./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_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_OAT_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 72a3b80a468e10df778a3b8ff41e4c2b1e0b82c1005f056b209a19315511b1a5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 13:44:40,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 13:44:40,160 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 13:44:40,165 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 13:44:40,166 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 13:44:40,191 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 13:44:40,192 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 13:44:40,192 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 13:44:40,192 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 13:44:40,192 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 13:44:40,192 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 13:44:40,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 13:44:40,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 13:44:40,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 13:44:40,193 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 13:44:40,193 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 13:44:40,193 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 13:44:40,193 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 13:44:40,193 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 13:44:40,193 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 13:44:40,193 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 13:44:40,193 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 13:44:40,195 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 13:44:40,195 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 13:44:40,195 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 13:44:40,195 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 13:44:40,196 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 13:44:40,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 13:44:40,196 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 13:44:40,196 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 13:44:40,196 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 13:44:40,196 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 13:44:40,197 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 13:44:40,197 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 13:44:40,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 13:44:40,197 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 13:44:40,197 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 13:44:40,197 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 13:44:40,197 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 13:44:40,197 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 13:44:40,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 13:44:40,198 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 13:44:40,198 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 13:44:40,198 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 13:44:40,198 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 13:44:40,198 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 -> 72a3b80a468e10df778a3b8ff41e4c2b1e0b82c1005f056b209a19315511b1a5 [2025-02-08 13:44:40,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 13:44:40,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 13:44:40,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 13:44:40,503 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 13:44:40,504 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 13:44:40,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i [2025-02-08 13:44:41,969 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a8a8b4255/467f15f58a9642268509d5c895e31cd4/FLAG8a20d08f8 [2025-02-08 13:44:42,340 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 13:44:42,342 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i [2025-02-08 13:44:42,360 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a8a8b4255/467f15f58a9642268509d5c895e31cd4/FLAG8a20d08f8 [2025-02-08 13:44:42,382 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a8a8b4255/467f15f58a9642268509d5c895e31cd4 [2025-02-08 13:44:42,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 13:44:42,386 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 13:44:42,388 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 13:44:42,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 13:44:42,394 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 13:44:42,395 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:44:42" (1/1) ... [2025-02-08 13:44:42,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e69d2ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:44:42, skipping insertion in model container [2025-02-08 13:44:42,396 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:44:42" (1/1) ... [2025-02-08 13:44:42,450 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 13:44:42,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 13:44:43,014 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 13:44:43,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 13:44:43,199 INFO L204 MainTranslator]: Completed translation [2025-02-08 13:44:43,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:44:43 WrapperNode [2025-02-08 13:44:43,200 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 13:44:43,201 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 13:44:43,201 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 13:44:43,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 13:44:43,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:44:43" (1/1) ... [2025-02-08 13:44:43,232 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:44:43" (1/1) ... [2025-02-08 13:44:43,311 INFO L138 Inliner]: procedures = 177, calls = 330, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1577 [2025-02-08 13:44:43,311 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 13:44:43,312 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 13:44:43,313 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 13:44:43,313 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 13:44:43,322 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:44:43" (1/1) ... [2025-02-08 13:44:43,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:44:43" (1/1) ... [2025-02-08 13:44:43,343 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:44:43" (1/1) ... [2025-02-08 13:44:43,448 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 13:44:43,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:44:43" (1/1) ... [2025-02-08 13:44:43,449 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:44:43" (1/1) ... [2025-02-08 13:44:43,508 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:44:43" (1/1) ... [2025-02-08 13:44:43,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:44:43" (1/1) ... [2025-02-08 13:44:43,521 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:44:43" (1/1) ... [2025-02-08 13:44:43,531 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:44:43" (1/1) ... [2025-02-08 13:44:43,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 13:44:43,544 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 13:44:43,545 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 13:44:43,545 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 13:44:43,546 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:44:43" (1/1) ... [2025-02-08 13:44:43,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 13:44:43,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:44:43,585 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 13:44:43,593 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 13:44:43,615 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-02-08 13:44:43,615 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-02-08 13:44:43,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 13:44:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 13:44:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 13:44:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 13:44:43,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 13:44:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 13:44:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 13:44:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 13:44:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-08 13:44:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-08 13:44:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-08 13:44:43,617 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-08 13:44:43,617 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-08 13:44:43,617 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-08 13:44:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 13:44:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 13:44:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 13:44:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 13:44:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 13:44:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 13:44:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 13:44:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 13:44:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 13:44:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 13:44:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 13:44:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 13:44:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 13:44:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 13:44:43,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 13:44:43,876 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 13:44:43,878 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 13:44:45,605 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 13:44:45,720 INFO L? ?]: Removed 354 outVars from TransFormulas that were not future-live. [2025-02-08 13:44:45,723 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 13:44:45,778 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 13:44:45,778 INFO L337 CfgBuilder]: Removed 1 assume(true) statements. [2025-02-08 13:44:45,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:44:45 BoogieIcfgContainer [2025-02-08 13:44:45,783 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 13:44:45,785 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 13:44:45,786 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 13:44:45,791 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 13:44:45,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:44:42" (1/3) ... [2025-02-08 13:44:45,792 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a5f71be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:44:45, skipping insertion in model container [2025-02-08 13:44:45,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:44:43" (2/3) ... [2025-02-08 13:44:45,793 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a5f71be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:44:45, skipping insertion in model container [2025-02-08 13:44:45,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:44:45" (3/3) ... [2025-02-08 13:44:45,794 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test3-2.i [2025-02-08 13:44:45,811 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 13:44:45,813 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_OAT_test3-2.i that has 6 procedures, 463 locations, 1 initial locations, 43 loop locations, and 8 error locations. [2025-02-08 13:44:45,892 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 13:44:45,906 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;@11fdd7c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 13:44:45,907 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-02-08 13:44:45,914 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 13:44:45,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-08 13:44:45,919 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:44:45,920 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-08 13:44:45,920 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 13:44:45,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:44:45,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1838732263, now seen corresponding path program 1 times [2025-02-08 13:44:45,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:44:45,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841973189] [2025-02-08 13:44:45,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:44:45,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:44:46,025 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 13:44:46,043 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 13:44:46,044 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:44:46,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:44:46,105 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 13:44:46,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:44:46,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841973189] [2025-02-08 13:44:46,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841973189] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:44:46,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:44:46,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:44:46,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425192613] [2025-02-08 13:44:46,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:44:46,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 13:44:46,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:44:46,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 13:44:46,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 13:44:46,138 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 13:44:46,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:44:46,318 INFO L93 Difference]: Finished difference Result 907 states and 1451 transitions. [2025-02-08 13:44:46,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 13:44:46,321 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 13:44:46,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:44:46,331 INFO L225 Difference]: With dead ends: 907 [2025-02-08 13:44:46,331 INFO L226 Difference]: Without dead ends: 404 [2025-02-08 13:44:46,337 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 13:44:46,342 INFO L435 NwaCegarLoop]: 606 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:44:46,343 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 606 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:44:46,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2025-02-08 13:44:46,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2025-02-08 13:44:46,411 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 13:44:46,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 578 transitions. [2025-02-08 13:44:46,419 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 578 transitions. Word has length 6 [2025-02-08 13:44:46,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:44:46,419 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 578 transitions. [2025-02-08 13:44:46,420 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 13:44:46,420 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 578 transitions. [2025-02-08 13:44:46,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-08 13:44:46,421 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:44:46,421 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-08 13:44:46,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 13:44:46,422 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 13:44:46,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:44:46,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1838731302, now seen corresponding path program 1 times [2025-02-08 13:44:46,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:44:46,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834143001] [2025-02-08 13:44:46,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:44:46,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:44:46,440 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 13:44:46,463 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 13:44:46,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:44:46,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 13:44:46,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1287136657] [2025-02-08 13:44:46,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:44:46,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:44:46,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:44:46,473 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 13:44:46,475 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 13:44:46,647 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 13:44:46,664 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 13:44:46,664 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:44:46,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:44:46,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 13:44:46,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:44:46,712 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 13:44:46,754 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 13:44:46,755 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:44:46,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:44:46,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834143001] [2025-02-08 13:44:46,756 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 13:44:46,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287136657] [2025-02-08 13:44:46,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287136657] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:44:46,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:44:46,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:44:46,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958874146] [2025-02-08 13:44:46,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:44:46,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:44:46,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:44:46,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:44:46,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:44:46,758 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 13:44:47,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:44:47,106 INFO L93 Difference]: Finished difference Result 803 states and 1151 transitions. [2025-02-08 13:44:47,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:44:47,107 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 13:44:47,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:44:47,111 INFO L225 Difference]: With dead ends: 803 [2025-02-08 13:44:47,112 INFO L226 Difference]: Without dead ends: 801 [2025-02-08 13:44:47,112 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 13:44:47,113 INFO L435 NwaCegarLoop]: 552 mSDtfsCounter, 560 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 13:44:47,113 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [563 Valid, 1612 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 13:44:47,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2025-02-08 13:44:47,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 410. [2025-02-08 13:44:47,149 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 13:44:47,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 585 transitions. [2025-02-08 13:44:47,157 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 585 transitions. Word has length 6 [2025-02-08 13:44:47,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:44:47,157 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 585 transitions. [2025-02-08 13:44:47,157 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 13:44:47,157 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 585 transitions. [2025-02-08 13:44:47,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-02-08 13:44:47,158 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:44:47,158 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:44:47,166 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 13:44:47,359 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 13:44:47,359 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 13:44:47,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:44:47,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1927658077, now seen corresponding path program 1 times [2025-02-08 13:44:47,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:44:47,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141898808] [2025-02-08 13:44:47,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:44:47,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:44:47,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 13:44:47,386 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 13:44:47,389 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:44:47,390 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:44:47,548 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 13:44:47,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:44:47,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141898808] [2025-02-08 13:44:47,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141898808] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:44:47,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:44:47,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 13:44:47,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001138275] [2025-02-08 13:44:47,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:44:47,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:44:47,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:44:47,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:44:47,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:44:47,550 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 13:44:47,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:44:47,844 INFO L93 Difference]: Finished difference Result 998 states and 1432 transitions. [2025-02-08 13:44:47,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:44:47,844 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 13:44:47,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:44:47,848 INFO L225 Difference]: With dead ends: 998 [2025-02-08 13:44:47,849 INFO L226 Difference]: Without dead ends: 800 [2025-02-08 13:44:47,850 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 13:44:47,851 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, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 13:44:47,851 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [564 Valid, 1617 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 13:44:47,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2025-02-08 13:44:47,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 410. [2025-02-08 13:44:47,872 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 13:44:47,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 584 transitions. [2025-02-08 13:44:47,876 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 584 transitions. Word has length 9 [2025-02-08 13:44:47,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:44:47,879 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 584 transitions. [2025-02-08 13:44:47,879 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 13:44:47,880 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 584 transitions. [2025-02-08 13:44:47,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-02-08 13:44:47,882 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:44:47,882 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 13:44:47,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 13:44:47,883 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 13:44:47,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:44:47,883 INFO L85 PathProgramCache]: Analyzing trace with hash -719194314, now seen corresponding path program 1 times [2025-02-08 13:44:47,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:44:47,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365816702] [2025-02-08 13:44:47,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:44:47,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:44:47,947 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-02-08 13:44:47,962 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-02-08 13:44:47,965 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:44:47,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:44:48,265 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 13:44:48,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:44:48,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365816702] [2025-02-08 13:44:48,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365816702] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:44:48,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:44:48,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 13:44:48,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465916645] [2025-02-08 13:44:48,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:44:48,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:44:48,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:44:48,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:44:48,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:44:48,268 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 13:44:48,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:44:48,461 INFO L93 Difference]: Finished difference Result 816 states and 1164 transitions. [2025-02-08 13:44:48,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:44:48,461 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 13:44:48,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:44:48,464 INFO L225 Difference]: With dead ends: 816 [2025-02-08 13:44:48,464 INFO L226 Difference]: Without dead ends: 413 [2025-02-08 13:44:48,466 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 13:44:48,467 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, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 13:44:48,468 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1443 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 13:44:48,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2025-02-08 13:44:48,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 410. [2025-02-08 13:44:48,481 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 13:44:48,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 577 transitions. [2025-02-08 13:44:48,484 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 577 transitions. Word has length 79 [2025-02-08 13:44:48,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:44:48,485 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 577 transitions. [2025-02-08 13:44:48,485 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 13:44:48,485 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 577 transitions. [2025-02-08 13:44:48,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-02-08 13:44:48,488 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:44:48,488 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 13:44:48,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 13:44:48,489 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 13:44:48,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:44:48,489 INFO L85 PathProgramCache]: Analyzing trace with hash -174518928, now seen corresponding path program 1 times [2025-02-08 13:44:48,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:44:48,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733998960] [2025-02-08 13:44:48,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:44:48,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:44:48,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-02-08 13:44:48,555 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-02-08 13:44:48,556 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:44:48,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:44:48,734 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 13:44:48,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:44:48,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733998960] [2025-02-08 13:44:48,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733998960] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:44:48,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:44:48,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:44:48,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276416461] [2025-02-08 13:44:48,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:44:48,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:44:48,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:44:48,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:44:48,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:44:48,738 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 13:44:48,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:44:48,960 INFO L93 Difference]: Finished difference Result 1114 states and 1586 transitions. [2025-02-08 13:44:48,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:44:48,960 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 13:44:48,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:44:48,964 INFO L225 Difference]: With dead ends: 1114 [2025-02-08 13:44:48,965 INFO L226 Difference]: Without dead ends: 711 [2025-02-08 13:44:48,966 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 13:44:48,967 INFO L435 NwaCegarLoop]: 706 mSDtfsCounter, 383 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 13:44:48,968 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 1211 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 13:44:48,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2025-02-08 13:44:48,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 697. [2025-02-08 13:44:48,990 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 13:44:48,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 1002 transitions. [2025-02-08 13:44:48,995 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 1002 transitions. Word has length 79 [2025-02-08 13:44:48,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:44:48,996 INFO L471 AbstractCegarLoop]: Abstraction has 697 states and 1002 transitions. [2025-02-08 13:44:48,996 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 13:44:48,996 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1002 transitions. [2025-02-08 13:44:48,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-02-08 13:44:48,999 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:44:48,999 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 13:44:48,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 13:44:48,999 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 13:44:49,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:44:49,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1346439487, now seen corresponding path program 1 times [2025-02-08 13:44:49,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:44:49,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180149257] [2025-02-08 13:44:49,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:44:49,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:44:49,065 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-02-08 13:44:49,100 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-02-08 13:44:49,101 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:44:49,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:44:49,562 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 13:44:49,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:44:49,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180149257] [2025-02-08 13:44:49,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180149257] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:44:49,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:44:49,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 13:44:49,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281225430] [2025-02-08 13:44:49,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:44:49,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:44:49,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:44:49,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:44:49,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:44:49,568 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 13:44:49,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:44:49,845 INFO L93 Difference]: Finished difference Result 992 states and 1415 transitions. [2025-02-08 13:44:49,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:44:49,846 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 13:44:49,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:44:49,852 INFO L225 Difference]: With dead ends: 992 [2025-02-08 13:44:49,853 INFO L226 Difference]: Without dead ends: 990 [2025-02-08 13:44:49,854 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 13:44:49,855 INFO L435 NwaCegarLoop]: 547 mSDtfsCounter, 469 mSDsluCounter, 1048 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 13:44:49,855 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 13:44:49,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2025-02-08 13:44:49,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 760. [2025-02-08 13:44:49,889 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 13:44:49,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1085 transitions. [2025-02-08 13:44:49,894 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1085 transitions. Word has length 94 [2025-02-08 13:44:49,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:44:49,895 INFO L471 AbstractCegarLoop]: Abstraction has 760 states and 1085 transitions. [2025-02-08 13:44:49,895 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 13:44:49,895 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1085 transitions. [2025-02-08 13:44:49,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-02-08 13:44:49,897 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:44:49,898 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 13:44:49,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 13:44:49,898 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 13:44:49,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:44:49,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1440121263, now seen corresponding path program 1 times [2025-02-08 13:44:49,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:44:49,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706004448] [2025-02-08 13:44:49,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:44:49,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:44:49,956 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-02-08 13:44:50,162 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-02-08 13:44:50,162 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:44:50,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:44:50,417 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 13:44:50,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:44:50,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706004448] [2025-02-08 13:44:50,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706004448] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:44:50,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178710120] [2025-02-08 13:44:50,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:44:50,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:44:50,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:44:50,422 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 13:44:50,423 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 13:44:50,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-02-08 13:44:50,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-02-08 13:44:50,754 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:44:50,754 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:44:50,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-02-08 13:44:50,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:44:50,775 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 13:44:50,800 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 13:44:50,820 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 13:44:51,708 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 13:44:51,710 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:44:51,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178710120] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:44:51,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:44:51,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 13 [2025-02-08 13:44:51,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283155452] [2025-02-08 13:44:51,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:44:51,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 13:44:51,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:44:51,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 13:44:51,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-02-08 13:44:51,712 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 13:44:53,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:44:53,664 INFO L93 Difference]: Finished difference Result 1712 states and 2439 transitions. [2025-02-08 13:44:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 13:44:53,666 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 13:44:53,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:44:53,674 INFO L225 Difference]: With dead ends: 1712 [2025-02-08 13:44:53,674 INFO L226 Difference]: Without dead ends: 1038 [2025-02-08 13:44:53,675 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2025-02-08 13:44:53,678 INFO L435 NwaCegarLoop]: 547 mSDtfsCounter, 830 mSDsluCounter, 2223 mSDsCounter, 0 mSdLazyCounter, 975 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.5s IncrementalHoareTripleChecker+Time [2025-02-08 13:44:53,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [832 Valid, 2770 Invalid, 980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 975 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-02-08 13:44:53,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2025-02-08 13:44:53,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 785. [2025-02-08 13:44:53,709 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 13:44:53,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1115 transitions. [2025-02-08 13:44:53,717 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1115 transitions. Word has length 100 [2025-02-08 13:44:53,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:44:53,718 INFO L471 AbstractCegarLoop]: Abstraction has 785 states and 1115 transitions. [2025-02-08 13:44:53,718 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 13:44:53,718 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1115 transitions. [2025-02-08 13:44:53,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-02-08 13:44:53,719 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:44:53,720 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 13:44:53,730 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 13:44:53,924 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 13:44:53,924 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 13:44:53,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:44:53,925 INFO L85 PathProgramCache]: Analyzing trace with hash -540580926, now seen corresponding path program 1 times [2025-02-08 13:44:53,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:44:53,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968267942] [2025-02-08 13:44:53,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:44:53,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:44:53,984 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-08 13:44:54,096 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-08 13:44:54,096 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:44:54,096 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:44:54,296 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 13:44:54,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:44:54,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968267942] [2025-02-08 13:44:54,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968267942] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:44:54,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262282064] [2025-02-08 13:44:54,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:44:54,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:44:54,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:44:54,300 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 13:44:54,303 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 13:44:54,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-08 13:44:54,658 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-08 13:44:54,659 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:44:54,659 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:44:54,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 13:44:54,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:44:54,922 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 13:44:54,923 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:44:54,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262282064] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:44:54,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:44:54,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2025-02-08 13:44:54,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161908298] [2025-02-08 13:44:54,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:44:54,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 13:44:54,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:44:54,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 13:44:54,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 13:44:54,925 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 13:44:55,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:44:55,677 INFO L93 Difference]: Finished difference Result 1510 states and 2152 transitions. [2025-02-08 13:44:55,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 13:44:55,678 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 13:44:55,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:44:55,682 INFO L225 Difference]: With dead ends: 1510 [2025-02-08 13:44:55,683 INFO L226 Difference]: Without dead ends: 836 [2025-02-08 13:44:55,684 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 13:44:55,684 INFO L435 NwaCegarLoop]: 512 mSDtfsCounter, 15 mSDsluCounter, 2013 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 13:44:55,685 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2525 Invalid, 907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 13:44:55,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2025-02-08 13:44:55,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 828. [2025-02-08 13:44:55,708 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 13:44:55,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1170 transitions. [2025-02-08 13:44:55,712 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1170 transitions. Word has length 101 [2025-02-08 13:44:55,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:44:55,713 INFO L471 AbstractCegarLoop]: Abstraction has 828 states and 1170 transitions. [2025-02-08 13:44:55,713 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 13:44:55,713 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1170 transitions. [2025-02-08 13:44:55,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-08 13:44:55,715 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:44:55,716 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 13:44:55,726 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 13:44:55,916 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 13:44:55,917 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 13:44:55,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:44:55,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1645283774, now seen corresponding path program 1 times [2025-02-08 13:44:55,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:44:55,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709312037] [2025-02-08 13:44:55,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:44:55,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:44:55,967 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 13:44:56,008 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 13:44:56,009 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:44:56,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:44:56,270 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 13:44:56,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:44:56,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709312037] [2025-02-08 13:44:56,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709312037] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:44:56,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:44:56,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 13:44:56,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139407688] [2025-02-08 13:44:56,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:44:56,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 13:44:56,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:44:56,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 13:44:56,272 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-08 13:44:56,272 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 13:44:56,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:44:56,946 INFO L93 Difference]: Finished difference Result 1542 states and 2187 transitions. [2025-02-08 13:44:56,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 13:44:56,947 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 13:44:56,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:44:56,951 INFO L225 Difference]: With dead ends: 1542 [2025-02-08 13:44:56,951 INFO L226 Difference]: Without dead ends: 844 [2025-02-08 13:44:56,953 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 13:44:56,953 INFO L435 NwaCegarLoop]: 517 mSDtfsCounter, 12 mSDsluCounter, 2014 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 13:44:56,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2531 Invalid, 932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 13:44:56,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2025-02-08 13:44:56,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 830. [2025-02-08 13:44:56,990 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 13:44:56,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1174 transitions. [2025-02-08 13:44:56,995 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1174 transitions. Word has length 103 [2025-02-08 13:44:56,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:44:56,996 INFO L471 AbstractCegarLoop]: Abstraction has 830 states and 1174 transitions. [2025-02-08 13:44:56,997 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 13:44:56,997 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1174 transitions. [2025-02-08 13:44:56,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-08 13:44:56,998 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:44:56,998 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 13:44:56,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 13:44:56,998 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 13:44:56,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:44:57,000 INFO L85 PathProgramCache]: Analyzing trace with hash -440294057, now seen corresponding path program 1 times [2025-02-08 13:44:57,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:44:57,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872226906] [2025-02-08 13:44:57,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:44:57,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:44:57,040 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 13:44:57,066 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 13:44:57,070 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:44:57,070 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:44:57,321 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 13:44:57,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:44:57,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872226906] [2025-02-08 13:44:57,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872226906] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:44:57,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:44:57,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 13:44:57,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049970351] [2025-02-08 13:44:57,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:44:57,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 13:44:57,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:44:57,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 13:44:57,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 13:44:57,324 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 13:44:57,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:44:57,905 INFO L93 Difference]: Finished difference Result 1546 states and 2193 transitions. [2025-02-08 13:44:57,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 13:44:57,906 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 13:44:57,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:44:57,910 INFO L225 Difference]: With dead ends: 1546 [2025-02-08 13:44:57,910 INFO L226 Difference]: Without dead ends: 836 [2025-02-08 13:44:57,912 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 13:44:57,913 INFO L435 NwaCegarLoop]: 520 mSDtfsCounter, 8 mSDsluCounter, 1608 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 13:44:57,913 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2128 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 730 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 13:44:57,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2025-02-08 13:44:57,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 836. [2025-02-08 13:44:57,935 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 13:44:57,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1180 transitions. [2025-02-08 13:44:57,940 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1180 transitions. Word has length 103 [2025-02-08 13:44:57,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:44:57,940 INFO L471 AbstractCegarLoop]: Abstraction has 836 states and 1180 transitions. [2025-02-08 13:44:57,940 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 13:44:57,940 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1180 transitions. [2025-02-08 13:44:57,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-08 13:44:57,941 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:44:57,941 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 13:44:57,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-08 13:44:57,942 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 13:44:57,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:44:57,942 INFO L85 PathProgramCache]: Analyzing trace with hash 948343429, now seen corresponding path program 1 times [2025-02-08 13:44:57,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:44:57,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833976544] [2025-02-08 13:44:57,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:44:57,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:44:57,982 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-08 13:44:58,013 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-08 13:44:58,016 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:44:58,017 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:44:58,352 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 13:44:58,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:44:58,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833976544] [2025-02-08 13:44:58,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833976544] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:44:58,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:44:58,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-02-08 13:44:58,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326394430] [2025-02-08 13:44:58,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:44:58,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 13:44:58,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:44:58,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 13:44:58,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-02-08 13:44:58,354 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 13:44:59,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:44:59,042 INFO L93 Difference]: Finished difference Result 1559 states and 2204 transitions. [2025-02-08 13:44:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 13:44:59,042 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 13:44:59,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:44:59,046 INFO L225 Difference]: With dead ends: 1559 [2025-02-08 13:44:59,046 INFO L226 Difference]: Without dead ends: 862 [2025-02-08 13:44:59,048 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 13:44:59,049 INFO L435 NwaCegarLoop]: 512 mSDtfsCounter, 20 mSDsluCounter, 2555 mSDsCounter, 0 mSdLazyCounter, 977 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 13:44:59,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 3067 Invalid, 978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 977 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 13:44:59,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2025-02-08 13:44:59,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 850. [2025-02-08 13:44:59,073 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 13:44:59,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1198 transitions. [2025-02-08 13:44:59,077 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1198 transitions. Word has length 104 [2025-02-08 13:44:59,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:44:59,077 INFO L471 AbstractCegarLoop]: Abstraction has 850 states and 1198 transitions. [2025-02-08 13:44:59,078 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 13:44:59,078 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1198 transitions. [2025-02-08 13:44:59,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-08 13:44:59,081 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:44:59,082 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 13:44:59,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-08 13:44:59,082 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 13:44:59,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:44:59,084 INFO L85 PathProgramCache]: Analyzing trace with hash 530312383, now seen corresponding path program 1 times [2025-02-08 13:44:59,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:44:59,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582351068] [2025-02-08 13:44:59,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:44:59,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:44:59,122 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-08 13:44:59,317 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-08 13:44:59,317 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:44:59,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:44:59,476 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 13:44:59,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:44:59,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582351068] [2025-02-08 13:44:59,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582351068] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:44:59,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525707633] [2025-02-08 13:44:59,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:44:59,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:44:59,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:44:59,480 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 13:44:59,481 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 13:44:59,733 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-08 13:44:59,847 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-08 13:44:59,848 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:44:59,848 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:44:59,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 13:44:59,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:44:59,969 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 13:44:59,969 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:44:59,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525707633] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:44:59,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:44:59,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2025-02-08 13:44:59,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805798311] [2025-02-08 13:44:59,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:44:59,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 13:44:59,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:44:59,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 13:44:59,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 13:44:59,972 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 13:45:00,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:45:00,584 INFO L93 Difference]: Finished difference Result 1582 states and 2237 transitions. [2025-02-08 13:45:00,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 13:45:00,585 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 13:45:00,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:45:00,589 INFO L225 Difference]: With dead ends: 1582 [2025-02-08 13:45:00,589 INFO L226 Difference]: Without dead ends: 878 [2025-02-08 13:45:00,590 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-02-08 13:45:00,591 INFO L435 NwaCegarLoop]: 507 mSDtfsCounter, 40 mSDsluCounter, 2096 mSDsCounter, 0 mSdLazyCounter, 835 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 13:45:00,591 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 2603 Invalid, 839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 835 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 13:45:00,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2025-02-08 13:45:00,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 864. [2025-02-08 13:45:00,612 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 13:45:00,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1218 transitions. [2025-02-08 13:45:00,615 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1218 transitions. Word has length 104 [2025-02-08 13:45:00,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:45:00,616 INFO L471 AbstractCegarLoop]: Abstraction has 864 states and 1218 transitions. [2025-02-08 13:45:00,616 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 13:45:00,616 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1218 transitions. [2025-02-08 13:45:00,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-02-08 13:45:00,617 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:45:00,617 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 13:45:00,626 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 13:45:00,821 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 13:45:00,821 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 13:45:00,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:45:00,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1427713929, now seen corresponding path program 1 times [2025-02-08 13:45:00,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:45:00,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556927782] [2025-02-08 13:45:00,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:45:00,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:45:00,863 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-08 13:45:00,887 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-08 13:45:00,887 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:45:00,887 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:45:01,244 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 13:45:01,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:45:01,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556927782] [2025-02-08 13:45:01,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556927782] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:45:01,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:45:01,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-02-08 13:45:01,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953406577] [2025-02-08 13:45:01,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:45:01,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 13:45:01,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:45:01,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 13:45:01,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-02-08 13:45:01,248 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 13:45:01,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:45:01,989 INFO L93 Difference]: Finished difference Result 1598 states and 2259 transitions. [2025-02-08 13:45:01,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 13:45:01,990 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 13:45:01,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:45:01,994 INFO L225 Difference]: With dead ends: 1598 [2025-02-08 13:45:01,994 INFO L226 Difference]: Without dead ends: 882 [2025-02-08 13:45:01,996 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 13:45:01,996 INFO L435 NwaCegarLoop]: 518 mSDtfsCounter, 26 mSDsluCounter, 2499 mSDsCounter, 0 mSdLazyCounter, 1125 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 13:45:01,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 3017 Invalid, 1126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1125 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 13:45:01,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2025-02-08 13:45:02,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 870. [2025-02-08 13:45:02,019 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 13:45:02,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1224 transitions. [2025-02-08 13:45:02,023 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1224 transitions. Word has length 105 [2025-02-08 13:45:02,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:45:02,024 INFO L471 AbstractCegarLoop]: Abstraction has 870 states and 1224 transitions. [2025-02-08 13:45:02,024 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 13:45:02,024 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1224 transitions. [2025-02-08 13:45:02,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-02-08 13:45:02,025 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:45:02,025 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 13:45:02,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-08 13:45:02,026 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 13:45:02,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:45:02,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1725517727, now seen corresponding path program 1 times [2025-02-08 13:45:02,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:45:02,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556391260] [2025-02-08 13:45:02,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:45:02,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:45:02,069 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-08 13:45:02,163 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-08 13:45:02,164 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:45:02,164 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:45:02,314 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 13:45:02,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:45:02,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556391260] [2025-02-08 13:45:02,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556391260] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:45:02,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349930365] [2025-02-08 13:45:02,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:45:02,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:45:02,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:45:02,318 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 13:45:02,319 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 13:45:02,588 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-08 13:45:02,801 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-08 13:45:02,801 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:45:02,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:45:02,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-08 13:45:02,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:45:02,995 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 13:45:02,996 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:45:02,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349930365] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:45:02,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:45:02,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2025-02-08 13:45:02,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507310453] [2025-02-08 13:45:02,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:45:02,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 13:45:02,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:45:02,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 13:45:02,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 13:45:02,999 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 13:45:03,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:45:03,620 INFO L93 Difference]: Finished difference Result 1599 states and 2258 transitions. [2025-02-08 13:45:03,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 13:45:03,621 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 13:45:03,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:45:03,624 INFO L225 Difference]: With dead ends: 1599 [2025-02-08 13:45:03,625 INFO L226 Difference]: Without dead ends: 880 [2025-02-08 13:45:03,626 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 101 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 13:45:03,628 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 13:45:03,628 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 13:45:03,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2025-02-08 13:45:03,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 870. [2025-02-08 13:45:03,647 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 13:45:03,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1224 transitions. [2025-02-08 13:45:03,649 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1224 transitions. Word has length 105 [2025-02-08 13:45:03,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:45:03,650 INFO L471 AbstractCegarLoop]: Abstraction has 870 states and 1224 transitions. [2025-02-08 13:45:03,650 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 13:45:03,650 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1224 transitions. [2025-02-08 13:45:03,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-02-08 13:45:03,651 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:45:03,651 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 13:45:03,665 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 13:45:03,851 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 13:45:03,852 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 13:45:03,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:45:03,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1501774467, now seen corresponding path program 1 times [2025-02-08 13:45:03,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:45:03,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686673949] [2025-02-08 13:45:03,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:45:03,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:45:03,910 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-08 13:45:03,985 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-08 13:45:03,986 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:45:03,986 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:45:04,119 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 13:45:04,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:45:04,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686673949] [2025-02-08 13:45:04,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686673949] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:45:04,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985915660] [2025-02-08 13:45:04,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:45:04,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:45:04,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:45:04,122 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 13:45:04,125 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 13:45:04,401 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-08 13:45:04,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-08 13:45:04,519 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:45:04,519 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:45:04,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 13:45:04,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:45:04,545 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 13:45:04,545 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:45:04,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985915660] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:45:04,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:45:04,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2025-02-08 13:45:04,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51851869] [2025-02-08 13:45:04,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:45:04,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:45:04,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:45:04,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:45:04,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 13:45:04,547 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 13:45:04,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:45:04,678 INFO L93 Difference]: Finished difference Result 1552 states and 2192 transitions. [2025-02-08 13:45:04,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:45:04,678 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 13:45:04,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:45:04,684 INFO L225 Difference]: With dead ends: 1552 [2025-02-08 13:45:04,684 INFO L226 Difference]: Without dead ends: 873 [2025-02-08 13:45:04,687 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 13:45:04,689 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 13:45:04,690 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 13:45:04,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2025-02-08 13:45:04,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 873. [2025-02-08 13:45:04,712 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 13:45:04,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 873 states and 1229 transitions. [2025-02-08 13:45:04,719 INFO L78 Accepts]: Start accepts. Automaton has 873 states and 1229 transitions. Word has length 105 [2025-02-08 13:45:04,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:45:04,720 INFO L471 AbstractCegarLoop]: Abstraction has 873 states and 1229 transitions. [2025-02-08 13:45:04,720 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 13:45:04,722 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1229 transitions. [2025-02-08 13:45:04,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-02-08 13:45:04,723 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:45:04,724 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 13:45:04,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 13:45:04,928 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 13:45:04,928 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 13:45:04,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:45:04,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1298205985, now seen corresponding path program 1 times [2025-02-08 13:45:04,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:45:04,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140406790] [2025-02-08 13:45:04,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:45:04,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:45:04,969 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-08 13:45:05,144 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-08 13:45:05,145 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:45:05,146 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:45:05,368 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 13:45:05,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:45:05,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140406790] [2025-02-08 13:45:05,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140406790] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:45:05,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718414507] [2025-02-08 13:45:05,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:45:05,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:45:05,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:45:05,371 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 13:45:05,373 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 13:45:05,703 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-08 13:45:05,883 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-08 13:45:05,883 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:45:05,883 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:45:05,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 13:45:05,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:45:05,912 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 13:45:05,913 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 13:45:05,975 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 13:45:05,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718414507] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 13:45:05,975 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 13:45:05,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-02-08 13:45:05,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881568225] [2025-02-08 13:45:05,976 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 13:45:05,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 13:45:05,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:45:05,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 13:45:05,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-02-08 13:45:05,978 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 13:45:06,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:45:06,237 INFO L93 Difference]: Finished difference Result 1566 states and 2216 transitions. [2025-02-08 13:45:06,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 13:45:06,238 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 13:45:06,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:45:06,242 INFO L225 Difference]: With dead ends: 1566 [2025-02-08 13:45:06,242 INFO L226 Difference]: Without dead ends: 884 [2025-02-08 13:45:06,243 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 13:45:06,243 INFO L435 NwaCegarLoop]: 526 mSDtfsCounter, 5 mSDsluCounter, 2614 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 13:45:06,244 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 13:45:06,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2025-02-08 13:45:06,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 882. [2025-02-08 13:45:06,262 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 13:45:06,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1243 transitions. [2025-02-08 13:45:06,264 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1243 transitions. Word has length 107 [2025-02-08 13:45:06,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:45:06,265 INFO L471 AbstractCegarLoop]: Abstraction has 882 states and 1243 transitions. [2025-02-08 13:45:06,265 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 13:45:06,265 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1243 transitions. [2025-02-08 13:45:06,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-02-08 13:45:06,266 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:45:06,266 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 13:45:06,279 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-08 13:45:06,467 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 13:45:06,468 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 13:45:06,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:45:06,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1875107235, now seen corresponding path program 2 times [2025-02-08 13:45:06,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:45:06,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340903402] [2025-02-08 13:45:06,468 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 13:45:06,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:45:06,521 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 111 statements into 2 equivalence classes. [2025-02-08 13:45:06,678 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 111 of 111 statements. [2025-02-08 13:45:06,680 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 13:45:06,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:45:06,944 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 13:45:06,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:45:06,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340903402] [2025-02-08 13:45:06,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340903402] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:45:06,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203053298] [2025-02-08 13:45:06,945 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 13:45:06,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:45:06,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:45:06,949 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 13:45:06,951 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 13:45:07,306 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 111 statements into 2 equivalence classes. [2025-02-08 13:45:07,318 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 111 statements. [2025-02-08 13:45:07,318 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 13:45:07,318 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:45:07,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 13:45:07,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:45:07,333 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 13:45:07,345 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 13:45:07,345 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:45:07,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203053298] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:45:07,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:45:07,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2025-02-08 13:45:07,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506675812] [2025-02-08 13:45:07,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:45:07,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:45:07,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:45:07,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:45:07,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-02-08 13:45:07,347 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 13:45:07,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:45:07,440 INFO L93 Difference]: Finished difference Result 882 states and 1243 transitions. [2025-02-08 13:45:07,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:45:07,440 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 13:45:07,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:45:07,445 INFO L225 Difference]: With dead ends: 882 [2025-02-08 13:45:07,445 INFO L226 Difference]: Without dead ends: 881 [2025-02-08 13:45:07,446 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-02-08 13:45:07,447 INFO L435 NwaCegarLoop]: 525 mSDtfsCounter, 1 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 13:45:07,447 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 13:45:07,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2025-02-08 13:45:07,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 881. [2025-02-08 13:45:07,466 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 13:45:07,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1242 transitions. [2025-02-08 13:45:07,469 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1242 transitions. Word has length 111 [2025-02-08 13:45:07,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:45:07,469 INFO L471 AbstractCegarLoop]: Abstraction has 881 states and 1242 transitions. [2025-02-08 13:45:07,469 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 13:45:07,469 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1242 transitions. [2025-02-08 13:45:07,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-02-08 13:45:07,470 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:45:07,471 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 13:45:07,481 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 13:45:07,676 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 13:45:07,676 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 13:45:07,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:45:07,676 INFO L85 PathProgramCache]: Analyzing trace with hash 2001218595, now seen corresponding path program 1 times [2025-02-08 13:45:07,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:45:07,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985157199] [2025-02-08 13:45:07,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:45:07,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:45:07,720 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-02-08 13:45:07,823 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-02-08 13:45:07,824 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:45:07,824 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:45:08,091 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 13:45:08,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:45:08,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985157199] [2025-02-08 13:45:08,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985157199] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:45:08,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812476257] [2025-02-08 13:45:08,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:45:08,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:45:08,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:45:08,094 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 13:45:08,096 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 13:45:08,444 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-02-08 13:45:08,627 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-02-08 13:45:08,627 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:45:08,627 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:45:08,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-08 13:45:08,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:45:08,716 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 13:45:08,716 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 13:45:08,881 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 13:45:08,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812476257] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 13:45:08,881 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 13:45:08,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 8] total 19 [2025-02-08 13:45:08,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840702089] [2025-02-08 13:45:08,882 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 13:45:08,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-02-08 13:45:08,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:45:08,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-02-08 13:45:08,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=232, Unknown=0, NotChecked=0, Total=342 [2025-02-08 13:45:08,883 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 13:45:09,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:45:09,393 INFO L93 Difference]: Finished difference Result 1544 states and 2186 transitions. [2025-02-08 13:45:09,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-02-08 13:45:09,393 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 13:45:09,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:45:09,397 INFO L225 Difference]: With dead ends: 1544 [2025-02-08 13:45:09,397 INFO L226 Difference]: Without dead ends: 722 [2025-02-08 13:45:09,398 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 13:45:09,399 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 13:45:09,399 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 13:45:09,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2025-02-08 13:45:09,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 722. [2025-02-08 13:45:09,415 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 13:45:09,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 1003 transitions. [2025-02-08 13:45:09,417 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 1003 transitions. Word has length 112 [2025-02-08 13:45:09,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:45:09,418 INFO L471 AbstractCegarLoop]: Abstraction has 722 states and 1003 transitions. [2025-02-08 13:45:09,418 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 13:45:09,418 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 1003 transitions. [2025-02-08 13:45:09,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-02-08 13:45:09,419 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:45:09,419 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 13:45:09,432 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-08 13:45:09,623 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 13:45:09,623 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 13:45:09,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:45:09,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1176013763, now seen corresponding path program 2 times [2025-02-08 13:45:09,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:45:09,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145497001] [2025-02-08 13:45:09,624 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 13:45:09,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:45:09,680 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 118 statements into 2 equivalence classes. [2025-02-08 13:45:09,856 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 118 of 118 statements. [2025-02-08 13:45:09,856 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 13:45:09,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:45:10,335 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 13:45:10,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:45:10,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145497001] [2025-02-08 13:45:10,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145497001] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:45:10,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173216864] [2025-02-08 13:45:10,336 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 13:45:10,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:45:10,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:45:10,338 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 13:45:10,341 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 13:45:10,700 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 118 statements into 2 equivalence classes. [2025-02-08 13:45:11,295 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 118 of 118 statements. [2025-02-08 13:45:11,295 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 13:45:11,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:45:11,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-02-08 13:45:11,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:45:11,517 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 13:45:11,517 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 13:45:11,679 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 13:45:11,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173216864] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 13:45:11,679 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 13:45:11,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 6] total 29 [2025-02-08 13:45:11,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086700365] [2025-02-08 13:45:11,679 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 13:45:11,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-02-08 13:45:11,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:45:11,680 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-02-08 13:45:11,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=667, Unknown=0, NotChecked=0, Total=812 [2025-02-08 13:45:11,684 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 13:45:12,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:45:12,449 INFO L93 Difference]: Finished difference Result 1353 states and 1899 transitions. [2025-02-08 13:45:12,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-02-08 13:45:12,450 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 13:45:12,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:45:12,453 INFO L225 Difference]: With dead ends: 1353 [2025-02-08 13:45:12,453 INFO L226 Difference]: Without dead ends: 736 [2025-02-08 13:45:12,455 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 576 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=534, Invalid=2436, Unknown=0, NotChecked=0, Total=2970 [2025-02-08 13:45:12,455 INFO L435 NwaCegarLoop]: 457 mSDtfsCounter, 33 mSDsluCounter, 3182 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 13:45:12,455 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 13:45:12,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2025-02-08 13:45:12,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 732. [2025-02-08 13:45:12,471 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 13:45:12,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1022 transitions. [2025-02-08 13:45:12,473 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1022 transitions. Word has length 118 [2025-02-08 13:45:12,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:45:12,473 INFO L471 AbstractCegarLoop]: Abstraction has 732 states and 1022 transitions. [2025-02-08 13:45:12,473 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 13:45:12,473 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1022 transitions. [2025-02-08 13:45:12,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-02-08 13:45:12,474 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:45:12,475 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 13:45:12,486 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-08 13:45:12,675 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 13:45:12,675 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 13:45:12,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:45:12,676 INFO L85 PathProgramCache]: Analyzing trace with hash -388410622, now seen corresponding path program 3 times [2025-02-08 13:45:12,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:45:12,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590892044] [2025-02-08 13:45:12,676 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 13:45:12,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:45:12,732 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 131 statements into 9 equivalence classes. [2025-02-08 13:45:12,758 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 99 of 131 statements. [2025-02-08 13:45:12,758 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-02-08 13:45:12,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:45:13,050 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 13:45:13,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:45:13,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590892044] [2025-02-08 13:45:13,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590892044] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:45:13,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:45:13,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-02-08 13:45:13,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302034497] [2025-02-08 13:45:13,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:45:13,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 13:45:13,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:45:13,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 13:45:13,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-02-08 13:45:13,052 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 13:45:13,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:45:13,679 INFO L93 Difference]: Finished difference Result 1421 states and 1995 transitions. [2025-02-08 13:45:13,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 13:45:13,679 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 13:45:13,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:45:13,684 INFO L225 Difference]: With dead ends: 1421 [2025-02-08 13:45:13,684 INFO L226 Difference]: Without dead ends: 766 [2025-02-08 13:45:13,686 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-02-08 13:45:13,688 INFO L435 NwaCegarLoop]: 436 mSDtfsCounter, 17 mSDsluCounter, 3132 mSDsCounter, 0 mSdLazyCounter, 878 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 13:45:13,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 3568 Invalid, 878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 878 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 13:45:13,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2025-02-08 13:45:13,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 742. [2025-02-08 13:45:13,708 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 13:45:13,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1034 transitions. [2025-02-08 13:45:13,712 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1034 transitions. Word has length 131 [2025-02-08 13:45:13,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:45:13,712 INFO L471 AbstractCegarLoop]: Abstraction has 742 states and 1034 transitions. [2025-02-08 13:45:13,713 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 13:45:13,713 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1034 transitions. [2025-02-08 13:45:13,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2025-02-08 13:45:13,714 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:45:13,714 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 13:45:13,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-02-08 13:45:13,714 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 13:45:13,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:45:13,715 INFO L85 PathProgramCache]: Analyzing trace with hash -553714275, now seen corresponding path program 1 times [2025-02-08 13:45:13,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:45:13,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772542975] [2025-02-08 13:45:13,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:45:13,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:45:13,792 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-02-08 13:45:13,916 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-02-08 13:45:13,916 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:45:13,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:45:14,526 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 13:45:14,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:45:14,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772542975] [2025-02-08 13:45:14,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772542975] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:45:14,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484752847] [2025-02-08 13:45:14,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:45:14,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:45:14,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:45:14,530 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 13:45:14,531 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 13:45:14,888 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-02-08 13:45:16,813 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-02-08 13:45:16,813 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:45:16,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:45:16,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 982 conjuncts, 193 conjuncts are in the unsatisfiable core [2025-02-08 13:45:16,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:45:16,836 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 13:45:16,926 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 13:45:16,942 INFO L349 Elim1Store]: treesize reduction 30, result has 34.8 percent of original size [2025-02-08 13:45:16,942 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 13:45:16,951 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 13:45:17,034 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 13:45:17,038 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 13:45:17,489 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2025-02-08 13:45:17,490 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 13:45:17,501 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 13:45:20,777 INFO L224 Elim1Store]: Index analysis took 285 ms