./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 e277983cfe4b30513b023d34f2b840358d8a25fd7a5c39241cadd105379bfb92 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 14:56:41,374 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 14:56:41,429 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-04 14:56:41,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 14:56:41,433 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 14:56:41,452 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 14:56:41,453 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 14:56:41,453 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 14:56:41,454 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 14:56:41,454 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 14:56:41,454 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 14:56:41,455 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 14:56:41,455 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 14:56:41,455 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 14:56:41,455 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 14:56:41,455 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 14:56:41,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 14:56:41,456 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 14:56:41,456 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 14:56:41,456 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 14:56:41,456 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 14:56:41,456 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 14:56:41,456 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 14:56:41,456 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 14:56:41,456 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-04 14:56:41,456 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 14:56:41,456 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 14:56:41,456 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 14:56:41,457 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 14:56:41,457 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 14:56:41,457 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 14:56:41,457 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 14:56:41,457 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 14:56:41,457 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 14:56:41,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 14:56:41,458 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 14:56:41,458 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 14:56:41,458 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 14:56:41,458 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 14:56:41,458 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 14:56:41,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 14:56:41,458 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 14:56:41,458 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 14:56:41,458 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 14:56:41,458 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 14:56:41,458 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/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 -> e277983cfe4b30513b023d34f2b840358d8a25fd7a5c39241cadd105379bfb92 [2025-03-04 14:56:41,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 14:56:41,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 14:56:41,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 14:56:41,703 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 14:56:41,703 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 14:56:41,704 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-1.i [2025-03-04 14:56:42,858 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1b85f1b6/1599bdaff75a469fa81e71a16590132e/FLAG0a9fcf031 [2025-03-04 14:56:43,149 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 14:56:43,150 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-1.i [2025-03-04 14:56:43,168 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1b85f1b6/1599bdaff75a469fa81e71a16590132e/FLAG0a9fcf031 [2025-03-04 14:56:43,426 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1b85f1b6/1599bdaff75a469fa81e71a16590132e [2025-03-04 14:56:43,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 14:56:43,430 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 14:56:43,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 14:56:43,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 14:56:43,436 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 14:56:43,437 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:56:43" (1/1) ... [2025-03-04 14:56:43,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5593a239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:43, skipping insertion in model container [2025-03-04 14:56:43,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:56:43" (1/1) ... [2025-03-04 14:56:43,466 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 14:56:43,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 14:56:43,837 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 14:56:43,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 14:56:43,945 INFO L204 MainTranslator]: Completed translation [2025-03-04 14:56:43,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:43 WrapperNode [2025-03-04 14:56:43,946 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 14:56:43,946 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 14:56:43,946 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 14:56:43,946 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 14:56:43,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:43" (1/1) ... [2025-03-04 14:56:43,970 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:43" (1/1) ... [2025-03-04 14:56:44,010 INFO L138 Inliner]: procedures = 207, calls = 222, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1247 [2025-03-04 14:56:44,011 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 14:56:44,011 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 14:56:44,011 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 14:56:44,011 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 14:56:44,019 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:43" (1/1) ... [2025-03-04 14:56:44,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:43" (1/1) ... [2025-03-04 14:56:44,030 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:43" (1/1) ... [2025-03-04 14:56:44,073 INFO L175 MemorySlicer]: Split 206 memory accesses to 3 slices as follows [2, 170, 34]. 83 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 46 writes are split as follows [0, 42, 4]. [2025-03-04 14:56:44,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:43" (1/1) ... [2025-03-04 14:56:44,074 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:43" (1/1) ... [2025-03-04 14:56:44,092 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:43" (1/1) ... [2025-03-04 14:56:44,094 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:43" (1/1) ... [2025-03-04 14:56:44,096 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:43" (1/1) ... [2025-03-04 14:56:44,098 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:43" (1/1) ... [2025-03-04 14:56:44,107 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 14:56:44,110 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 14:56:44,110 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 14:56:44,110 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 14:56:44,112 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:43" (1/1) ... [2025-03-04 14:56:44,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 14:56:44,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 14:56:44,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 14:56:44,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 14:56:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-04 14:56:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-04 14:56:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-04 14:56:44,156 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-04 14:56:44,156 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-04 14:56:44,156 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-04 14:56:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 14:56:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 14:56:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 14:56:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 14:56:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 14:56:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 14:56:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 14:56:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 14:56:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 14:56:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 14:56:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 14:56:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 14:56:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 14:56:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 14:56:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 14:56:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 14:56:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 14:56:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 14:56:44,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 14:56:44,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 14:56:44,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 14:56:44,315 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 14:56:44,316 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 14:56:45,336 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L812: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2025-03-04 14:56:45,443 INFO L? ?]: Removed 303 outVars from TransFormulas that were not future-live. [2025-03-04 14:56:45,444 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 14:56:45,483 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 14:56:45,483 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-04 14:56:45,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:56:45 BoogieIcfgContainer [2025-03-04 14:56:45,485 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 14:56:45,487 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 14:56:45,487 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 14:56:45,490 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 14:56:45,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:56:43" (1/3) ... [2025-03-04 14:56:45,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@122502d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:56:45, skipping insertion in model container [2025-03-04 14:56:45,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:43" (2/3) ... [2025-03-04 14:56:45,491 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@122502d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:56:45, skipping insertion in model container [2025-03-04 14:56:45,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:56:45" (3/3) ... [2025-03-04 14:56:45,491 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_OAT_nondet_test2-1.i [2025-03-04 14:56:45,504 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 14:56:45,505 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_OAT_nondet_test2-1.i that has 4 procedures, 380 locations, 1 initial locations, 31 loop locations, and 6 error locations. [2025-03-04 14:56:45,555 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 14:56:45,564 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;@43dac807, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 14:56:45,564 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-03-04 14:56:45,567 INFO L276 IsEmpty]: Start isEmpty. Operand has 372 states, 361 states have (on average 1.6232686980609419) internal successors, (586), 367 states have internal predecessors, (586), 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) [2025-03-04 14:56:45,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-04 14:56:45,572 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:56:45,572 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:56:45,573 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 14:56:45,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:56:45,577 INFO L85 PathProgramCache]: Analyzing trace with hash -817968332, now seen corresponding path program 1 times [2025-03-04 14:56:45,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:56:45,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192897395] [2025-03-04 14:56:45,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:56:45,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:56:45,650 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 14:56:45,659 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 14:56:45,660 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:56:45,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:56:45,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 14:56:45,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:56:45,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192897395] [2025-03-04 14:56:45,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192897395] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:56:45,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:56:45,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 14:56:45,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644421254] [2025-03-04 14:56:45,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:56:45,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 14:56:45,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:56:45,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 14:56:45,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 14:56:45,730 INFO L87 Difference]: Start difference. First operand has 372 states, 361 states have (on average 1.6232686980609419) internal successors, (586), 367 states have internal predecessors, (586), 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 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2025-03-04 14:56:45,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:56:45,862 INFO L93 Difference]: Finished difference Result 740 states and 1179 transitions. [2025-03-04 14:56:45,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 14:56:45,864 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2025-03-04 14:56:45,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:56:45,874 INFO L225 Difference]: With dead ends: 740 [2025-03-04 14:56:45,874 INFO L226 Difference]: Without dead ends: 366 [2025-03-04 14:56:45,877 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 14:56:45,879 INFO L435 NwaCegarLoop]: 494 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 14:56:45,879 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 494 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 14:56:45,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2025-03-04 14:56:45,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2025-03-04 14:56:45,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 356 states have (on average 1.4691011235955056) internal successors, (523), 361 states have internal predecessors, (523), 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) [2025-03-04 14:56:45,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 529 transitions. [2025-03-04 14:56:45,924 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 529 transitions. Word has length 8 [2025-03-04 14:56:45,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:56:45,924 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 529 transitions. [2025-03-04 14:56:45,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2025-03-04 14:56:45,925 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 529 transitions. [2025-03-04 14:56:45,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-04 14:56:45,925 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:56:45,925 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:56:45,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 14:56:45,925 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 14:56:45,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:56:45,926 INFO L85 PathProgramCache]: Analyzing trace with hash -817967371, now seen corresponding path program 1 times [2025-03-04 14:56:45,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:56:45,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801720260] [2025-03-04 14:56:45,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:56:45,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:56:45,935 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 14:56:45,955 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 14:56:45,955 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:56:45,955 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 14:56:45,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1234400689] [2025-03-04 14:56:45,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:56:45,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 14:56:45,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 14:56:45,959 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 14:56:45,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 14:56:46,053 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 14:56:46,064 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 14:56:46,065 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:56:46,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:56:46,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 14:56:46,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 14:56:46,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-03-04 14:56:46,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 14:56:46,132 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 14:56:46,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:56:46,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801720260] [2025-03-04 14:56:46,133 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 14:56:46,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234400689] [2025-03-04 14:56:46,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234400689] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:56:46,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:56:46,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 14:56:46,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686389629] [2025-03-04 14:56:46,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:56:46,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 14:56:46,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:56:46,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 14:56:46,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 14:56:46,135 INFO L87 Difference]: Start difference. First operand 366 states and 529 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2025-03-04 14:56:46,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:56:46,380 INFO L93 Difference]: Finished difference Result 725 states and 1051 transitions. [2025-03-04 14:56:46,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 14:56:46,382 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2025-03-04 14:56:46,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:56:46,385 INFO L225 Difference]: With dead ends: 725 [2025-03-04 14:56:46,385 INFO L226 Difference]: Without dead ends: 723 [2025-03-04 14:56:46,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 14:56:46,388 INFO L435 NwaCegarLoop]: 465 mSDtfsCounter, 509 mSDsluCounter, 924 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 1389 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 14:56:46,389 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 1389 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 14:56:46,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2025-03-04 14:56:46,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 372. [2025-03-04 14:56:46,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 362 states have (on average 1.4640883977900552) internal successors, (530), 367 states have internal predecessors, (530), 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) [2025-03-04 14:56:46,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 536 transitions. [2025-03-04 14:56:46,422 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 536 transitions. Word has length 8 [2025-03-04 14:56:46,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:56:46,422 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 536 transitions. [2025-03-04 14:56:46,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2025-03-04 14:56:46,422 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 536 transitions. [2025-03-04 14:56:46,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-03-04 14:56:46,428 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:56:46,428 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] [2025-03-04 14:56:46,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-04 14:56:46,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 14:56:46,632 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)] === [2025-03-04 14:56:46,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:56:46,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1760185792, now seen corresponding path program 1 times [2025-03-04 14:56:46,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:56:46,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858174651] [2025-03-04 14:56:46,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:56:46,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:56:46,645 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-04 14:56:46,655 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-04 14:56:46,655 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:56:46,655 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:56:46,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 14:56:46,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:56:46,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858174651] [2025-03-04 14:56:46,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858174651] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:56:46,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:56:46,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 14:56:46,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525199707] [2025-03-04 14:56:46,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:56:46,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 14:56:46,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:56:46,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 14:56:46,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 14:56:46,877 INFO L87 Difference]: Start difference. First operand 372 states and 536 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) [2025-03-04 14:56:46,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:56:46,997 INFO L93 Difference]: Finished difference Result 488 states and 703 transitions. [2025-03-04 14:56:46,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 14:56:46,997 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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 65 [2025-03-04 14:56:46,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:56:46,998 INFO L225 Difference]: With dead ends: 488 [2025-03-04 14:56:46,998 INFO L226 Difference]: Without dead ends: 330 [2025-03-04 14:56:46,999 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 [2025-03-04 14:56:46,999 INFO L435 NwaCegarLoop]: 393 mSDtfsCounter, 36 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 1165 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 14:56:46,999 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 1165 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 14:56:47,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2025-03-04 14:56:47,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2025-03-04 14:56:47,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 320 states have (on average 1.415625) internal successors, (453), 325 states have internal predecessors, (453), 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) [2025-03-04 14:56:47,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 459 transitions. [2025-03-04 14:56:47,015 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 459 transitions. Word has length 65 [2025-03-04 14:56:47,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:56:47,015 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 459 transitions. [2025-03-04 14:56:47,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) [2025-03-04 14:56:47,015 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 459 transitions. [2025-03-04 14:56:47,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-03-04 14:56:47,019 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:56:47,019 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] [2025-03-04 14:56:47,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 14:56:47,019 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 14:56:47,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:56:47,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1926067190, now seen corresponding path program 1 times [2025-03-04 14:56:47,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:56:47,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877570451] [2025-03-04 14:56:47,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:56:47,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:56:47,033 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-04 14:56:47,044 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-04 14:56:47,045 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:56:47,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:56:47,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 14:56:47,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:56:47,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877570451] [2025-03-04 14:56:47,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877570451] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:56:47,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:56:47,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 14:56:47,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279907710] [2025-03-04 14:56:47,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:56:47,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 14:56:47,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:56:47,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 14:56:47,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 14:56:47,141 INFO L87 Difference]: Start difference. First operand 330 states and 459 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) [2025-03-04 14:56:47,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:56:47,237 INFO L93 Difference]: Finished difference Result 440 states and 609 transitions. [2025-03-04 14:56:47,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 14:56:47,238 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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 65 [2025-03-04 14:56:47,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:56:47,239 INFO L225 Difference]: With dead ends: 440 [2025-03-04 14:56:47,239 INFO L226 Difference]: Without dead ends: 324 [2025-03-04 14:56:47,239 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 [2025-03-04 14:56:47,240 INFO L435 NwaCegarLoop]: 395 mSDtfsCounter, 9 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1166 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 14:56:47,240 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1166 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 14:56:47,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2025-03-04 14:56:47,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 324. [2025-03-04 14:56:47,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 314 states have (on average 1.410828025477707) internal successors, (443), 319 states have internal predecessors, (443), 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) [2025-03-04 14:56:47,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 449 transitions. [2025-03-04 14:56:47,254 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 449 transitions. Word has length 65 [2025-03-04 14:56:47,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:56:47,255 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 449 transitions. [2025-03-04 14:56:47,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) [2025-03-04 14:56:47,255 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 449 transitions. [2025-03-04 14:56:47,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-03-04 14:56:47,259 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:56:47,259 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] [2025-03-04 14:56:47,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 14:56:47,259 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 14:56:47,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:56:47,260 INFO L85 PathProgramCache]: Analyzing trace with hash 150858234, now seen corresponding path program 1 times [2025-03-04 14:56:47,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:56:47,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719183470] [2025-03-04 14:56:47,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:56:47,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:56:47,282 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-04 14:56:47,299 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-04 14:56:47,302 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:56:47,302 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:56:47,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 14:56:47,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:56:47,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719183470] [2025-03-04 14:56:47,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719183470] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:56:47,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:56:47,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 14:56:47,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086845575] [2025-03-04 14:56:47,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:56:47,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 14:56:47,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:56:47,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 14:56:47,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 14:56:47,493 INFO L87 Difference]: Start difference. First operand 324 states and 449 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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) [2025-03-04 14:56:47,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:56:47,637 INFO L93 Difference]: Finished difference Result 627 states and 875 transitions. [2025-03-04 14:56:47,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 14:56:47,638 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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 65 [2025-03-04 14:56:47,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:56:47,640 INFO L225 Difference]: With dead ends: 627 [2025-03-04 14:56:47,640 INFO L226 Difference]: Without dead ends: 625 [2025-03-04 14:56:47,641 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 14:56:47,641 INFO L435 NwaCegarLoop]: 435 mSDtfsCounter, 366 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 1259 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 14:56:47,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 1259 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 14:56:47,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2025-03-04 14:56:47,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 432. [2025-03-04 14:56:47,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 422 states have (on average 1.3909952606635072) internal successors, (587), 427 states have internal predecessors, (587), 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) [2025-03-04 14:56:47,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 593 transitions. [2025-03-04 14:56:47,651 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 593 transitions. Word has length 65 [2025-03-04 14:56:47,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:56:47,651 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 593 transitions. [2025-03-04 14:56:47,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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) [2025-03-04 14:56:47,652 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 593 transitions. [2025-03-04 14:56:47,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-04 14:56:47,653 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:56:47,653 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, 1] [2025-03-04 14:56:47,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 14:56:47,654 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 14:56:47,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:56:47,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1469598181, now seen corresponding path program 1 times [2025-03-04 14:56:47,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:56:47,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28905683] [2025-03-04 14:56:47,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:56:47,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:56:47,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-04 14:56:47,687 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-04 14:56:47,687 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:56:47,687 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:56:47,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 14:56:47,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:56:47,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28905683] [2025-03-04 14:56:47,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28905683] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:56:47,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:56:47,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 14:56:47,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584451893] [2025-03-04 14:56:47,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:56:47,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 14:56:47,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:56:47,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 14:56:47,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 14:56:47,806 INFO L87 Difference]: Start difference. First operand 432 states and 593 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2025-03-04 14:56:47,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:56:47,921 INFO L93 Difference]: Finished difference Result 858 states and 1179 transitions. [2025-03-04 14:56:47,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 14:56:47,921 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 80 [2025-03-04 14:56:47,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:56:47,923 INFO L225 Difference]: With dead ends: 858 [2025-03-04 14:56:47,924 INFO L226 Difference]: Without dead ends: 435 [2025-03-04 14:56:47,924 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 [2025-03-04 14:56:47,925 INFO L435 NwaCegarLoop]: 383 mSDtfsCounter, 105 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1065 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 14:56:47,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1065 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 14:56:47,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2025-03-04 14:56:47,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 432. [2025-03-04 14:56:47,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 422 states have (on average 1.3744075829383886) internal successors, (580), 427 states have internal predecessors, (580), 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) [2025-03-04 14:56:47,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 586 transitions. [2025-03-04 14:56:47,939 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 586 transitions. Word has length 80 [2025-03-04 14:56:47,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:56:47,940 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 586 transitions. [2025-03-04 14:56:47,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2025-03-04 14:56:47,940 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 586 transitions. [2025-03-04 14:56:47,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-04 14:56:47,941 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:56:47,941 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, 1] [2025-03-04 14:56:47,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 14:56:47,941 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 14:56:47,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:56:47,942 INFO L85 PathProgramCache]: Analyzing trace with hash 83654462, now seen corresponding path program 1 times [2025-03-04 14:56:47,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:56:47,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640912380] [2025-03-04 14:56:47,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:56:47,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:56:47,974 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-04 14:56:47,984 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-04 14:56:47,985 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:56:47,985 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:56:48,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 14:56:48,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:56:48,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640912380] [2025-03-04 14:56:48,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640912380] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:56:48,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:56:48,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 14:56:48,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069746720] [2025-03-04 14:56:48,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:56:48,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 14:56:48,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:56:48,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 14:56:48,072 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 14:56:48,073 INFO L87 Difference]: Start difference. First operand 432 states and 586 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2025-03-04 14:56:48,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:56:48,192 INFO L93 Difference]: Finished difference Result 1157 states and 1580 transitions. [2025-03-04 14:56:48,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 14:56:48,192 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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 80 [2025-03-04 14:56:48,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:56:48,195 INFO L225 Difference]: With dead ends: 1157 [2025-03-04 14:56:48,195 INFO L226 Difference]: Without dead ends: 734 [2025-03-04 14:56:48,196 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 [2025-03-04 14:56:48,197 INFO L435 NwaCegarLoop]: 401 mSDtfsCounter, 252 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 14:56:48,198 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 789 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 14:56:48,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2025-03-04 14:56:48,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 732. [2025-03-04 14:56:48,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 722 states have (on average 1.3781163434903048) internal successors, (995), 727 states have internal predecessors, (995), 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) [2025-03-04 14:56:48,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1001 transitions. [2025-03-04 14:56:48,223 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1001 transitions. Word has length 80 [2025-03-04 14:56:48,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:56:48,224 INFO L471 AbstractCegarLoop]: Abstraction has 732 states and 1001 transitions. [2025-03-04 14:56:48,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2025-03-04 14:56:48,224 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1001 transitions. [2025-03-04 14:56:48,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-04 14:56:48,225 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:56:48,225 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] [2025-03-04 14:56:48,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-04 14:56:48,225 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 14:56:48,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:56:48,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1349284956, now seen corresponding path program 1 times [2025-03-04 14:56:48,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:56:48,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919684614] [2025-03-04 14:56:48,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:56:48,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:56:48,263 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-04 14:56:48,284 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-04 14:56:48,285 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:56:48,285 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:56:48,572 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 14:56:48,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:56:48,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919684614] [2025-03-04 14:56:48,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919684614] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:56:48,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:56:48,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 14:56:48,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172743256] [2025-03-04 14:56:48,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:56:48,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 14:56:48,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:56:48,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 14:56:48,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 14:56:48,576 INFO L87 Difference]: Start difference. First operand 732 states and 1001 transitions. Second operand has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 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) [2025-03-04 14:56:48,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:56:48,712 INFO L93 Difference]: Finished difference Result 797 states and 1086 transitions. [2025-03-04 14:56:48,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 14:56:48,712 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 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 95 [2025-03-04 14:56:48,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:56:48,715 INFO L225 Difference]: With dead ends: 797 [2025-03-04 14:56:48,715 INFO L226 Difference]: Without dead ends: 795 [2025-03-04 14:56:48,715 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 14:56:48,716 INFO L435 NwaCegarLoop]: 389 mSDtfsCounter, 331 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 1160 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 14:56:48,716 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 1160 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 14:56:48,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2025-03-04 14:56:48,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 795. [2025-03-04 14:56:48,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 782 states have (on average 1.370843989769821) internal successors, (1072), 787 states have internal predecessors, (1072), 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) [2025-03-04 14:56:48,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1084 transitions. [2025-03-04 14:56:48,731 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1084 transitions. Word has length 95 [2025-03-04 14:56:48,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:56:48,731 INFO L471 AbstractCegarLoop]: Abstraction has 795 states and 1084 transitions. [2025-03-04 14:56:48,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 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) [2025-03-04 14:56:48,731 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1084 transitions. [2025-03-04 14:56:48,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-04 14:56:48,732 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:56:48,732 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:56:48,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-04 14:56:48,732 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 14:56:48,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:56:48,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1131194483, now seen corresponding path program 1 times [2025-03-04 14:56:48,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:56:48,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60058691] [2025-03-04 14:56:48,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:56:48,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:56:48,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-04 14:56:48,931 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-04 14:56:48,931 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:56:48,931 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:56:49,093 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 14:56:49,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:56:49,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60058691] [2025-03-04 14:56:49,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60058691] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 14:56:49,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75231537] [2025-03-04 14:56:49,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:56:49,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 14:56:49,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 14:56:49,096 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 14:56:49,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 14:56:49,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-04 14:56:49,457 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-04 14:56:49,457 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:56:49,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:56:49,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-03-04 14:56:49,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 14:56:49,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-03-04 14:56:49,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-03-04 14:56:49,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2025-03-04 14:56:50,093 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 14:56:50,094 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 14:56:50,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75231537] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:56:50,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 14:56:50,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2025-03-04 14:56:50,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572438968] [2025-03-04 14:56:50,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:56:50,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 14:56:50,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:56:50,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 14:56:50,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-03-04 14:56:50,096 INFO L87 Difference]: Start difference. First operand 795 states and 1084 transitions. Second operand has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 14:56:51,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:56:51,538 INFO L93 Difference]: Finished difference Result 1471 states and 2000 transitions. [2025-03-04 14:56:51,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 14:56:51,538 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 101 [2025-03-04 14:56:51,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:56:51,541 INFO L225 Difference]: With dead ends: 1471 [2025-03-04 14:56:51,541 INFO L226 Difference]: Without dead ends: 843 [2025-03-04 14:56:51,542 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2025-03-04 14:56:51,543 INFO L435 NwaCegarLoop]: 428 mSDtfsCounter, 686 mSDsluCounter, 1880 mSDsCounter, 0 mSdLazyCounter, 1107 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 688 SdHoareTripleChecker+Valid, 2308 SdHoareTripleChecker+Invalid, 1113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-04 14:56:51,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [688 Valid, 2308 Invalid, 1113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1107 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-04 14:56:51,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2025-03-04 14:56:51,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 820. [2025-03-04 14:56:51,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 820 states, 807 states have (on average 1.365551425030979) internal successors, (1102), 812 states have internal predecessors, (1102), 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) [2025-03-04 14:56:51,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1114 transitions. [2025-03-04 14:56:51,565 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1114 transitions. Word has length 101 [2025-03-04 14:56:51,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:56:51,565 INFO L471 AbstractCegarLoop]: Abstraction has 820 states and 1114 transitions. [2025-03-04 14:56:51,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 14:56:51,566 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1114 transitions. [2025-03-04 14:56:51,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-04 14:56:51,568 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:56:51,568 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:56:51,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-04 14:56:51,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2025-03-04 14:56:51,772 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 14:56:51,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:56:51,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1975372335, now seen corresponding path program 1 times [2025-03-04 14:56:51,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:56:51,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557769305] [2025-03-04 14:56:51,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:56:51,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:56:51,811 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-04 14:56:51,950 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-04 14:56:51,950 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:56:51,950 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:56:52,094 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 14:56:52,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:56:52,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557769305] [2025-03-04 14:56:52,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557769305] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 14:56:52,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376178954] [2025-03-04 14:56:52,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:56:52,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 14:56:52,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 14:56:52,100 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 14:56:52,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 14:56:52,270 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-04 14:56:52,522 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-04 14:56:52,522 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:56:52,522 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:56:52,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-04 14:56:52,535 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 14:56:52,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-03-04 14:56:52,588 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 14:56:52,589 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 14:56:52,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376178954] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:56:52,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 14:56:52,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 7 [2025-03-04 14:56:52,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893959825] [2025-03-04 14:56:52,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:56:52,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 14:56:52,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:56:52,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 14:56:52,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-04 14:56:52,591 INFO L87 Difference]: Start difference. First operand 820 states and 1114 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 14:56:52,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:56:52,815 INFO L93 Difference]: Finished difference Result 1409 states and 1910 transitions. [2025-03-04 14:56:52,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 14:56:52,816 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 102 [2025-03-04 14:56:52,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:56:52,819 INFO L225 Difference]: With dead ends: 1409 [2025-03-04 14:56:52,820 INFO L226 Difference]: Without dead ends: 831 [2025-03-04 14:56:52,822 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-04 14:56:52,822 INFO L435 NwaCegarLoop]: 384 mSDtfsCounter, 380 mSDsluCounter, 1523 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 1907 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 14:56:52,823 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 1907 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 14:56:52,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2025-03-04 14:56:52,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 823. [2025-03-04 14:56:52,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 823 states, 809 states have (on average 1.3658838071693449) internal successors, (1105), 815 states have internal predecessors, (1105), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-04 14:56:52,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1119 transitions. [2025-03-04 14:56:52,843 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1119 transitions. Word has length 102 [2025-03-04 14:56:52,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:56:52,843 INFO L471 AbstractCegarLoop]: Abstraction has 823 states and 1119 transitions. [2025-03-04 14:56:52,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 14:56:52,843 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1119 transitions. [2025-03-04 14:56:52,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-03-04 14:56:52,844 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:56:52,845 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:56:52,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-04 14:56:53,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 14:56:53,045 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 14:56:53,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:56:53,047 INFO L85 PathProgramCache]: Analyzing trace with hash 475776115, now seen corresponding path program 1 times [2025-03-04 14:56:53,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:56:53,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530872810] [2025-03-04 14:56:53,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:56:53,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:56:53,089 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-04 14:56:53,188 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-04 14:56:53,188 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:56:53,188 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:56:53,375 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-04 14:56:53,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:56:53,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530872810] [2025-03-04 14:56:53,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530872810] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 14:56:53,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371090772] [2025-03-04 14:56:53,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:56:53,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 14:56:53,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 14:56:53,378 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 14:56:53,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 14:56:53,556 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-04 14:56:53,787 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-04 14:56:53,787 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:56:53,787 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:56:53,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 37 conjuncts are in the unsatisfiable core [2025-03-04 14:56:53,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 14:56:53,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-03-04 14:56:53,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-03-04 14:56:53,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2025-03-04 14:56:54,360 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-04 14:56:54,360 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 14:56:54,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371090772] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:56:54,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 14:56:54,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2025-03-04 14:56:54,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341173066] [2025-03-04 14:56:54,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:56:54,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 14:56:54,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:56:54,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 14:56:54,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2025-03-04 14:56:54,384 INFO L87 Difference]: Start difference. First operand 823 states and 1119 transitions. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 14:56:59,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 14:57:00,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 14:57:01,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:57:01,086 INFO L93 Difference]: Finished difference Result 1524 states and 2073 transitions. [2025-03-04 14:57:01,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-04 14:57:01,087 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2025-03-04 14:57:01,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:57:01,090 INFO L225 Difference]: With dead ends: 1524 [2025-03-04 14:57:01,090 INFO L226 Difference]: Without dead ends: 898 [2025-03-04 14:57:01,092 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2025-03-04 14:57:01,093 INFO L435 NwaCegarLoop]: 386 mSDtfsCounter, 766 mSDsluCounter, 1860 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 2246 SdHoareTripleChecker+Invalid, 1061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2025-03-04 14:57:01,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [768 Valid, 2246 Invalid, 1061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1049 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2025-03-04 14:57:01,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2025-03-04 14:57:01,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 858. [2025-03-04 14:57:01,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 858 states, 844 states have (on average 1.3625592417061612) internal successors, (1150), 850 states have internal predecessors, (1150), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-04 14:57:01,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1164 transitions. [2025-03-04 14:57:01,112 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1164 transitions. Word has length 104 [2025-03-04 14:57:01,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:57:01,113 INFO L471 AbstractCegarLoop]: Abstraction has 858 states and 1164 transitions. [2025-03-04 14:57:01,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 14:57:01,113 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1164 transitions. [2025-03-04 14:57:01,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-03-04 14:57:01,116 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:57:01,116 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:57:01,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-04 14:57:01,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 14:57:01,317 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 14:57:01,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:57:01,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1166759572, now seen corresponding path program 1 times [2025-03-04 14:57:01,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:57:01,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105895266] [2025-03-04 14:57:01,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:57:01,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:57:01,355 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-04 14:57:01,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-04 14:57:01,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:57:01,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:57:01,563 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-04 14:57:01,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:57:01,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105895266] [2025-03-04 14:57:01,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105895266] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:57:01,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:57:01,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-04 14:57:01,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513107010] [2025-03-04 14:57:01,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:57:01,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 14:57:01,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:57:01,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 14:57:01,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-04 14:57:01,567 INFO L87 Difference]: Start difference. First operand 858 states and 1164 transitions. Second operand has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 14:57:01,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:57:01,907 INFO L93 Difference]: Finished difference Result 1538 states and 2089 transitions. [2025-03-04 14:57:01,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 14:57:01,907 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2025-03-04 14:57:01,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:57:01,910 INFO L225 Difference]: With dead ends: 1538 [2025-03-04 14:57:01,910 INFO L226 Difference]: Without dead ends: 880 [2025-03-04 14:57:01,911 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-04 14:57:01,911 INFO L435 NwaCegarLoop]: 395 mSDtfsCounter, 9 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1251 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 14:57:01,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1251 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 14:57:01,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2025-03-04 14:57:01,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 876. [2025-03-04 14:57:01,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 862 states have (on average 1.363109048723898) internal successors, (1175), 868 states have internal predecessors, (1175), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-04 14:57:01,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1189 transitions. [2025-03-04 14:57:01,927 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1189 transitions. Word has length 105 [2025-03-04 14:57:01,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:57:01,927 INFO L471 AbstractCegarLoop]: Abstraction has 876 states and 1189 transitions. [2025-03-04 14:57:01,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 14:57:01,928 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1189 transitions. [2025-03-04 14:57:01,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-03-04 14:57:01,928 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:57:01,929 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:57:01,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-04 14:57:01,929 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 14:57:01,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:57:01,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1209507920, now seen corresponding path program 1 times [2025-03-04 14:57:01,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:57:01,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870063257] [2025-03-04 14:57:01,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:57:01,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:57:01,974 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-04 14:57:01,990 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-04 14:57:01,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:57:01,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:57:02,149 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-04 14:57:02,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:57:02,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870063257] [2025-03-04 14:57:02,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870063257] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:57:02,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:57:02,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-04 14:57:02,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610070268] [2025-03-04 14:57:02,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:57:02,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 14:57:02,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:57:02,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 14:57:02,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-04 14:57:02,151 INFO L87 Difference]: Start difference. First operand 876 states and 1189 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 14:57:02,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:57:02,640 INFO L93 Difference]: Finished difference Result 1563 states and 2124 transitions. [2025-03-04 14:57:02,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 14:57:02,641 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2025-03-04 14:57:02,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:57:02,643 INFO L225 Difference]: With dead ends: 1563 [2025-03-04 14:57:02,643 INFO L226 Difference]: Without dead ends: 898 [2025-03-04 14:57:02,644 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 [2025-03-04 14:57:02,645 INFO L435 NwaCegarLoop]: 385 mSDtfsCounter, 14 mSDsluCounter, 1383 mSDsCounter, 0 mSdLazyCounter, 846 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1768 SdHoareTripleChecker+Invalid, 847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 14:57:02,645 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 1768 Invalid, 847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 846 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 14:57:02,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2025-03-04 14:57:02,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 892. [2025-03-04 14:57:02,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 892 states, 878 states have (on average 1.3633257403189065) internal successors, (1197), 884 states have internal predecessors, (1197), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-04 14:57:02,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 892 states and 1211 transitions. [2025-03-04 14:57:02,662 INFO L78 Accepts]: Start accepts. Automaton has 892 states and 1211 transitions. Word has length 105 [2025-03-04 14:57:02,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:57:02,663 INFO L471 AbstractCegarLoop]: Abstraction has 892 states and 1211 transitions. [2025-03-04 14:57:02,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 14:57:02,663 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1211 transitions. [2025-03-04 14:57:02,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-03-04 14:57:02,664 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:57:02,664 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:57:02,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-04 14:57:02,664 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 14:57:02,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:57:02,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1068622164, now seen corresponding path program 1 times [2025-03-04 14:57:02,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:57:02,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860719541] [2025-03-04 14:57:02,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:57:02,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:57:02,707 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-04 14:57:02,835 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-04 14:57:02,835 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:57:02,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:57:03,024 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-04 14:57:03,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:57:03,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860719541] [2025-03-04 14:57:03,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860719541] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 14:57:03,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588605619] [2025-03-04 14:57:03,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:57:03,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 14:57:03,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 14:57:03,027 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 14:57:03,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-04 14:57:03,214 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-04 14:57:03,323 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-04 14:57:03,323 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:57:03,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:57:03,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 117 conjuncts are in the unsatisfiable core [2025-03-04 14:57:03,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 14:57:03,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2025-03-04 14:57:03,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-03-04 14:57:03,585 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2025-03-04 14:57:03,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2025-03-04 14:57:03,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-04 14:57:03,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2025-03-04 14:57:03,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2025-03-04 14:57:03,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2025-03-04 14:57:03,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2025-03-04 14:57:44,064 INFO L224 Elim1Store]: Index analysis took 422 ms