./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 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/busybox-1.22.0/chgrp-incomplete-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 8e036d03abaa2464843bef35227938cb8e4d04c5a12ab6a4a0003d6a8df9a501 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 18:54:09,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 18:54:09,294 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-17 18:54:09,298 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 18:54:09,299 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 18:54:09,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 18:54:09,315 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 18:54:09,315 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 18:54:09,315 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 18:54:09,316 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 18:54:09,316 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 18:54:09,317 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 18:54:09,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 18:54:09,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 18:54:09,317 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 18:54:09,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 18:54:09,317 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 18:54:09,317 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 18:54:09,318 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 18:54:09,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 18:54:09,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 18:54:09,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 18:54:09,318 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 18:54:09,318 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 18:54:09,318 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 18:54:09,318 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 18:54:09,318 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 18:54:09,318 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 18:54:09,318 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 18:54:09,319 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 18:54:09,319 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 18:54:09,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 18:54:09,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 18:54:09,319 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 18:54:09,319 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 18:54:09,319 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 18:54:09,320 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 18:54:09,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 18:54:09,320 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 18:54:09,320 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 18:54:09,320 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 18:54:09,320 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 18:54:09,320 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e036d03abaa2464843bef35227938cb8e4d04c5a12ab6a4a0003d6a8df9a501 [2025-03-17 18:54:09,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 18:54:09,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 18:54:09,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 18:54:09,550 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 18:54:09,550 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 18:54:09,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2025-03-17 18:54:10,651 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/634dfb14b/e5b95031226c43408a3aca13d6adb146/FLAGbbe7179c3 [2025-03-17 18:54:10,959 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 18:54:10,959 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2025-03-17 18:54:10,977 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/634dfb14b/e5b95031226c43408a3aca13d6adb146/FLAGbbe7179c3 [2025-03-17 18:54:11,223 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/634dfb14b/e5b95031226c43408a3aca13d6adb146 [2025-03-17 18:54:11,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 18:54:11,226 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 18:54:11,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 18:54:11,227 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 18:54:11,229 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 18:54:11,230 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:54:11" (1/1) ... [2025-03-17 18:54:11,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d31ac5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:11, skipping insertion in model container [2025-03-17 18:54:11,231 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:54:11" (1/1) ... [2025-03-17 18:54:11,271 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 18:54:11,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 18:54:11,850 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 18:54:11,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 18:54:12,057 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2025-03-17 18:54:12,065 INFO L204 MainTranslator]: Completed translation [2025-03-17 18:54:12,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:12 WrapperNode [2025-03-17 18:54:12,066 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 18:54:12,067 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 18:54:12,067 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 18:54:12,067 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 18:54:12,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:12" (1/1) ... [2025-03-17 18:54:12,109 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:12" (1/1) ... [2025-03-17 18:54:12,161 INFO L138 Inliner]: procedures = 597, calls = 507, calls flagged for inlining = 16, calls inlined = 14, statements flattened = 808 [2025-03-17 18:54:12,162 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 18:54:12,162 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 18:54:12,162 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 18:54:12,162 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 18:54:12,174 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:12" (1/1) ... [2025-03-17 18:54:12,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:12" (1/1) ... [2025-03-17 18:54:12,183 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:12" (1/1) ... [2025-03-17 18:54:12,199 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-03-17 18:54:12,199 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:12" (1/1) ... [2025-03-17 18:54:12,200 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:12" (1/1) ... [2025-03-17 18:54:12,237 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:12" (1/1) ... [2025-03-17 18:54:12,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:12" (1/1) ... [2025-03-17 18:54:12,246 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:12" (1/1) ... [2025-03-17 18:54:12,249 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:12" (1/1) ... [2025-03-17 18:54:12,254 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 18:54:12,255 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 18:54:12,255 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 18:54:12,255 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 18:54:12,256 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:12" (1/1) ... [2025-03-17 18:54:12,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 18:54:12,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:54:12,289 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) [2025-03-17 18:54:12,291 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 [2025-03-17 18:54:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure vasprintf [2025-03-17 18:54:12,308 INFO L138 BoogieDeclarations]: Found implementation of procedure vasprintf [2025-03-17 18:54:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 18:54:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2025-03-17 18:54:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-03-17 18:54:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-17 18:54:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 18:54:12,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 18:54:12,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-17 18:54:12,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 18:54:12,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 18:54:12,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2025-03-17 18:54:12,309 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2025-03-17 18:54:12,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2025-03-17 18:54:12,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-03-17 18:54:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 18:54:12,310 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 18:54:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 18:54:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-17 18:54:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-17 18:54:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-17 18:54:12,562 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 18:54:12,563 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 18:54:13,937 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2225: havoc chown_main_#t~nondet75#1; [2025-03-17 18:54:13,937 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2402: havoc xasprintf_#t~mem116#1.base, xasprintf_#t~mem116#1.offset;call ULTIMATE.dealloc(xasprintf_~#string_ptr~0#1.base, xasprintf_~#string_ptr~0#1.offset);havoc xasprintf_~#string_ptr~0#1.base, xasprintf_~#string_ptr~0#1.offset; [2025-03-17 18:54:13,991 INFO L? ?]: Removed 199 outVars from TransFormulas that were not future-live. [2025-03-17 18:54:13,991 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 18:54:14,013 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 18:54:14,013 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 18:54:14,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 06:54:14 BoogieIcfgContainer [2025-03-17 18:54:14,013 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 18:54:14,016 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 18:54:14,017 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 18:54:14,020 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 18:54:14,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 06:54:11" (1/3) ... [2025-03-17 18:54:14,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1f86fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 06:54:14, skipping insertion in model container [2025-03-17 18:54:14,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:54:12" (2/3) ... [2025-03-17 18:54:14,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1f86fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 06:54:14, skipping insertion in model container [2025-03-17 18:54:14,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 06:54:14" (3/3) ... [2025-03-17 18:54:14,022 INFO L128 eAbstractionObserver]: Analyzing ICFG chgrp-incomplete-1.i [2025-03-17 18:54:14,032 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 18:54:14,034 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chgrp-incomplete-1.i that has 4 procedures, 134 locations, 1 initial locations, 12 loop locations, and 32 error locations. [2025-03-17 18:54:14,079 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 18:54:14,090 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;@76373512, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 18:54:14,092 INFO L334 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2025-03-17 18:54:14,095 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 91 states have (on average 1.7252747252747254) internal successors, (157), 124 states have internal predecessors, (157), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-17 18:54:14,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-03-17 18:54:14,100 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:54:14,100 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-03-17 18:54:14,101 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 18:54:14,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:54:14,106 INFO L85 PathProgramCache]: Analyzing trace with hash 209491, now seen corresponding path program 1 times [2025-03-17 18:54:14,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:54:14,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850202232] [2025-03-17 18:54:14,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:54:14,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:54:14,367 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-17 18:54:14,452 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-17 18:54:14,455 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:54:14,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:14,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 18:54:14,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:54:14,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850202232] [2025-03-17 18:54:14,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850202232] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:54:14,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:54:14,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 18:54:14,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449510204] [2025-03-17 18:54:14,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:54:14,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 18:54:14,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:54:14,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 18:54:14,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:54:14,794 INFO L87 Difference]: Start difference. First operand has 134 states, 91 states have (on average 1.7252747252747254) internal successors, (157), 124 states have internal predecessors, (157), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2025-03-17 18:54:14,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:54:14,836 INFO L93 Difference]: Finished difference Result 178 states and 226 transitions. [2025-03-17 18:54:14,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 18:54:14,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2025-03-17 18:54:14,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:54:14,842 INFO L225 Difference]: With dead ends: 178 [2025-03-17 18:54:14,843 INFO L226 Difference]: Without dead ends: 46 [2025-03-17 18:54:14,845 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:54:14,848 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 1 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 18:54:14,850 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 87 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 18:54:14,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2025-03-17 18:54:14,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2025-03-17 18:54:14,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.5666666666666667) internal successors, (47), 42 states have internal predecessors, (47), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:54:14,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2025-03-17 18:54:14,879 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 3 [2025-03-17 18:54:14,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:54:14,881 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2025-03-17 18:54:14,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2025-03-17 18:54:14,881 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2025-03-17 18:54:14,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-17 18:54:14,882 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:54:14,882 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2025-03-17 18:54:14,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 18:54:14,883 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 18:54:14,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:54:14,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1946124189, now seen corresponding path program 1 times [2025-03-17 18:54:14,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:54:14,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903661631] [2025-03-17 18:54:14,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:54:14,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:54:14,991 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 18:54:15,016 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 18:54:15,016 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:54:15,016 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:15,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 18:54:15,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:54:15,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903661631] [2025-03-17 18:54:15,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903661631] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 18:54:15,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402150599] [2025-03-17 18:54:15,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:54:15,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:54:15,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:54:15,204 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) [2025-03-17 18:54:15,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 18:54:15,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 18:54:15,533 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 18:54:15,533 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:54:15,533 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:15,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 1064 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 18:54:15,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 18:54:15,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 18:54:15,564 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 18:54:15,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1402150599] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:54:15,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 18:54:15,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2025-03-17 18:54:15,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876962659] [2025-03-17 18:54:15,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:54:15,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 18:54:15,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:54:15,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 18:54:15,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:54:15,566 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 18:54:16,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:54:16,215 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2025-03-17 18:54:16,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 18:54:16,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-03-17 18:54:16,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:54:16,216 INFO L225 Difference]: With dead ends: 46 [2025-03-17 18:54:16,216 INFO L226 Difference]: Without dead ends: 45 [2025-03-17 18:54:16,216 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:54:16,216 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 1 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 18:54:16,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 81 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 18:54:16,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2025-03-17 18:54:16,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2025-03-17 18:54:16,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 30 states have (on average 1.5333333333333334) internal successors, (46), 41 states have internal predecessors, (46), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:54:16,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2025-03-17 18:54:16,220 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 6 [2025-03-17 18:54:16,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:54:16,220 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2025-03-17 18:54:16,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 18:54:16,221 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2025-03-17 18:54:16,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-17 18:54:16,221 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:54:16,221 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2025-03-17 18:54:16,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-17 18:54:16,425 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 [2025-03-17 18:54:16,425 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 18:54:16,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:54:16,426 INFO L85 PathProgramCache]: Analyzing trace with hash 200307861, now seen corresponding path program 1 times [2025-03-17 18:54:16,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:54:16,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697126701] [2025-03-17 18:54:16,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:54:16,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:54:16,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-17 18:54:16,548 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-17 18:54:16,548 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:54:16,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:16,652 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 18:54:16,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:54:16,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697126701] [2025-03-17 18:54:16,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697126701] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:54:16,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:54:16,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 18:54:16,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311112797] [2025-03-17 18:54:16,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:54:16,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 18:54:16,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:54:16,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 18:54:16,655 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:54:16,655 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 18:54:16,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:54:16,683 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2025-03-17 18:54:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 18:54:16,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-03-17 18:54:16,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:54:16,684 INFO L225 Difference]: With dead ends: 45 [2025-03-17 18:54:16,684 INFO L226 Difference]: Without dead ends: 44 [2025-03-17 18:54:16,684 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:54:16,685 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 0 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 18:54:16,685 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 18:54:16,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2025-03-17 18:54:16,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2025-03-17 18:54:16,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 38 states have internal predecessors, (43), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:54:16,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2025-03-17 18:54:16,687 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 7 [2025-03-17 18:54:16,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:54:16,690 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2025-03-17 18:54:16,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 18:54:16,690 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2025-03-17 18:54:16,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-17 18:54:16,691 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:54:16,691 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:54:16,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 18:54:16,691 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 18:54:16,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:54:16,692 INFO L85 PathProgramCache]: Analyzing trace with hash 166076863, now seen corresponding path program 1 times [2025-03-17 18:54:16,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:54:16,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968439888] [2025-03-17 18:54:16,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:54:16,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:54:16,793 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-17 18:54:16,808 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-17 18:54:16,808 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:54:16,808 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:16,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 18:54:16,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:54:16,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968439888] [2025-03-17 18:54:16,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968439888] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 18:54:16,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290833211] [2025-03-17 18:54:16,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:54:16,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:54:16,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:54:16,977 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) [2025-03-17 18:54:16,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 18:54:17,186 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-17 18:54:17,306 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-17 18:54:17,306 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:54:17,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:17,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 1081 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 18:54:17,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 18:54:17,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 18:54:17,328 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 18:54:17,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290833211] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:54:17,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 18:54:17,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-03-17 18:54:17,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346905663] [2025-03-17 18:54:17,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:54:17,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 18:54:17,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:54:17,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 18:54:17,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:54:17,331 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:54:17,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:54:17,964 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2025-03-17 18:54:17,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 18:54:17,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2025-03-17 18:54:17,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:54:17,967 INFO L225 Difference]: With dead ends: 42 [2025-03-17 18:54:17,967 INFO L226 Difference]: Without dead ends: 40 [2025-03-17 18:54:17,967 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:54:17,968 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 29 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 18:54:17,968 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 43 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 18:54:17,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2025-03-17 18:54:17,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2025-03-17 18:54:17,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 28 states have (on average 1.4642857142857142) internal successors, (41), 36 states have internal predecessors, (41), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:54:17,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2025-03-17 18:54:17,971 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 11 [2025-03-17 18:54:17,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:54:17,971 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2025-03-17 18:54:17,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:54:17,971 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2025-03-17 18:54:17,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-17 18:54:17,971 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:54:17,972 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:54:17,980 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-17 18:54:18,172 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,SelfDestructingSolverStorable3 [2025-03-17 18:54:18,172 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 18:54:18,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:54:18,173 INFO L85 PathProgramCache]: Analyzing trace with hash 853415597, now seen corresponding path program 1 times [2025-03-17 18:54:18,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:54:18,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174857710] [2025-03-17 18:54:18,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:54:18,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:54:18,297 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-17 18:54:18,318 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 18:54:18,318 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:54:18,318 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:18,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 18:54:18,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:54:18,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174857710] [2025-03-17 18:54:18,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174857710] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 18:54:18,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1467484548] [2025-03-17 18:54:18,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:54:18,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:54:18,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:54:18,460 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) [2025-03-17 18:54:18,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 18:54:18,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-17 18:54:18,785 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 18:54:18,785 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:54:18,785 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:18,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 1082 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 18:54:18,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 18:54:18,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 18:54:18,807 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 18:54:18,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 18:54:18,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1467484548] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 18:54:18,841 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 18:54:18,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 4] total 7 [2025-03-17 18:54:18,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018542923] [2025-03-17 18:54:18,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 18:54:18,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 18:54:18,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:54:18,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 18:54:18,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 18:54:18,842 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 18:54:18,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:54:18,876 INFO L93 Difference]: Finished difference Result 84 states and 94 transitions. [2025-03-17 18:54:18,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 18:54:18,877 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 12 [2025-03-17 18:54:18,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:54:18,878 INFO L225 Difference]: With dead ends: 84 [2025-03-17 18:54:18,878 INFO L226 Difference]: Without dead ends: 49 [2025-03-17 18:54:18,878 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 18:54:18,879 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 4 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 18:54:18,879 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 192 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 18:54:18,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2025-03-17 18:54:18,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2025-03-17 18:54:18,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 45 states have internal predecessors, (50), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:54:18,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2025-03-17 18:54:18,887 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 12 [2025-03-17 18:54:18,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:54:18,887 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2025-03-17 18:54:18,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 18:54:18,887 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2025-03-17 18:54:18,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-03-17 18:54:18,888 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:54:18,888 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:54:18,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-17 18:54:19,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:54:19,088 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 18:54:19,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:54:19,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1948385181, now seen corresponding path program 2 times [2025-03-17 18:54:19,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:54:19,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350014845] [2025-03-17 18:54:19,089 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 18:54:19,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:54:19,176 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 21 statements into 2 equivalence classes. [2025-03-17 18:54:19,198 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 9 of 21 statements. [2025-03-17 18:54:19,199 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 18:54:19,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:19,404 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-17 18:54:19,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:54:19,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350014845] [2025-03-17 18:54:19,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350014845] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:54:19,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:54:19,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 18:54:19,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336690746] [2025-03-17 18:54:19,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:54:19,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 18:54:19,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:54:19,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 18:54:19,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:54:19,405 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:54:19,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:54:19,976 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2025-03-17 18:54:19,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 18:54:19,976 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2025-03-17 18:54:19,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:54:19,977 INFO L225 Difference]: With dead ends: 49 [2025-03-17 18:54:19,977 INFO L226 Difference]: Without dead ends: 47 [2025-03-17 18:54:19,977 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:54:19,977 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 28 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 18:54:19,978 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 99 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 18:54:19,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2025-03-17 18:54:19,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2025-03-17 18:54:19,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 43 states have internal predecessors, (48), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:54:19,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2025-03-17 18:54:19,981 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 21 [2025-03-17 18:54:19,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:54:19,981 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2025-03-17 18:54:19,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:54:19,981 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2025-03-17 18:54:19,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-17 18:54:19,981 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:54:19,981 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:54:19,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 18:54:19,982 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 18:54:19,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:54:19,982 INFO L85 PathProgramCache]: Analyzing trace with hash -542486780, now seen corresponding path program 1 times [2025-03-17 18:54:19,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:54:19,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886776188] [2025-03-17 18:54:19,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:54:19,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:54:20,081 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-17 18:54:20,100 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-17 18:54:20,100 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:54:20,100 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:20,215 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-17 18:54:20,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:54:20,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886776188] [2025-03-17 18:54:20,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886776188] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:54:20,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:54:20,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 18:54:20,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255870958] [2025-03-17 18:54:20,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:54:20,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 18:54:20,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:54:20,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 18:54:20,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:54:20,218 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:54:21,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:54:21,061 INFO L93 Difference]: Finished difference Result 74 states and 84 transitions. [2025-03-17 18:54:21,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 18:54:21,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2025-03-17 18:54:21,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:54:21,062 INFO L225 Difference]: With dead ends: 74 [2025-03-17 18:54:21,062 INFO L226 Difference]: Without dead ends: 50 [2025-03-17 18:54:21,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:54:21,062 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 1 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-17 18:54:21,063 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 71 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-17 18:54:21,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2025-03-17 18:54:21,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2025-03-17 18:54:21,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 40 states have (on average 1.275) internal successors, (51), 46 states have internal predecessors, (51), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:54:21,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2025-03-17 18:54:21,069 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 26 [2025-03-17 18:54:21,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:54:21,069 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2025-03-17 18:54:21,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:54:21,069 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2025-03-17 18:54:21,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-17 18:54:21,070 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:54:21,070 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:54:21,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 18:54:21,073 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 18:54:21,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:54:21,073 INFO L85 PathProgramCache]: Analyzing trace with hash 412057753, now seen corresponding path program 1 times [2025-03-17 18:54:21,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:54:21,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777388743] [2025-03-17 18:54:21,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:54:21,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:54:21,160 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-17 18:54:21,178 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 18:54:21,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:54:21,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:21,379 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 18:54:21,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:54:21,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777388743] [2025-03-17 18:54:21,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777388743] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 18:54:21,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404859677] [2025-03-17 18:54:21,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:54:21,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:54:21,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:54:21,382 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) [2025-03-17 18:54:21,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 18:54:21,604 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-17 18:54:21,724 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 18:54:21,724 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:54:21,724 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:21,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 1281 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 18:54:21,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 18:54:21,761 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 18:54:21,761 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 18:54:21,823 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 18:54:21,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404859677] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 18:54:21,824 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 18:54:21,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2025-03-17 18:54:21,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687406536] [2025-03-17 18:54:21,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 18:54:21,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-17 18:54:21,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:54:21,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-17 18:54:21,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-03-17 18:54:21,826 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 18:54:21,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:54:21,871 INFO L93 Difference]: Finished difference Result 104 states and 117 transitions. [2025-03-17 18:54:21,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 18:54:21,871 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2025-03-17 18:54:21,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:54:21,872 INFO L225 Difference]: With dead ends: 104 [2025-03-17 18:54:21,873 INFO L226 Difference]: Without dead ends: 68 [2025-03-17 18:54:21,873 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-03-17 18:54:21,874 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 4 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 18:54:21,874 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 110 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 18:54:21,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2025-03-17 18:54:21,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2025-03-17 18:54:21,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 58 states have (on average 1.1896551724137931) internal successors, (69), 64 states have internal predecessors, (69), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:54:21,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 72 transitions. [2025-03-17 18:54:21,879 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 72 transitions. Word has length 29 [2025-03-17 18:54:21,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:54:21,879 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 72 transitions. [2025-03-17 18:54:21,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 18:54:21,880 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2025-03-17 18:54:21,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-03-17 18:54:21,880 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:54:21,880 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:54:21,890 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-17 18:54:22,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:54:22,081 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 18:54:22,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:54:22,082 INFO L85 PathProgramCache]: Analyzing trace with hash 336989145, now seen corresponding path program 2 times [2025-03-17 18:54:22,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:54:22,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082736664] [2025-03-17 18:54:22,082 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 18:54:22,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:54:22,183 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 47 statements into 2 equivalence classes. [2025-03-17 18:54:22,242 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 17 of 47 statements. [2025-03-17 18:54:22,242 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 18:54:22,242 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:22,422 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-17 18:54:22,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:54:22,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082736664] [2025-03-17 18:54:22,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082736664] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:54:22,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:54:22,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 18:54:22,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859189258] [2025-03-17 18:54:22,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:54:22,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 18:54:22,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:54:22,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 18:54:22,423 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 18:54:22,423 INFO L87 Difference]: Start difference. First operand 68 states and 72 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:54:23,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:54:23,277 INFO L93 Difference]: Finished difference Result 95 states and 102 transitions. [2025-03-17 18:54:23,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 18:54:23,277 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 47 [2025-03-17 18:54:23,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:54:23,278 INFO L225 Difference]: With dead ends: 95 [2025-03-17 18:54:23,278 INFO L226 Difference]: Without dead ends: 79 [2025-03-17 18:54:23,278 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 18:54:23,278 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 42 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-17 18:54:23,278 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 107 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-17 18:54:23,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2025-03-17 18:54:23,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2025-03-17 18:54:23,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 67 states have (on average 1.208955223880597) internal successors, (81), 73 states have internal predecessors, (81), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:54:23,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 84 transitions. [2025-03-17 18:54:23,282 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 84 transitions. Word has length 47 [2025-03-17 18:54:23,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:54:23,283 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 84 transitions. [2025-03-17 18:54:23,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:54:23,283 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 84 transitions. [2025-03-17 18:54:23,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-03-17 18:54:23,283 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:54:23,283 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:54:23,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-17 18:54:23,284 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 18:54:23,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:54:23,284 INFO L85 PathProgramCache]: Analyzing trace with hash 663332476, now seen corresponding path program 1 times [2025-03-17 18:54:23,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:54:23,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536728730] [2025-03-17 18:54:23,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:54:23,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:54:23,373 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-17 18:54:23,387 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-17 18:54:23,387 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:54:23,387 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:23,491 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-17 18:54:23,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:54:23,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536728730] [2025-03-17 18:54:23,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536728730] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 18:54:23,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487802212] [2025-03-17 18:54:23,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:54:23,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:54:23,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:54:23,494 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) [2025-03-17 18:54:23,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 18:54:23,738 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-17 18:54:23,883 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-17 18:54:23,883 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:54:23,883 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:23,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 1381 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 18:54:23,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 18:54:23,907 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-17 18:54:23,907 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 18:54:23,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1487802212] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:54:23,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 18:54:23,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-03-17 18:54:23,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900993662] [2025-03-17 18:54:23,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:54:23,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 18:54:23,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:54:23,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 18:54:23,908 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:54:23,908 INFO L87 Difference]: Start difference. First operand 77 states and 84 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:54:25,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:54:25,099 INFO L93 Difference]: Finished difference Result 77 states and 84 transitions. [2025-03-17 18:54:25,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 18:54:25,099 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 47 [2025-03-17 18:54:25,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:54:25,100 INFO L225 Difference]: With dead ends: 77 [2025-03-17 18:54:25,100 INFO L226 Difference]: Without dead ends: 76 [2025-03-17 18:54:25,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 18:54:25,100 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 1 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-17 18:54:25,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 101 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-17 18:54:25,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2025-03-17 18:54:25,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2025-03-17 18:54:25,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 67 states have (on average 1.1791044776119404) internal successors, (79), 72 states have internal predecessors, (79), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:54:25,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 82 transitions. [2025-03-17 18:54:25,105 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 82 transitions. Word has length 47 [2025-03-17 18:54:25,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:54:25,105 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 82 transitions. [2025-03-17 18:54:25,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:54:25,105 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 82 transitions. [2025-03-17 18:54:25,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-17 18:54:25,108 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:54:25,108 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:54:25,117 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-17 18:54:25,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-03-17 18:54:25,309 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 18:54:25,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:54:25,310 INFO L85 PathProgramCache]: Analyzing trace with hash -911529594, now seen corresponding path program 1 times [2025-03-17 18:54:25,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:54:25,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754815891] [2025-03-17 18:54:25,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:54:25,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:54:25,391 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-17 18:54:25,405 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-17 18:54:25,405 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:54:25,405 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:25,482 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2025-03-17 18:54:25,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:54:25,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754815891] [2025-03-17 18:54:25,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754815891] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:54:25,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:54:25,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 18:54:25,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612530012] [2025-03-17 18:54:25,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:54:25,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 18:54:25,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:54:25,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 18:54:25,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:54:25,484 INFO L87 Difference]: Start difference. First operand 76 states and 82 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:54:26,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:54:26,252 INFO L93 Difference]: Finished difference Result 76 states and 82 transitions. [2025-03-17 18:54:26,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 18:54:26,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 48 [2025-03-17 18:54:26,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:54:26,253 INFO L225 Difference]: With dead ends: 76 [2025-03-17 18:54:26,253 INFO L226 Difference]: Without dead ends: 75 [2025-03-17 18:54:26,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:54:26,253 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 0 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-17 18:54:26,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-17 18:54:26,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2025-03-17 18:54:26,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 71. [2025-03-17 18:54:26,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 63 states have (on average 1.1587301587301588) internal successors, (73), 67 states have internal predecessors, (73), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:54:26,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 76 transitions. [2025-03-17 18:54:26,257 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 76 transitions. Word has length 48 [2025-03-17 18:54:26,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:54:26,258 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 76 transitions. [2025-03-17 18:54:26,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:54:26,258 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 76 transitions. [2025-03-17 18:54:26,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-03-17 18:54:26,258 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:54:26,258 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:54:26,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-17 18:54:26,258 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 18:54:26,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:54:26,259 INFO L85 PathProgramCache]: Analyzing trace with hash 314122713, now seen corresponding path program 1 times [2025-03-17 18:54:26,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:54:26,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548829847] [2025-03-17 18:54:26,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:54:26,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:54:26,378 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-17 18:54:26,395 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-17 18:54:26,396 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:54:26,396 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:26,511 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-17 18:54:26,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:54:26,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548829847] [2025-03-17 18:54:26,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548829847] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 18:54:26,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239129387] [2025-03-17 18:54:26,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:54:26,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:54:26,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:54:26,513 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 18:54:26,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-17 18:54:26,786 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-17 18:54:26,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-17 18:54:26,919 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:54:26,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:26,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 1468 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 18:54:26,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 18:54:26,936 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-17 18:54:26,936 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 18:54:26,950 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-17 18:54:26,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239129387] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 18:54:26,951 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 18:54:26,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-03-17 18:54:26,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274424606] [2025-03-17 18:54:26,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 18:54:26,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 18:54:26,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:54:26,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 18:54:26,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 18:54:26,952 INFO L87 Difference]: Start difference. First operand 71 states and 76 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:54:28,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:54:28,044 INFO L93 Difference]: Finished difference Result 114 states and 128 transitions. [2025-03-17 18:54:28,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 18:54:28,044 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 54 [2025-03-17 18:54:28,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:54:28,046 INFO L225 Difference]: With dead ends: 114 [2025-03-17 18:54:28,046 INFO L226 Difference]: Without dead ends: 89 [2025-03-17 18:54:28,046 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 18:54:28,046 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 4 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-17 18:54:28,046 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 102 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-17 18:54:28,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2025-03-17 18:54:28,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2025-03-17 18:54:28,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 81 states have (on average 1.123456790123457) internal successors, (91), 85 states have internal predecessors, (91), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:54:28,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 94 transitions. [2025-03-17 18:54:28,065 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 94 transitions. Word has length 54 [2025-03-17 18:54:28,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:54:28,065 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 94 transitions. [2025-03-17 18:54:28,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:54:28,065 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 94 transitions. [2025-03-17 18:54:28,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-03-17 18:54:28,066 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:54:28,066 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:54:28,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-17 18:54:28,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:54:28,266 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 18:54:28,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:54:28,267 INFO L85 PathProgramCache]: Analyzing trace with hash 535818641, now seen corresponding path program 2 times [2025-03-17 18:54:28,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:54:28,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595305647] [2025-03-17 18:54:28,267 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 18:54:28,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:54:28,354 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 63 statements into 2 equivalence classes. [2025-03-17 18:54:28,477 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 63 of 63 statements. [2025-03-17 18:54:28,480 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 18:54:28,480 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:28,662 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-17 18:54:28,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:54:28,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595305647] [2025-03-17 18:54:28,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595305647] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 18:54:28,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354117688] [2025-03-17 18:54:28,662 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 18:54:28,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:54:28,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:54:28,664 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 18:54:28,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-17 18:54:28,949 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 63 statements into 2 equivalence classes. [2025-03-17 18:54:30,156 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 63 of 63 statements. [2025-03-17 18:54:30,156 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 18:54:30,156 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:30,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 1537 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 18:54:30,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 18:54:30,184 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-17 18:54:30,184 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 18:54:30,232 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-17 18:54:30,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354117688] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 18:54:30,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 18:54:30,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2025-03-17 18:54:30,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659689577] [2025-03-17 18:54:30,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 18:54:30,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-17 18:54:30,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:54:30,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-17 18:54:30,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-03-17 18:54:30,233 INFO L87 Difference]: Start difference. First operand 89 states and 94 transitions. Second operand has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:54:31,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:54:31,766 INFO L93 Difference]: Finished difference Result 159 states and 179 transitions. [2025-03-17 18:54:31,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 18:54:31,766 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2025-03-17 18:54:31,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:54:31,767 INFO L225 Difference]: With dead ends: 159 [2025-03-17 18:54:31,767 INFO L226 Difference]: Without dead ends: 125 [2025-03-17 18:54:31,767 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-03-17 18:54:31,767 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 4 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-03-17 18:54:31,768 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 135 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-03-17 18:54:31,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2025-03-17 18:54:31,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2025-03-17 18:54:31,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 117 states have (on average 1.0854700854700854) internal successors, (127), 121 states have internal predecessors, (127), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:54:31,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 130 transitions. [2025-03-17 18:54:31,772 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 130 transitions. Word has length 63 [2025-03-17 18:54:31,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:54:31,772 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 130 transitions. [2025-03-17 18:54:31,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:54:31,773 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 130 transitions. [2025-03-17 18:54:31,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-03-17 18:54:31,773 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:54:31,773 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:54:31,785 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-17 18:54:31,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:54:31,974 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2025-03-17 18:54:31,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:54:31,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1980587375, now seen corresponding path program 3 times [2025-03-17 18:54:31,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:54:31,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939397158] [2025-03-17 18:54:31,975 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 18:54:31,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:54:32,066 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 81 statements into 12 equivalence classes. [2025-03-17 18:54:32,650 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) and asserted 81 of 81 statements. [2025-03-17 18:54:32,650 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2025-03-17 18:54:32,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:54:36,792 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2025-03-17 18:54:36,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:54:36,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939397158] [2025-03-17 18:54:36,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939397158] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 18:54:36,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93694999] [2025-03-17 18:54:36,793 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 18:54:36,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 18:54:36,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:54:36,795 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 18:54:36,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-17 18:54:37,115 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 81 statements into 12 equivalence classes.