./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig1-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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-memory-alloca/Urban-2013WST-Fig1-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 81242885777c4393c04c5476f1b6fd444015153a4c531a694fafb6a2f2b53954 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:06:55,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:06:55,788 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-17 08:06:55,791 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:06:55,791 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:06:55,792 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:06:55,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:06:55,813 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:06:55,813 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:06:55,814 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:06:55,814 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:06:55,815 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:06:55,815 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:06:55,815 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:06:55,816 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:06:55,816 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:06:55,816 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:06:55,817 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:06:55,817 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:06:55,818 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:06:55,818 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:06:55,819 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:06:55,819 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:06:55,819 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:06:55,820 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:06:55,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:06:55,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:06:55,821 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:06:55,821 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:06:55,821 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:06:55,821 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:06:55,822 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:06:55,822 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:06:55,822 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:06:55,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:06:55,823 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:06:55,823 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:06:55,823 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81242885777c4393c04c5476f1b6fd444015153a4c531a694fafb6a2f2b53954 [2024-11-17 08:06:56,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:06:56,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:06:56,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:06:56,106 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:06:56,106 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:06:56,108 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig1-alloca.i [2024-11-17 08:06:57,441 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:06:57,657 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:06:57,657 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig1-alloca.i [2024-11-17 08:06:57,671 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58ca44df2/ac18115077ed4102b145e1d7e23c5548/FLAG02118241c [2024-11-17 08:06:57,686 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58ca44df2/ac18115077ed4102b145e1d7e23c5548 [2024-11-17 08:06:57,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:06:57,689 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:06:57,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:06:57,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:06:57,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:06:57,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:06:57" (1/1) ... [2024-11-17 08:06:57,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a2bf13c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:06:57, skipping insertion in model container [2024-11-17 08:06:57,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:06:57" (1/1) ... [2024-11-17 08:06:57,736 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:06:58,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:06:58,041 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:06:58,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:06:58,117 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:06:58,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:06:58 WrapperNode [2024-11-17 08:06:58,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:06:58,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:06:58,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:06:58,119 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:06:58,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:06:58" (1/1) ... [2024-11-17 08:06:58,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:06:58" (1/1) ... [2024-11-17 08:06:58,153 INFO L138 Inliner]: procedures = 110, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2024-11-17 08:06:58,154 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:06:58,155 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:06:58,155 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:06:58,155 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:06:58,164 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:06:58" (1/1) ... [2024-11-17 08:06:58,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:06:58" (1/1) ... [2024-11-17 08:06:58,167 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:06:58" (1/1) ... [2024-11-17 08:06:58,181 INFO L175 MemorySlicer]: Split 5 memory accesses to 1 slices as follows [5]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-11-17 08:06:58,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:06:58" (1/1) ... [2024-11-17 08:06:58,182 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:06:58" (1/1) ... [2024-11-17 08:06:58,188 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:06:58" (1/1) ... [2024-11-17 08:06:58,189 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:06:58" (1/1) ... [2024-11-17 08:06:58,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:06:58" (1/1) ... [2024-11-17 08:06:58,190 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:06:58" (1/1) ... [2024-11-17 08:06:58,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:06:58,192 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:06:58,195 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:06:58,196 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:06:58,196 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:06:58" (1/1) ... [2024-11-17 08:06:58,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:06:58,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:06:58,227 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) [2024-11-17 08:06:58,230 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 [2024-11-17 08:06:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 08:06:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 08:06:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 08:06:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 08:06:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:06:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:06:58,390 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:06:58,392 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:06:58,482 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-11-17 08:06:58,482 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:06:58,493 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:06:58,494 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:06:58,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:06:58 BoogieIcfgContainer [2024-11-17 08:06:58,496 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:06:58,497 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:06:58,497 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:06:58,501 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:06:58,502 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:06:58,503 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:06:57" (1/3) ... [2024-11-17 08:06:58,504 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34501c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:06:58, skipping insertion in model container [2024-11-17 08:06:58,504 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:06:58,504 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:06:58" (2/3) ... [2024-11-17 08:06:58,505 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34501c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:06:58, skipping insertion in model container [2024-11-17 08:06:58,505 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:06:58,506 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:06:58" (3/3) ... [2024-11-17 08:06:58,508 INFO L332 chiAutomizerObserver]: Analyzing ICFG Urban-2013WST-Fig1-alloca.i [2024-11-17 08:06:58,555 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:06:58,555 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:06:58,556 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:06:58,556 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:06:58,556 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:06:58,556 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:06:58,556 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:06:58,557 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:06:58,561 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:06:58,577 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-17 08:06:58,578 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:06:58,578 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:06:58,582 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-17 08:06:58,583 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-17 08:06:58,583 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:06:58,583 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:06:58,585 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-17 08:06:58,585 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:06:58,585 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:06:58,585 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-17 08:06:58,585 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-17 08:06:58,592 INFO L745 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 4#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~nondet3#1, main_#t~mem4#1, main_#t~mem5#1, main_#t~mem6#1, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;havoc main_#t~nondet3#1;call write~int#0(main_#t~nondet3#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet3#1; 7#L551true [2024-11-17 08:06:58,593 INFO L747 eck$LassoCheckResult]: Loop: 7#L551true assume true;call main_#t~mem4#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4); 6#L551-1true assume !!(main_#t~mem4#1 <= 10);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4); 9#L552true assume main_#t~mem5#1 > 6;havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int#0(2 + main_#t~mem6#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem6#1; 7#L551true [2024-11-17 08:06:58,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:06:58,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1312, now seen corresponding path program 1 times [2024-11-17 08:06:58,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:06:58,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784497502] [2024-11-17 08:06:58,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:06:58,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:06:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:06:58,730 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:06:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:06:58,763 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:06:58,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:06:58,766 INFO L85 PathProgramCache]: Analyzing trace with hash 37698, now seen corresponding path program 1 times [2024-11-17 08:06:58,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:06:58,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128078430] [2024-11-17 08:06:58,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:06:58,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:06:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:06:58,788 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:06:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:06:58,804 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:06:58,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:06:58,807 INFO L85 PathProgramCache]: Analyzing trace with hash 39093699, now seen corresponding path program 1 times [2024-11-17 08:06:58,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:06:58,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328137288] [2024-11-17 08:06:58,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:06:58,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:06:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:06:58,839 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:06:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:06:58,863 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:06:59,177 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:06:59,178 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:06:59,178 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:06:59,178 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:06:59,178 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-17 08:06:59,178 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:06:59,178 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:06:59,178 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:06:59,178 INFO L132 ssoRankerPreferences]: Filename of dumped script: Urban-2013WST-Fig1-alloca.i_Iteration1_Lasso [2024-11-17 08:06:59,178 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:06:59,179 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:06:59,195 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:06:59,340 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:06:59,343 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:06:59,345 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:06:59,348 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:06:59,350 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:06:59,353 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:06:59,356 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:06:59,358 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:06:59,554 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:06:59,558 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-17 08:06:59,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:06:59,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:06:59,562 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) [2024-11-17 08:06:59,564 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 [2024-11-17 08:06:59,565 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 [2024-11-17 08:06:59,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:06:59,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:06:59,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:06:59,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:06:59,584 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:06:59,584 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:06:59,591 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:06:59,607 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 [2024-11-17 08:06:59,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:06:59,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:06:59,610 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) [2024-11-17 08:06:59,613 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 [2024-11-17 08:06:59,614 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 [2024-11-17 08:06:59,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:06:59,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:06:59,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:06:59,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:06:59,633 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:06:59,633 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:06:59,637 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:06:59,655 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 [2024-11-17 08:06:59,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:06:59,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:06:59,658 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) [2024-11-17 08:06:59,663 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 [2024-11-17 08:06:59,664 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 [2024-11-17 08:06:59,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:06:59,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:06:59,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:06:59,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:06:59,681 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:06:59,681 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:06:59,688 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:06:59,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-17 08:06:59,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:06:59,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:06:59,705 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) [2024-11-17 08:06:59,707 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 [2024-11-17 08:06:59,708 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 [2024-11-17 08:06:59,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:06:59,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:06:59,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:06:59,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:06:59,724 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:06:59,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:06:59,730 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:06:59,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-17 08:06:59,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:06:59,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:06:59,748 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) [2024-11-17 08:06:59,750 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 [2024-11-17 08:06:59,751 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 [2024-11-17 08:06:59,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:06:59,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:06:59,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:06:59,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:06:59,771 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:06:59,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:06:59,779 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-17 08:06:59,806 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-17 08:06:59,807 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 4 variables to zero. [2024-11-17 08:06:59,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:06:59,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:06:59,832 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) [2024-11-17 08:06:59,833 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 [2024-11-17 08:06:59,834 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-17 08:06:59,848 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-17 08:06:59,849 INFO L474 LassoAnalysis]: Proved termination. [2024-11-17 08:06:59,849 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x~0#1.base) 0)_1) = -1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x~0#1.base) 0)_1 + 11 Supporting invariants [] [2024-11-17 08:06:59,864 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 [2024-11-17 08:06:59,884 INFO L156 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2024-11-17 08:06:59,895 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-17 08:06:59,896 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-17 08:06:59,896 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x~0!base,]]] [2024-11-17 08:06:59,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:06:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:06:59,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 08:06:59,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:06:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:06:59,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 08:06:59,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:07:00,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:07:00,044 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-17 08:07:00,046 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-17 08:07:00,119 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 [2024-11-17 08:07:00,189 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 26 states and 32 transitions. Complement of second has 12 states. [2024-11-17 08:07:00,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2024-11-17 08:07:00,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-17 08:07:00,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 17 transitions. [2024-11-17 08:07:00,196 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 17 transitions. Stem has 2 letters. Loop has 3 letters. [2024-11-17 08:07:00,196 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:07:00,196 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 17 transitions. Stem has 5 letters. Loop has 3 letters. [2024-11-17 08:07:00,197 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:07:00,197 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 17 transitions. Stem has 2 letters. Loop has 6 letters. [2024-11-17 08:07:00,197 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:07:00,197 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 32 transitions. [2024-11-17 08:07:00,199 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-17 08:07:00,201 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 12 states and 15 transitions. [2024-11-17 08:07:00,202 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-17 08:07:00,202 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-11-17 08:07:00,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2024-11-17 08:07:00,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-17 08:07:00,203 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2024-11-17 08:07:00,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2024-11-17 08:07:00,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 10. [2024-11-17 08:07:00,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:07:00,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2024-11-17 08:07:00,224 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2024-11-17 08:07:00,224 INFO L425 stractBuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2024-11-17 08:07:00,224 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:07:00,224 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2024-11-17 08:07:00,225 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-17 08:07:00,225 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:07:00,225 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:07:00,225 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-17 08:07:00,225 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-17 08:07:00,226 INFO L745 eck$LassoCheckResult]: Stem: 106#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 107#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~nondet3#1, main_#t~mem4#1, main_#t~mem5#1, main_#t~mem6#1, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;havoc main_#t~nondet3#1;call write~int#0(main_#t~nondet3#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet3#1; 108#L551 assume true;call main_#t~mem4#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4); 109#L551-1 [2024-11-17 08:07:00,226 INFO L747 eck$LassoCheckResult]: Loop: 109#L551-1 assume !!(main_#t~mem4#1 <= 10);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4); 110#L552 assume !(main_#t~mem5#1 > 6);havoc main_#t~mem5#1; 113#L551 assume true;call main_#t~mem4#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4); 109#L551-1 [2024-11-17 08:07:00,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:07:00,226 INFO L85 PathProgramCache]: Analyzing trace with hash 40680, now seen corresponding path program 1 times [2024-11-17 08:07:00,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:07:00,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001506712] [2024-11-17 08:07:00,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:07:00,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:07:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:07:00,237 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:07:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:07:00,248 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:07:00,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:07:00,249 INFO L85 PathProgramCache]: Analyzing trace with hash 36619, now seen corresponding path program 1 times [2024-11-17 08:07:00,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:07:00,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053347222] [2024-11-17 08:07:00,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:07:00,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:07:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:07:00,254 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:07:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:07:00,259 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:07:00,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:07:00,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1211904708, now seen corresponding path program 1 times [2024-11-17 08:07:00,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:07:00,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133471772] [2024-11-17 08:07:00,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:07:00,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:07:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:07:00,273 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:07:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:07:00,286 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:07:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:07:00,463 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:07:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:07:00,482 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-11-17 08:07:00,486 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-11-17 08:07:00,487 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-11-17 08:07:00,488 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-11-17 08:07:00,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:07:00 BoogieIcfgContainer [2024-11-17 08:07:00,489 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:07:00,490 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:07:00,490 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:07:00,490 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:07:00,490 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:06:58" (3/4) ... [2024-11-17 08:07:00,492 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:07:00,493 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-11-17 08:07:00,494 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-11-17 08:07:00,529 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:07:00,529 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:07:00,530 INFO L158 Benchmark]: Toolchain (without parser) took 2840.70ms. Allocated memory is still 172.0MB. Free memory was 102.6MB in the beginning and 107.5MB in the end (delta: -4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:07:00,530 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 78.7MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:07:00,531 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.84ms. Allocated memory is still 172.0MB. Free memory was 102.4MB in the beginning and 84.4MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-17 08:07:00,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.94ms. Allocated memory is still 172.0MB. Free memory was 84.4MB in the beginning and 82.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:07:00,532 INFO L158 Benchmark]: Boogie Preprocessor took 36.67ms. Allocated memory is still 172.0MB. Free memory was 82.6MB in the beginning and 81.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:07:00,533 INFO L158 Benchmark]: IcfgBuilder took 303.56ms. Allocated memory is still 172.0MB. Free memory was 81.0MB in the beginning and 139.4MB in the end (delta: -58.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 08:07:00,535 INFO L158 Benchmark]: BuchiAutomizer took 1992.09ms. Allocated memory is still 172.0MB. Free memory was 138.6MB in the beginning and 109.5MB in the end (delta: 29.0MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2024-11-17 08:07:00,535 INFO L158 Benchmark]: Witness Printer took 39.79ms. Allocated memory is still 172.0MB. Free memory was 109.5MB in the beginning and 107.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:07:00,537 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 117.4MB. Free memory was 78.8MB in the beginning and 78.7MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 424.84ms. Allocated memory is still 172.0MB. Free memory was 102.4MB in the beginning and 84.4MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.94ms. Allocated memory is still 172.0MB. Free memory was 84.4MB in the beginning and 82.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.67ms. Allocated memory is still 172.0MB. Free memory was 82.6MB in the beginning and 81.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 303.56ms. Allocated memory is still 172.0MB. Free memory was 81.0MB in the beginning and 139.4MB in the end (delta: -58.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 1992.09ms. Allocated memory is still 172.0MB. Free memory was 138.6MB in the beginning and 109.5MB in the end (delta: 29.0MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. * Witness Printer took 39.79ms. Allocated memory is still 172.0MB. Free memory was 109.5MB in the beginning and 107.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: The program execution was not completely translated back. * 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) and one nonterminating remainder module.One deterministic module has affine ranking function null and consists of 7 locations. The remainder module has 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 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, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 7 mSDtfsCounter, 23 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital99 mio100 ax118 hnf100 lsp84 ukn76 mio100 lsp30 div100 bol100 ite100 ukn100 eq186 hnf93 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 31ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 551]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L549] int* x = __builtin_alloca (sizeof(int)); [L550] *x = __VERIFIER_nondet_int() [L551] \read(*x) Loop: [L551] COND TRUE *x <= 10 [L552] EXPR \read(*x) [L552] COND FALSE !(*x > 6) [L551] \read(*x) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 551]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L549] int* x = __builtin_alloca (sizeof(int)); [L550] *x = __VERIFIER_nondet_int() [L551] \read(*x) Loop: [L551] COND TRUE *x <= 10 [L552] EXPR \read(*x) [L552] COND FALSE !(*x > 6) [L551] \read(*x) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:07:00,572 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)