./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 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/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-?-8fc3dc6-m [2025-03-17 20:17:32,990 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 20:17:33,045 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-17 20:17:33,048 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 20:17:33,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 20:17:33,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-17 20:17:33,070 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 20:17:33,072 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 20:17:33,072 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 20:17:33,072 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 20:17:33,073 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 20:17:33,073 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 20:17:33,073 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 20:17:33,073 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 20:17:33,074 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-17 20:17:33,074 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-17 20:17:33,074 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-17 20:17:33,074 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-17 20:17:33,074 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-17 20:17:33,074 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-17 20:17:33,074 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 20:17:33,074 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-17 20:17:33,074 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 20:17:33,075 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 20:17:33,075 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 20:17:33,075 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 20:17:33,075 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-17 20:17:33,075 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-17 20:17:33,075 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-17 20:17:33,075 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 20:17:33,075 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 20:17:33,075 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 20:17:33,076 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-17 20:17:33,076 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 20:17:33,076 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 20:17:33,076 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 20:17:33,076 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 20:17:33,076 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 20:17:33,076 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 20:17:33,076 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-17 20:17:33,077 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 [2025-03-17 20:17:33,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 20:17:33,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 20:17:33,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 20:17:33,298 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 20:17:33,298 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 20:17:33,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength6.c [2025-03-17 20:17:34,398 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/065e4d937/0f56599365d447ae9d7a482dd11c6136/FLAG3e2425bcb [2025-03-17 20:17:34,652 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 20:17:34,654 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength6.c [2025-03-17 20:17:34,660 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/065e4d937/0f56599365d447ae9d7a482dd11c6136/FLAG3e2425bcb [2025-03-17 20:17:34,681 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/065e4d937/0f56599365d447ae9d7a482dd11c6136 [2025-03-17 20:17:34,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 20:17:34,684 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 20:17:34,685 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 20:17:34,685 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 20:17:34,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 20:17:34,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 08:17:34" (1/1) ... [2025-03-17 20:17:34,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cf32be2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:17:34, skipping insertion in model container [2025-03-17 20:17:34,693 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 08:17:34" (1/1) ... [2025-03-17 20:17:34,702 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 20:17:34,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 20:17:34,817 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 20:17:34,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 20:17:34,840 INFO L204 MainTranslator]: Completed translation [2025-03-17 20:17:34,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:17:34 WrapperNode [2025-03-17 20:17:34,841 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 20:17:34,842 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 20:17:34,842 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 20:17:34,842 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 20:17:34,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:17:34" (1/1) ... [2025-03-17 20:17:34,850 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:17:34" (1/1) ... [2025-03-17 20:17:34,863 INFO L138 Inliner]: procedures = 8, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2025-03-17 20:17:34,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 20:17:34,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 20:17:34,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 20:17:34,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 20:17:34,870 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:17:34" (1/1) ... [2025-03-17 20:17:34,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:17:34" (1/1) ... [2025-03-17 20:17:34,871 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:17:34" (1/1) ... [2025-03-17 20:17:34,882 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]. [2025-03-17 20:17:34,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:17:34" (1/1) ... [2025-03-17 20:17:34,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:17:34" (1/1) ... [2025-03-17 20:17:34,886 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:17:34" (1/1) ... [2025-03-17 20:17:34,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:17:34" (1/1) ... [2025-03-17 20:17:34,890 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:17:34" (1/1) ... [2025-03-17 20:17:34,891 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:17:34" (1/1) ... [2025-03-17 20:17:34,893 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 20:17:34,895 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 20:17:34,895 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 20:17:34,895 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 20:17:34,896 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:17:34" (1/1) ... [2025-03-17 20:17:34,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:17:34,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:17:34,922 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) [2025-03-17 20:17:34,925 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 [2025-03-17 20:17:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 20:17:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 20:17:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 20:17:34,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 20:17:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 20:17:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 20:17:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 20:17:34,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 20:17:34,990 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 20:17:34,992 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 20:17:35,107 INFO L1322 $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; [2025-03-17 20:17:35,115 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2025-03-17 20:17:35,115 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 20:17:35,121 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 20:17:35,121 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 20:17:35,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 08:17:35 BoogieIcfgContainer [2025-03-17 20:17:35,121 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 20:17:35,122 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-17 20:17:35,122 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-17 20:17:35,126 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-17 20:17:35,128 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-17 20:17:35,128 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.03 08:17:34" (1/3) ... [2025-03-17 20:17:35,129 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58954b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.03 08:17:35, skipping insertion in model container [2025-03-17 20:17:35,129 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-17 20:17:35,129 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:17:34" (2/3) ... [2025-03-17 20:17:35,129 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58954b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.03 08:17:35, skipping insertion in model container [2025-03-17 20:17:35,130 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-17 20:17:35,130 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 08:17:35" (3/3) ... [2025-03-17 20:17:35,131 INFO L363 chiAutomizerObserver]: Analyzing ICFG ArraysOfVariableLength6.c [2025-03-17 20:17:35,168 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-17 20:17:35,168 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-17 20:17:35,169 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-17 20:17:35,169 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-17 20:17:35,169 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-17 20:17:35,170 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-17 20:17:35,170 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-17 20:17:35,170 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-17 20:17:35,174 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:17:35,184 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2025-03-17 20:17:35,185 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 20:17:35,185 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 20:17:35,188 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-03-17 20:17:35,188 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-03-17 20:17:35,189 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-17 20:17:35,189 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:17:35,189 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2025-03-17 20:17:35,189 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 20:17:35,189 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 20:17:35,190 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-03-17 20:17:35,190 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-03-17 20:17:35,194 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;" [2025-03-17 20:17:35,194 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;" [2025-03-17 20:17:35,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:17:35,198 INFO L85 PathProgramCache]: Analyzing trace with hash 45, now seen corresponding path program 1 times [2025-03-17 20:17:35,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:17:35,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927292299] [2025-03-17 20:17:35,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:17:35,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:17:35,256 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-17 20:17:35,271 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-17 20:17:35,271 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:17:35,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:17:35,272 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:17:35,274 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-17 20:17:35,277 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-17 20:17:35,277 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:17:35,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:17:35,287 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:17:35,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:17:35,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1375, now seen corresponding path program 1 times [2025-03-17 20:17:35,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:17:35,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578745793] [2025-03-17 20:17:35,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:17:35,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:17:35,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 20:17:35,301 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 20:17:35,302 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:17:35,302 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 20:17:35,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 20:17:35,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 20:17:35,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578745793] [2025-03-17 20:17:35,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578745793] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 20:17:35,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 20:17:35,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 20:17:35,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689957764] [2025-03-17 20:17:35,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 20:17:35,406 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-17 20:17:35,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 20:17:35,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 20:17:35,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 20:17:35,426 INFO L87 Difference]: Start difference. First operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:17:35,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 20:17:35,439 INFO L93 Difference]: Finished difference Result 9 states and 12 transitions. [2025-03-17 20:17:35,440 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 12 transitions. [2025-03-17 20:17:35,440 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2025-03-17 20:17:35,444 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 6 states and 8 transitions. [2025-03-17 20:17:35,445 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2025-03-17 20:17:35,445 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2025-03-17 20:17:35,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 8 transitions. [2025-03-17 20:17:35,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-17 20:17:35,446 INFO L218 hiAutomatonCegarLoop]: Abstraction has 6 states and 8 transitions. [2025-03-17 20:17:35,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 8 transitions. [2025-03-17 20:17:35,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2025-03-17 20:17:35,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:17:35,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2025-03-17 20:17:35,469 INFO L240 hiAutomatonCegarLoop]: Abstraction has 6 states and 8 transitions. [2025-03-17 20:17:35,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 20:17:35,472 INFO L432 stractBuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2025-03-17 20:17:35,472 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-17 20:17:35,474 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. [2025-03-17 20:17:35,474 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2025-03-17 20:17:35,474 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 20:17:35,474 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 20:17:35,475 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-03-17 20:17:35,475 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-03-17 20:17:35,475 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret2#1, main_#t~post3#1, main_#t~mem4#1, main_#t~post5#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~buffer~0#1, main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;havoc main_~i~1#1;call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400);havoc main_~buffer~0#1;call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);havoc main_~c~0#1.base, main_~c~0#1.offset;main_~i~1#1 := 0;" [2025-03-17 20:17:35,475 INFO L754 eck$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;" [2025-03-17 20:17:35,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:17:35,476 INFO L85 PathProgramCache]: Analyzing trace with hash 45, now seen corresponding path program 2 times [2025-03-17 20:17:35,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:17:35,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975776264] [2025-03-17 20:17:35,476 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 20:17:35,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:17:35,480 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 1 statements into 1 equivalence classes. [2025-03-17 20:17:35,483 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-17 20:17:35,484 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 20:17:35,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:17:35,484 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:17:35,485 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-17 20:17:35,491 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-17 20:17:35,491 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:17:35,491 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:17:35,493 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:17:35,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:17:35,494 INFO L85 PathProgramCache]: Analyzing trace with hash 42667, now seen corresponding path program 1 times [2025-03-17 20:17:35,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:17:35,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250838655] [2025-03-17 20:17:35,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:17:35,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:17:35,505 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-17 20:17:35,510 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-17 20:17:35,511 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:17:35,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 20:17:35,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 20:17:35,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 20:17:35,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250838655] [2025-03-17 20:17:35,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250838655] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 20:17:35,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140505222] [2025-03-17 20:17:35,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:17:35,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 20:17:35,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:17:35,590 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 20:17:35,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 20:17:35,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-17 20:17:35,646 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-17 20:17:35,646 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:17:35,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 20:17:35,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 20:17:35,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 20:17:35,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 20:17:35,707 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 20:17:35,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 20:17:35,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2140505222] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 20:17:35,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 20:17:35,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 6 [2025-03-17 20:17:35,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154133110] [2025-03-17 20:17:35,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 20:17:35,737 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-17 20:17:35,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 20:17:35,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 20:17:35,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-03-17 20:17:35,738 INFO L87 Difference]: Start difference. First operand 6 states and 8 transitions. cyclomatic complexity: 4 Second operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:17:35,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 20:17:35,755 INFO L93 Difference]: Finished difference Result 9 states and 11 transitions. [2025-03-17 20:17:35,756 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 11 transitions. [2025-03-17 20:17:35,756 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2025-03-17 20:17:35,757 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 11 transitions. [2025-03-17 20:17:35,757 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2025-03-17 20:17:35,757 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2025-03-17 20:17:35,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2025-03-17 20:17:35,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-17 20:17:35,757 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2025-03-17 20:17:35,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2025-03-17 20:17:35,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2025-03-17 20:17:35,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:17:35,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2025-03-17 20:17:35,758 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2025-03-17 20:17:35,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 20:17:35,760 INFO L432 stractBuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2025-03-17 20:17:35,760 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-03-17 20:17:35,760 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2025-03-17 20:17:35,760 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2025-03-17 20:17:35,760 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 20:17:35,760 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 20:17:35,761 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-03-17 20:17:35,761 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 1, 1] [2025-03-17 20:17:35,761 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;" [2025-03-17 20:17:35,761 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;" [2025-03-17 20:17:35,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:17:35,761 INFO L85 PathProgramCache]: Analyzing trace with hash 45, now seen corresponding path program 3 times [2025-03-17 20:17:35,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:17:35,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475720579] [2025-03-17 20:17:35,761 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 20:17:35,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:17:35,767 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 1 statements into 1 equivalence classes. [2025-03-17 20:17:35,770 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-17 20:17:35,770 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-17 20:17:35,770 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:17:35,770 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:17:35,771 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-17 20:17:35,773 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-17 20:17:35,773 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:17:35,773 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:17:35,775 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:17:35,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:17:35,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1271134303, now seen corresponding path program 2 times [2025-03-17 20:17:35,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:17:35,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328982282] [2025-03-17 20:17:35,776 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 20:17:35,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:17:35,784 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 6 statements into 2 equivalence classes. [2025-03-17 20:17:35,792 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 20:17:35,792 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 20:17:35,793 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 20:17:35,972 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 20:17:35,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 20:17:35,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328982282] [2025-03-17 20:17:35,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328982282] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 20:17:35,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076625580] [2025-03-17 20:17:35,972 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 20:17:35,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 20:17:35,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:17:35,974 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 20:17:35,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 20:17:36,004 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 6 statements into 2 equivalence classes. [2025-03-17 20:17:36,015 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 20:17:36,016 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 20:17:36,016 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 20:17:36,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 20:17:36,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 20:17:36,110 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 20:17:36,111 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 20:17:36,205 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 20:17:36,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076625580] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 20:17:36,207 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 20:17:36,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 15 [2025-03-17 20:17:36,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148485330] [2025-03-17 20:17:36,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 20:17:36,207 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-17 20:17:36,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 20:17:36,207 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-03-17 20:17:36,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=146, Unknown=0, NotChecked=0, Total=272 [2025-03-17 20:17:36,208 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. cyclomatic complexity: 4 Second operand has 17 states, 16 states have (on average 1.125) internal successors, (18), 16 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:17:36,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 20:17:36,237 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2025-03-17 20:17:36,237 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2025-03-17 20:17:36,237 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2025-03-17 20:17:36,237 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 17 transitions. [2025-03-17 20:17:36,237 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2025-03-17 20:17:36,238 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2025-03-17 20:17:36,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 17 transitions. [2025-03-17 20:17:36,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-17 20:17:36,238 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2025-03-17 20:17:36,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 17 transitions. [2025-03-17 20:17:36,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2025-03-17 20:17:36,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:17:36,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2025-03-17 20:17:36,239 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2025-03-17 20:17:36,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 20:17:36,240 INFO L432 stractBuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2025-03-17 20:17:36,240 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-03-17 20:17:36,241 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2025-03-17 20:17:36,241 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2025-03-17 20:17:36,241 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 20:17:36,241 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 20:17:36,241 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-03-17 20:17:36,241 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [10, 1, 1] [2025-03-17 20:17:36,241 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret2#1, main_#t~post3#1, main_#t~mem4#1, main_#t~post5#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~buffer~0#1, main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;havoc main_~i~1#1;call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400);havoc main_~buffer~0#1;call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);havoc main_~c~0#1.base, main_~c~0#1.offset;main_~i~1#1 := 0;" [2025-03-17 20:17:36,241 INFO L754 eck$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;" [2025-03-17 20:17:36,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:17:36,245 INFO L85 PathProgramCache]: Analyzing trace with hash 45, now seen corresponding path program 4 times [2025-03-17 20:17:36,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:17:36,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676396037] [2025-03-17 20:17:36,245 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-17 20:17:36,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:17:36,249 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 1 statements into 2 equivalence classes. [2025-03-17 20:17:36,250 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 1 of 1 statements. [2025-03-17 20:17:36,250 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-17 20:17:36,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:17:36,251 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:17:36,252 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-17 20:17:36,255 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-17 20:17:36,255 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:17:36,255 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:17:36,256 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:17:36,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:17:36,256 INFO L85 PathProgramCache]: Analyzing trace with hash 577311967, now seen corresponding path program 3 times [2025-03-17 20:17:36,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:17:36,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847240585] [2025-03-17 20:17:36,256 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 20:17:36,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:17:36,271 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 12 statements into 6 equivalence classes. [2025-03-17 20:17:36,295 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 20:17:36,298 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-03-17 20:17:36,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 20:17:36,523 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 20:17:36,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 20:17:36,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847240585] [2025-03-17 20:17:36,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847240585] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 20:17:36,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883864424] [2025-03-17 20:17:36,525 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 20:17:36,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 20:17:36,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:17:36,527 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 20:17:36,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 20:17:36,564 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 12 statements into 6 equivalence classes. [2025-03-17 20:17:36,603 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 20:17:36,604 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-03-17 20:17:36,604 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 20:17:36,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-17 20:17:36,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 20:17:36,766 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 20:17:36,766 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 20:17:36,990 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 20:17:36,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883864424] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 20:17:36,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 20:17:36,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 33 [2025-03-17 20:17:36,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235818780] [2025-03-17 20:17:36,990 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 20:17:36,990 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-17 20:17:36,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 20:17:36,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2025-03-17 20:17:36,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=540, Invalid=650, Unknown=0, NotChecked=0, Total=1190 [2025-03-17 20:17:36,992 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. cyclomatic complexity: 4 Second operand has 35 states, 34 states have (on average 1.0588235294117647) internal successors, (36), 34 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:17:37,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 20:17:37,039 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2025-03-17 20:17:37,039 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 29 transitions. [2025-03-17 20:17:37,040 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 26 [2025-03-17 20:17:37,040 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 29 transitions. [2025-03-17 20:17:37,040 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2025-03-17 20:17:37,040 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2025-03-17 20:17:37,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 29 transitions. [2025-03-17 20:17:37,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-17 20:17:37,040 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 29 transitions. [2025-03-17 20:17:37,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 29 transitions. [2025-03-17 20:17:37,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2025-03-17 20:17:37,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 26 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:17:37,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2025-03-17 20:17:37,042 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 29 transitions. [2025-03-17 20:17:37,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-17 20:17:37,044 INFO L432 stractBuchiCegarLoop]: Abstraction has 27 states and 29 transitions. [2025-03-17 20:17:37,044 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-03-17 20:17:37,044 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 29 transitions. [2025-03-17 20:17:37,045 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 26 [2025-03-17 20:17:37,045 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 20:17:37,045 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 20:17:37,045 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-03-17 20:17:37,045 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [22, 1, 1] [2025-03-17 20:17:37,045 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;" [2025-03-17 20:17:37,045 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;" [2025-03-17 20:17:37,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:17:37,046 INFO L85 PathProgramCache]: Analyzing trace with hash 45, now seen corresponding path program 5 times [2025-03-17 20:17:37,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:17:37,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341818950] [2025-03-17 20:17:37,046 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-17 20:17:37,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:17:37,049 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 1 statements into 1 equivalence classes. [2025-03-17 20:17:37,051 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-17 20:17:37,051 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 20:17:37,051 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:17:37,051 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:17:37,052 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-17 20:17:37,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-17 20:17:37,053 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:17:37,053 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:17:37,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:17:37,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:17:37,056 INFO L85 PathProgramCache]: Analyzing trace with hash -398119457, now seen corresponding path program 4 times [2025-03-17 20:17:37,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:17:37,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175583567] [2025-03-17 20:17:37,056 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-17 20:17:37,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:17:37,069 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 24 statements into 2 equivalence classes. [2025-03-17 20:17:37,090 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 24 of 24 statements. [2025-03-17 20:17:37,091 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-17 20:17:37,091 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 20:17:37,662 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 20:17:37,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 20:17:37,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175583567] [2025-03-17 20:17:37,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175583567] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 20:17:37,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231641270] [2025-03-17 20:17:37,663 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-17 20:17:37,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 20:17:37,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:17:37,665 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 20:17:37,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 20:17:37,707 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 24 statements into 2 equivalence classes. [2025-03-17 20:17:37,735 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 24 of 24 statements. [2025-03-17 20:17:37,735 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-17 20:17:37,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 20:17:37,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-03-17 20:17:37,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 20:17:38,120 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 20:17:38,120 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 20:17:38,577 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 20:17:38,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231641270] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 20:17:38,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 20:17:38,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 55 [2025-03-17 20:17:38,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076973947] [2025-03-17 20:17:38,578 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 20:17:38,578 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-17 20:17:38,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 20:17:38,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2025-03-17 20:17:38,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1343, Invalid=1849, Unknown=0, NotChecked=0, Total=3192 [2025-03-17 20:17:38,580 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. cyclomatic complexity: 4 Second operand has 57 states, 56 states have (on average 1.0535714285714286) internal successors, (59), 56 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:17:38,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 20:17:38,639 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2025-03-17 20:17:38,639 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 39 transitions. [2025-03-17 20:17:38,643 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 36 [2025-03-17 20:17:38,643 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 37 states and 39 transitions. [2025-03-17 20:17:38,643 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37 [2025-03-17 20:17:38,643 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2025-03-17 20:17:38,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 39 transitions. [2025-03-17 20:17:38,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-17 20:17:38,643 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 39 transitions. [2025-03-17 20:17:38,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 39 transitions. [2025-03-17 20:17:38,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2025-03-17 20:17:38,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.054054054054054) internal successors, (39), 36 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:17:38,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2025-03-17 20:17:38,645 INFO L240 hiAutomatonCegarLoop]: Abstraction has 37 states and 39 transitions. [2025-03-17 20:17:38,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-03-17 20:17:38,647 INFO L432 stractBuchiCegarLoop]: Abstraction has 37 states and 39 transitions. [2025-03-17 20:17:38,647 INFO L338 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-03-17 20:17:38,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 39 transitions. [2025-03-17 20:17:38,647 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 36 [2025-03-17 20:17:38,647 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 20:17:38,647 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 20:17:38,648 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-03-17 20:17:38,648 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [32, 1, 1] [2025-03-17 20:17:38,648 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret2#1, main_#t~post3#1, main_#t~mem4#1, main_#t~post5#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~buffer~0#1, main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;havoc main_~i~1#1;call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400);havoc main_~buffer~0#1;call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);havoc main_~c~0#1.base, main_~c~0#1.offset;main_~i~1#1 := 0;" [2025-03-17 20:17:38,648 INFO L754 eck$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;" [2025-03-17 20:17:38,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:17:38,648 INFO L85 PathProgramCache]: Analyzing trace with hash 45, now seen corresponding path program 6 times [2025-03-17 20:17:38,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:17:38,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124994849] [2025-03-17 20:17:38,649 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-17 20:17:38,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:17:38,651 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 1 statements into 1 equivalence classes. [2025-03-17 20:17:38,653 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-17 20:17:38,653 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-17 20:17:38,653 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:17:38,653 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:17:38,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-17 20:17:38,656 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-17 20:17:38,656 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:17:38,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:17:38,657 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:17:38,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:17:38,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1723178335, now seen corresponding path program 5 times [2025-03-17 20:17:38,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:17:38,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457259480] [2025-03-17 20:17:38,657 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-17 20:17:38,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:17:38,672 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 34 statements into 17 equivalence classes. [2025-03-17 20:17:38,786 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) and asserted 34 of 34 statements. [2025-03-17 20:17:38,786 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2025-03-17 20:17:38,786 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:17:38,786 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:17:38,790 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-17 20:17:38,810 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-17 20:17:38,811 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:17:38,811 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:17:38,818 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:17:38,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:17:38,818 INFO L85 PathProgramCache]: Analyzing trace with hash 334926475, now seen corresponding path program 1 times [2025-03-17 20:17:38,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:17:38,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819364186] [2025-03-17 20:17:38,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:17:38,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:17:38,845 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-17 20:17:38,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-17 20:17:38,877 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:17:38,877 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:17:38,877 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:17:38,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-17 20:17:38,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-17 20:17:38,919 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:17:38,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:17:38,926 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:19:10,304 WARN L286 SmtUtils]: Spent 1.52m on a formula simplification. DAG size of input: 507 DAG size of output: 319 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2025-03-17 20:19:10,550 INFO L204 LassoAnalysis]: Preferences: [2025-03-17 20:19:10,551 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-17 20:19:10,551 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-17 20:19:10,551 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-17 20:19:10,551 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-17 20:19:10,551 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:19:10,551 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-17 20:19:10,551 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-17 20:19:10,552 INFO L132 ssoRankerPreferences]: Filename of dumped script: ArraysOfVariableLength6.c_Iteration6_Lasso [2025-03-17 20:19:10,552 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-17 20:19:10,552 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-17 20:19:10,566 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:10,570 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:10,572 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:10,573 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:10,575 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:10,576 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:10,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:10,579 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:10,581 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:10,699 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:10,701 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:10,703 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:10,705 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:10,707 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:10,708 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:10,710 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:10,712 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:10,714 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:10,717 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:10,719 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:10,896 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-17 20:19:10,899 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-17 20:19:10,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:19:10,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:19:10,902 INFO L229 MonitoredProcess]: Starting monitored process 6 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) [2025-03-17 20:19:10,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-03-17 20:19:10,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:19:10,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:19:10,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:19:10,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:19:10,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:19:10,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:19:10,926 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:19:10,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:19:10,930 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:19:10,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2025-03-17 20:19:10,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:19:10,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:19:10,972 INFO L229 MonitoredProcess]: Starting monitored process 7 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) [2025-03-17 20:19:10,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-03-17 20:19:10,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:19:10,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:19:10,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:19:10,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:19:10,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:19:10,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:19:10,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:19:10,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:19:10,988 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:19:10,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2025-03-17 20:19:10,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:19:10,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:19:10,996 INFO L229 MonitoredProcess]: Starting monitored process 8 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) [2025-03-17 20:19:10,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-03-17 20:19:11,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:19:11,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:19:11,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:19:11,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:19:11,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:19:11,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:19:11,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:19:11,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:19:11,012 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:19:11,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2025-03-17 20:19:11,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:19:11,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:19:11,021 INFO L229 MonitoredProcess]: Starting monitored process 9 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) [2025-03-17 20:19:11,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-03-17 20:19:11,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:19:11,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:19:11,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:19:11,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:19:11,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:19:11,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:19:11,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:19:11,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:19:11,040 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:19:11,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2025-03-17 20:19:11,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:19:11,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:19:11,048 INFO L229 MonitoredProcess]: Starting monitored process 10 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) [2025-03-17 20:19:11,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-03-17 20:19:11,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:19:11,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:19:11,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:19:11,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:19:11,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:19:11,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:19:11,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:19:11,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:19:11,063 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:19:11,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2025-03-17 20:19:11,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:19:11,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:19:11,071 INFO L229 MonitoredProcess]: Starting monitored process 11 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) [2025-03-17 20:19:11,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-03-17 20:19:11,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:19:11,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:19:11,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:19:11,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:19:11,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:19:11,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:19:11,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:19:11,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:19:11,087 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:19:11,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-03-17 20:19:11,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:19:11,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:19:11,095 INFO L229 MonitoredProcess]: Starting monitored process 12 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) [2025-03-17 20:19:11,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-03-17 20:19:11,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:19:11,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:19:11,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:19:11,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:19:11,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:19:11,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:19:11,110 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:19:11,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:19:11,111 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:19:11,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2025-03-17 20:19:11,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:19:11,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:19:11,120 INFO L229 MonitoredProcess]: Starting monitored process 13 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) [2025-03-17 20:19:11,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-03-17 20:19:11,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:19:11,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:19:11,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:19:11,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:19:11,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:19:11,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:19:11,134 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:19:11,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:19:11,135 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:19:11,141 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2025-03-17 20:19:11,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:19:11,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:19:11,144 INFO L229 MonitoredProcess]: Starting monitored process 14 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) [2025-03-17 20:19:11,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-03-17 20:19:11,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:19:11,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:19:11,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:19:11,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:19:11,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:19:11,166 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-17 20:19:11,166 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-17 20:19:11,172 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-17 20:19:11,195 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2025-03-17 20:19:11,197 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2025-03-17 20:19:11,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:19:11,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:19:11,200 INFO L229 MonitoredProcess]: Starting monitored process 15 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) [2025-03-17 20:19:11,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-03-17 20:19:11,203 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-17 20:19:11,217 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-03-17 20:19:11,218 INFO L474 LassoAnalysis]: Proved termination. [2025-03-17 20:19:11,218 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#b~0#1.base)_1, ULTIMATE.start_main_~i~1#1) = 1*v_rep(select #length ULTIMATE.start_main_~#b~0#1.base)_1 - 4*ULTIMATE.start_main_~i~1#1 Supporting invariants [1*ULTIMATE.start_main_~#b~0#1.offset >= 0] [2025-03-17 20:19:11,225 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2025-03-17 20:19:11,236 INFO L156 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2025-03-17 20:19:11,243 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2025-03-17 20:19:11,244 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2025-03-17 20:19:11,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:19:11,263 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-17 20:19:11,266 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-17 20:19:11,266 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:19:11,266 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 20:19:11,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 20:19:11,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 20:19:11,285 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-17 20:19:11,323 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-17 20:19:11,324 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:19:11,324 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 20:19:11,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 20:19:11,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 20:19:11,590 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2025-03-17 20:19:11,592 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2025-03-17 20:19:11,593 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 39 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:19:11,636 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 39 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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) Result 72 states and 77 transitions. Complement of second has 5 states. [2025-03-17 20:19:11,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-03-17 20:19:11,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:19:11,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2025-03-17 20:19:11,642 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 1 letters. Loop has 34 letters. [2025-03-17 20:19:11,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-17 20:19:11,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 35 letters. Loop has 34 letters. [2025-03-17 20:19:11,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-17 20:19:11,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 1 letters. Loop has 68 letters. [2025-03-17 20:19:11,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-17 20:19:11,645 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 77 transitions. [2025-03-17 20:19:11,646 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2025-03-17 20:19:11,650 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 72 states and 77 transitions. [2025-03-17 20:19:11,650 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2025-03-17 20:19:11,650 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2025-03-17 20:19:11,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 77 transitions. [2025-03-17 20:19:11,650 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-17 20:19:11,650 INFO L218 hiAutomatonCegarLoop]: Abstraction has 72 states and 77 transitions. [2025-03-17 20:19:11,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 77 transitions. [2025-03-17 20:19:11,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 39. [2025-03-17 20:19:11,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 38 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:19:11,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2025-03-17 20:19:11,652 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 44 transitions. [2025-03-17 20:19:11,652 INFO L432 stractBuchiCegarLoop]: Abstraction has 39 states and 44 transitions. [2025-03-17 20:19:11,652 INFO L338 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2025-03-17 20:19:11,652 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 44 transitions. [2025-03-17 20:19:11,652 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2025-03-17 20:19:11,652 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 20:19:11,652 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 20:19:11,653 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-03-17 20:19:11,653 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-03-17 20:19:11,653 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret2#1, main_#t~post3#1, main_#t~mem4#1, main_#t~post5#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~buffer~0#1, main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;havoc main_~i~1#1;call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400);havoc main_~buffer~0#1;call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);havoc main_~c~0#1.base, main_~c~0#1.offset;main_~i~1#1 := 0;" "assume !(main_~i~1#1 % 4294967296 < 32);main_~i~1#1 := 0;" [2025-03-17 20:19:11,653 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~1#1 % 4294967296 < 32;call main_#t~mem4#1 := read~int#1(main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);" "assume !(32 != main_#t~mem4#1);havoc main_#t~mem4#1;main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" [2025-03-17 20:19:11,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:19:11,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1405, now seen corresponding path program 1 times [2025-03-17 20:19:11,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:19:11,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799895430] [2025-03-17 20:19:11,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:19:11,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:19:11,660 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 20:19:11,663 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 20:19:11,663 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:19:11,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 20:19:11,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 20:19:11,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 20:19:11,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799895430] [2025-03-17 20:19:11,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799895430] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 20:19:11,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 20:19:11,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 20:19:11,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417632757] [2025-03-17 20:19:11,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 20:19:11,692 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-03-17 20:19:11,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:19:11,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1248, now seen corresponding path program 1 times [2025-03-17 20:19:11,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:19:11,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182367783] [2025-03-17 20:19:11,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:19:11,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:19:11,696 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 20:19:11,702 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 20:19:11,703 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:19:11,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:19:11,703 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:19:11,704 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 20:19:11,705 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 20:19:11,705 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:19:11,705 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:19:11,706 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:19:11,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 20:19:11,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 20:19:11,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 20:19:11,744 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. cyclomatic complexity: 8 Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:19:11,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 20:19:11,754 INFO L93 Difference]: Finished difference Result 75 states and 80 transitions. [2025-03-17 20:19:11,754 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 80 transitions. [2025-03-17 20:19:11,755 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 4 [2025-03-17 20:19:11,757 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 75 states and 80 transitions. [2025-03-17 20:19:11,758 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2025-03-17 20:19:11,758 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2025-03-17 20:19:11,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 75 states and 80 transitions. [2025-03-17 20:19:11,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-17 20:19:11,758 INFO L218 hiAutomatonCegarLoop]: Abstraction has 75 states and 80 transitions. [2025-03-17 20:19:11,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states and 80 transitions. [2025-03-17 20:19:11,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 39. [2025-03-17 20:19:11,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 38 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:19:11,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2025-03-17 20:19:11,759 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 43 transitions. [2025-03-17 20:19:11,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 20:19:11,761 INFO L432 stractBuchiCegarLoop]: Abstraction has 39 states and 43 transitions. [2025-03-17 20:19:11,762 INFO L338 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2025-03-17 20:19:11,762 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 43 transitions. [2025-03-17 20:19:11,762 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2025-03-17 20:19:11,762 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 20:19:11,762 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 20:19:11,762 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-03-17 20:19:11,764 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-03-17 20:19:11,764 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;" "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;" [2025-03-17 20:19:11,764 INFO L754 eck$LassoCheckResult]: Loop: "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;" [2025-03-17 20:19:11,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:19:11,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1408, now seen corresponding path program 1 times [2025-03-17 20:19:11,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:19:11,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124148257] [2025-03-17 20:19:11,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:19:11,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:19:11,767 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 20:19:11,770 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 20:19:11,770 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:19:11,770 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:19:11,770 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:19:11,771 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 20:19:11,772 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 20:19:11,773 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:19:11,773 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:19:11,774 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:19:11,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:19:11,776 INFO L85 PathProgramCache]: Analyzing trace with hash 43, now seen corresponding path program 1 times [2025-03-17 20:19:11,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:19:11,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973727736] [2025-03-17 20:19:11,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:19:11,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:19:11,778 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-17 20:19:11,780 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-17 20:19:11,780 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:19:11,780 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:19:11,780 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:19:11,781 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-17 20:19:11,784 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-17 20:19:11,784 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:19:11,784 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:19:11,785 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:19:11,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:19:11,786 INFO L85 PathProgramCache]: Analyzing trace with hash 43660, now seen corresponding path program 1 times [2025-03-17 20:19:11,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:19:11,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130048240] [2025-03-17 20:19:11,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:19:11,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:19:11,789 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-17 20:19:11,791 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-17 20:19:11,791 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:19:11,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:19:11,791 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:19:11,792 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-17 20:19:11,793 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-17 20:19:11,793 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:19:11,793 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:19:11,795 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:19:11,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2025-03-17 20:19:11,983 INFO L204 LassoAnalysis]: Preferences: [2025-03-17 20:19:11,983 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-17 20:19:11,983 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-17 20:19:11,983 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-17 20:19:11,983 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-17 20:19:11,983 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:19:11,983 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-17 20:19:11,983 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-17 20:19:11,983 INFO L132 ssoRankerPreferences]: Filename of dumped script: ArraysOfVariableLength6.c_Iteration8_Lasso [2025-03-17 20:19:11,983 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-17 20:19:11,983 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-17 20:19:11,984 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:11,986 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:11,987 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:11,990 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:11,991 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:11,993 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:11,994 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:11,996 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:11,998 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:12,000 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:12,001 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:12,003 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:12,004 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:12,005 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:12,007 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:19:12,313 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-17 20:19:12,313 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-17 20:19:12,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:19:12,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:19:12,315 INFO L229 MonitoredProcess]: Starting monitored process 16 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) [2025-03-17 20:19:12,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-03-17 20:19:12,318 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:19:12,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:19:12,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:19:12,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:19:12,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:19:12,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:19:12,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:19:12,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:19:12,331 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:19:12,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2025-03-17 20:19:12,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:19:12,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:19:12,340 INFO L229 MonitoredProcess]: Starting monitored process 17 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) [2025-03-17 20:19:12,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-03-17 20:19:12,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:19:12,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:19:12,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:19:12,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:19:12,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:19:12,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:19:12,353 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:19:12,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:19:12,355 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:19:12,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2025-03-17 20:19:12,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:19:12,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:19:12,365 INFO L229 MonitoredProcess]: Starting monitored process 18 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) [2025-03-17 20:19:12,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-03-17 20:19:12,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:19:12,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:19:12,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:19:12,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:19:12,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:19:12,381 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-17 20:19:12,381 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-17 20:19:12,385 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:19:12,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2025-03-17 20:19:12,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:19:12,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:19:12,394 INFO L229 MonitoredProcess]: Starting monitored process 19 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) [2025-03-17 20:19:12,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2025-03-17 20:19:12,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:19:12,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:19:12,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:19:12,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:19:12,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:19:12,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:19:12,409 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:19:12,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:19:12,410 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:19:12,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2025-03-17 20:19:12,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:19:12,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:19:12,418 INFO L229 MonitoredProcess]: Starting monitored process 20 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) [2025-03-17 20:19:12,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2025-03-17 20:19:12,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:19:12,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:19:12,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:19:12,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:19:12,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:19:12,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:19:12,432 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:19:12,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:19:12,433 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:19:12,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2025-03-17 20:19:12,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:19:12,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:19:12,441 INFO L229 MonitoredProcess]: Starting monitored process 21 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) [2025-03-17 20:19:12,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2025-03-17 20:19:12,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:19:12,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:19:12,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:19:12,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:19:12,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:19:12,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:19:12,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:19:12,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:19:12,456 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:19:12,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2025-03-17 20:19:12,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:19:12,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:19:12,464 INFO L229 MonitoredProcess]: Starting monitored process 22 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) [2025-03-17 20:19:12,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2025-03-17 20:19:12,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:19:12,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:19:12,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:19:12,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:19:12,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:19:12,480 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-17 20:19:12,480 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-17 20:19:12,483 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:19:12,488 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2025-03-17 20:19:12,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:19:12,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:19:12,491 INFO L229 MonitoredProcess]: Starting monitored process 23 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) [2025-03-17 20:19:12,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2025-03-17 20:19:12,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:19:12,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:19:12,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:19:12,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:19:12,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:19:12,506 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-17 20:19:12,506 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-17 20:19:12,509 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:19:12,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2025-03-17 20:19:12,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:19:12,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:19:12,517 INFO L229 MonitoredProcess]: Starting monitored process 24 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) [2025-03-17 20:19:12,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2025-03-17 20:19:12,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:19:12,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:19:12,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:19:12,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:19:12,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:19:12,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:19:12,531 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:19:12,531 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:19:12,532 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:19:12,539 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2025-03-17 20:19:12,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:19:12,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:19:12,541 INFO L229 MonitoredProcess]: Starting monitored process 25 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) [2025-03-17 20:19:12,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2025-03-17 20:19:12,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:19:12,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:19:12,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:19:12,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:19:12,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:19:12,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:19:12,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:19:12,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:19:12,556 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:19:12,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2025-03-17 20:19:12,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:19:12,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:19:12,566 INFO L229 MonitoredProcess]: Starting monitored process 26 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) [2025-03-17 20:19:12,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2025-03-17 20:19:12,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:19:12,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:19:12,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:19:12,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:19:12,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:19:12,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:19:12,581 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:19:12,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:19:12,582 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:19:12,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2025-03-17 20:19:12,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:19:12,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:19:12,591 INFO L229 MonitoredProcess]: Starting monitored process 27 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) [2025-03-17 20:19:12,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2025-03-17 20:19:12,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:19:12,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:19:12,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:19:12,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:19:12,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:19:12,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:19:12,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:19:12,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:19:12,606 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:19:12,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2025-03-17 20:19:12,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:19:12,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:19:12,614 INFO L229 MonitoredProcess]: Starting monitored process 28 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) [2025-03-17 20:19:12,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2025-03-17 20:19:12,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:19:12,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:19:12,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:19:12,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:19:12,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:19:12,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:19:12,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:19:12,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:19:12,632 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:19:12,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2025-03-17 20:19:12,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:19:12,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:19:12,642 INFO L229 MonitoredProcess]: Starting monitored process 29 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) [2025-03-17 20:19:12,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2025-03-17 20:19:12,644 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:19:12,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:19:12,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:19:12,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:19:12,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:19:12,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:19:12,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:19:12,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:19:12,657 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:19:12,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2025-03-17 20:19:12,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:19:12,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:19:12,666 INFO L229 MonitoredProcess]: Starting monitored process 30 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) [2025-03-17 20:19:12,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2025-03-17 20:19:12,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:19:12,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:19:12,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:19:12,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:19:12,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:19:12,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-17 20:19:12,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-17 20:19:12,687 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:19:12,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2025-03-17 20:19:12,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:19:12,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:19:12,696 INFO L229 MonitoredProcess]: Starting monitored process 31 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) [2025-03-17 20:19:12,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2025-03-17 20:19:12,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:19:12,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:19:12,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:19:12,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:19:12,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:19:12,717 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-17 20:19:12,717 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-17 20:19:12,726 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-17 20:19:12,734 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2025-03-17 20:19:12,735 INFO L444 ModelExtractionUtils]: 9 out of 19 variables were initially zero. Simplification set additionally 7 variables to zero. [2025-03-17 20:19:12,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:19:12,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:19:12,737 INFO L229 MonitoredProcess]: Starting monitored process 32 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) [2025-03-17 20:19:12,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2025-03-17 20:19:12,739 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-17 20:19:12,751 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-03-17 20:19:12,752 INFO L474 LassoAnalysis]: Proved termination. [2025-03-17 20:19:12,752 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_foo_~size#1, ULTIMATE.start_foo_~i~0#1) = 1*ULTIMATE.start_foo_~size#1 - 1*ULTIMATE.start_foo_~i~0#1 Supporting invariants [] [2025-03-17 20:19:12,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2025-03-17 20:19:12,770 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2025-03-17 20:19:12,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:19:12,787 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 20:19:12,792 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 20:19:12,792 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:19:12,792 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 20:19:12,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 20:19:12,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 20:19:12,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-17 20:19:12,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-17 20:19:12,800 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:19:12,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 20:19:12,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 20:19:12,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 20:19:12,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 20:19:12,801 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2025-03-17 20:19:12,801 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 43 transitions. cyclomatic complexity: 7 Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:19:12,810 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 43 transitions. cyclomatic complexity: 7. Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 74 states and 79 transitions. Complement of second has 3 states. [2025-03-17 20:19:12,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2025-03-17 20:19:12,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:19:12,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2025-03-17 20:19:12,813 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 2 letters. Loop has 1 letters. [2025-03-17 20:19:12,813 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-17 20:19:12,813 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 3 letters. Loop has 1 letters. [2025-03-17 20:19:12,813 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-17 20:19:12,813 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 2 letters. Loop has 2 letters. [2025-03-17 20:19:12,813 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-17 20:19:12,813 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 74 states and 79 transitions. [2025-03-17 20:19:12,814 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2025-03-17 20:19:12,814 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 74 states to 72 states and 76 transitions. [2025-03-17 20:19:12,814 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2025-03-17 20:19:12,814 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2025-03-17 20:19:12,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 76 transitions. [2025-03-17 20:19:12,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-17 20:19:12,814 INFO L218 hiAutomatonCegarLoop]: Abstraction has 72 states and 76 transitions. [2025-03-17 20:19:12,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 76 transitions. [2025-03-17 20:19:12,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 39. [2025-03-17 20:19:12,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.0769230769230769) internal successors, (42), 38 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:19:12,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2025-03-17 20:19:12,820 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 42 transitions. [2025-03-17 20:19:12,820 INFO L432 stractBuchiCegarLoop]: Abstraction has 39 states and 42 transitions. [2025-03-17 20:19:12,820 INFO L338 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2025-03-17 20:19:12,820 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 42 transitions. [2025-03-17 20:19:12,821 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2025-03-17 20:19:12,822 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 20:19:12,822 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 20:19:12,822 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [32, 1, 1, 1, 1] [2025-03-17 20:19:12,822 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-03-17 20:19:12,823 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;" "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;" "assume !(main_~i~1#1 % 4294967296 < 32);main_~i~1#1 := 0;" [2025-03-17 20:19:12,823 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~1#1 % 4294967296 < 32;call main_#t~mem4#1 := read~int#1(main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);" "assume !(32 != main_#t~mem4#1);havoc main_#t~mem4#1;main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" [2025-03-17 20:19:12,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:19:12,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1792786143, now seen corresponding path program 1 times [2025-03-17 20:19:12,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:19:12,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071046473] [2025-03-17 20:19:12,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:19:12,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:19:12,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-17 20:19:12,858 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-17 20:19:12,859 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:19:12,859 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 20:19:12,906 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2025-03-17 20:19:13,004 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2025-03-17 20:19:13,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 20:19:13,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071046473] [2025-03-17 20:19:13,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071046473] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 20:19:13,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150761529] [2025-03-17 20:19:13,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:19:13,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 20:19:13,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:19:13,009 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 20:19:13,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-03-17 20:19:13,080 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-17 20:19:13,125 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-17 20:19:13,126 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:19:13,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 20:19:13,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-17 20:19:13,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 20:19:13,202 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2025-03-17 20:19:13,202 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 20:19:13,301 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2025-03-17 20:19:13,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150761529] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 20:19:13,301 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 20:19:13,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 4, 4] total 9 [2025-03-17 20:19:13,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385801797] [2025-03-17 20:19:13,302 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 20:19:13,302 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-03-17 20:19:13,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:19:13,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1248, now seen corresponding path program 2 times [2025-03-17 20:19:13,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:19:13,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160273240] [2025-03-17 20:19:13,302 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 20:19:13,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:19:13,304 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 2 statements into 1 equivalence classes. [2025-03-17 20:19:13,305 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 20:19:13,305 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 20:19:13,305 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:19:13,306 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:19:13,306 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 20:19:13,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 20:19:13,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:19:13,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:19:13,308 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:19:13,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 20:19:13,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 20:19:13,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2025-03-17 20:19:13,355 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. cyclomatic complexity: 6 Second operand has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:19:13,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 20:19:13,422 INFO L93 Difference]: Finished difference Result 150 states and 159 transitions. [2025-03-17 20:19:13,422 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 150 states and 159 transitions. [2025-03-17 20:19:13,424 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 5 [2025-03-17 20:19:13,425 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 150 states to 150 states and 159 transitions. [2025-03-17 20:19:13,425 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2025-03-17 20:19:13,425 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2025-03-17 20:19:13,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 150 states and 159 transitions. [2025-03-17 20:19:13,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-17 20:19:13,425 INFO L218 hiAutomatonCegarLoop]: Abstraction has 150 states and 159 transitions. [2025-03-17 20:19:13,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states and 159 transitions. [2025-03-17 20:19:13,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 141. [2025-03-17 20:19:13,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 141 states have (on average 1.0638297872340425) internal successors, (150), 140 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:19:13,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 150 transitions. [2025-03-17 20:19:13,432 INFO L240 hiAutomatonCegarLoop]: Abstraction has 141 states and 150 transitions. [2025-03-17 20:19:13,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 20:19:13,434 INFO L432 stractBuchiCegarLoop]: Abstraction has 141 states and 150 transitions. [2025-03-17 20:19:13,434 INFO L338 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2025-03-17 20:19:13,434 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states and 150 transitions. [2025-03-17 20:19:13,434 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2025-03-17 20:19:13,434 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 20:19:13,435 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 20:19:13,436 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [32, 2, 1, 1] [2025-03-17 20:19:13,436 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-03-17 20:19:13,436 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;" "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;" "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;" [2025-03-17 20:19:13,437 INFO L754 eck$LassoCheckResult]: Loop: "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;" [2025-03-17 20:19:13,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:19:13,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1792786146, now seen corresponding path program 2 times [2025-03-17 20:19:13,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:19:13,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820145651] [2025-03-17 20:19:13,438 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 20:19:13,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:19:13,451 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 36 statements into 2 equivalence classes. [2025-03-17 20:19:13,491 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-03-17 20:19:13,491 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 20:19:13,491 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:19:13,491 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:19:13,496 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-17 20:19:13,520 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-17 20:19:13,521 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:19:13,521 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:19:13,533 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:19:13,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:19:13,533 INFO L85 PathProgramCache]: Analyzing trace with hash 43, now seen corresponding path program 2 times [2025-03-17 20:19:13,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:19:13,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627006396] [2025-03-17 20:19:13,533 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 20:19:13,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:19:13,537 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 1 statements into 1 equivalence classes. [2025-03-17 20:19:13,538 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-17 20:19:13,539 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 20:19:13,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:19:13,539 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:19:13,540 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-17 20:19:13,541 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-17 20:19:13,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:19:13,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:19:13,542 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:19:13,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:19:13,543 INFO L85 PathProgramCache]: Analyzing trace with hash -258204310, now seen corresponding path program 3 times [2025-03-17 20:19:13,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:19:13,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416701577] [2025-03-17 20:19:13,543 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 20:19:13,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:19:13,558 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 37 statements into 18 equivalence classes. [2025-03-17 20:19:13,649 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 20:19:13,649 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2025-03-17 20:19:13,649 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:19:13,649 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:19:13,655 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-17 20:19:13,688 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 20:19:13,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:19:13,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:19:13,697 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace