./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cf36d0c9351c4c2fb1711d3f7c837e0253db9403415afa1c4469ec7ba9a72414 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 15:42:30,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 15:42:30,807 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2025-03-04 15:42:30,812 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 15:42:30,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 15:42:30,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-04 15:42:30,835 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 15:42:30,835 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 15:42:30,835 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 15:42:30,836 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 15:42:30,836 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 15:42:30,836 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 15:42:30,836 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 15:42:30,836 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 15:42:30,836 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-04 15:42:30,836 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-04 15:42:30,836 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-04 15:42:30,836 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-04 15:42:30,836 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-04 15:42:30,836 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-04 15:42:30,836 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 15:42:30,836 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-04 15:42:30,837 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 15:42:30,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 15:42:30,837 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-04 15:42:30,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-04 15:42:30,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-04 15:42:30,837 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 15:42:30,837 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 15:42:30,837 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-04 15:42:30,837 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 15:42:30,837 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 15:42:30,837 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 15:42:30,837 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 15:42:30,837 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 15:42:30,837 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 15:42:30,839 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-04 15:42:30,840 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf36d0c9351c4c2fb1711d3f7c837e0253db9403415afa1c4469ec7ba9a72414 [2025-03-04 15:42:31,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 15:42:31,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 15:42:31,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 15:42:31,049 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 15:42:31,049 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 15:42:31,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i [2025-03-04 15:42:32,194 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1434c724/26b6941ba62c4b34a902feb7b1886c44/FLAGf06f7b54f [2025-03-04 15:42:32,446 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 15:42:32,446 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i [2025-03-04 15:42:32,457 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1434c724/26b6941ba62c4b34a902feb7b1886c44/FLAGf06f7b54f [2025-03-04 15:42:32,759 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1434c724/26b6941ba62c4b34a902feb7b1886c44 [2025-03-04 15:42:32,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 15:42:32,763 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 15:42:32,764 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 15:42:32,764 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 15:42:32,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 15:42:32,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:42:32" (1/1) ... [2025-03-04 15:42:32,769 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@571d993d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:42:32, skipping insertion in model container [2025-03-04 15:42:32,769 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:42:32" (1/1) ... [2025-03-04 15:42:32,782 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 15:42:32,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 15:42:32,992 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 15:42:33,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 15:42:33,054 INFO L204 MainTranslator]: Completed translation [2025-03-04 15:42:33,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:42:33 WrapperNode [2025-03-04 15:42:33,054 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 15:42:33,055 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 15:42:33,055 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 15:42:33,055 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 15:42:33,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:42:33" (1/1) ... [2025-03-04 15:42:33,065 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:42:33" (1/1) ... [2025-03-04 15:42:33,077 INFO L138 Inliner]: procedures = 152, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57 [2025-03-04 15:42:33,077 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 15:42:33,077 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 15:42:33,078 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 15:42:33,078 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 15:42:33,082 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:42:33" (1/1) ... [2025-03-04 15:42:33,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:42:33" (1/1) ... [2025-03-04 15:42:33,084 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:42:33" (1/1) ... [2025-03-04 15:42:33,096 INFO L175 MemorySlicer]: Split 3 memory accesses to 2 slices as follows [2, 1]. 67 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 2 writes are split as follows [1, 1]. [2025-03-04 15:42:33,096 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:42:33" (1/1) ... [2025-03-04 15:42:33,096 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:42:33" (1/1) ... [2025-03-04 15:42:33,100 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:42:33" (1/1) ... [2025-03-04 15:42:33,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:42:33" (1/1) ... [2025-03-04 15:42:33,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:42:33" (1/1) ... [2025-03-04 15:42:33,105 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:42:33" (1/1) ... [2025-03-04 15:42:33,106 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 15:42:33,107 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 15:42:33,107 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 15:42:33,107 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 15:42:33,107 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:42:33" (1/1) ... [2025-03-04 15:42:33,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:42:33,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:42:33,129 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) [2025-03-04 15:42:33,131 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 [2025-03-04 15:42:33,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 15:42:33,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 15:42:33,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 15:42:33,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 15:42:33,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 15:42:33,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 15:42:33,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 15:42:33,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 15:42:33,195 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 15:42:33,196 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 15:42:33,298 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L382: call ULTIMATE.dealloc(main_#t~malloc210#1.base, main_#t~malloc210#1.offset);havoc main_#t~malloc210#1.base, main_#t~malloc210#1.offset;call ULTIMATE.dealloc(main_#t~malloc211#1.base, main_#t~malloc211#1.offset);havoc main_#t~malloc211#1.base, main_#t~malloc211#1.offset; [2025-03-04 15:42:33,311 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2025-03-04 15:42:33,311 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 15:42:33,318 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 15:42:33,318 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 15:42:33,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:42:33 BoogieIcfgContainer [2025-03-04 15:42:33,318 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 15:42:33,319 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-04 15:42:33,319 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-04 15:42:33,322 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-04 15:42:33,323 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 15:42:33,323 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 04.03 03:42:32" (1/3) ... [2025-03-04 15:42:33,323 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15bb8309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 04.03 03:42:33, skipping insertion in model container [2025-03-04 15:42:33,324 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 15:42:33,324 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:42:33" (2/3) ... [2025-03-04 15:42:33,324 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15bb8309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 04.03 03:42:33, skipping insertion in model container [2025-03-04 15:42:33,324 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 15:42:33,324 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:42:33" (3/3) ... [2025-03-04 15:42:33,324 INFO L363 chiAutomizerObserver]: Analyzing ICFG cstrcpy_reverse_alloca.i [2025-03-04 15:42:33,354 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-04 15:42:33,355 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-04 15:42:33,355 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-04 15:42:33,355 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-04 15:42:33,355 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-04 15:42:33,355 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-04 15:42:33,355 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-04 15:42:33,355 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-04 15:42:33,358 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:42:33,368 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-03-04 15:42:33,368 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 15:42:33,368 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 15:42:33,371 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-03-04 15:42:33,371 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-03-04 15:42:33,371 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-04 15:42:33,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:42:33,372 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-03-04 15:42:33,372 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 15:42:33,372 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 15:42:33,372 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-03-04 15:42:33,372 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-03-04 15:42:33,375 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~nondet208#1, main_#t~nondet209#1, main_#t~malloc210#1.base, main_#t~malloc210#1.offset, main_#t~malloc211#1.base, main_#t~malloc211#1.offset, main_#t~ret212#1.base, main_#t~ret212#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc main_#t~nondet208#1;main_~length1~0#1 := main_#t~nondet208#1;havoc main_#t~nondet208#1;havoc main_#t~nondet209#1;main_~length2~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1;" "assume !(main_~length1~0#1 < 1);" "assume main_~length2~0#1 < 1;main_~length2~0#1 := 1;" "assume !(main_~length1~0#1 < main_~length2~0#1);call main_#t~malloc210#1.base, main_#t~malloc210#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc210#1.base, main_#t~malloc210#1.offset;call main_#t~malloc211#1.base, main_#t~malloc211#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc211#1.base, main_#t~malloc211#1.offset;call write~int#0(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, 1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset + (main_~length1~0#1 - 1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrcpy } true;cstrcpy_#in~s1#1.base, cstrcpy_#in~s1#1.offset, cstrcpy_#in~s2#1.base, cstrcpy_#in~s2#1.offset := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc cstrcpy_#res#1.base, cstrcpy_#res#1.offset;havoc cstrcpy_#t~post205#1.base, cstrcpy_#t~post205#1.offset, cstrcpy_#t~post206#1.base, cstrcpy_#t~post206#1.offset, cstrcpy_#t~mem207#1, cstrcpy_~s1#1.base, cstrcpy_~s1#1.offset, cstrcpy_~s2#1.base, cstrcpy_~s2#1.offset, cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset, cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset;cstrcpy_~s1#1.base, cstrcpy_~s1#1.offset := cstrcpy_#in~s1#1.base, cstrcpy_#in~s1#1.offset;cstrcpy_~s2#1.base, cstrcpy_~s2#1.offset := cstrcpy_#in~s2#1.base, cstrcpy_#in~s2#1.offset;cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset := cstrcpy_~s1#1.base, cstrcpy_~s1#1.offset;cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset := cstrcpy_~s2#1.base, cstrcpy_~s2#1.offset;" [2025-03-04 15:42:33,375 INFO L754 eck$LassoCheckResult]: Loop: "assume true;cstrcpy_#t~post205#1.base, cstrcpy_#t~post205#1.offset := cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset;cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset := cstrcpy_#t~post205#1.base, cstrcpy_#t~post205#1.offset - 1;cstrcpy_#t~post206#1.base, cstrcpy_#t~post206#1.offset := cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset;cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset := cstrcpy_#t~post206#1.base, cstrcpy_#t~post206#1.offset - 1;call cstrcpy_#t~mem207#1 := read~int#0(cstrcpy_#t~post206#1.base, cstrcpy_#t~post206#1.offset, 1);call write~int#1(cstrcpy_#t~mem207#1, cstrcpy_#t~post205#1.base, cstrcpy_#t~post205#1.offset, 1);" "assume 0 != cstrcpy_#t~mem207#1;havoc cstrcpy_#t~post205#1.base, cstrcpy_#t~post205#1.offset;havoc cstrcpy_#t~post206#1.base, cstrcpy_#t~post206#1.offset;havoc cstrcpy_#t~mem207#1;" [2025-03-04 15:42:33,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:42:33,379 INFO L85 PathProgramCache]: Analyzing trace with hash 47683377, now seen corresponding path program 1 times [2025-03-04 15:42:33,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:42:33,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325993556] [2025-03-04 15:42:33,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:42:33,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:42:33,434 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-04 15:42:33,460 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-04 15:42:33,461 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:42:33,461 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:42:33,461 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:42:33,465 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-04 15:42:33,477 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-04 15:42:33,477 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:42:33,478 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:42:33,490 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:42:33,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:42:33,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1215, now seen corresponding path program 1 times [2025-03-04 15:42:33,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:42:33,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94657650] [2025-03-04 15:42:33,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:42:33,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:42:33,498 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:42:33,502 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:42:33,502 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:42:33,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:42:33,502 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:42:33,504 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:42:33,510 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:42:33,511 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:42:33,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:42:33,512 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:42:33,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:42:33,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1420914705, now seen corresponding path program 1 times [2025-03-04 15:42:33,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:42:33,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097710793] [2025-03-04 15:42:33,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:42:33,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:42:33,532 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 15:42:33,555 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 15:42:33,556 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:42:33,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:42:33,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:42:33,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:42:33,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097710793] [2025-03-04 15:42:33,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097710793] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:42:33,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:42:33,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 15:42:33,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362002953] [2025-03-04 15:42:33,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:42:34,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:42:34,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 15:42:34,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 15:42:34,140 INFO L87 Difference]: Start difference. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:42:34,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 15:42:34,200 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2025-03-04 15:42:34,201 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 21 transitions. [2025-03-04 15:42:34,201 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-03-04 15:42:34,204 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 7 states and 8 transitions. [2025-03-04 15:42:34,205 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2025-03-04 15:42:34,205 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2025-03-04 15:42:34,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2025-03-04 15:42:34,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 15:42:34,206 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2025-03-04 15:42:34,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2025-03-04 15:42:34,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2025-03-04 15:42:34,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:42:34,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2025-03-04 15:42:34,220 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2025-03-04 15:42:34,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 15:42:34,223 INFO L432 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2025-03-04 15:42:34,225 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-04 15:42:34,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2025-03-04 15:42:34,225 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-03-04 15:42:34,225 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 15:42:34,225 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 15:42:34,225 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-03-04 15:42:34,225 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-03-04 15:42:34,226 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~nondet208#1, main_#t~nondet209#1, main_#t~malloc210#1.base, main_#t~malloc210#1.offset, main_#t~malloc211#1.base, main_#t~malloc211#1.offset, main_#t~ret212#1.base, main_#t~ret212#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc main_#t~nondet208#1;main_~length1~0#1 := main_#t~nondet208#1;havoc main_#t~nondet208#1;havoc main_#t~nondet209#1;main_~length2~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "assume !(main_~length1~0#1 < main_~length2~0#1);call main_#t~malloc210#1.base, main_#t~malloc210#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc210#1.base, main_#t~malloc210#1.offset;call main_#t~malloc211#1.base, main_#t~malloc211#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc211#1.base, main_#t~malloc211#1.offset;call write~int#0(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, 1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset + (main_~length1~0#1 - 1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrcpy } true;cstrcpy_#in~s1#1.base, cstrcpy_#in~s1#1.offset, cstrcpy_#in~s2#1.base, cstrcpy_#in~s2#1.offset := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc cstrcpy_#res#1.base, cstrcpy_#res#1.offset;havoc cstrcpy_#t~post205#1.base, cstrcpy_#t~post205#1.offset, cstrcpy_#t~post206#1.base, cstrcpy_#t~post206#1.offset, cstrcpy_#t~mem207#1, cstrcpy_~s1#1.base, cstrcpy_~s1#1.offset, cstrcpy_~s2#1.base, cstrcpy_~s2#1.offset, cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset, cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset;cstrcpy_~s1#1.base, cstrcpy_~s1#1.offset := cstrcpy_#in~s1#1.base, cstrcpy_#in~s1#1.offset;cstrcpy_~s2#1.base, cstrcpy_~s2#1.offset := cstrcpy_#in~s2#1.base, cstrcpy_#in~s2#1.offset;cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset := cstrcpy_~s1#1.base, cstrcpy_~s1#1.offset;cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset := cstrcpy_~s2#1.base, cstrcpy_~s2#1.offset;" [2025-03-04 15:42:34,226 INFO L754 eck$LassoCheckResult]: Loop: "assume true;cstrcpy_#t~post205#1.base, cstrcpy_#t~post205#1.offset := cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset;cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset := cstrcpy_#t~post205#1.base, cstrcpy_#t~post205#1.offset - 1;cstrcpy_#t~post206#1.base, cstrcpy_#t~post206#1.offset := cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset;cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset := cstrcpy_#t~post206#1.base, cstrcpy_#t~post206#1.offset - 1;call cstrcpy_#t~mem207#1 := read~int#0(cstrcpy_#t~post206#1.base, cstrcpy_#t~post206#1.offset, 1);call write~int#1(cstrcpy_#t~mem207#1, cstrcpy_#t~post205#1.base, cstrcpy_#t~post205#1.offset, 1);" "assume 0 != cstrcpy_#t~mem207#1;havoc cstrcpy_#t~post205#1.base, cstrcpy_#t~post205#1.offset;havoc cstrcpy_#t~post206#1.base, cstrcpy_#t~post206#1.offset;havoc cstrcpy_#t~mem207#1;" [2025-03-04 15:42:34,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:42:34,226 INFO L85 PathProgramCache]: Analyzing trace with hash 47683408, now seen corresponding path program 1 times [2025-03-04 15:42:34,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:42:34,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439037570] [2025-03-04 15:42:34,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:42:34,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:42:34,232 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-04 15:42:34,236 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-04 15:42:34,236 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:42:34,236 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:42:34,236 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:42:34,238 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-04 15:42:34,240 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-04 15:42:34,240 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:42:34,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:42:34,242 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:42:34,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:42:34,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1215, now seen corresponding path program 2 times [2025-03-04 15:42:34,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:42:34,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078067932] [2025-03-04 15:42:34,243 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:42:34,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:42:34,246 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:42:34,248 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:42:34,248 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 15:42:34,248 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:42:34,248 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:42:34,249 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:42:34,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:42:34,251 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:42:34,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:42:34,252 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:42:34,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:42:34,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1420884914, now seen corresponding path program 1 times [2025-03-04 15:42:34,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:42:34,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241476290] [2025-03-04 15:42:34,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:42:34,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:42:34,260 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 15:42:34,271 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 15:42:34,271 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:42:34,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:42:34,271 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:42:34,276 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 15:42:34,283 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 15:42:34,285 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:42:34,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:42:34,288 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:42:34,702 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:42:34,703 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:42:34,703 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:42:34,703 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:42:34,703 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-04 15:42:34,703 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:42:34,704 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:42:34,704 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:42:34,705 INFO L132 ssoRankerPreferences]: Filename of dumped script: cstrcpy_reverse_alloca.i_Iteration2_Lasso [2025-03-04 15:42:34,705 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:42:34,705 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:42:34,717 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:42:34,723 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:42:34,726 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:42:34,729 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:42:34,732 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:42:34,735 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:42:34,737 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:42:34,739 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:42:34,742 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:42:34,745 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:42:34,747 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:42:34,749 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:42:35,074 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:42:35,076 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:42:35,078 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:42:35,079 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:42:35,081 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:42:35,082 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:42:35,084 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:42:35,086 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:42:35,087 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:42:35,425 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:42:35,429 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-04 15:42:35,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:42:35,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:42:35,432 INFO L229 MonitoredProcess]: Starting monitored process 2 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) [2025-03-04 15:42:35,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-03-04 15:42:35,435 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 [2025-03-04 15:42:35,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:42:35,447 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:42:35,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:42:35,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:42:35,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:42:35,451 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:42:35,452 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:42:35,455 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:42:35,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2025-03-04 15:42:35,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:42:35,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:42:35,464 INFO L229 MonitoredProcess]: Starting monitored process 3 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) [2025-03-04 15:42:35,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-03-04 15:42:35,467 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 [2025-03-04 15:42:35,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:42:35,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:42:35,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:42:35,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:42:35,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:42:35,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:42:35,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:42:35,478 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:42:35,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-03-04 15:42:35,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:42:35,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:42:35,486 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2025-03-04 15:42:35,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-03-04 15:42:35,487 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 [2025-03-04 15:42:35,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:42:35,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:42:35,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:42:35,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:42:35,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:42:35,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:42:35,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:42:35,501 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:42:35,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-03-04 15:42:35,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:42:35,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:42:35,510 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2025-03-04 15:42:35,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-03-04 15:42:35,513 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 [2025-03-04 15:42:35,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:42:35,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:42:35,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:42:35,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:42:35,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:42:35,524 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:42:35,524 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:42:35,526 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:42:35,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2025-03-04 15:42:35,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:42:35,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:42:35,534 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) [2025-03-04 15:42:35,535 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 [2025-03-04 15:42:35,536 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 [2025-03-04 15:42:35,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:42:35,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:42:35,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:42:35,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:42:35,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:42:35,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:42:35,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:42:35,547 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:42:35,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-03-04 15:42:35,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:42:35,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:42:35,554 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) [2025-03-04 15:42:35,555 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 [2025-03-04 15:42:35,556 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 [2025-03-04 15:42:35,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:42:35,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:42:35,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:42:35,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:42:35,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:42:35,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:42:35,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:42:35,568 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:42:35,574 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2025-03-04 15:42:35,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:42:35,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:42:35,577 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) [2025-03-04 15:42:35,577 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 [2025-03-04 15:42:35,578 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 [2025-03-04 15:42:35,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:42:35,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:42:35,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:42:35,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:42:35,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:42:35,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:42:35,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:42:35,590 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:42:35,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2025-03-04 15:42:35,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:42:35,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:42:35,597 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) [2025-03-04 15:42:35,598 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 [2025-03-04 15:42:35,598 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 [2025-03-04 15:42:35,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:42:35,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:42:35,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:42:35,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:42:35,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:42:35,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:42:35,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:42:35,610 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:42:35,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-03-04 15:42:35,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:42:35,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:42:35,621 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) [2025-03-04 15:42:35,623 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 [2025-03-04 15:42:35,624 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 [2025-03-04 15:42:35,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:42:35,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:42:35,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:42:35,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:42:35,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:42:35,635 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:42:35,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:42:35,636 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:42:35,641 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 [2025-03-04 15:42:35,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:42:35,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:42:35,643 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) [2025-03-04 15:42:35,644 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 [2025-03-04 15:42:35,644 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 [2025-03-04 15:42:35,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:42:35,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:42:35,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:42:35,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:42:35,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:42:35,655 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:42:35,655 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:42:35,656 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:42:35,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2025-03-04 15:42:35,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:42:35,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:42:35,663 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) [2025-03-04 15:42:35,664 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 [2025-03-04 15:42:35,665 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 [2025-03-04 15:42:35,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:42:35,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:42:35,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:42:35,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:42:35,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:42:35,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:42:35,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:42:35,676 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:42:35,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-03-04 15:42:35,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:42:35,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:42:35,684 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) [2025-03-04 15:42:35,686 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 [2025-03-04 15:42:35,686 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 [2025-03-04 15:42:35,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:42:35,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:42:35,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:42:35,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:42:35,701 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:42:35,702 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:42:35,707 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:42:35,716 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 [2025-03-04 15:42:35,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:42:35,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:42:35,718 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) [2025-03-04 15:42:35,719 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 [2025-03-04 15:42:35,720 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 [2025-03-04 15:42:35,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:42:35,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:42:35,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:42:35,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:42:35,735 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:42:35,735 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:42:35,741 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:42:35,748 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 [2025-03-04 15:42:35,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:42:35,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:42:35,752 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) [2025-03-04 15:42:35,752 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 [2025-03-04 15:42:35,753 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 [2025-03-04 15:42:35,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:42:35,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:42:35,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:42:35,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:42:35,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:42:35,777 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:42:35,789 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-04 15:42:35,817 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-03-04 15:42:35,818 INFO L444 ModelExtractionUtils]: 4 out of 25 variables were initially zero. Simplification set additionally 18 variables to zero. [2025-03-04 15:42:35,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:42:35,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:42:35,823 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) [2025-03-04 15:42:35,827 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 [2025-03-04 15:42:35,828 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-04 15:42:35,840 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-03-04 15:42:35,840 INFO L474 LassoAnalysis]: Proved termination. [2025-03-04 15:42:35,841 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~dst~0#1.offset) = 2*ULTIMATE.start_cstrcpy_~dst~0#1.offset + 1 Supporting invariants [] [2025-03-04 15:42:35,847 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2025-03-04 15:42:35,884 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2025-03-04 15:42:35,891 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~dst~0!offset [2025-03-04 15:42:35,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:42:35,922 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-04 15:42:35,931 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-04 15:42:35,932 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:42:35,932 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:42:35,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-04 15:42:35,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:42:35,947 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:42:35,952 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:42:35,952 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:42:35,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:42:35,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 15:42:35,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:42:35,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:42:35,974 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-03-04 15:42:35,975 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:42:35,996 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9 states and 10 transitions. Complement of second has 4 states. [2025-03-04 15:42:35,996 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 [2025-03-04 15:42:35,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:42:35,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2025-03-04 15:42:36,000 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 2 letters. [2025-03-04 15:42:36,000 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:42:36,000 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2025-03-04 15:42:36,001 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:42:36,001 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 4 letters. [2025-03-04 15:42:36,001 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:42:36,001 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2025-03-04 15:42:36,001 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-04 15:42:36,001 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2025-03-04 15:42:36,001 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-03-04 15:42:36,001 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-03-04 15:42:36,001 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-03-04 15:42:36,001 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 15:42:36,001 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 15:42:36,001 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 15:42:36,001 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 15:42:36,001 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-03-04 15:42:36,001 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-03-04 15:42:36,001 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-04 15:42:36,001 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-03-04 15:42:36,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 04.03 03:42:36 BoogieIcfgContainer [2025-03-04 15:42:36,009 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-04 15:42:36,010 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 15:42:36,011 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 15:42:36,011 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 15:42:36,011 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:42:33" (3/4) ... [2025-03-04 15:42:36,013 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-04 15:42:36,013 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 15:42:36,014 INFO L158 Benchmark]: Toolchain (without parser) took 3250.10ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 41.2MB in the end (delta: 64.4MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. [2025-03-04 15:42:36,014 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 15:42:36,014 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.37ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 87.7MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 15:42:36,015 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.02ms. Allocated memory is still 142.6MB. Free memory was 87.7MB in the beginning and 86.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 15:42:36,015 INFO L158 Benchmark]: Boogie Preprocessor took 28.85ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 84.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 15:42:36,015 INFO L158 Benchmark]: IcfgBuilder took 211.52ms. Allocated memory is still 142.6MB. Free memory was 84.5MB in the beginning and 71.7MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 15:42:36,017 INFO L158 Benchmark]: BuchiAutomizer took 2691.08ms. Allocated memory is still 142.6MB. Free memory was 71.7MB in the beginning and 42.2MB in the end (delta: 29.5MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2025-03-04 15:42:36,017 INFO L158 Benchmark]: Witness Printer took 2.58ms. Allocated memory is still 142.6MB. Free memory was 42.2MB in the beginning and 41.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 15:42:36,018 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.37ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 87.7MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.02ms. Allocated memory is still 142.6MB. Free memory was 87.7MB in the beginning and 86.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.85ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 84.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 211.52ms. Allocated memory is still 142.6MB. Free memory was 84.5MB in the beginning and 71.7MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2691.08ms. Allocated memory is still 142.6MB. Free memory was 71.7MB in the beginning and 42.2MB in the end (delta: 29.5MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Witness Printer took 2.58ms. Allocated memory is still 142.6MB. Free memory was 42.2MB in the beginning and 41.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~dst~0!offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 35 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 24 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital166 mio100 ax100 hnf100 lsp100 ukn92 mio100 lsp48 div205 bol100 ite100 ukn100 eq157 hnf93 smp65 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 25ms VariablesStem: 2 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-03-04 15:42:36,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2025-03-04 15:42:36,235 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE