./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d759988a90bf6714578fc618630dc9d346515dfe23789cba296c3d8ccdbe3f23 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 20:01:59,510 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 20:01:59,566 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-17 20:01:59,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 20:01:59,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 20:01:59,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-17 20:01:59,590 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 20:01:59,590 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 20:01:59,591 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 20:01:59,591 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 20:01:59,592 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 20:01:59,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 20:01:59,592 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 20:01:59,592 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 20:01:59,593 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-17 20:01:59,593 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-17 20:01:59,593 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-17 20:01:59,593 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-17 20:01:59,593 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-17 20:01:59,593 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-17 20:01:59,593 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 20:01:59,593 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-17 20:01:59,593 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 20:01:59,593 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 20:01:59,593 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 20:01:59,593 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 20:01:59,594 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-17 20:01:59,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-17 20:01:59,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-17 20:01:59,594 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 20:01:59,594 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 20:01:59,594 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 20:01:59,594 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-17 20:01:59,594 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 20:01:59,594 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 20:01:59,595 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 20:01:59,595 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 20:01:59,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 20:01:59,595 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 20:01:59,595 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-17 20:01:59,595 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d759988a90bf6714578fc618630dc9d346515dfe23789cba296c3d8ccdbe3f23 [2025-03-17 20:01:59,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 20:01:59,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 20:01:59,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 20:01:59,835 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 20:01:59,836 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 20:01:59,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2025-03-17 20:02:00,975 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99fa93d2b/59d30684f6f84153b15887743e8e3720/FLAG8d3bcb834 [2025-03-17 20:02:01,233 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 20:02:01,235 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2025-03-17 20:02:01,247 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99fa93d2b/59d30684f6f84153b15887743e8e3720/FLAG8d3bcb834 [2025-03-17 20:02:01,530 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99fa93d2b/59d30684f6f84153b15887743e8e3720 [2025-03-17 20:02:01,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 20:02:01,533 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 20:02:01,534 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 20:02:01,534 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 20:02:01,537 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 20:02:01,537 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 08:02:01" (1/1) ... [2025-03-17 20:02:01,538 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5484e937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:02:01, skipping insertion in model container [2025-03-17 20:02:01,538 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 08:02:01" (1/1) ... [2025-03-17 20:02:01,554 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 20:02:01,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 20:02:01,730 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 20:02:01,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 20:02:01,775 INFO L204 MainTranslator]: Completed translation [2025-03-17 20:02:01,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:02:01 WrapperNode [2025-03-17 20:02:01,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 20:02:01,777 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 20:02:01,777 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 20:02:01,777 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 20:02:01,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:02:01" (1/1) ... [2025-03-17 20:02:01,790 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:02:01" (1/1) ... [2025-03-17 20:02:01,805 INFO L138 Inliner]: procedures = 116, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2025-03-17 20:02:01,805 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 20:02:01,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 20:02:01,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 20:02:01,806 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 20:02:01,811 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:02:01" (1/1) ... [2025-03-17 20:02:01,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:02:01" (1/1) ... [2025-03-17 20:02:01,814 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:02:01" (1/1) ... [2025-03-17 20:02:01,821 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 1 writes are split as follows [1]. [2025-03-17 20:02:01,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:02:01" (1/1) ... [2025-03-17 20:02:01,821 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:02:01" (1/1) ... [2025-03-17 20:02:01,823 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:02:01" (1/1) ... [2025-03-17 20:02:01,823 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:02:01" (1/1) ... [2025-03-17 20:02:01,824 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:02:01" (1/1) ... [2025-03-17 20:02:01,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:02:01" (1/1) ... [2025-03-17 20:02:01,825 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 20:02:01,826 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 20:02:01,826 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 20:02:01,826 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 20:02:01,827 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:02:01" (1/1) ... [2025-03-17 20:02:01,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:02:01,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:02:01,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:02:01,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-03-17 20:02:01,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 20:02:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 20:02:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 20:02:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 20:02:01,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 20:02:01,944 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 20:02:01,945 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 20:02:02,039 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L529: call ULTIMATE.dealloc(main_#t~malloc6#1.base, main_#t~malloc6#1.offset);havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; [2025-03-17 20:02:02,050 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2025-03-17 20:02:02,050 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 20:02:02,058 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 20:02:02,058 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 20:02:02,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 08:02:02 BoogieIcfgContainer [2025-03-17 20:02:02,058 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 20:02:02,059 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-17 20:02:02,059 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-17 20:02:02,063 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-17 20:02:02,064 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-17 20:02:02,064 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.03 08:02:01" (1/3) ... [2025-03-17 20:02:02,065 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23cff958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.03 08:02:02, skipping insertion in model container [2025-03-17 20:02:02,065 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-17 20:02:02,065 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:02:01" (2/3) ... [2025-03-17 20:02:02,065 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23cff958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.03 08:02:02, skipping insertion in model container [2025-03-17 20:02:02,065 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-17 20:02:02,065 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 08:02:02" (3/3) ... [2025-03-17 20:02:02,066 INFO L363 chiAutomizerObserver]: Analyzing ICFG openbsd_cbzero-alloca-2.i [2025-03-17 20:02:02,104 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-17 20:02:02,104 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-17 20:02:02,104 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-17 20:02:02,105 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-17 20:02:02,105 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-17 20:02:02,105 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-17 20:02:02,105 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-17 20:02:02,105 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-17 20:02:02,109 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:02:02,120 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-03-17 20:02:02,120 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 20:02:02,120 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 20:02:02,123 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-03-17 20:02:02,123 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-03-17 20:02:02,123 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-17 20:02:02,124 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:02:02,125 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-03-17 20:02:02,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 20:02:02,125 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 20:02:02,126 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-03-17 20:02:02,126 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-03-17 20:02:02,129 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~nondet4#1, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset;havoc main_#t~nondet4#1;main_~length~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~n~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume !(main_~length~0#1 < 1);" "assume main_~n~0#1 < 1;main_~n~0#1 := 1;" "assume !(main_~n~0#1 > main_~length~0#1);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;assume { :begin_inline_cbzero } true;cbzero_#in~b#1.base, cbzero_#in~b#1.offset, cbzero_#in~length#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~n~0#1;havoc cbzero_#t~post2#1, cbzero_#t~post3#1.base, cbzero_#t~post3#1.offset, cbzero_~b#1.base, cbzero_~b#1.offset, cbzero_~length#1, cbzero_~p~0#1.base, cbzero_~p~0#1.offset;cbzero_~b#1.base, cbzero_~b#1.offset := cbzero_#in~b#1.base, cbzero_#in~b#1.offset;cbzero_~length#1 := cbzero_#in~length#1;havoc cbzero_~p~0#1.base, cbzero_~p~0#1.offset;cbzero_~p~0#1.base, cbzero_~p~0#1.offset := cbzero_~b#1.base, cbzero_~b#1.offset;" [2025-03-17 20:02:02,130 INFO L754 eck$LassoCheckResult]: Loop: "assume true;cbzero_#t~post2#1 := cbzero_~length#1;cbzero_~length#1 := cbzero_#t~post2#1 - 1;" "assume 0 != cbzero_#t~post2#1 % 4294967296;havoc cbzero_#t~post2#1;cbzero_#t~post3#1.base, cbzero_#t~post3#1.offset := cbzero_~p~0#1.base, cbzero_~p~0#1.offset;cbzero_~p~0#1.base, cbzero_~p~0#1.offset := cbzero_#t~post3#1.base, 1 + cbzero_#t~post3#1.offset;call write~int#0(0, cbzero_#t~post3#1.base, cbzero_#t~post3#1.offset, 1);" [2025-03-17 20:02:02,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:02:02,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1507327, now seen corresponding path program 1 times [2025-03-17 20:02:02,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:02:02,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703498401] [2025-03-17 20:02:02,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:02:02,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:02:02,193 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-17 20:02:02,207 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-17 20:02:02,208 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:02:02,208 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:02:02,208 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:02:02,210 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-17 20:02:02,219 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-17 20:02:02,220 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:02:02,220 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:02:02,229 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:02:02,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:02:02,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1216, now seen corresponding path program 1 times [2025-03-17 20:02:02,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:02:02,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853182491] [2025-03-17 20:02:02,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:02:02,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:02:02,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 20:02:02,245 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 20:02:02,245 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:02:02,245 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:02:02,245 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:02:02,247 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 20:02:02,254 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 20:02:02,255 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:02:02,255 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:02:02,257 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:02:02,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:02:02,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1448541502, now seen corresponding path program 1 times [2025-03-17 20:02:02,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:02:02,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253999209] [2025-03-17 20:02:02,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:02:02,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:02:02,268 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 20:02:02,291 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 20:02:02,291 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:02:02,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:02:02,291 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:02:02,293 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 20:02:02,301 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 20:02:02,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:02:02,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:02:02,303 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:02:02,633 INFO L204 LassoAnalysis]: Preferences: [2025-03-17 20:02:02,633 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-17 20:02:02,634 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-17 20:02:02,634 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-17 20:02:02,634 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-17 20:02:02,634 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:02:02,634 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-17 20:02:02,634 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-17 20:02:02,634 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cbzero-alloca-2.i_Iteration1_Lasso [2025-03-17 20:02:02,634 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-17 20:02:02,635 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-17 20:02:02,649 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:02:02,655 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:02:02,657 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:02:02,661 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:02:02,664 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:02:02,668 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:02:02,670 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:02:02,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:02:02,681 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:02:02,685 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:02:02,790 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:02:02,792 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:02:02,794 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:02:02,796 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:02:02,798 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:02:02,800 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:02:03,010 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-17 20:02:03,013 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-17 20:02:03,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:02:03,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:02:03,016 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) [2025-03-17 20:02:03,017 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 [2025-03-17 20:02:03,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:02:03,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:02:03,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:02:03,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:02:03,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:02:03,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:02:03,033 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:02:03,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:02:03,035 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:02:03,041 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 [2025-03-17 20:02:03,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:02:03,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:02:03,044 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) [2025-03-17 20:02:03,045 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 [2025-03-17 20:02:03,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:02:03,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:02:03,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:02:03,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:02:03,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:02:03,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:02:03,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:02:03,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:02:03,060 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:02:03,066 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 [2025-03-17 20:02:03,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:02:03,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:02:03,068 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) [2025-03-17 20:02:03,069 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 [2025-03-17 20:02:03,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:02:03,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:02:03,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:02:03,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:02:03,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:02:03,083 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-17 20:02:03,083 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-17 20:02:03,085 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:02:03,091 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 [2025-03-17 20:02:03,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:02:03,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:02:03,092 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) [2025-03-17 20:02:03,094 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 [2025-03-17 20:02:03,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:02:03,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:02:03,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:02:03,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:02:03,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:02:03,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:02:03,105 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:02:03,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:02:03,106 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:02:03,112 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 [2025-03-17 20:02:03,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:02:03,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:02:03,115 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:02:03,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-03-17 20:02:03,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:02:03,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:02:03,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:02:03,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:02:03,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:02:03,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-17 20:02:03,130 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-17 20:02:03,132 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:02:03,138 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 [2025-03-17 20:02:03,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:02:03,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:02:03,140 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:02:03,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-03-17 20:02:03,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:02:03,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:02:03,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:02:03,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:02:03,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:02:03,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:02:03,153 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:02:03,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:02:03,154 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:02:03,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2025-03-17 20:02:03,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:02:03,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:02:03,162 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:02:03,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-03-17 20:02:03,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:02:03,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:02:03,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:02:03,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:02:03,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:02:03,178 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-17 20:02:03,178 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-17 20:02:03,182 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:02:03,188 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 [2025-03-17 20:02:03,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:02:03,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:02:03,190 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:02:03,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-03-17 20:02:03,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:02:03,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:02:03,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:02:03,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:02:03,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:02:03,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:02:03,205 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:02:03,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:02:03,206 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:02:03,212 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 [2025-03-17 20:02:03,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:02:03,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:02:03,214 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:02:03,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-03-17 20:02:03,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:02:03,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:02:03,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:02:03,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:02:03,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:02:03,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:02:03,227 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:02:03,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:02:03,228 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:02:03,233 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2025-03-17 20:02:03,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:02:03,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:02:03,235 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:02:03,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-03-17 20:02:03,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:02:03,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:02:03,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:02:03,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:02:03,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:02:03,255 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-17 20:02:03,256 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-17 20:02:03,261 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:02:03,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-03-17 20:02:03,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:02:03,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:02:03,270 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:02:03,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-03-17 20:02:03,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:02:03,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:02:03,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:02:03,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:02:03,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:02:03,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-17 20:02:03,284 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-17 20:02:03,287 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:02:03,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2025-03-17 20:02:03,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:02:03,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:02:03,295 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:02:03,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-03-17 20:02:03,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:02:03,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:02:03,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:02:03,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:02:03,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:02:03,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-17 20:02:03,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-17 20:02:03,314 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:02:03,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2025-03-17 20:02:03,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:02:03,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:02:03,322 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:02:03,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-03-17 20:02:03,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:02:03,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:02:03,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:02:03,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:02:03,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:02:03,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-17 20:02:03,338 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-17 20:02:03,344 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-17 20:02:03,366 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2025-03-17 20:02:03,368 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2025-03-17 20:02:03,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:02:03,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:02:03,372 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:02:03,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-03-17 20:02:03,374 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-17 20:02:03,384 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-03-17 20:02:03,385 INFO L474 LassoAnalysis]: Proved termination. [2025-03-17 20:02:03,385 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cbzero_~p~0#1.base)_1, ULTIMATE.start_cbzero_~p~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_cbzero_~p~0#1.base)_1 - 1*ULTIMATE.start_cbzero_~p~0#1.offset Supporting invariants [] [2025-03-17 20:02:03,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2025-03-17 20:02:03,401 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2025-03-17 20:02:03,406 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!offset [2025-03-17 20:02:03,407 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2025-03-17 20:02:03,407 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2025-03-17 20:02:03,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:02:03,430 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-17 20:02:03,439 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-17 20:02:03,440 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:02:03,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 20:02:03,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 20:02:03,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 20:02:03,454 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 20:02:03,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 20:02:03,458 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:02:03,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 20:02:03,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 20:02:03,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 20:02:03,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 20:02:03,483 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2025-03-17 20:02:03,484 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:02:03,503 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 24 transitions. Complement of second has 6 states. [2025-03-17 20:02:03,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-03-17 20:02:03,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:02:03,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2025-03-17 20:02:03,512 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 4 letters. Loop has 2 letters. [2025-03-17 20:02:03,513 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-17 20:02:03,514 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 6 letters. Loop has 2 letters. [2025-03-17 20:02:03,514 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-17 20:02:03,514 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 4 letters. Loop has 4 letters. [2025-03-17 20:02:03,514 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-17 20:02:03,515 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2025-03-17 20:02:03,515 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-17 20:02:03,517 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2025-03-17 20:02:03,517 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-03-17 20:02:03,518 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-03-17 20:02:03,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-03-17 20:02:03,519 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-17 20:02:03,519 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 20:02:03,519 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 20:02:03,519 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 20:02:03,519 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-17 20:02:03,519 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-03-17 20:02:03,519 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-17 20:02:03,519 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-03-17 20:02:03,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.03 08:02:03 BoogieIcfgContainer [2025-03-17 20:02:03,524 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-17 20:02:03,524 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 20:02:03,524 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 20:02:03,524 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 20:02:03,525 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 08:02:02" (3/4) ... [2025-03-17 20:02:03,526 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-17 20:02:03,527 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 20:02:03,527 INFO L158 Benchmark]: Toolchain (without parser) took 1994.30ms. Allocated memory is still 167.8MB. Free memory was 132.8MB in the beginning and 88.4MB in the end (delta: 44.4MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2025-03-17 20:02:03,527 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 115.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 20:02:03,527 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.96ms. Allocated memory is still 167.8MB. Free memory was 132.8MB in the beginning and 116.6MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 20:02:03,527 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.26ms. Allocated memory is still 167.8MB. Free memory was 116.6MB in the beginning and 115.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 20:02:03,528 INFO L158 Benchmark]: Boogie Preprocessor took 19.28ms. Allocated memory is still 167.8MB. Free memory was 115.1MB in the beginning and 114.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 20:02:03,528 INFO L158 Benchmark]: IcfgBuilder took 232.87ms. Allocated memory is still 167.8MB. Free memory was 114.0MB in the beginning and 102.4MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 20:02:03,528 INFO L158 Benchmark]: BuchiAutomizer took 1464.40ms. Allocated memory is still 167.8MB. Free memory was 102.4MB in the beginning and 88.5MB in the end (delta: 14.0MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2025-03-17 20:02:03,528 INFO L158 Benchmark]: Witness Printer took 2.56ms. Allocated memory is still 167.8MB. Free memory was 88.5MB in the beginning and 88.4MB in the end (delta: 33.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 20:02:03,529 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 115.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.96ms. Allocated memory is still 167.8MB. Free memory was 132.8MB in the beginning and 116.6MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.26ms. Allocated memory is still 167.8MB. Free memory was 116.6MB in the beginning and 115.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.28ms. Allocated memory is still 167.8MB. Free memory was 115.1MB in the beginning and 114.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 232.87ms. Allocated memory is still 167.8MB. Free memory was 114.0MB in the beginning and 102.4MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1464.40ms. Allocated memory is still 167.8MB. Free memory was 102.4MB in the beginning and 88.5MB in the end (delta: 14.0MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Witness Printer took 2.56ms. Allocated memory is still 167.8MB. Free memory was 88.5MB in the beginning and 88.4MB in the end (delta: 33.1kB). 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: ~p~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. 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, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 12 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital98 mio100 ax118 hnf100 lsp72 ukn84 mio100 lsp46 div157 bol100 ite100 ukn100 eq157 hnf96 smp63 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms VariablesStem: 1 VariablesLoop: 0 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! [2025-03-17 20:02:03,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2025-03-17 20:02:03,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE