./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 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_SAX_nondet_test1-2.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 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 06:24:03,636 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 06:24:03,693 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 06:24:03,696 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 06:24:03,697 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 06:24:03,710 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 06:24:03,711 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 06:24:03,711 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 06:24:03,711 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 06:24:03,711 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 06:24:03,711 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 06:24:03,711 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 06:24:03,712 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 06:24:03,712 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 06:24:03,712 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 06:24:03,712 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 06:24:03,712 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 06:24:03,712 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 06:24:03,712 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 06:24:03,712 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 06:24:03,712 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 06:24:03,713 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 06:24:03,713 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 06:24:03,713 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 06:24:03,713 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 06:24:03,713 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 06:24:03,713 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 06:24:03,713 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 06:24:03,713 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 06:24:03,713 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 06:24:03,713 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 06:24:03,713 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:24:03,713 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:24:03,714 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:24:03,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:24:03,714 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 06:24:03,714 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:24:03,714 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:24:03,714 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:24:03,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:24:03,714 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 06:24:03,714 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 06:24:03,714 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 06:24:03,714 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 06:24:03,714 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 06:24:03,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 06:24:03,715 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 06:24:03,715 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 06:24:03,715 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 06:24:03,715 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 06:24:03,715 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 -> 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 [2025-01-10 06:24:03,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 06:24:03,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 06:24:03,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 06:24:03,950 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 06:24:03,950 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 06:24:03,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-2.i [2025-01-10 06:24:05,186 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2b731ebfc/12108ac60f5246f29e7127bbd3b2f9c1/FLAG8f42e1228 [2025-01-10 06:24:05,535 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 06:24:05,537 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-2.i [2025-01-10 06:24:05,550 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2b731ebfc/12108ac60f5246f29e7127bbd3b2f9c1/FLAG8f42e1228 [2025-01-10 06:24:05,564 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2b731ebfc/12108ac60f5246f29e7127bbd3b2f9c1 [2025-01-10 06:24:05,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 06:24:05,567 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 06:24:05,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 06:24:05,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 06:24:05,572 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 06:24:05,573 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:24:05" (1/1) ... [2025-01-10 06:24:05,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f32dad7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:24:05, skipping insertion in model container [2025-01-10 06:24:05,574 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:24:05" (1/1) ... [2025-01-10 06:24:05,604 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 06:24:05,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:24:05,958 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 06:24:06,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:24:06,032 INFO L204 MainTranslator]: Completed translation [2025-01-10 06:24:06,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:24:06 WrapperNode [2025-01-10 06:24:06,033 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 06:24:06,033 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 06:24:06,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 06:24:06,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 06:24:06,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:24:06" (1/1) ... [2025-01-10 06:24:06,051 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:24:06" (1/1) ... [2025-01-10 06:24:06,079 INFO L138 Inliner]: procedures = 176, calls = 221, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 938 [2025-01-10 06:24:06,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 06:24:06,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 06:24:06,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 06:24:06,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 06:24:06,086 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:24:06" (1/1) ... [2025-01-10 06:24:06,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:24:06" (1/1) ... [2025-01-10 06:24:06,091 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:24:06" (1/1) ... [2025-01-10 06:24:06,145 INFO L175 MemorySlicer]: Split 206 memory accesses to 2 slices as follows [2, 204]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 50 writes are split as follows [0, 50]. [2025-01-10 06:24:06,145 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:24:06" (1/1) ... [2025-01-10 06:24:06,146 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:24:06" (1/1) ... [2025-01-10 06:24:06,177 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:24:06" (1/1) ... [2025-01-10 06:24:06,179 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:24:06" (1/1) ... [2025-01-10 06:24:06,187 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:24:06" (1/1) ... [2025-01-10 06:24:06,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:24:06" (1/1) ... [2025-01-10 06:24:06,194 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:24:06" (1/1) ... [2025-01-10 06:24:06,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 06:24:06,204 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 06:24:06,205 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 06:24:06,205 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 06:24:06,205 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:24:06" (1/1) ... [2025-01-10 06:24:06,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:24:06,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:24:06,236 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) [2025-01-10 06:24:06,243 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 [2025-01-10 06:24:06,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-10 06:24:06,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-10 06:24:06,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-10 06:24:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-10 06:24:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-10 06:24:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-10 06:24:06,263 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-10 06:24:06,263 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-10 06:24:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-10 06:24:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 06:24:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-10 06:24:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-10 06:24:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-10 06:24:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-10 06:24:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-10 06:24:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 06:24:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-10 06:24:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 06:24:06,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 06:24:06,415 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 06:24:06,417 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 06:24:07,519 INFO L? ?]: Removed 229 outVars from TransFormulas that were not future-live. [2025-01-10 06:24:07,520 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 06:24:07,533 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 06:24:07,533 INFO L312 CfgBuilder]: Removed 18 assume(true) statements. [2025-01-10 06:24:07,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:24:07 BoogieIcfgContainer [2025-01-10 06:24:07,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 06:24:07,535 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 06:24:07,536 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 06:24:07,539 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 06:24:07,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:24:05" (1/3) ... [2025-01-10 06:24:07,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30fa4477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:24:07, skipping insertion in model container [2025-01-10 06:24:07,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:24:06" (2/3) ... [2025-01-10 06:24:07,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30fa4477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:24:07, skipping insertion in model container [2025-01-10 06:24:07,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:24:07" (3/3) ... [2025-01-10 06:24:07,541 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_SAX_nondet_test1-2.i [2025-01-10 06:24:07,553 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 06:24:07,555 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SAX_nondet_test1-2.i that has 3 procedures, 256 locations, 1 initial locations, 25 loop locations, and 6 error locations. [2025-01-10 06:24:07,593 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 06:24:07,600 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;@7ea83904, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 06:24:07,600 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-01-10 06:24:07,603 INFO L276 IsEmpty]: Start isEmpty. Operand has 252 states, 241 states have (on average 1.6099585062240664) internal successors, (388), 247 states have internal predecessors, (388), 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) [2025-01-10 06:24:07,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-01-10 06:24:07,607 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:24:07,607 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-01-10 06:24:07,607 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:24:07,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:24:07,611 INFO L85 PathProgramCache]: Analyzing trace with hash 44703485, now seen corresponding path program 1 times [2025-01-10 06:24:07,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:24:07,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677316525] [2025-01-10 06:24:07,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:24:07,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:24:07,669 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 06:24:07,679 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 06:24:07,680 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:24:07,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:24:07,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:24:07,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:24:07,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677316525] [2025-01-10 06:24:07,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677316525] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:24:07,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:24:07,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:24:07,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004982003] [2025-01-10 06:24:07,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:24:07,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:24:07,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:24:07,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:24:07,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:24:07,765 INFO L87 Difference]: Start difference. First operand has 252 states, 241 states have (on average 1.6099585062240664) internal successors, (388), 247 states have internal predecessors, (388), 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) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2025-01-10 06:24:07,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:24:07,824 INFO L93 Difference]: Finished difference Result 698 states and 1101 transitions. [2025-01-10 06:24:07,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:24:07,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2025-01-10 06:24:07,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:24:07,835 INFO L225 Difference]: With dead ends: 698 [2025-01-10 06:24:07,836 INFO L226 Difference]: Without dead ends: 409 [2025-01-10 06:24:07,839 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:24:07,843 INFO L435 NwaCegarLoop]: 349 mSDtfsCounter, 277 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:24:07,843 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 694 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:24:07,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2025-01-10 06:24:07,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 213. [2025-01-10 06:24:07,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 203 states have (on average 1.4532019704433496) internal successors, (295), 208 states have internal predecessors, (295), 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) [2025-01-10 06:24:07,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 301 transitions. [2025-01-10 06:24:07,918 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 301 transitions. Word has length 5 [2025-01-10 06:24:07,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:24:07,919 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 301 transitions. [2025-01-10 06:24:07,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2025-01-10 06:24:07,919 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 301 transitions. [2025-01-10 06:24:07,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-01-10 06:24:07,919 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:24:07,920 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-10 06:24:07,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 06:24:07,920 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:24:07,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:24:07,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1362875753, now seen corresponding path program 1 times [2025-01-10 06:24:07,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:24:07,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134001796] [2025-01-10 06:24:07,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:24:07,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:24:07,934 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 06:24:07,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 06:24:07,944 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:24:07,944 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:24:08,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:24:08,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:24:08,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134001796] [2025-01-10 06:24:08,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134001796] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:24:08,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:24:08,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:24:08,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513657470] [2025-01-10 06:24:08,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:24:08,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:24:08,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:24:08,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:24:08,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:24:08,054 INFO L87 Difference]: Start difference. First operand 213 states and 301 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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) [2025-01-10 06:24:08,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:24:08,076 INFO L93 Difference]: Finished difference Result 218 states and 307 transitions. [2025-01-10 06:24:08,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:24:08,077 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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 [2025-01-10 06:24:08,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:24:08,078 INFO L225 Difference]: With dead ends: 218 [2025-01-10 06:24:08,078 INFO L226 Difference]: Without dead ends: 217 [2025-01-10 06:24:08,078 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:24:08,079 INFO L435 NwaCegarLoop]: 297 mSDtfsCounter, 2 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:24:08,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 590 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:24:08,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2025-01-10 06:24:08,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 216. [2025-01-10 06:24:08,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 206 states have (on average 1.4466019417475728) internal successors, (298), 211 states have internal predecessors, (298), 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) [2025-01-10 06:24:08,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 304 transitions. [2025-01-10 06:24:08,093 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 304 transitions. Word has length 6 [2025-01-10 06:24:08,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:24:08,093 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 304 transitions. [2025-01-10 06:24:08,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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) [2025-01-10 06:24:08,093 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 304 transitions. [2025-01-10 06:24:08,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-01-10 06:24:08,093 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:24:08,093 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:24:08,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 06:24:08,094 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:24:08,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:24:08,094 INFO L85 PathProgramCache]: Analyzing trace with hash -700524554, now seen corresponding path program 1 times [2025-01-10 06:24:08,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:24:08,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953692966] [2025-01-10 06:24:08,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:24:08,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:24:08,102 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 06:24:08,114 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 06:24:08,115 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:24:08,115 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:24:08,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:24:08,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:24:08,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953692966] [2025-01-10 06:24:08,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953692966] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:24:08,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:24:08,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:24:08,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778569327] [2025-01-10 06:24:08,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:24:08,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:24:08,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:24:08,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:24:08,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:24:08,217 INFO L87 Difference]: Start difference. First operand 216 states and 304 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2025-01-10 06:24:08,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:24:08,248 INFO L93 Difference]: Finished difference Result 218 states and 306 transitions. [2025-01-10 06:24:08,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:24:08,249 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 7 [2025-01-10 06:24:08,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:24:08,250 INFO L225 Difference]: With dead ends: 218 [2025-01-10 06:24:08,251 INFO L226 Difference]: Without dead ends: 217 [2025-01-10 06:24:08,252 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:24:08,252 INFO L435 NwaCegarLoop]: 298 mSDtfsCounter, 0 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:24:08,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 879 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:24:08,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2025-01-10 06:24:08,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2025-01-10 06:24:08,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 207 states have (on average 1.4444444444444444) internal successors, (299), 212 states have internal predecessors, (299), 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) [2025-01-10 06:24:08,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 305 transitions. [2025-01-10 06:24:08,272 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 305 transitions. Word has length 7 [2025-01-10 06:24:08,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:24:08,272 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 305 transitions. [2025-01-10 06:24:08,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2025-01-10 06:24:08,272 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 305 transitions. [2025-01-10 06:24:08,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-01-10 06:24:08,275 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:24:08,275 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] [2025-01-10 06:24:08,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 06:24:08,276 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:24:08,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:24:08,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1230645322, now seen corresponding path program 1 times [2025-01-10 06:24:08,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:24:08,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055555048] [2025-01-10 06:24:08,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:24:08,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:24:08,308 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-01-10 06:24:08,314 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-01-10 06:24:08,314 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:24:08,314 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:24:08,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:24:08,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:24:08,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055555048] [2025-01-10 06:24:08,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055555048] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:24:08,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:24:08,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 06:24:08,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091432856] [2025-01-10 06:24:08,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:24:08,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:24:08,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:24:08,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:24:08,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:24:08,499 INFO L87 Difference]: Start difference. First operand 217 states and 305 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) [2025-01-10 06:24:08,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:24:08,566 INFO L93 Difference]: Finished difference Result 430 states and 606 transitions. [2025-01-10 06:24:08,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:24:08,566 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 [2025-01-10 06:24:08,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:24:08,567 INFO L225 Difference]: With dead ends: 430 [2025-01-10 06:24:08,567 INFO L226 Difference]: Without dead ends: 220 [2025-01-10 06:24:08,568 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 [2025-01-10 06:24:08,568 INFO L435 NwaCegarLoop]: 273 mSDtfsCounter, 105 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:24:08,568 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 726 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:24:08,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2025-01-10 06:24:08,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 217. [2025-01-10 06:24:08,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 207 states have (on average 1.4106280193236715) internal successors, (292), 212 states have internal predecessors, (292), 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) [2025-01-10 06:24:08,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 298 transitions. [2025-01-10 06:24:08,581 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 298 transitions. Word has length 79 [2025-01-10 06:24:08,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:24:08,581 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 298 transitions. [2025-01-10 06:24:08,581 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) [2025-01-10 06:24:08,585 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 298 transitions. [2025-01-10 06:24:08,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-01-10 06:24:08,587 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:24:08,587 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] [2025-01-10 06:24:08,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 06:24:08,587 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:24:08,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:24:08,587 INFO L85 PathProgramCache]: Analyzing trace with hash 251759786, now seen corresponding path program 1 times [2025-01-10 06:24:08,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:24:08,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962727789] [2025-01-10 06:24:08,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:24:08,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:24:08,619 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-01-10 06:24:08,633 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-01-10 06:24:08,633 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:24:08,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:24:08,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:24:08,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:24:08,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962727789] [2025-01-10 06:24:08,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962727789] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:24:08,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:24:08,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:24:08,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434142536] [2025-01-10 06:24:08,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:24:08,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:24:08,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:24:08,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:24:08,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:24:08,750 INFO L87 Difference]: Start difference. First operand 217 states and 298 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 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) [2025-01-10 06:24:08,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:24:08,801 INFO L93 Difference]: Finished difference Result 553 states and 775 transitions. [2025-01-10 06:24:08,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:24:08,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 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 [2025-01-10 06:24:08,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:24:08,804 INFO L225 Difference]: With dead ends: 553 [2025-01-10 06:24:08,805 INFO L226 Difference]: Without dead ends: 343 [2025-01-10 06:24:08,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:24:08,808 INFO L435 NwaCegarLoop]: 292 mSDtfsCounter, 134 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:24:08,808 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 576 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:24:08,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2025-01-10 06:24:08,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2025-01-10 06:24:08,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 333 states have (on average 1.4324324324324325) internal successors, (477), 338 states have internal predecessors, (477), 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) [2025-01-10 06:24:08,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 483 transitions. [2025-01-10 06:24:08,824 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 483 transitions. Word has length 79 [2025-01-10 06:24:08,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:24:08,825 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 483 transitions. [2025-01-10 06:24:08,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 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) [2025-01-10 06:24:08,825 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 483 transitions. [2025-01-10 06:24:08,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-01-10 06:24:08,828 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:24:08,828 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] [2025-01-10 06:24:08,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-10 06:24:08,830 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:24:08,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:24:08,831 INFO L85 PathProgramCache]: Analyzing trace with hash 192544732, now seen corresponding path program 1 times [2025-01-10 06:24:08,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:24:08,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607421707] [2025-01-10 06:24:08,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:24:08,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:24:08,891 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-01-10 06:24:08,918 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-01-10 06:24:08,918 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:24:08,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:24:09,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:24:09,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:24:09,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607421707] [2025-01-10 06:24:09,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607421707] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:24:09,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:24:09,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:24:09,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076792526] [2025-01-10 06:24:09,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:24:09,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:24:09,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:24:09,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:24:09,083 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:24:09,083 INFO L87 Difference]: Start difference. First operand 343 states and 483 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) [2025-01-10 06:24:09,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:24:09,125 INFO L93 Difference]: Finished difference Result 409 states and 569 transitions. [2025-01-10 06:24:09,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:24:09,125 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 [2025-01-10 06:24:09,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:24:09,128 INFO L225 Difference]: With dead ends: 409 [2025-01-10 06:24:09,129 INFO L226 Difference]: Without dead ends: 407 [2025-01-10 06:24:09,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:24:09,130 INFO L435 NwaCegarLoop]: 331 mSDtfsCounter, 186 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 945 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:24:09,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 945 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:24:09,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2025-01-10 06:24:09,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2025-01-10 06:24:09,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 394 states have (on average 1.4086294416243654) internal successors, (555), 399 states have internal predecessors, (555), 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) [2025-01-10 06:24:09,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 567 transitions. [2025-01-10 06:24:09,146 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 567 transitions. Word has length 94 [2025-01-10 06:24:09,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:24:09,148 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 567 transitions. [2025-01-10 06:24:09,148 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) [2025-01-10 06:24:09,148 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 567 transitions. [2025-01-10 06:24:09,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-01-10 06:24:09,150 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:24:09,150 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, 1, 1, 1, 1] [2025-01-10 06:24:09,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 06:24:09,150 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:24:09,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:24:09,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1108072224, now seen corresponding path program 1 times [2025-01-10 06:24:09,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:24:09,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507896782] [2025-01-10 06:24:09,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:24:09,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:24:09,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-01-10 06:24:09,206 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-01-10 06:24:09,206 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:24:09,206 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:24:09,372 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:24:09,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:24:09,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507896782] [2025-01-10 06:24:09,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507896782] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:24:09,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572712119] [2025-01-10 06:24:09,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:24:09,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:24:09,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:24:09,375 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) [2025-01-10 06:24:09,377 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 [2025-01-10 06:24:09,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-01-10 06:24:09,605 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-01-10 06:24:09,605 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:24:09,605 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:24:09,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 06:24:09,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:24:09,730 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:24:09,730 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:24:09,875 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:24:09,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572712119] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:24:09,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:24:09,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-01-10 06:24:09,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871658960] [2025-01-10 06:24:09,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:24:09,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 06:24:09,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:24:09,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 06:24:09,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-01-10 06:24:09,877 INFO L87 Difference]: Start difference. First operand 407 states and 567 transitions. Second operand has 10 states, 10 states have (on average 26.0) internal successors, (260), 10 states have internal predecessors, (260), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 06:24:09,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:24:09,950 INFO L93 Difference]: Finished difference Result 613 states and 856 transitions. [2025-01-10 06:24:09,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 06:24:09,951 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 26.0) internal successors, (260), 10 states have internal predecessors, (260), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 98 [2025-01-10 06:24:09,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:24:09,953 INFO L225 Difference]: With dead ends: 613 [2025-01-10 06:24:09,953 INFO L226 Difference]: Without dead ends: 607 [2025-01-10 06:24:09,953 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-01-10 06:24:09,954 INFO L435 NwaCegarLoop]: 330 mSDtfsCounter, 868 mSDsluCounter, 2084 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 875 SdHoareTripleChecker+Valid, 2414 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:24:09,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [875 Valid, 2414 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:24:09,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2025-01-10 06:24:09,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 605. [2025-01-10 06:24:09,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 589 states have (on average 1.4091680814940577) internal successors, (830), 594 states have internal predecessors, (830), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-01-10 06:24:09,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 848 transitions. [2025-01-10 06:24:09,967 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 848 transitions. Word has length 98 [2025-01-10 06:24:09,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:24:09,968 INFO L471 AbstractCegarLoop]: Abstraction has 605 states and 848 transitions. [2025-01-10 06:24:09,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 26.0) internal successors, (260), 10 states have internal predecessors, (260), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 06:24:09,968 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 848 transitions. [2025-01-10 06:24:09,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-01-10 06:24:09,969 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:24:09,969 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-10 06:24:09,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-10 06:24:10,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:24:10,173 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:24:10,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:24:10,174 INFO L85 PathProgramCache]: Analyzing trace with hash -13432858, now seen corresponding path program 1 times [2025-01-10 06:24:10,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:24:10,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901946011] [2025-01-10 06:24:10,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:24:10,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:24:10,207 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-01-10 06:24:10,243 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-01-10 06:24:10,244 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:24:10,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:24:10,608 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:24:10,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:24:10,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901946011] [2025-01-10 06:24:10,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901946011] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:24:10,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4436996] [2025-01-10 06:24:10,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:24:10,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:24:10,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:24:10,612 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) [2025-01-10 06:24:10,617 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 [2025-01-10 06:24:10,768 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-01-10 06:24:10,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-01-10 06:24:10,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:24:10,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:24:10,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 06:24:10,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:24:11,001 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:24:11,001 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:24:11,145 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:24:11,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [4436996] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:24:11,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:24:11,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-01-10 06:24:11,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701654449] [2025-01-10 06:24:11,145 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:24:11,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 06:24:11,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:24:11,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 06:24:11,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2025-01-10 06:24:11,148 INFO L87 Difference]: Start difference. First operand 605 states and 848 transitions. Second operand has 13 states, 12 states have (on average 15.666666666666666) internal successors, (188), 13 states have internal predecessors, (188), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 06:24:11,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:24:11,259 INFO L93 Difference]: Finished difference Result 813 states and 1141 transitions. [2025-01-10 06:24:11,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 06:24:11,260 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 15.666666666666666) internal successors, (188), 13 states have internal predecessors, (188), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 99 [2025-01-10 06:24:11,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:24:11,263 INFO L225 Difference]: With dead ends: 813 [2025-01-10 06:24:11,263 INFO L226 Difference]: Without dead ends: 812 [2025-01-10 06:24:11,263 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2025-01-10 06:24:11,264 INFO L435 NwaCegarLoop]: 286 mSDtfsCounter, 653 mSDsluCounter, 1737 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 2023 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:24:11,264 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [658 Valid, 2023 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:24:11,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2025-01-10 06:24:11,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 805. [2025-01-10 06:24:11,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 805 states, 786 states have (on average 1.4083969465648856) internal successors, (1107), 791 states have internal predecessors, (1107), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 06:24:11,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 1131 transitions. [2025-01-10 06:24:11,289 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 1131 transitions. Word has length 99 [2025-01-10 06:24:11,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:24:11,289 INFO L471 AbstractCegarLoop]: Abstraction has 805 states and 1131 transitions. [2025-01-10 06:24:11,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 15.666666666666666) internal successors, (188), 13 states have internal predecessors, (188), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 06:24:11,289 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1131 transitions. [2025-01-10 06:24:11,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-01-10 06:24:11,290 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:24:11,290 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] [2025-01-10 06:24:11,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-10 06:24:11,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:24:11,491 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:24:11,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:24:11,492 INFO L85 PathProgramCache]: Analyzing trace with hash -416418535, now seen corresponding path program 1 times [2025-01-10 06:24:11,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:24:11,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438256323] [2025-01-10 06:24:11,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:24:11,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:24:11,522 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-01-10 06:24:11,548 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-01-10 06:24:11,548 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:24:11,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:24:11,885 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:24:11,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:24:11,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438256323] [2025-01-10 06:24:11,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438256323] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:24:11,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949353910] [2025-01-10 06:24:11,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:24:11,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:24:11,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:24:11,891 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) [2025-01-10 06:24:11,894 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 [2025-01-10 06:24:12,064 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-01-10 06:24:12,132 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-01-10 06:24:12,132 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:24:12,132 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:24:12,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 06:24:12,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:24:12,284 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:24:12,285 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:24:12,420 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:24:12,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949353910] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:24:12,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:24:12,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-01-10 06:24:12,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659499448] [2025-01-10 06:24:12,421 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:24:12,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 06:24:12,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:24:12,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 06:24:12,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2025-01-10 06:24:12,422 INFO L87 Difference]: Start difference. First operand 805 states and 1131 transitions. Second operand has 13 states, 12 states have (on average 15.916666666666666) internal successors, (191), 13 states have internal predecessors, (191), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 06:24:12,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:24:12,537 INFO L93 Difference]: Finished difference Result 813 states and 1138 transitions. [2025-01-10 06:24:12,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 06:24:12,537 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 15.916666666666666) internal successors, (191), 13 states have internal predecessors, (191), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 100 [2025-01-10 06:24:12,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:24:12,540 INFO L225 Difference]: With dead ends: 813 [2025-01-10 06:24:12,541 INFO L226 Difference]: Without dead ends: 812 [2025-01-10 06:24:12,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2025-01-10 06:24:12,542 INFO L435 NwaCegarLoop]: 330 mSDtfsCounter, 792 mSDsluCounter, 2124 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 797 SdHoareTripleChecker+Valid, 2454 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:24:12,542 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [797 Valid, 2454 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:24:12,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2025-01-10 06:24:12,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 806. [2025-01-10 06:24:12,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 806 states, 787 states have (on average 1.4053367217280812) internal successors, (1106), 792 states have internal predecessors, (1106), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 06:24:12,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1130 transitions. [2025-01-10 06:24:12,562 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1130 transitions. Word has length 100 [2025-01-10 06:24:12,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:24:12,562 INFO L471 AbstractCegarLoop]: Abstraction has 806 states and 1130 transitions. [2025-01-10 06:24:12,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 15.916666666666666) internal successors, (191), 13 states have internal predecessors, (191), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 06:24:12,563 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1130 transitions. [2025-01-10 06:24:12,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-01-10 06:24:12,565 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:24:12,565 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-01-10 06:24:12,572 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-10 06:24:12,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:24:12,769 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:24:12,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:24:12,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1488731853, now seen corresponding path program 1 times [2025-01-10 06:24:12,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:24:12,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97869143] [2025-01-10 06:24:12,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:24:12,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:24:12,816 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-01-10 06:24:12,860 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-01-10 06:24:12,860 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:24:12,860 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:24:13,169 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:24:13,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:24:13,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97869143] [2025-01-10 06:24:13,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97869143] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:24:13,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876218272] [2025-01-10 06:24:13,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:24:13,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:24:13,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:24:13,171 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) [2025-01-10 06:24:13,175 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 [2025-01-10 06:24:13,360 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-01-10 06:24:13,453 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-01-10 06:24:13,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:24:13,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:24:13,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 06:24:13,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:24:13,636 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:24:13,637 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:24:13,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876218272] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:24:13,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:24:13,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-01-10 06:24:13,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336825698] [2025-01-10 06:24:13,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:24:13,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 06:24:13,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:24:13,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 06:24:13,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-01-10 06:24:13,638 INFO L87 Difference]: Start difference. First operand 806 states and 1130 transitions. Second operand has 6 states, 5 states have (on average 33.0) internal successors, (165), 6 states have internal predecessors, (165), 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) [2025-01-10 06:24:13,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:24:13,680 INFO L93 Difference]: Finished difference Result 806 states and 1130 transitions. [2025-01-10 06:24:13,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 06:24:13,680 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 33.0) internal successors, (165), 6 states have internal predecessors, (165), 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 172 [2025-01-10 06:24:13,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:24:13,683 INFO L225 Difference]: With dead ends: 806 [2025-01-10 06:24:13,683 INFO L226 Difference]: Without dead ends: 805 [2025-01-10 06:24:13,683 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-01-10 06:24:13,683 INFO L435 NwaCegarLoop]: 554 mSDtfsCounter, 383 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 1386 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:24:13,684 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 1386 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:24:13,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2025-01-10 06:24:13,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 805. [2025-01-10 06:24:13,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 805 states, 787 states have (on average 1.4015247776365947) internal successors, (1103), 791 states have internal predecessors, (1103), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 06:24:13,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 1127 transitions. [2025-01-10 06:24:13,699 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 1127 transitions. Word has length 172 [2025-01-10 06:24:13,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:24:13,700 INFO L471 AbstractCegarLoop]: Abstraction has 805 states and 1127 transitions. [2025-01-10 06:24:13,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 33.0) internal successors, (165), 6 states have internal predecessors, (165), 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) [2025-01-10 06:24:13,700 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1127 transitions. [2025-01-10 06:24:13,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2025-01-10 06:24:13,702 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:24:13,702 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:24:13,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-10 06:24:13,902 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,SelfDestructingSolverStorable9 [2025-01-10 06:24:13,903 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:24:13,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:24:13,904 INFO L85 PathProgramCache]: Analyzing trace with hash -99055907, now seen corresponding path program 1 times [2025-01-10 06:24:13,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:24:13,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679360312] [2025-01-10 06:24:13,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:24:13,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:24:14,051 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 251 statements into 1 equivalence classes. [2025-01-10 06:24:14,119 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 251 of 251 statements. [2025-01-10 06:24:14,119 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:24:14,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:24:14,286 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2025-01-10 06:24:14,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:24:14,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679360312] [2025-01-10 06:24:14,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679360312] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:24:14,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:24:14,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:24:14,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643883954] [2025-01-10 06:24:14,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:24:14,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:24:14,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:24:14,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:24:14,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:24:14,288 INFO L87 Difference]: Start difference. First operand 805 states and 1127 transitions. Second operand has 4 states, 3 states have (on average 56.333333333333336) internal successors, (169), 4 states have internal predecessors, (169), 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) [2025-01-10 06:24:14,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:24:14,321 INFO L93 Difference]: Finished difference Result 805 states and 1127 transitions. [2025-01-10 06:24:14,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:24:14,326 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 56.333333333333336) internal successors, (169), 4 states have internal predecessors, (169), 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 251 [2025-01-10 06:24:14,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:24:14,328 INFO L225 Difference]: With dead ends: 805 [2025-01-10 06:24:14,328 INFO L226 Difference]: Without dead ends: 804 [2025-01-10 06:24:14,329 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:24:14,329 INFO L435 NwaCegarLoop]: 286 mSDtfsCounter, 195 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:24:14,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 584 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:24:14,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2025-01-10 06:24:14,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 804. [2025-01-10 06:24:14,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 804 states, 787 states have (on average 1.3989834815756035) internal successors, (1101), 790 states have internal predecessors, (1101), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 06:24:14,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1125 transitions. [2025-01-10 06:24:14,351 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1125 transitions. Word has length 251 [2025-01-10 06:24:14,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:24:14,352 INFO L471 AbstractCegarLoop]: Abstraction has 804 states and 1125 transitions. [2025-01-10 06:24:14,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 56.333333333333336) internal successors, (169), 4 states have internal predecessors, (169), 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) [2025-01-10 06:24:14,352 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1125 transitions. [2025-01-10 06:24:14,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2025-01-10 06:24:14,355 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:24:14,355 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:24:14,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-01-10 06:24:14,355 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:24:14,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:24:14,355 INFO L85 PathProgramCache]: Analyzing trace with hash -331201534, now seen corresponding path program 1 times [2025-01-10 06:24:14,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:24:14,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163379905] [2025-01-10 06:24:14,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:24:14,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:24:14,434 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 254 statements into 1 equivalence classes. [2025-01-10 06:24:14,480 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 254 of 254 statements. [2025-01-10 06:24:14,481 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:24:14,481 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:24:14,868 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 233 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:24:14,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:24:14,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163379905] [2025-01-10 06:24:14,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163379905] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:24:14,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245489989] [2025-01-10 06:24:14,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:24:14,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:24:14,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:24:14,872 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) [2025-01-10 06:24:14,873 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 [2025-01-10 06:24:15,125 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 254 statements into 1 equivalence classes. [2025-01-10 06:24:15,288 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 254 of 254 statements. [2025-01-10 06:24:15,288 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:24:15,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:24:15,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 1306 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 06:24:15,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:24:15,585 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 233 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:24:15,586 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:24:15,907 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 233 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:24:15,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245489989] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:24:15,907 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:24:15,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2025-01-10 06:24:15,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351640599] [2025-01-10 06:24:15,907 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:24:15,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-01-10 06:24:15,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:24:15,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-01-10 06:24:15,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-01-10 06:24:15,909 INFO L87 Difference]: Start difference. First operand 804 states and 1125 transitions. Second operand has 18 states, 18 states have (on average 31.77777777777778) internal successors, (572), 18 states have internal predecessors, (572), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 06:24:16,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:24:16,091 INFO L93 Difference]: Finished difference Result 1400 states and 1964 transitions. [2025-01-10 06:24:16,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 06:24:16,092 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 31.77777777777778) internal successors, (572), 18 states have internal predecessors, (572), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 254 [2025-01-10 06:24:16,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:24:16,099 INFO L225 Difference]: With dead ends: 1400 [2025-01-10 06:24:16,099 INFO L226 Difference]: Without dead ends: 1395 [2025-01-10 06:24:16,099 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 499 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-01-10 06:24:16,100 INFO L435 NwaCegarLoop]: 286 mSDtfsCounter, 2978 mSDsluCounter, 2675 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2997 SdHoareTripleChecker+Valid, 2961 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:24:16,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2997 Valid, 2961 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:24:16,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2025-01-10 06:24:16,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1391. [2025-01-10 06:24:16,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1391 states, 1365 states have (on average 1.4014652014652014) internal successors, (1913), 1368 states have internal predecessors, (1913), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-01-10 06:24:16,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 1955 transitions. [2025-01-10 06:24:16,137 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 1955 transitions. Word has length 254 [2025-01-10 06:24:16,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:24:16,138 INFO L471 AbstractCegarLoop]: Abstraction has 1391 states and 1955 transitions. [2025-01-10 06:24:16,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 31.77777777777778) internal successors, (572), 18 states have internal predecessors, (572), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 06:24:16,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1955 transitions. [2025-01-10 06:24:16,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2025-01-10 06:24:16,142 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:24:16,143 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:24:16,155 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-10 06:24:16,344 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,SelfDestructingSolverStorable11 [2025-01-10 06:24:16,344 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:24:16,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:24:16,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1424720947, now seen corresponding path program 1 times [2025-01-10 06:24:16,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:24:16,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851414573] [2025-01-10 06:24:16,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:24:16,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:24:16,436 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 333 statements into 1 equivalence classes. [2025-01-10 06:24:16,507 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 333 of 333 statements. [2025-01-10 06:24:16,507 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:24:16,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:24:18,388 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 0 proven. 478 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:24:18,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:24:18,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851414573] [2025-01-10 06:24:18,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851414573] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:24:18,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495099634] [2025-01-10 06:24:18,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:24:18,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:24:18,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:24:18,391 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) [2025-01-10 06:24:18,393 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 [2025-01-10 06:24:18,738 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 333 statements into 1 equivalence classes. [2025-01-10 06:24:18,911 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 333 of 333 statements. [2025-01-10 06:24:18,911 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:24:18,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:24:18,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 1715 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-01-10 06:24:18,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:24:19,357 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 0 proven. 478 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:24:19,357 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:24:19,798 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 0 proven. 478 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:24:19,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495099634] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:24:19,798 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:24:19,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 27 [2025-01-10 06:24:19,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835960159] [2025-01-10 06:24:19,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:24:19,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-01-10 06:24:19,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:24:19,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-01-10 06:24:19,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=498, Unknown=0, NotChecked=0, Total=756 [2025-01-10 06:24:19,802 INFO L87 Difference]: Start difference. First operand 1391 states and 1955 transitions. Second operand has 28 states, 27 states have (on average 24.62962962962963) internal successors, (665), 28 states have internal predecessors, (665), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 06:24:20,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:24:20,198 INFO L93 Difference]: Finished difference Result 1996 states and 2816 transitions. [2025-01-10 06:24:20,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-10 06:24:20,198 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 24.62962962962963) internal successors, (665), 28 states have internal predecessors, (665), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 333 [2025-01-10 06:24:20,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:24:20,205 INFO L225 Difference]: With dead ends: 1996 [2025-01-10 06:24:20,205 INFO L226 Difference]: Without dead ends: 1995 [2025-01-10 06:24:20,206 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 680 GetRequests, 649 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=338, Invalid=718, Unknown=0, NotChecked=0, Total=1056 [2025-01-10 06:24:20,207 INFO L435 NwaCegarLoop]: 284 mSDtfsCounter, 3839 mSDsluCounter, 4024 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3862 SdHoareTripleChecker+Valid, 4308 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 06:24:20,207 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3862 Valid, 4308 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 06:24:20,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1995 states. [2025-01-10 06:24:20,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1995 to 1985. [2025-01-10 06:24:20,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1985 states, 1950 states have (on average 1.4015384615384616) internal successors, (2733), 1953 states have internal predecessors, (2733), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-10 06:24:20,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2793 transitions. [2025-01-10 06:24:20,246 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2793 transitions. Word has length 333 [2025-01-10 06:24:20,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:24:20,247 INFO L471 AbstractCegarLoop]: Abstraction has 1985 states and 2793 transitions. [2025-01-10 06:24:20,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 24.62962962962963) internal successors, (665), 28 states have internal predecessors, (665), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 06:24:20,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2793 transitions. [2025-01-10 06:24:20,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2025-01-10 06:24:20,251 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:24:20,251 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:24:20,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-10 06:24:20,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-01-10 06:24:20,451 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:24:20,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:24:20,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1216676460, now seen corresponding path program 1 times [2025-01-10 06:24:20,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:24:20,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93494773] [2025-01-10 06:24:20,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:24:20,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:24:20,525 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 334 statements into 1 equivalence classes. [2025-01-10 06:24:20,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 334 of 334 statements. [2025-01-10 06:24:20,580 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:24:20,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:24:22,323 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 482 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:24:22,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:24:22,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93494773] [2025-01-10 06:24:22,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93494773] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:24:22,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693219183] [2025-01-10 06:24:22,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:24:22,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:24:22,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:24:22,325 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) [2025-01-10 06:24:22,327 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 [2025-01-10 06:24:22,719 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 334 statements into 1 equivalence classes. [2025-01-10 06:24:22,888 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 334 of 334 statements. [2025-01-10 06:24:22,888 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:24:22,888 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:24:22,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 1716 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-01-10 06:24:22,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:24:23,235 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 482 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:24:23,235 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:24:23,582 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 482 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:24:23,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693219183] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:24:23,582 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:24:23,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 27 [2025-01-10 06:24:23,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092777656] [2025-01-10 06:24:23,583 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:24:23,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-01-10 06:24:23,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:24:23,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-01-10 06:24:23,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=498, Unknown=0, NotChecked=0, Total=756 [2025-01-10 06:24:23,585 INFO L87 Difference]: Start difference. First operand 1985 states and 2793 transitions. Second operand has 28 states, 27 states have (on average 24.74074074074074) internal successors, (668), 28 states have internal predecessors, (668), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 06:24:23,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:24:23,820 INFO L93 Difference]: Finished difference Result 1996 states and 2810 transitions. [2025-01-10 06:24:23,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-10 06:24:23,820 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 24.74074074074074) internal successors, (668), 28 states have internal predecessors, (668), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 334 [2025-01-10 06:24:23,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:24:23,827 INFO L225 Difference]: With dead ends: 1996 [2025-01-10 06:24:23,827 INFO L226 Difference]: Without dead ends: 1995 [2025-01-10 06:24:23,828 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 682 GetRequests, 651 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=338, Invalid=718, Unknown=0, NotChecked=0, Total=1056 [2025-01-10 06:24:23,828 INFO L435 NwaCegarLoop]: 371 mSDtfsCounter, 2936 mSDsluCounter, 3291 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2959 SdHoareTripleChecker+Valid, 3662 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:24:23,828 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2959 Valid, 3662 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:24:23,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1995 states. [2025-01-10 06:24:23,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1995 to 1986. [2025-01-10 06:24:23,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1986 states, 1951 states have (on average 1.398769861609431) internal successors, (2729), 1954 states have internal predecessors, (2729), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-10 06:24:23,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1986 states to 1986 states and 2789 transitions. [2025-01-10 06:24:23,864 INFO L78 Accepts]: Start accepts. Automaton has 1986 states and 2789 transitions. Word has length 334 [2025-01-10 06:24:23,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:24:23,865 INFO L471 AbstractCegarLoop]: Abstraction has 1986 states and 2789 transitions. [2025-01-10 06:24:23,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 24.74074074074074) internal successors, (668), 28 states have internal predecessors, (668), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 06:24:23,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 2789 transitions. [2025-01-10 06:24:23,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2025-01-10 06:24:23,871 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:24:23,871 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:24:23,884 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-10 06:24:24,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:24:24,073 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:24:24,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:24:24,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1285282490, now seen corresponding path program 2 times [2025-01-10 06:24:24,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:24:24,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570434807] [2025-01-10 06:24:24,076 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:24:24,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:24:24,215 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 566 statements into 2 equivalence classes. [2025-01-10 06:24:24,317 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 566 of 566 statements. [2025-01-10 06:24:24,317 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 06:24:24,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:24:25,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1637 backedges. 0 proven. 1633 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:24:25,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:24:25,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570434807] [2025-01-10 06:24:25,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570434807] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:24:25,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462032489] [2025-01-10 06:24:25,431 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:24:25,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:24:25,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:24:25,433 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) [2025-01-10 06:24:25,435 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 [2025-01-10 06:24:25,860 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 566 statements into 2 equivalence classes. [2025-01-10 06:24:26,131 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 566 of 566 statements. [2025-01-10 06:24:26,131 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 06:24:26,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:24:26,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 2814 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-10 06:24:26,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:24:26,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1637 backedges. 0 proven. 1633 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:24:26,576 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:24:27,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1637 backedges. 0 proven. 1633 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:24:27,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462032489] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:24:27,144 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:24:27,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2025-01-10 06:24:27,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554452641] [2025-01-10 06:24:27,145 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:24:27,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-01-10 06:24:27,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:24:27,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-01-10 06:24:27,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2025-01-10 06:24:27,147 INFO L87 Difference]: Start difference. First operand 1986 states and 2789 transitions. Second operand has 23 states, 23 states have (on average 35.17391304347826) internal successors, (809), 23 states have internal predecessors, (809), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 06:24:27,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:24:27,343 INFO L93 Difference]: Finished difference Result 1991 states and 2794 transitions. [2025-01-10 06:24:27,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-10 06:24:27,343 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 35.17391304347826) internal successors, (809), 23 states have internal predecessors, (809), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 566 [2025-01-10 06:24:27,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:24:27,350 INFO L225 Difference]: With dead ends: 1991 [2025-01-10 06:24:27,350 INFO L226 Difference]: Without dead ends: 1986 [2025-01-10 06:24:27,350 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1147 GetRequests, 1115 SyntacticMatches, 11 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2025-01-10 06:24:27,351 INFO L435 NwaCegarLoop]: 329 mSDtfsCounter, 3133 mSDsluCounter, 3351 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3159 SdHoareTripleChecker+Valid, 3680 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:24:27,351 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3159 Valid, 3680 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:24:27,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1986 states. [2025-01-10 06:24:27,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1986 to 1986. [2025-01-10 06:24:27,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1986 states, 1951 states have (on average 1.3972321886212198) internal successors, (2726), 1954 states have internal predecessors, (2726), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-10 06:24:27,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1986 states to 1986 states and 2786 transitions. [2025-01-10 06:24:27,382 INFO L78 Accepts]: Start accepts. Automaton has 1986 states and 2786 transitions. Word has length 566 [2025-01-10 06:24:27,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:24:27,383 INFO L471 AbstractCegarLoop]: Abstraction has 1986 states and 2786 transitions. [2025-01-10 06:24:27,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 35.17391304347826) internal successors, (809), 23 states have internal predecessors, (809), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 06:24:27,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 2786 transitions. [2025-01-10 06:24:27,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 801 [2025-01-10 06:24:27,396 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:24:27,396 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:24:27,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-10 06:24:27,596 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,SelfDestructingSolverStorable14 [2025-01-10 06:24:27,598 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:24:27,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:24:27,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1677523929, now seen corresponding path program 3 times [2025-01-10 06:24:27,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:24:27,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146805084] [2025-01-10 06:24:27,599 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 06:24:27,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:24:27,774 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 800 statements into 12 equivalence classes. [2025-01-10 06:24:27,838 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 83 of 800 statements. [2025-01-10 06:24:27,838 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-10 06:24:27,838 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:24:28,021 INFO L134 CoverageAnalysis]: Checked inductivity of 3506 backedges. 638 proven. 0 refuted. 0 times theorem prover too weak. 2868 trivial. 0 not checked. [2025-01-10 06:24:28,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:24:28,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146805084] [2025-01-10 06:24:28,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146805084] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:24:28,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:24:28,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-10 06:24:28,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063654646] [2025-01-10 06:24:28,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:24:28,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 06:24:28,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:24:28,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 06:24:28,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-10 06:24:28,023 INFO L87 Difference]: Start difference. First operand 1986 states and 2786 transitions. Second operand has 6 states, 6 states have (on average 27.5) internal successors, (165), 6 states have internal predecessors, (165), 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) [2025-01-10 06:24:28,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:24:28,448 INFO L93 Difference]: Finished difference Result 4221 states and 5893 transitions. [2025-01-10 06:24:28,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 06:24:28,448 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.5) internal successors, (165), 6 states have internal predecessors, (165), 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 800 [2025-01-10 06:24:28,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:24:28,453 INFO L225 Difference]: With dead ends: 4221 [2025-01-10 06:24:28,453 INFO L226 Difference]: Without dead ends: 2326 [2025-01-10 06:24:28,455 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-01-10 06:24:28,455 INFO L435 NwaCegarLoop]: 275 mSDtfsCounter, 14 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 06:24:28,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 832 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 06:24:28,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2326 states. [2025-01-10 06:24:28,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2326 to 2256. [2025-01-10 06:24:28,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2256 states, 2221 states have (on average 1.375956776226925) internal successors, (3056), 2224 states have internal predecessors, (3056), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-10 06:24:28,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 2256 states and 3116 transitions. [2025-01-10 06:24:28,487 INFO L78 Accepts]: Start accepts. Automaton has 2256 states and 3116 transitions. Word has length 800 [2025-01-10 06:24:28,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:24:28,487 INFO L471 AbstractCegarLoop]: Abstraction has 2256 states and 3116 transitions. [2025-01-10 06:24:28,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.5) internal successors, (165), 6 states have internal predecessors, (165), 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) [2025-01-10 06:24:28,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2256 states and 3116 transitions. [2025-01-10 06:24:28,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2025-01-10 06:24:28,493 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:24:28,493 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:24:28,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-01-10 06:24:28,493 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:24:28,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:24:28,494 INFO L85 PathProgramCache]: Analyzing trace with hash -408233043, now seen corresponding path program 1 times [2025-01-10 06:24:28,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:24:28,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504399219] [2025-01-10 06:24:28,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:24:28,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:24:28,654 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 810 statements into 1 equivalence classes. [2025-01-10 06:24:28,937 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 810 of 810 statements. [2025-01-10 06:24:28,937 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:24:28,937 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:24:29,787 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 3208 trivial. 0 not checked. [2025-01-10 06:24:29,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:24:29,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504399219] [2025-01-10 06:24:29,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504399219] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:24:29,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:24:29,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-10 06:24:29,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999093397] [2025-01-10 06:24:29,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:24:29,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 06:24:29,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:24:29,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 06:24:29,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-01-10 06:24:29,790 INFO L87 Difference]: Start difference. First operand 2256 states and 3116 transitions. Second operand has 7 states, 7 states have (on average 19.0) internal successors, (133), 7 states have internal predecessors, (133), 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) [2025-01-10 06:24:30,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:24:30,242 INFO L93 Difference]: Finished difference Result 4519 states and 6272 transitions. [2025-01-10 06:24:30,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 06:24:30,243 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.0) internal successors, (133), 7 states have internal predecessors, (133), 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 810 [2025-01-10 06:24:30,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:24:30,249 INFO L225 Difference]: With dead ends: 4519 [2025-01-10 06:24:30,249 INFO L226 Difference]: Without dead ends: 2386 [2025-01-10 06:24:30,252 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 [2025-01-10 06:24:30,253 INFO L435 NwaCegarLoop]: 269 mSDtfsCounter, 15 mSDsluCounter, 733 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 06:24:30,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 1002 Invalid, 744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 06:24:30,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2386 states. [2025-01-10 06:24:30,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2386 to 2356. [2025-01-10 06:24:30,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2356 states, 2321 states have (on average 1.3813011632916845) internal successors, (3206), 2324 states have internal predecessors, (3206), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-10 06:24:30,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2356 states to 2356 states and 3266 transitions. [2025-01-10 06:24:30,307 INFO L78 Accepts]: Start accepts. Automaton has 2356 states and 3266 transitions. Word has length 810 [2025-01-10 06:24:30,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:24:30,307 INFO L471 AbstractCegarLoop]: Abstraction has 2356 states and 3266 transitions. [2025-01-10 06:24:30,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.0) internal successors, (133), 7 states have internal predecessors, (133), 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) [2025-01-10 06:24:30,308 INFO L276 IsEmpty]: Start isEmpty. Operand 2356 states and 3266 transitions. [2025-01-10 06:24:30,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2025-01-10 06:24:30,317 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:24:30,317 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:24:30,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-01-10 06:24:30,317 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:24:30,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:24:30,318 INFO L85 PathProgramCache]: Analyzing trace with hash -32440875, now seen corresponding path program 1 times [2025-01-10 06:24:30,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:24:30,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106720291] [2025-01-10 06:24:30,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:24:30,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:24:30,526 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 810 statements into 1 equivalence classes.