INFO L93 Difference]: Finished difference Result 1114 states and 1586 transitions. [2025-02-08 13:35:22,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:35:22,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 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) Word has length 79 [2025-02-08 13:35:22,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:22,972 INFO L225 Difference]: With dead ends: 1114 [2025-02-08 13:35:22,972 INFO L226 Difference]: Without dead ends: 711 [2025-02-08 13:35:22,972 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:35:22,973 INFO L435 NwaCegarLoop]: 706 mSDtfsCounter, 383 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 1211 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:22,973 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 1211 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:35:22,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2025-02-08 13:35:22,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 697. [2025-02-08 13:35:22,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 697 states, 685 states have (on average 1.454014598540146) internal successors, (996), 692 states have internal predecessors, (996), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:35:22,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 1002 transitions. [2025-02-08 13:35:22,990 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 1002 transitions. Word has length 79 [2025-02-08 13:35:22,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:22,990 INFO L471 AbstractCegarLoop]: Abstraction has 697 states and 1002 transitions. [2025-02-08 13:35:22,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 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) [2025-02-08 13:35:22,991 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1002 transitions. [2025-02-08 13:35:22,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-02-08 13:35:22,992 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:22,993 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:35:22,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 13:35:22,993 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:35:22,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:22,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1346439487, now seen corresponding path program 1 times [2025-02-08 13:35:22,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:22,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075546120] [2025-02-08 13:35:22,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:22,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:23,027 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-02-08 13:35:23,044 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-02-08 13:35:23,044 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:23,044 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:23,382 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:35:23,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:23,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075546120] [2025-02-08 13:35:23,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075546120] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:23,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:23,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 13:35:23,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226045584] [2025-02-08 13:35:23,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:23,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:35:23,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:23,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:35:23,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:35:23,384 INFO L87 Difference]: Start difference. First operand 697 states and 1002 transitions. Second operand has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:35:23,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:23,568 INFO L93 Difference]: Finished difference Result 992 states and 1415 transitions. [2025-02-08 13:35:23,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:35:23,569 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 94 [2025-02-08 13:35:23,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:23,573 INFO L225 Difference]: With dead ends: 992 [2025-02-08 13:35:23,573 INFO L226 Difference]: Without dead ends: 990 [2025-02-08 13:35:23,573 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 13:35:23,574 INFO L435 NwaCegarLoop]: 547 mSDtfsCounter, 469 mSDsluCounter, 1048 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 1595 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:23,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 1595 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 13:35:23,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2025-02-08 13:35:23,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 760. [2025-02-08 13:35:23,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 760 states, 745 states have (on average 1.440268456375839) internal successors, (1073), 752 states have internal predecessors, (1073), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 13:35:23,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1085 transitions. [2025-02-08 13:35:23,601 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1085 transitions. Word has length 94 [2025-02-08 13:35:23,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:23,602 INFO L471 AbstractCegarLoop]: Abstraction has 760 states and 1085 transitions. [2025-02-08 13:35:23,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:35:23,602 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1085 transitions. [2025-02-08 13:35:23,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-02-08 13:35:23,606 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:23,606 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:35:23,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 13:35:23,606 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:35:23,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:23,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1440121263, now seen corresponding path program 1 times [2025-02-08 13:35:23,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:23,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377030788] [2025-02-08 13:35:23,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:23,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:23,650 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-02-08 13:35:23,790 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-02-08 13:35:23,790 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:23,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:23,961 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 13:35:23,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:23,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377030788] [2025-02-08 13:35:23,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377030788] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:35:23,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207515208] [2025-02-08 13:35:23,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:23,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:35:23,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:35:23,967 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) [2025-02-08 13:35:23,972 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 [2025-02-08 13:35:24,123 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-02-08 13:35:24,201 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-02-08 13:35:24,201 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:24,201 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:24,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-02-08 13:35:24,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:35:24,212 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 11 treesize of output 7 [2025-02-08 13:35:24,225 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 11 treesize of output 7 [2025-02-08 13:35:24,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2025-02-08 13:35:24,772 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:35:24,773 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:35:24,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207515208] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:24,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:35:24,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 13 [2025-02-08 13:35:24,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848865612] [2025-02-08 13:35:24,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:24,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 13:35:24,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:24,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 13:35:24,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-02-08 13:35:24,774 INFO L87 Difference]: Start difference. First operand 760 states and 1085 transitions. Second operand has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:35:26,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:26,046 INFO L93 Difference]: Finished difference Result 1712 states and 2439 transitions. [2025-02-08 13:35:26,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 13:35:26,047 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 100 [2025-02-08 13:35:26,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:26,050 INFO L225 Difference]: With dead ends: 1712 [2025-02-08 13:35:26,050 INFO L226 Difference]: Without dead ends: 1038 [2025-02-08 13:35:26,051 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2025-02-08 13:35:26,052 INFO L435 NwaCegarLoop]: 547 mSDtfsCounter, 830 mSDsluCounter, 2223 mSDsCounter, 0 mSdLazyCounter, 975 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 832 SdHoareTripleChecker+Valid, 2770 SdHoareTripleChecker+Invalid, 980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:26,052 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [832 Valid, 2770 Invalid, 980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 975 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-08 13:35:26,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2025-02-08 13:35:26,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 785. [2025-02-08 13:35:26,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 770 states have (on average 1.4324675324675324) internal successors, (1103), 777 states have internal predecessors, (1103), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 13:35:26,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1115 transitions. [2025-02-08 13:35:26,069 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1115 transitions. Word has length 100 [2025-02-08 13:35:26,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:26,069 INFO L471 AbstractCegarLoop]: Abstraction has 785 states and 1115 transitions. [2025-02-08 13:35:26,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:35:26,070 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1115 transitions. [2025-02-08 13:35:26,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-02-08 13:35:26,070 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:26,070 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:35:26,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 13:35:26,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:35:26,271 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:35:26,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:26,272 INFO L85 PathProgramCache]: Analyzing trace with hash -540580926, now seen corresponding path program 1 times [2025-02-08 13:35:26,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:26,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479497003] [2025-02-08 13:35:26,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:26,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:26,314 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-08 13:35:26,379 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-08 13:35:26,379 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:26,379 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:26,547 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 13:35:26,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:26,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479497003] [2025-02-08 13:35:26,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479497003] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:35:26,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772192615] [2025-02-08 13:35:26,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:26,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:35:26,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:35:26,550 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) [2025-02-08 13:35:26,555 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 [2025-02-08 13:35:26,715 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-08 13:35:26,801 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-08 13:35:26,802 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:26,802 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:26,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 13:35:26,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:35:27,006 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:35:27,006 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:35:27,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772192615] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:27,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:35:27,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2025-02-08 13:35:27,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064824219] [2025-02-08 13:35:27,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:27,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 13:35:27,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:27,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 13:35:27,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 13:35:27,007 INFO L87 Difference]: Start difference. First operand 785 states and 1115 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 7 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:35:27,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:27,510 INFO L93 Difference]: Finished difference Result 1510 states and 2152 transitions. [2025-02-08 13:35:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 13:35:27,511 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 7 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 101 [2025-02-08 13:35:27,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:27,513 INFO L225 Difference]: With dead ends: 1510 [2025-02-08 13:35:27,513 INFO L226 Difference]: Without dead ends: 836 [2025-02-08 13:35:27,514 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 13:35:27,515 INFO L435 NwaCegarLoop]: 512 mSDtfsCounter, 15 mSDsluCounter, 2013 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2525 SdHoareTripleChecker+Invalid, 907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:27,515 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2525 Invalid, 907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 13:35:27,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2025-02-08 13:35:27,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 828. [2025-02-08 13:35:27,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 828 states, 813 states have (on average 1.4243542435424354) internal successors, (1158), 820 states have internal predecessors, (1158), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 13:35:27,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1170 transitions. [2025-02-08 13:35:27,530 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1170 transitions. Word has length 101 [2025-02-08 13:35:27,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:27,531 INFO L471 AbstractCegarLoop]: Abstraction has 828 states and 1170 transitions. [2025-02-08 13:35:27,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 7 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:35:27,531 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1170 transitions. [2025-02-08 13:35:27,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-08 13:35:27,532 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:27,532 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:35:27,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 13:35:27,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:35:27,733 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:35:27,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:27,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1645283774, now seen corresponding path program 1 times [2025-02-08 13:35:27,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:27,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030978461] [2025-02-08 13:35:27,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:27,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:27,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 13:35:27,799 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 13:35:27,800 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:27,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:27,963 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:35:27,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:27,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030978461] [2025-02-08 13:35:27,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030978461] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:27,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:27,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 13:35:27,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611312396] [2025-02-08 13:35:27,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:27,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 13:35:27,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:27,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 13:35:27,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-08 13:35:27,965 INFO L87 Difference]: Start difference. First operand 828 states and 1170 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:35:28,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:28,452 INFO L93 Difference]: Finished difference Result 1542 states and 2187 transitions. [2025-02-08 13:35:28,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 13:35:28,452 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 103 [2025-02-08 13:35:28,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:28,455 INFO L225 Difference]: With dead ends: 1542 [2025-02-08 13:35:28,455 INFO L226 Difference]: Without dead ends: 844 [2025-02-08 13:35:28,455 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-08 13:35:28,456 INFO L435 NwaCegarLoop]: 517 mSDtfsCounter, 12 mSDsluCounter, 2014 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2531 SdHoareTripleChecker+Invalid, 932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:28,456 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2531 Invalid, 932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 13:35:28,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2025-02-08 13:35:28,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 830. [2025-02-08 13:35:28,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 830 states, 815 states have (on average 1.4257668711656442) internal successors, (1162), 822 states have internal predecessors, (1162), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 13:35:28,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1174 transitions. [2025-02-08 13:35:28,470 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1174 transitions. Word has length 103 [2025-02-08 13:35:28,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:28,470 INFO L471 AbstractCegarLoop]: Abstraction has 830 states and 1174 transitions. [2025-02-08 13:35:28,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:35:28,470 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1174 transitions. [2025-02-08 13:35:28,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-08 13:35:28,471 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:28,471 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:35:28,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 13:35:28,471 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:35:28,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:28,471 INFO L85 PathProgramCache]: Analyzing trace with hash -440294057, now seen corresponding path program 1 times [2025-02-08 13:35:28,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:28,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492967093] [2025-02-08 13:35:28,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:28,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:28,509 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 13:35:28,527 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 13:35:28,527 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:28,527 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:28,713 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:35:28,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:28,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492967093] [2025-02-08 13:35:28,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492967093] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:28,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:28,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 13:35:28,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304734554] [2025-02-08 13:35:28,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:28,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 13:35:28,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:28,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 13:35:28,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 13:35:28,715 INFO L87 Difference]: Start difference. First operand 830 states and 1174 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:35:29,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:29,116 INFO L93 Difference]: Finished difference Result 1546 states and 2193 transitions. [2025-02-08 13:35:29,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 13:35:29,117 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 103 [2025-02-08 13:35:29,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:29,119 INFO L225 Difference]: With dead ends: 1546 [2025-02-08 13:35:29,119 INFO L226 Difference]: Without dead ends: 836 [2025-02-08 13:35:29,120 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 13:35:29,120 INFO L435 NwaCegarLoop]: 520 mSDtfsCounter, 8 mSDsluCounter, 1608 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2128 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:29,120 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2128 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 730 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 13:35:29,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2025-02-08 13:35:29,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 836. [2025-02-08 13:35:29,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 821 states have (on average 1.4226552984165652) internal successors, (1168), 828 states have internal predecessors, (1168), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 13:35:29,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1180 transitions. [2025-02-08 13:35:29,134 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1180 transitions. Word has length 103 [2025-02-08 13:35:29,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:29,134 INFO L471 AbstractCegarLoop]: Abstraction has 836 states and 1180 transitions. [2025-02-08 13:35:29,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:35:29,134 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1180 transitions. [2025-02-08 13:35:29,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-08 13:35:29,135 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:29,135 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:35:29,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-08 13:35:29,135 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:35:29,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:29,135 INFO L85 PathProgramCache]: Analyzing trace with hash 948343429, now seen corresponding path program 1 times [2025-02-08 13:35:29,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:29,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939953078] [2025-02-08 13:35:29,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:29,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:29,161 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-08 13:35:29,177 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-08 13:35:29,177 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:29,177 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:29,374 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:35:29,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:29,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939953078] [2025-02-08 13:35:29,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939953078] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:29,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:29,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-02-08 13:35:29,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623931252] [2025-02-08 13:35:29,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:29,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 13:35:29,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:29,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 13:35:29,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-02-08 13:35:29,376 INFO L87 Difference]: Start difference. First operand 836 states and 1180 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:35:29,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:29,865 INFO L93 Difference]: Finished difference Result 1559 states and 2204 transitions. [2025-02-08 13:35:29,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 13:35:29,865 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2025-02-08 13:35:29,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:29,868 INFO L225 Difference]: With dead ends: 1559 [2025-02-08 13:35:29,868 INFO L226 Difference]: Without dead ends: 862 [2025-02-08 13:35:29,869 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-02-08 13:35:29,869 INFO L435 NwaCegarLoop]: 512 mSDtfsCounter, 20 mSDsluCounter, 2555 mSDsCounter, 0 mSdLazyCounter, 977 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 3067 SdHoareTripleChecker+Invalid, 978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 977 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:29,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 3067 Invalid, 978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 977 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 13:35:29,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2025-02-08 13:35:29,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 850. [2025-02-08 13:35:29,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 835 states have (on average 1.4203592814371258) internal successors, (1186), 842 states have internal predecessors, (1186), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 13:35:29,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1198 transitions. [2025-02-08 13:35:29,883 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1198 transitions. Word has length 104 [2025-02-08 13:35:29,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:29,883 INFO L471 AbstractCegarLoop]: Abstraction has 850 states and 1198 transitions. [2025-02-08 13:35:29,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:35:29,884 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1198 transitions. [2025-02-08 13:35:29,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-08 13:35:29,884 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:29,884 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:35:29,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-08 13:35:29,885 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:35:29,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:29,885 INFO L85 PathProgramCache]: Analyzing trace with hash 530312383, now seen corresponding path program 1 times [2025-02-08 13:35:29,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:29,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130085503] [2025-02-08 13:35:29,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:29,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:29,910 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-08 13:35:30,010 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-08 13:35:30,010 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:30,010 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:30,108 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 13:35:30,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:30,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130085503] [2025-02-08 13:35:30,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130085503] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:35:30,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666363058] [2025-02-08 13:35:30,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:30,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:35:30,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:35:30,110 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) [2025-02-08 13:35:30,114 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 [2025-02-08 13:35:30,294 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-08 13:35:30,366 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-08 13:35:30,367 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:30,367 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:30,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 13:35:30,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:35:30,440 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:35:30,443 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:35:30,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666363058] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:30,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:35:30,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2025-02-08 13:35:30,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874784219] [2025-02-08 13:35:30,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:30,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 13:35:30,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:30,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 13:35:30,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 13:35:30,444 INFO L87 Difference]: Start difference. First operand 850 states and 1198 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:35:30,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:30,883 INFO L93 Difference]: Finished difference Result 1582 states and 2237 transitions. [2025-02-08 13:35:30,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 13:35:30,884 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2025-02-08 13:35:30,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:30,886 INFO L225 Difference]: With dead ends: 1582 [2025-02-08 13:35:30,886 INFO L226 Difference]: Without dead ends: 878 [2025-02-08 13:35:30,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-02-08 13:35:30,887 INFO L435 NwaCegarLoop]: 507 mSDtfsCounter, 40 mSDsluCounter, 2096 mSDsCounter, 0 mSdLazyCounter, 835 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 2603 SdHoareTripleChecker+Invalid, 839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:30,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 2603 Invalid, 839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 835 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 13:35:30,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2025-02-08 13:35:30,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 864. [2025-02-08 13:35:30,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 864 states, 849 states have (on average 1.4204946996466432) internal successors, (1206), 856 states have internal predecessors, (1206), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 13:35:30,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1218 transitions. [2025-02-08 13:35:30,919 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1218 transitions. Word has length 104 [2025-02-08 13:35:30,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:30,919 INFO L471 AbstractCegarLoop]: Abstraction has 864 states and 1218 transitions. [2025-02-08 13:35:30,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:35:30,919 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1218 transitions. [2025-02-08 13:35:30,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-02-08 13:35:30,920 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:30,920 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:35:30,928 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 13:35:31,120 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,SelfDestructingSolverStorable11 [2025-02-08 13:35:31,121 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:35:31,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:31,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1427713929, now seen corresponding path program 1 times [2025-02-08 13:35:31,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:31,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449881718] [2025-02-08 13:35:31,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:31,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:31,147 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-08 13:35:31,161 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-08 13:35:31,161 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:31,161 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:31,370 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:35:31,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:31,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449881718] [2025-02-08 13:35:31,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449881718] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:31,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:31,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-02-08 13:35:31,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308570770] [2025-02-08 13:35:31,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:31,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 13:35:31,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:31,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 13:35:31,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-02-08 13:35:31,372 INFO L87 Difference]: Start difference. First operand 864 states and 1218 transitions. Second operand has 10 states, 10 states have (on average 9.8) internal successors, (98), 10 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:35:31,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:31,946 INFO L93 Difference]: Finished difference Result 1598 states and 2259 transitions. [2025-02-08 13:35:31,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 13:35:31,946 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.8) internal successors, (98), 10 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2025-02-08 13:35:31,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:31,949 INFO L225 Difference]: With dead ends: 1598 [2025-02-08 13:35:31,949 INFO L226 Difference]: Without dead ends: 882 [2025-02-08 13:35:31,950 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2025-02-08 13:35:31,951 INFO L435 NwaCegarLoop]: 518 mSDtfsCounter, 26 mSDsluCounter, 2499 mSDsCounter, 0 mSdLazyCounter, 1125 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 3017 SdHoareTripleChecker+Invalid, 1126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:31,951 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 3017 Invalid, 1126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1125 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 13:35:31,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2025-02-08 13:35:31,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 870. [2025-02-08 13:35:31,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 870 states, 855 states have (on average 1.4175438596491228) internal successors, (1212), 862 states have internal predecessors, (1212), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 13:35:31,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1224 transitions. [2025-02-08 13:35:31,966 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1224 transitions. Word has length 105 [2025-02-08 13:35:31,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:31,968 INFO L471 AbstractCegarLoop]: Abstraction has 870 states and 1224 transitions. [2025-02-08 13:35:31,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.8) internal successors, (98), 10 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:35:31,968 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1224 transitions. [2025-02-08 13:35:31,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-02-08 13:35:31,969 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:31,969 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:35:31,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-08 13:35:31,969 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:35:31,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:31,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1725517727, now seen corresponding path program 1 times [2025-02-08 13:35:31,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:31,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578424522] [2025-02-08 13:35:31,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:31,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:32,001 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-08 13:35:32,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-08 13:35:32,053 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:32,053 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:32,142 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 13:35:32,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:32,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578424522] [2025-02-08 13:35:32,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578424522] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:35:32,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993955964] [2025-02-08 13:35:32,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:32,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:35:32,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:35:32,147 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) [2025-02-08 13:35:32,148 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 [2025-02-08 13:35:32,341 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-08 13:35:32,490 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-08 13:35:32,490 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:32,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:32,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-08 13:35:32,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:35:32,645 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:35:32,647 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:35:32,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993955964] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:32,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:35:32,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2025-02-08 13:35:32,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595369290] [2025-02-08 13:35:32,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:32,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 13:35:32,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:32,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 13:35:32,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 13:35:32,649 INFO L87 Difference]: Start difference. First operand 870 states and 1224 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:35:33,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:33,240 INFO L93 Difference]: Finished difference Result 1599 states and 2258 transitions. [2025-02-08 13:35:33,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 13:35:33,241 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2025-02-08 13:35:33,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:33,244 INFO L225 Difference]: With dead ends: 1599 [2025-02-08 13:35:33,244 INFO L226 Difference]: Without dead ends: 880 [2025-02-08 13:35:33,245 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 13:35:33,245 INFO L435 NwaCegarLoop]: 517 mSDtfsCounter, 10 mSDsluCounter, 2014 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2531 SdHoareTripleChecker+Invalid, 932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:33,245 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2531 Invalid, 932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 13:35:33,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2025-02-08 13:35:33,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 870. [2025-02-08 13:35:33,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 870 states, 855 states have (on average 1.4175438596491228) internal successors, (1212), 862 states have internal predecessors, (1212), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 13:35:33,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1224 transitions. [2025-02-08 13:35:33,259 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1224 transitions. Word has length 105 [2025-02-08 13:35:33,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:33,259 INFO L471 AbstractCegarLoop]: Abstraction has 870 states and 1224 transitions. [2025-02-08 13:35:33,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:35:33,259 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1224 transitions. [2025-02-08 13:35:33,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-02-08 13:35:33,260 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:33,260 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:35:33,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 13:35:33,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-02-08 13:35:33,461 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:35:33,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:33,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1501774467, now seen corresponding path program 1 times [2025-02-08 13:35:33,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:33,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959928754] [2025-02-08 13:35:33,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:33,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:33,489 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-08 13:35:33,534 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-08 13:35:33,534 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:33,535 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:33,620 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 13:35:33,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:33,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959928754] [2025-02-08 13:35:33,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959928754] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:35:33,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685822283] [2025-02-08 13:35:33,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:33,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:35:33,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:35:33,623 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) [2025-02-08 13:35:33,624 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 [2025-02-08 13:35:33,846 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-08 13:35:33,924 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-08 13:35:33,925 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:33,925 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:33,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 13:35:33,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:35:33,941 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:35:33,941 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:35:33,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685822283] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:33,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:35:33,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2025-02-08 13:35:33,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479537150] [2025-02-08 13:35:33,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:33,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:35:33,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:33,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:35:33,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 13:35:33,942 INFO L87 Difference]: Start difference. First operand 870 states and 1224 transitions. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 13:35:34,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:34,027 INFO L93 Difference]: Finished difference Result 1552 states and 2192 transitions. [2025-02-08 13:35:34,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:35:34,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 105 [2025-02-08 13:35:34,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:34,033 INFO L225 Difference]: With dead ends: 1552 [2025-02-08 13:35:34,033 INFO L226 Difference]: Without dead ends: 873 [2025-02-08 13:35:34,034 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 13:35:34,039 INFO L435 NwaCegarLoop]: 526 mSDtfsCounter, 0 mSDsluCounter, 1048 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1574 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:34,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1574 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:35:34,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2025-02-08 13:35:34,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 873. [2025-02-08 13:35:34,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 873 states, 857 states have (on average 1.4177362893815635) internal successors, (1215), 865 states have internal predecessors, (1215), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-08 13:35:34,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 873 states and 1229 transitions. [2025-02-08 13:35:34,056 INFO L78 Accepts]: Start accepts. Automaton has 873 states and 1229 transitions. Word has length 105 [2025-02-08 13:35:34,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:34,056 INFO L471 AbstractCegarLoop]: Abstraction has 873 states and 1229 transitions. [2025-02-08 13:35:34,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 13:35:34,056 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1229 transitions. [2025-02-08 13:35:34,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-02-08 13:35:34,057 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:34,057 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:35:34,065 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 [2025-02-08 13:35:34,262 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,SelfDestructingSolverStorable14 [2025-02-08 13:35:34,263 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:35:34,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:34,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1298205985, now seen corresponding path program 1 times [2025-02-08 13:35:34,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:34,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666076949] [2025-02-08 13:35:34,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:34,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:34,300 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-08 13:35:34,423 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-08 13:35:34,423 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:34,424 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:34,571 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 13:35:34,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:34,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666076949] [2025-02-08 13:35:34,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666076949] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:35:34,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623196176] [2025-02-08 13:35:34,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:34,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:35:34,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:35:34,577 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) [2025-02-08 13:35:34,584 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 [2025-02-08 13:35:34,810 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-08 13:35:34,936 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-08 13:35:34,936 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:34,936 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:34,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 13:35:34,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:35:34,962 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 13:35:34,962 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 13:35:35,005 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 13:35:35,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623196176] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 13:35:35,006 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 13:35:35,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-02-08 13:35:35,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866181774] [2025-02-08 13:35:35,006 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 13:35:35,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 13:35:35,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:35,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 13:35:35,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-02-08 13:35:35,007 INFO L87 Difference]: Start difference. First operand 873 states and 1229 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 9 states have internal predecessors, (113), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 13:35:35,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:35,197 INFO L93 Difference]: Finished difference Result 1566 states and 2216 transitions. [2025-02-08 13:35:35,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 13:35:35,197 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 9 states have internal predecessors, (113), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 107 [2025-02-08 13:35:35,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:35,200 INFO L225 Difference]: With dead ends: 1566 [2025-02-08 13:35:35,200 INFO L226 Difference]: Without dead ends: 884 [2025-02-08 13:35:35,200 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2025-02-08 13:35:35,201 INFO L435 NwaCegarLoop]: 526 mSDtfsCounter, 5 mSDsluCounter, 2614 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 3140 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:35,202 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 3140 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 13:35:35,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2025-02-08 13:35:35,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 882. [2025-02-08 13:35:35,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 882 states, 865 states have (on average 1.4208092485549133) internal successors, (1229), 873 states have internal predecessors, (1229), 6 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-08 13:35:35,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1243 transitions. [2025-02-08 13:35:35,217 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1243 transitions. Word has length 107 [2025-02-08 13:35:35,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:35,217 INFO L471 AbstractCegarLoop]: Abstraction has 882 states and 1243 transitions. [2025-02-08 13:35:35,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 9 states have internal predecessors, (113), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 13:35:35,218 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1243 transitions. [2025-02-08 13:35:35,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-02-08 13:35:35,218 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:35,219 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:35:35,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-08 13:35:35,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:35:35,421 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:35:35,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:35,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1875107235, now seen corresponding path program 2 times [2025-02-08 13:35:35,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:35,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409149157] [2025-02-08 13:35:35,422 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 13:35:35,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:35,455 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 111 statements into 2 equivalence classes. [2025-02-08 13:35:35,548 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 111 of 111 statements. [2025-02-08 13:35:35,548 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 13:35:35,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:35,736 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:35:35,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:35,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409149157] [2025-02-08 13:35:35,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409149157] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:35:35,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417063576] [2025-02-08 13:35:35,737 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 13:35:35,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:35:35,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:35:35,741 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 13:35:35,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 13:35:35,980 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 111 statements into 2 equivalence classes. [2025-02-08 13:35:35,989 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 111 statements. [2025-02-08 13:35:35,989 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 13:35:35,989 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:35,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 13:35:35,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:35:36,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2025-02-08 13:35:36,008 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-02-08 13:35:36,008 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:35:36,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417063576] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:36,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:35:36,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2025-02-08 13:35:36,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423086226] [2025-02-08 13:35:36,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:36,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:35:36,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:36,009 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:35:36,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-02-08 13:35:36,010 INFO L87 Difference]: Start difference. First operand 882 states and 1243 transitions. Second operand has 3 states, 2 states have (on average 48.0) internal successors, (96), 3 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:35:36,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:36,072 INFO L93 Difference]: Finished difference Result 882 states and 1243 transitions. [2025-02-08 13:35:36,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:35:36,072 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 48.0) internal successors, (96), 3 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 111 [2025-02-08 13:35:36,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:36,074 INFO L225 Difference]: With dead ends: 882 [2025-02-08 13:35:36,074 INFO L226 Difference]: Without dead ends: 881 [2025-02-08 13:35:36,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-02-08 13:35:36,075 INFO L435 NwaCegarLoop]: 525 mSDtfsCounter, 1 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1048 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:36,075 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1048 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:35:36,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2025-02-08 13:35:36,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 881. [2025-02-08 13:35:36,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 865 states have (on average 1.4196531791907514) internal successors, (1228), 872 states have internal predecessors, (1228), 6 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-08 13:35:36,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1242 transitions. [2025-02-08 13:35:36,090 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1242 transitions. Word has length 111 [2025-02-08 13:35:36,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:36,090 INFO L471 AbstractCegarLoop]: Abstraction has 881 states and 1242 transitions. [2025-02-08 13:35:36,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 48.0) internal successors, (96), 3 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:35:36,090 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1242 transitions. [2025-02-08 13:35:36,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-02-08 13:35:36,091 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:36,091 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:35:36,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-08 13:35:36,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-02-08 13:35:36,292 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:35:36,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:36,293 INFO L85 PathProgramCache]: Analyzing trace with hash 2001218595, now seen corresponding path program 1 times [2025-02-08 13:35:36,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:36,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047305115] [2025-02-08 13:35:36,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:36,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:36,342 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-02-08 13:35:36,406 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-02-08 13:35:36,407 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:36,407 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:36,575 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:35:36,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:36,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047305115] [2025-02-08 13:35:36,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047305115] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:35:36,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465696674] [2025-02-08 13:35:36,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:36,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:35:36,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:35:36,578 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 13:35:36,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 13:35:36,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-02-08 13:35:36,975 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-02-08 13:35:36,975 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:36,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:36,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-08 13:35:36,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:35:37,101 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-02-08 13:35:37,101 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 13:35:37,293 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:35:37,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465696674] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 13:35:37,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 13:35:37,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 8] total 19 [2025-02-08 13:35:37,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546076429] [2025-02-08 13:35:37,293 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 13:35:37,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-02-08 13:35:37,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:37,294 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-02-08 13:35:37,294 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=232, Unknown=0, NotChecked=0, Total=342 [2025-02-08 13:35:37,295 INFO L87 Difference]: Start difference. First operand 881 states and 1242 transitions. Second operand has 19 states, 19 states have (on average 6.578947368421052) internal successors, (125), 19 states have internal predecessors, (125), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 13:35:37,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:37,784 INFO L93 Difference]: Finished difference Result 1544 states and 2186 transitions. [2025-02-08 13:35:37,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-02-08 13:35:37,785 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.578947368421052) internal successors, (125), 19 states have internal predecessors, (125), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 112 [2025-02-08 13:35:37,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:37,787 INFO L225 Difference]: With dead ends: 1544 [2025-02-08 13:35:37,787 INFO L226 Difference]: Without dead ends: 722 [2025-02-08 13:35:37,788 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=267, Invalid=489, Unknown=0, NotChecked=0, Total=756 [2025-02-08 13:35:37,788 INFO L435 NwaCegarLoop]: 447 mSDtfsCounter, 32 mSDsluCounter, 2656 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 3103 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:37,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 3103 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 13:35:37,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2025-02-08 13:35:37,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 722. [2025-02-08 13:35:37,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 706 states have (on average 1.4008498583569404) internal successors, (989), 713 states have internal predecessors, (989), 6 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-08 13:35:37,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 1003 transitions. [2025-02-08 13:35:37,800 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 1003 transitions. Word has length 112 [2025-02-08 13:35:37,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:37,800 INFO L471 AbstractCegarLoop]: Abstraction has 722 states and 1003 transitions. [2025-02-08 13:35:37,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.578947368421052) internal successors, (125), 19 states have internal predecessors, (125), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 13:35:37,800 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 1003 transitions. [2025-02-08 13:35:37,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-02-08 13:35:37,801 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:37,801 INFO L218 NwaCegarLoop]: trace histogram [12, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:35:37,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-08 13:35:38,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-02-08 13:35:38,002 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:35:38,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:38,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1176013763, now seen corresponding path program 2 times [2025-02-08 13:35:38,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:38,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114906806] [2025-02-08 13:35:38,003 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 13:35:38,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:38,035 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 118 statements into 2 equivalence classes. [2025-02-08 13:35:38,115 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 118 of 118 statements. [2025-02-08 13:35:38,116 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 13:35:38,116 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:38,447 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 6 proven. 90 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:35:38,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:38,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114906806] [2025-02-08 13:35:38,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114906806] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:35:38,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251851144] [2025-02-08 13:35:38,447 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 13:35:38,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:35:38,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:35:38,452 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 13:35:38,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 13:35:38,708 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 118 statements into 2 equivalence classes. [2025-02-08 13:35:39,264 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 118 of 118 statements. [2025-02-08 13:35:39,264 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 13:35:39,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:39,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-02-08 13:35:39,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:35:39,449 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 42 proven. 55 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-02-08 13:35:39,450 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 13:35:39,592 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 41 proven. 3 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-02-08 13:35:39,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251851144] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 13:35:39,592 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 13:35:39,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 6] total 29 [2025-02-08 13:35:39,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691335455] [2025-02-08 13:35:39,592 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 13:35:39,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-02-08 13:35:39,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:39,593 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-02-08 13:35:39,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=667, Unknown=0, NotChecked=0, Total=812 [2025-02-08 13:35:39,594 INFO L87 Difference]: Start difference. First operand 722 states and 1003 transitions. Second operand has 29 states, 29 states have (on average 4.689655172413793) internal successors, (136), 29 states have internal predecessors, (136), 2 states have call successors, (4), 2 states have call predecessors, (4), 5 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 13:35:40,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:40,300 INFO L93 Difference]: Finished difference Result 1353 states and 1899 transitions. [2025-02-08 13:35:40,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-02-08 13:35:40,301 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 4.689655172413793) internal successors, (136), 29 states have internal predecessors, (136), 2 states have call successors, (4), 2 states have call predecessors, (4), 5 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 118 [2025-02-08 13:35:40,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:40,303 INFO L225 Difference]: With dead ends: 1353 [2025-02-08 13:35:40,304 INFO L226 Difference]: Without dead ends: 736 [2025-02-08 13:35:40,305 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 576 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=534, Invalid=2436, Unknown=0, NotChecked=0, Total=2970 [2025-02-08 13:35:40,305 INFO L435 NwaCegarLoop]: 457 mSDtfsCounter, 33 mSDsluCounter, 3182 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 3639 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:40,305 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 3639 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 817 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 13:35:40,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2025-02-08 13:35:40,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 732. [2025-02-08 13:35:40,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 716 states have (on average 1.4078212290502794) internal successors, (1008), 723 states have internal predecessors, (1008), 6 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-08 13:35:40,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1022 transitions. [2025-02-08 13:35:40,316 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1022 transitions. Word has length 118 [2025-02-08 13:35:40,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:40,316 INFO L471 AbstractCegarLoop]: Abstraction has 732 states and 1022 transitions. [2025-02-08 13:35:40,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.689655172413793) internal successors, (136), 29 states have internal predecessors, (136), 2 states have call successors, (4), 2 states have call predecessors, (4), 5 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 13:35:40,316 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1022 transitions. [2025-02-08 13:35:40,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-02-08 13:35:40,317 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:40,317 INFO L218 NwaCegarLoop]: trace histogram [25, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:35:40,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-02-08 13:35:40,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:35:40,522 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:35:40,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:40,523 INFO L85 PathProgramCache]: Analyzing trace with hash -388410622, now seen corresponding path program 3 times [2025-02-08 13:35:40,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:40,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979989013] [2025-02-08 13:35:40,523 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 13:35:40,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:40,562 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 131 statements into 9 equivalence classes. [2025-02-08 13:35:40,578 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 99 of 131 statements. [2025-02-08 13:35:40,579 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-02-08 13:35:40,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:40,785 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2025-02-08 13:35:40,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:40,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979989013] [2025-02-08 13:35:40,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979989013] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:40,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:40,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-02-08 13:35:40,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223258202] [2025-02-08 13:35:40,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:40,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 13:35:40,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:40,786 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 13:35:40,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-02-08 13:35:40,786 INFO L87 Difference]: Start difference. First operand 732 states and 1022 transitions. Second operand has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:35:41,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:41,252 INFO L93 Difference]: Finished difference Result 1421 states and 1995 transitions. [2025-02-08 13:35:41,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 13:35:41,253 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 131 [2025-02-08 13:35:41,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:41,255 INFO L225 Difference]: With dead ends: 1421 [2025-02-08 13:35:41,255 INFO L226 Difference]: Without dead ends: 766 [2025-02-08 13:35:41,256 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-02-08 13:35:41,258 INFO L435 NwaCegarLoop]: 436 mSDtfsCounter, 17 mSDsluCounter, 3132 mSDsCounter, 0 mSdLazyCounter, 878 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 3568 SdHoareTripleChecker+Invalid, 878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:41,258 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 3568 Invalid, 878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 878 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 13:35:41,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2025-02-08 13:35:41,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 742. [2025-02-08 13:35:41,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 742 states, 726 states have (on average 1.4049586776859504) internal successors, (1020), 733 states have internal predecessors, (1020), 6 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-08 13:35:41,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1034 transitions. [2025-02-08 13:35:41,271 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1034 transitions. Word has length 131 [2025-02-08 13:35:41,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:41,271 INFO L471 AbstractCegarLoop]: Abstraction has 742 states and 1034 transitions. [2025-02-08 13:35:41,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:35:41,271 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1034 transitions. [2025-02-08 13:35:41,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2025-02-08 13:35:41,272 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:41,272 INFO L218 NwaCegarLoop]: trace histogram [25, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:35:41,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-02-08 13:35:41,273 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:35:41,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:41,273 INFO L85 PathProgramCache]: Analyzing trace with hash -553714275, now seen corresponding path program 1 times [2025-02-08 13:35:41,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:41,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106234626] [2025-02-08 13:35:41,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:41,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:41,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-02-08 13:35:41,378 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-02-08 13:35:41,378 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:41,378 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:41,802 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 6 proven. 248 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2025-02-08 13:35:41,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:41,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106234626] [2025-02-08 13:35:41,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106234626] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:35:41,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679940642] [2025-02-08 13:35:41,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:41,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:35:41,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:35:41,805 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 13:35:41,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-08 13:35:42,100 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-02-08 13:35:43,927 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-02-08 13:35:43,927 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:43,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:43,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 982 conjuncts, 193 conjuncts are in the unsatisfiable core [2025-02-08 13:35:43,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:35:43,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2025-02-08 13:35:44,018 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 13 treesize of output 9 [2025-02-08 13:35:44,035 INFO L349 Elim1Store]: treesize reduction 30, result has 34.8 percent of original size [2025-02-08 13:35:44,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 33 [2025-02-08 13:35:44,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2025-02-08 13:35:44,097 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 22 treesize of output 10 [2025-02-08 13:35:44,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2025-02-08 13:35:44,436 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2025-02-08 13:35:44,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 57 [2025-02-08 13:35:44,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 13 [2025-02-08 13:35:47,603 INFO L224 Elim1Store]: Index analysis took 193 ms