./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength6.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e2fb8bed 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/AutomizerTermination.xml -i ../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength6.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6ef2b56a2f4ebf2e6f7f4ededf8760f087ff726b08e36644d8dcb52a8d087cd1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 07:14:48,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 07:14:48,297 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-09 07:14:48,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 07:14:48,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 07:14:48,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-09 07:14:48,322 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 07:14:48,323 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 07:14:48,323 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 07:14:48,324 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 07:14:48,324 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 07:14:48,325 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 07:14:48,325 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 07:14:48,325 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 07:14:48,325 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-09 07:14:48,325 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-09 07:14:48,325 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-09 07:14:48,325 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-09 07:14:48,325 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-09 07:14:48,325 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-09 07:14:48,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 07:14:48,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-09 07:14:48,325 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 07:14:48,325 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 07:14:48,325 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 07:14:48,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 07:14:48,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-09 07:14:48,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-09 07:14:48,325 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-09 07:14:48,325 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 07:14:48,325 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 07:14:48,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 07:14:48,326 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-09 07:14:48,326 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 07:14:48,326 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 07:14:48,326 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 07:14:48,326 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 07:14:48,326 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 07:14:48,326 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 07:14:48,326 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-09 07:14:48,326 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ef2b56a2f4ebf2e6f7f4ededf8760f087ff726b08e36644d8dcb52a8d087cd1 [2025-03-09 07:14:48,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 07:14:48,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 07:14:48,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 07:14:48,651 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 07:14:48,651 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 07:14:48,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength6.c [2025-03-09 07:14:49,751 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d998aa56/c7f49b95a232492abb89ebd4d8b6b1b1/FLAGf66bd5d85 [2025-03-09 07:14:50,020 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 07:14:50,024 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength6.c [2025-03-09 07:14:50,029 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d998aa56/c7f49b95a232492abb89ebd4d8b6b1b1/FLAGf66bd5d85 [2025-03-09 07:14:50,337 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d998aa56/c7f49b95a232492abb89ebd4d8b6b1b1 [2025-03-09 07:14:50,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 07:14:50,342 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 07:14:50,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 07:14:50,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 07:14:50,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 07:14:50,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:14:50" (1/1) ... [2025-03-09 07:14:50,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@289c747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:50, skipping insertion in model container [2025-03-09 07:14:50,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:14:50" (1/1) ... [2025-03-09 07:14:50,362 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 07:14:50,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:14:50,478 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 07:14:50,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:14:50,502 INFO L204 MainTranslator]: Completed translation [2025-03-09 07:14:50,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:50 WrapperNode [2025-03-09 07:14:50,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 07:14:50,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 07:14:50,504 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 07:14:50,504 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 07:14:50,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:50" (1/1) ... [2025-03-09 07:14:50,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:50" (1/1) ... [2025-03-09 07:14:50,527 INFO L138 Inliner]: procedures = 8, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2025-03-09 07:14:50,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 07:14:50,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 07:14:50,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 07:14:50,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 07:14:50,535 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:50" (1/1) ... [2025-03-09 07:14:50,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:50" (1/1) ... [2025-03-09 07:14:50,536 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:50" (1/1) ... [2025-03-09 07:14:50,545 INFO L175 MemorySlicer]: Split 3 memory accesses to 2 slices as follows [1, 2]. 67 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 1 writes are split as follows [0, 1]. [2025-03-09 07:14:50,546 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:50" (1/1) ... [2025-03-09 07:14:50,546 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:50" (1/1) ... [2025-03-09 07:14:50,553 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:50" (1/1) ... [2025-03-09 07:14:50,554 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:50" (1/1) ... [2025-03-09 07:14:50,558 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:50" (1/1) ... [2025-03-09 07:14:50,559 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:50" (1/1) ... [2025-03-09 07:14:50,560 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 07:14:50,560 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 07:14:50,560 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 07:14:50,560 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 07:14:50,561 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:50" (1/1) ... [2025-03-09 07:14:50,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:14:50,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:14:50,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:14:50,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-03-09 07:14:50,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-09 07:14:50,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-09 07:14:50,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 07:14:50,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 07:14:50,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-09 07:14:50,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-09 07:14:50,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-09 07:14:50,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-09 07:14:50,679 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 07:14:50,680 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 07:14:50,793 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L22: call ULTIMATE.dealloc(main_~#b~0#1.base, main_~#b~0#1.offset);havoc main_~#b~0#1.base, main_~#b~0#1.offset;call ULTIMATE.dealloc(main_~#mask~0#1.base, main_~#mask~0#1.offset);havoc main_~#mask~0#1.base, main_~#mask~0#1.offset; [2025-03-09 07:14:50,800 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2025-03-09 07:14:50,801 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 07:14:50,810 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 07:14:50,810 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 07:14:50,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:14:50 BoogieIcfgContainer [2025-03-09 07:14:50,811 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 07:14:50,812 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-09 07:14:50,812 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-09 07:14:50,816 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-09 07:14:50,816 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:14:50,816 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.03 07:14:50" (1/3) ... [2025-03-09 07:14:50,817 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f484763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:14:50, skipping insertion in model container [2025-03-09 07:14:50,817 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:14:50,817 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:50" (2/3) ... [2025-03-09 07:14:50,817 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f484763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:14:50, skipping insertion in model container [2025-03-09 07:14:50,817 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:14:50,817 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:14:50" (3/3) ... [2025-03-09 07:14:50,818 INFO L363 chiAutomizerObserver]: Analyzing ICFG ArraysOfVariableLength6.c [2025-03-09 07:14:50,854 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-09 07:14:50,854 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-09 07:14:50,854 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-09 07:14:50,855 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-09 07:14:50,855 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-09 07:14:50,855 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-09 07:14:50,855 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-09 07:14:50,855 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-09 07:14:50,859 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2025-03-09 07:14:50,869 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2025-03-09 07:14:50,869 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:14:50,869 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:14:50,873 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-03-09 07:14:50,873 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-03-09 07:14:50,873 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-09 07:14:50,873 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2025-03-09 07:14:50,874 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2025-03-09 07:14:50,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:14:50,874 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:14:50,874 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-03-09 07:14:50,874 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-03-09 07:14:50,877 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret2#1, main_#t~post3#1, main_#t~mem4#1, main_#t~post5#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~buffer~0#1, main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;havoc main_~i~1#1;call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400);havoc main_~buffer~0#1;call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);havoc main_~c~0#1.base, main_~c~0#1.offset;main_~i~1#1 := 0;" [2025-03-09 07:14:50,878 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~1#1 % 4294967296 < 32;main_~c~0#1.base, main_~c~0#1.offset := main_~#mask~0#1.base, main_~#mask~0#1.offset;assume { :begin_inline_foo } true;foo_#in~size#1, foo_#in~b#1.base, foo_#in~b#1.offset := 32, main_~c~0#1.base, main_~c~0#1.offset;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~size#1, foo_~b#1.base, foo_~b#1.offset, foo_~a~0#1, foo_~i~0#1;foo_~size#1 := foo_#in~size#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0;" "assume !(foo_~i~0#1 < foo_~size#1);foo_#res#1 := foo_~i~0#1;" "main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~size#1, foo_~b#1.base, foo_~b#1.offset, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~size#1, foo_#in~b#1.base, foo_#in~b#1.offset;assume { :end_inline_foo } true;call write~int#1(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1;main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1;" [2025-03-09 07:14:50,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:14:50,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1536, now seen corresponding path program 1 times [2025-03-09 07:14:50,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:14:50,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026113902] [2025-03-09 07:14:50,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:14:50,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:14:50,935 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-09 07:14:50,949 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-09 07:14:50,950 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:14:50,950 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:14:50,950 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:14:50,953 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-09 07:14:50,957 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-09 07:14:50,957 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:14:50,957 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:14:50,970 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:14:50,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:14:50,972 INFO L85 PathProgramCache]: Analyzing trace with hash 45613, now seen corresponding path program 1 times [2025-03-09 07:14:50,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:14:50,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634403517] [2025-03-09 07:14:50,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:14:50,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:14:50,982 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-09 07:14:50,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-09 07:14:50,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:14:50,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:14:51,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 07:14:51,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 07:14:51,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634403517] [2025-03-09 07:14:51,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634403517] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 07:14:51,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 07:14:51,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 07:14:51,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081407707] [2025-03-09 07:14:51,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 07:14:51,114 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-09 07:14:51,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 07:14:51,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 07:14:51,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 07:14:51,137 INFO L87 Difference]: Start difference. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) Second operand has 3 states, 3 states have (on average 1.0) 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) [2025-03-09 07:14:51,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 07:14:51,151 INFO L93 Difference]: Finished difference Result 12 states and 15 transitions. [2025-03-09 07:14:51,152 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2025-03-09 07:14:51,153 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2025-03-09 07:14:51,159 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 8 states and 10 transitions. [2025-03-09 07:14:51,160 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2025-03-09 07:14:51,161 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2025-03-09 07:14:51,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2025-03-09 07:14:51,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 07:14:51,162 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2025-03-09 07:14:51,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2025-03-09 07:14:51,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2025-03-09 07:14:51,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 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) [2025-03-09 07:14:51,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2025-03-09 07:14:51,180 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2025-03-09 07:14:51,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 07:14:51,183 INFO L432 stractBuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2025-03-09 07:14:51,183 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-09 07:14:51,183 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2025-03-09 07:14:51,184 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2025-03-09 07:14:51,184 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:14:51,184 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:14:51,184 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-03-09 07:14:51,184 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-03-09 07:14:51,184 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret2#1, main_#t~post3#1, main_#t~mem4#1, main_#t~post5#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~buffer~0#1, main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;havoc main_~i~1#1;call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400);havoc main_~buffer~0#1;call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);havoc main_~c~0#1.base, main_~c~0#1.offset;main_~i~1#1 := 0;" [2025-03-09 07:14:51,184 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~1#1 % 4294967296 < 32;main_~c~0#1.base, main_~c~0#1.offset := main_~#mask~0#1.base, main_~#mask~0#1.offset;assume { :begin_inline_foo } true;foo_#in~size#1, foo_#in~b#1.base, foo_#in~b#1.offset := 32, main_~c~0#1.base, main_~c~0#1.offset;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~size#1, foo_~b#1.base, foo_~b#1.offset, foo_~a~0#1, foo_~i~0#1;foo_~size#1 := foo_#in~size#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume !(foo_~i~0#1 < foo_~size#1);foo_#res#1 := foo_~i~0#1;" "main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~size#1, foo_~b#1.base, foo_~b#1.offset, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~size#1, foo_#in~b#1.base, foo_#in~b#1.offset;assume { :end_inline_foo } true;call write~int#1(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1;main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1;" [2025-03-09 07:14:51,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:14:51,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1536, now seen corresponding path program 2 times [2025-03-09 07:14:51,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:14:51,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984075145] [2025-03-09 07:14:51,185 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 07:14:51,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:14:51,189 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 2 statements into 1 equivalence classes. [2025-03-09 07:14:51,192 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-09 07:14:51,197 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 07:14:51,197 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:14:51,197 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:14:51,198 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-09 07:14:51,200 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-09 07:14:51,203 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:14:51,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:14:51,204 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:14:51,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:14:51,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1415038, now seen corresponding path program 1 times [2025-03-09 07:14:51,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:14:51,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401311152] [2025-03-09 07:14:51,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:14:51,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:14:51,211 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 07:14:51,217 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 07:14:51,217 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:14:51,217 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:14:51,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 07:14:51,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 07:14:51,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401311152] [2025-03-09 07:14:51,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401311152] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 07:14:51,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750718944] [2025-03-09 07:14:51,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:14:51,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 07:14:51,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:14:51,284 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) [2025-03-09 07:14:51,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-09 07:14:51,336 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 07:14:51,347 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 07:14:51,349 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:14:51,349 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:14:51,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 07:14:51,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 07:14:51,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 07:14:51,409 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 07:14:51,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 07:14:51,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750718944] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 07:14:51,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 07:14:51,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2025-03-09 07:14:51,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37015653] [2025-03-09 07:14:51,431 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 07:14:51,431 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-09 07:14:51,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 07:14:51,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 07:14:51,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-03-09 07:14:51,432 INFO L87 Difference]: Start difference. First operand 8 states and 10 transitions. cyclomatic complexity: 4 Second operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 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) [2025-03-09 07:14:51,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 07:14:51,454 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2025-03-09 07:14:51,454 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2025-03-09 07:14:51,454 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2025-03-09 07:14:51,454 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 13 transitions. [2025-03-09 07:14:51,454 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2025-03-09 07:14:51,454 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2025-03-09 07:14:51,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2025-03-09 07:14:51,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 07:14:51,455 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 13 transitions. [2025-03-09 07:14:51,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2025-03-09 07:14:51,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2025-03-09 07:14:51,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 10 states have internal predecessors, (13), 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) [2025-03-09 07:14:51,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2025-03-09 07:14:51,456 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 13 transitions. [2025-03-09 07:14:51,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 07:14:51,457 INFO L432 stractBuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2025-03-09 07:14:51,457 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-03-09 07:14:51,457 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 13 transitions. [2025-03-09 07:14:51,457 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2025-03-09 07:14:51,457 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:14:51,457 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:14:51,457 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-03-09 07:14:51,457 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 1, 1, 1] [2025-03-09 07:14:51,457 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret2#1, main_#t~post3#1, main_#t~mem4#1, main_#t~post5#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~buffer~0#1, main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;havoc main_~i~1#1;call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400);havoc main_~buffer~0#1;call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);havoc main_~c~0#1.base, main_~c~0#1.offset;main_~i~1#1 := 0;" [2025-03-09 07:14:51,458 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~1#1 % 4294967296 < 32;main_~c~0#1.base, main_~c~0#1.offset := main_~#mask~0#1.base, main_~#mask~0#1.offset;assume { :begin_inline_foo } true;foo_#in~size#1, foo_#in~b#1.base, foo_#in~b#1.offset := 32, main_~c~0#1.base, main_~c~0#1.offset;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~size#1, foo_~b#1.base, foo_~b#1.offset, foo_~a~0#1, foo_~i~0#1;foo_~size#1 := foo_#in~size#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume !(foo_~i~0#1 < foo_~size#1);foo_#res#1 := foo_~i~0#1;" "main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~size#1, foo_~b#1.base, foo_~b#1.offset, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~size#1, foo_#in~b#1.base, foo_#in~b#1.offset;assume { :end_inline_foo } true;call write~int#1(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1;main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1;" [2025-03-09 07:14:51,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:14:51,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1536, now seen corresponding path program 3 times [2025-03-09 07:14:51,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:14:51,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368107616] [2025-03-09 07:14:51,458 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 07:14:51,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:14:51,462 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 2 statements into 1 equivalence classes. [2025-03-09 07:14:51,465 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-09 07:14:51,466 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 07:14:51,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:14:51,466 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:14:51,469 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-09 07:14:51,471 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-09 07:14:51,471 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:14:51,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:14:51,472 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:14:51,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:14:51,475 INFO L85 PathProgramCache]: Analyzing trace with hash -793248147, now seen corresponding path program 2 times [2025-03-09 07:14:51,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:14:51,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644373291] [2025-03-09 07:14:51,475 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 07:14:51,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:14:51,487 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 2 equivalence classes. [2025-03-09 07:14:51,507 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:14:51,507 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 07:14:51,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:14:51,659 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 07:14:51,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 07:14:51,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644373291] [2025-03-09 07:14:51,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644373291] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 07:14:51,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720802647] [2025-03-09 07:14:51,660 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 07:14:51,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 07:14:51,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:14:51,662 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) [2025-03-09 07:14:51,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-09 07:14:51,694 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 2 equivalence classes. [2025-03-09 07:14:51,704 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:14:51,705 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 07:14:51,705 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:14:51,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 07:14:51,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 07:14:51,810 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 07:14:51,810 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 07:14:51,902 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 07:14:51,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720802647] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 07:14:51,902 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 07:14:51,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2025-03-09 07:14:51,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707760082] [2025-03-09 07:14:51,903 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 07:14:51,903 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-09 07:14:51,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 07:14:51,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-03-09 07:14:51,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=146, Unknown=0, NotChecked=0, Total=272 [2025-03-09 07:14:51,904 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. cyclomatic complexity: 4 Second operand has 17 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 16 states have internal predecessors, (19), 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) [2025-03-09 07:14:51,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 07:14:51,925 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2025-03-09 07:14:51,925 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 19 transitions. [2025-03-09 07:14:51,925 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2025-03-09 07:14:51,926 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 19 transitions. [2025-03-09 07:14:51,926 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2025-03-09 07:14:51,926 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2025-03-09 07:14:51,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 19 transitions. [2025-03-09 07:14:51,926 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 07:14:51,926 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions. [2025-03-09 07:14:51,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 19 transitions. [2025-03-09 07:14:51,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2025-03-09 07:14:51,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 16 states have internal predecessors, (19), 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) [2025-03-09 07:14:51,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2025-03-09 07:14:51,927 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions. [2025-03-09 07:14:51,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 07:14:51,928 INFO L432 stractBuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2025-03-09 07:14:51,928 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-03-09 07:14:51,928 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 19 transitions. [2025-03-09 07:14:51,929 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2025-03-09 07:14:51,929 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:14:51,929 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:14:51,929 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-03-09 07:14:51,929 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [10, 1, 1, 1] [2025-03-09 07:14:51,929 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret2#1, main_#t~post3#1, main_#t~mem4#1, main_#t~post5#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~buffer~0#1, main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;havoc main_~i~1#1;call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400);havoc main_~buffer~0#1;call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);havoc main_~c~0#1.base, main_~c~0#1.offset;main_~i~1#1 := 0;" [2025-03-09 07:14:51,929 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~1#1 % 4294967296 < 32;main_~c~0#1.base, main_~c~0#1.offset := main_~#mask~0#1.base, main_~#mask~0#1.offset;assume { :begin_inline_foo } true;foo_#in~size#1, foo_#in~b#1.base, foo_#in~b#1.offset := 32, main_~c~0#1.base, main_~c~0#1.offset;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~size#1, foo_~b#1.base, foo_~b#1.offset, foo_~a~0#1, foo_~i~0#1;foo_~size#1 := foo_#in~size#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume !(foo_~i~0#1 < foo_~size#1);foo_#res#1 := foo_~i~0#1;" "main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~size#1, foo_~b#1.base, foo_~b#1.offset, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~size#1, foo_#in~b#1.base, foo_#in~b#1.offset;assume { :end_inline_foo } true;call write~int#1(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1;main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1;" [2025-03-09 07:14:51,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:14:51,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1536, now seen corresponding path program 4 times [2025-03-09 07:14:51,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:14:51,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178076197] [2025-03-09 07:14:51,930 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 07:14:51,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:14:51,938 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 2 statements into 2 equivalence classes. [2025-03-09 07:14:51,943 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 2 of 2 statements. [2025-03-09 07:14:51,943 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 07:14:51,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:14:51,943 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:14:51,946 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-09 07:14:51,947 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-09 07:14:51,947 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:14:51,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:14:51,951 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:14:51,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:14:51,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1095742669, now seen corresponding path program 3 times [2025-03-09 07:14:51,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:14:51,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784529175] [2025-03-09 07:14:51,951 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 07:14:51,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:14:51,964 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 13 statements into 6 equivalence classes. [2025-03-09 07:14:51,990 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 07:14:51,991 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-03-09 07:14:51,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:14:52,217 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 07:14:52,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 07:14:52,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784529175] [2025-03-09 07:14:52,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784529175] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 07:14:52,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702807160] [2025-03-09 07:14:52,218 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 07:14:52,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 07:14:52,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:14:52,221 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) [2025-03-09 07:14:52,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-09 07:14:52,266 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 13 statements into 6 equivalence classes. [2025-03-09 07:14:52,292 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 07:14:52,292 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-03-09 07:14:52,292 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:14:52,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-09 07:14:52,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 07:14:52,460 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 07:14:52,460 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 07:14:52,684 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 07:14:52,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702807160] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 07:14:52,684 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 07:14:52,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 34 [2025-03-09 07:14:52,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076335935] [2025-03-09 07:14:52,685 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 07:14:52,685 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-09 07:14:52,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 07:14:52,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2025-03-09 07:14:52,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=540, Invalid=650, Unknown=0, NotChecked=0, Total=1190 [2025-03-09 07:14:52,686 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. cyclomatic complexity: 4 Second operand has 35 states, 35 states have (on average 1.0571428571428572) internal successors, (37), 34 states have internal predecessors, (37), 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) [2025-03-09 07:14:52,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 07:14:52,740 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2025-03-09 07:14:52,740 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 31 transitions. [2025-03-09 07:14:52,741 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 27 [2025-03-09 07:14:52,742 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 31 transitions. [2025-03-09 07:14:52,742 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2025-03-09 07:14:52,742 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2025-03-09 07:14:52,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 31 transitions. [2025-03-09 07:14:52,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 07:14:52,742 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 31 transitions. [2025-03-09 07:14:52,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 31 transitions. [2025-03-09 07:14:52,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2025-03-09 07:14:52,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.0689655172413792) internal successors, (31), 28 states have internal predecessors, (31), 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) [2025-03-09 07:14:52,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2025-03-09 07:14:52,744 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 31 transitions. [2025-03-09 07:14:52,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-09 07:14:52,746 INFO L432 stractBuchiCegarLoop]: Abstraction has 29 states and 31 transitions. [2025-03-09 07:14:52,746 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-03-09 07:14:52,746 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 31 transitions. [2025-03-09 07:14:52,746 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 27 [2025-03-09 07:14:52,746 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:14:52,746 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:14:52,746 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-03-09 07:14:52,746 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [22, 1, 1, 1] [2025-03-09 07:14:52,746 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret2#1, main_#t~post3#1, main_#t~mem4#1, main_#t~post5#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~buffer~0#1, main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;havoc main_~i~1#1;call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400);havoc main_~buffer~0#1;call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);havoc main_~c~0#1.base, main_~c~0#1.offset;main_~i~1#1 := 0;" [2025-03-09 07:14:52,746 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~1#1 % 4294967296 < 32;main_~c~0#1.base, main_~c~0#1.offset := main_~#mask~0#1.base, main_~#mask~0#1.offset;assume { :begin_inline_foo } true;foo_#in~size#1, foo_#in~b#1.base, foo_#in~b#1.offset := 32, main_~c~0#1.base, main_~c~0#1.offset;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~size#1, foo_~b#1.base, foo_~b#1.offset, foo_~a~0#1, foo_~i~0#1;foo_~size#1 := foo_#in~size#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume !(foo_~i~0#1 < foo_~size#1);foo_#res#1 := foo_~i~0#1;" "main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~size#1, foo_~b#1.base, foo_~b#1.offset, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~size#1, foo_#in~b#1.base, foo_#in~b#1.offset;assume { :end_inline_foo } true;call write~int#1(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1;main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1;" [2025-03-09 07:14:52,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:14:52,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1536, now seen corresponding path program 5 times [2025-03-09 07:14:52,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:14:52,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746668345] [2025-03-09 07:14:52,748 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-09 07:14:52,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:14:52,752 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 2 statements into 1 equivalence classes. [2025-03-09 07:14:52,753 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-09 07:14:52,753 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 07:14:52,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:14:52,753 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:14:52,754 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-09 07:14:52,755 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-09 07:14:52,755 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:14:52,755 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:14:52,756 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:14:52,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:14:52,756 INFO L85 PathProgramCache]: Analyzing trace with hash 116803981, now seen corresponding path program 4 times [2025-03-09 07:14:52,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:14:52,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533058394] [2025-03-09 07:14:52,756 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 07:14:52,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:14:52,766 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 25 statements into 2 equivalence classes. [2025-03-09 07:14:52,783 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 25 of 25 statements. [2025-03-09 07:14:52,783 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 07:14:52,783 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:14:53,291 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 07:14:53,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 07:14:53,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533058394] [2025-03-09 07:14:53,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533058394] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 07:14:53,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668307999] [2025-03-09 07:14:53,292 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 07:14:53,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 07:14:53,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:14:53,294 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) [2025-03-09 07:14:53,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-09 07:14:53,332 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 25 statements into 2 equivalence classes. [2025-03-09 07:14:53,359 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 25 of 25 statements. [2025-03-09 07:14:53,359 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 07:14:53,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:14:53,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-03-09 07:14:53,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 07:14:53,755 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 07:14:53,755 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 07:14:54,203 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 07:14:54,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668307999] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 07:14:54,203 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 07:14:54,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 56 [2025-03-09 07:14:54,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929276347] [2025-03-09 07:14:54,204 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 07:14:54,204 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-09 07:14:54,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 07:14:54,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2025-03-09 07:14:54,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1343, Invalid=1849, Unknown=0, NotChecked=0, Total=3192 [2025-03-09 07:14:54,206 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. cyclomatic complexity: 4 Second operand has 57 states, 57 states have (on average 1.0526315789473684) internal successors, (60), 56 states have internal predecessors, (60), 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) [2025-03-09 07:14:54,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 07:14:54,257 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2025-03-09 07:14:54,257 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 41 transitions. [2025-03-09 07:14:54,258 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2025-03-09 07:14:54,261 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 41 transitions. [2025-03-09 07:14:54,261 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 39 [2025-03-09 07:14:54,261 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 39 [2025-03-09 07:14:54,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 41 transitions. [2025-03-09 07:14:54,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 07:14:54,261 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 41 transitions. [2025-03-09 07:14:54,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 41 transitions. [2025-03-09 07:14:54,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2025-03-09 07:14:54,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.0512820512820513) internal successors, (41), 38 states have internal predecessors, (41), 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) [2025-03-09 07:14:54,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2025-03-09 07:14:54,263 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 41 transitions. [2025-03-09 07:14:54,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-03-09 07:14:54,265 INFO L432 stractBuchiCegarLoop]: Abstraction has 39 states and 41 transitions. [2025-03-09 07:14:54,265 INFO L338 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-03-09 07:14:54,265 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 41 transitions. [2025-03-09 07:14:54,265 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2025-03-09 07:14:54,265 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:14:54,265 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:14:54,265 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-03-09 07:14:54,265 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [32, 1, 1, 1] [2025-03-09 07:14:54,265 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret2#1, main_#t~post3#1, main_#t~mem4#1, main_#t~post5#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~buffer~0#1, main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;havoc main_~i~1#1;call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400);havoc main_~buffer~0#1;call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);havoc main_~c~0#1.base, main_~c~0#1.offset;main_~i~1#1 := 0;" [2025-03-09 07:14:54,266 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~1#1 % 4294967296 < 32;main_~c~0#1.base, main_~c~0#1.offset := main_~#mask~0#1.base, main_~#mask~0#1.offset;assume { :begin_inline_foo } true;foo_#in~size#1, foo_#in~b#1.base, foo_#in~b#1.offset := 32, main_~c~0#1.base, main_~c~0#1.offset;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~size#1, foo_~b#1.base, foo_~b#1.offset, foo_~a~0#1, foo_~i~0#1;foo_~size#1 := foo_#in~size#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume foo_~i~0#1 < foo_~size#1;assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#0(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1;foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1;" "assume !(foo_~i~0#1 < foo_~size#1);foo_#res#1 := foo_~i~0#1;" "main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~size#1, foo_~b#1.base, foo_~b#1.offset, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~size#1, foo_#in~b#1.base, foo_#in~b#1.offset;assume { :end_inline_foo } true;call write~int#1(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1;main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1;" [2025-03-09 07:14:54,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:14:54,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1536, now seen corresponding path program 6 times [2025-03-09 07:14:54,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:14:54,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778049651] [2025-03-09 07:14:54,266 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-09 07:14:54,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:14:54,269 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 2 statements into 1 equivalence classes. [2025-03-09 07:14:54,270 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-09 07:14:54,270 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-09 07:14:54,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:14:54,270 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:14:54,271 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-09 07:14:54,272 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-09 07:14:54,272 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:14:54,272 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:14:54,273 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:14:54,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:14:54,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1791519699, now seen corresponding path program 5 times [2025-03-09 07:14:54,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:14:54,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346997013] [2025-03-09 07:14:54,273 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-09 07:14:54,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:14:54,284 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 35 statements into 17 equivalence classes. [2025-03-09 07:14:54,394 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) and asserted 35 of 35 statements. [2025-03-09 07:14:54,395 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2025-03-09 07:14:54,395 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:14:54,395 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:14:54,403 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-09 07:14:54,428 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-09 07:14:54,430 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:14:54,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:14:54,441 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:14:54,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:14:54,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1672833586, now seen corresponding path program 1 times [2025-03-09 07:14:54,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:14:54,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972452948] [2025-03-09 07:14:54,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:14:54,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:14:54,471 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-09 07:14:54,498 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-09 07:14:54,498 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:14:54,498 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:14:54,498 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:14:54,503 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-09 07:14:54,533 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-09 07:14:54,533 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:14:54,533 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:14:54,542 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace