./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-recursive-malloc/chunk1-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 023d838f 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-recursive-malloc/chunk1-2.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 6a66369f5c9a0270ee2408adc274f8f50150ff97d329dbc5d86329753dd9abac --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 22:41:38,156 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 22:41:38,221 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-10 22:41:38,225 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 22:41:38,225 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 22:41:38,226 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 22:41:38,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 22:41:38,259 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 22:41:38,261 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 22:41:38,262 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 22:41:38,262 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 22:41:38,263 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 22:41:38,263 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 22:41:38,264 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 22:41:38,265 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 22:41:38,265 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 22:41:38,265 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 22:41:38,267 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 22:41:38,268 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 22:41:38,268 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 22:41:38,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 22:41:38,269 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 22:41:38,269 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 22:41:38,269 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 22:41:38,269 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 22:41:38,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 22:41:38,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 22:41:38,270 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 22:41:38,270 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 22:41:38,270 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 22:41:38,271 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 22:41:38,271 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 22:41:38,271 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 22:41:38,271 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 22:41:38,272 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 22:41:38,272 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 22:41:38,276 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 22:41:38,276 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a66369f5c9a0270ee2408adc274f8f50150ff97d329dbc5d86329753dd9abac [2024-11-10 22:41:38,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 22:41:38,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 22:41:38,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 22:41:38,545 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 22:41:38,545 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 22:41:38,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/chunk1-2.i [2024-11-10 22:41:40,006 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 22:41:40,191 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 22:41:40,191 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/chunk1-2.i [2024-11-10 22:41:40,197 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/105968682/56d0e05e83174c218da6f1e616dd0fe5/FLAG4425b5752 [2024-11-10 22:41:40,574 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/105968682/56d0e05e83174c218da6f1e616dd0fe5 [2024-11-10 22:41:40,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 22:41:40,578 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 22:41:40,579 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 22:41:40,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 22:41:40,586 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 22:41:40,587 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:41:40" (1/1) ... [2024-11-10 22:41:40,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b21026e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:40, skipping insertion in model container [2024-11-10 22:41:40,589 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:41:40" (1/1) ... [2024-11-10 22:41:40,607 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 22:41:40,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:41:40,769 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 22:41:40,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:41:40,794 INFO L204 MainTranslator]: Completed translation [2024-11-10 22:41:40,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:40 WrapperNode [2024-11-10 22:41:40,795 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 22:41:40,796 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 22:41:40,796 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 22:41:40,796 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 22:41:40,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:40" (1/1) ... [2024-11-10 22:41:40,807 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:40" (1/1) ... [2024-11-10 22:41:40,821 INFO L138 Inliner]: procedures = 11, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2024-11-10 22:41:40,821 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 22:41:40,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 22:41:40,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 22:41:40,822 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 22:41:40,830 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:40" (1/1) ... [2024-11-10 22:41:40,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:40" (1/1) ... [2024-11-10 22:41:40,832 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:40" (1/1) ... [2024-11-10 22:41:40,842 INFO L175 MemorySlicer]: Split 6 memory accesses to 1 slices as follows [6]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 3 writes are split as follows [3]. [2024-11-10 22:41:40,842 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:40" (1/1) ... [2024-11-10 22:41:40,842 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:40" (1/1) ... [2024-11-10 22:41:40,849 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:40" (1/1) ... [2024-11-10 22:41:40,850 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:40" (1/1) ... [2024-11-10 22:41:40,850 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:40" (1/1) ... [2024-11-10 22:41:40,851 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:40" (1/1) ... [2024-11-10 22:41:40,854 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 22:41:40,858 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 22:41:40,858 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 22:41:40,858 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 22:41:40,859 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:40" (1/1) ... [2024-11-10 22:41:40,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:40,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:40,898 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) [2024-11-10 22:41:40,905 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 [2024-11-10 22:41:40,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 22:41:40,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 22:41:40,956 INFO L130 BoogieDeclarations]: Found specification of procedure chunk [2024-11-10 22:41:40,956 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk [2024-11-10 22:41:40,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 22:41:40,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 22:41:40,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 22:41:41,026 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 22:41:41,028 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 22:41:41,152 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-10 22:41:41,152 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 22:41:41,163 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 22:41:41,164 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 22:41:41,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:41:41 BoogieIcfgContainer [2024-11-10 22:41:41,164 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 22:41:41,165 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 22:41:41,166 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 22:41:41,172 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 22:41:41,173 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:41:41,173 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 10:41:40" (1/3) ... [2024-11-10 22:41:41,175 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1618e5b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 10:41:41, skipping insertion in model container [2024-11-10 22:41:41,175 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:41:41,175 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:40" (2/3) ... [2024-11-10 22:41:41,177 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1618e5b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 10:41:41, skipping insertion in model container [2024-11-10 22:41:41,177 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:41:41,178 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:41:41" (3/3) ... [2024-11-10 22:41:41,180 INFO L332 chiAutomizerObserver]: Analyzing ICFG chunk1-2.i [2024-11-10 22:41:41,259 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 22:41:41,259 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 22:41:41,259 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 22:41:41,260 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 22:41:41,260 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 22:41:41,260 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 22:41:41,260 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 22:41:41,260 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 22:41:41,264 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 8 states have (on average 1.25) internal successors, (10), 10 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 22:41:41,286 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-10 22:41:41,286 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:41:41,286 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:41:41,293 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-10 22:41:41,293 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-10 22:41:41,293 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 22:41:41,293 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 8 states have (on average 1.25) internal successors, (10), 10 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 22:41:41,295 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-10 22:41:41,295 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:41:41,295 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:41:41,296 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-10 22:41:41,296 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-10 22:41:41,302 INFO L745 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~nondet7#1, main_~data~0#1.base, main_~data~0#1.offset, main_~i~0#1, main_~upper~0#1;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(16);main_~data~0#1.base, main_~data~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~nondet6#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~upper~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 8#L25true assume !(main_~i~0#1 >= main_~upper~0#1);call write~int#0(main_~i~0#1, main_~data~0#1.base, main_~data~0#1.offset, 4);call write~int#0(main_~upper~0#1, main_~data~0#1.base, 12 + main_~data~0#1.offset, 4); 4#L30true call chunk(main_~data~0#1.base, main_~data~0#1.offset);< 12#chunkENTRYtrue [2024-11-10 22:41:41,302 INFO L747 eck$LassoCheckResult]: Loop: 12#chunkENTRYtrue ~data.base, ~data.offset := #in~data.base, #in~data.offset;call #t~mem1 := read~int#0(~data.base, ~data.offset, 4);call #t~mem2 := read~int#0(~data.base, 12 + ~data.offset, 4); 9#L9true assume !(#t~mem1 >= #t~mem2);havoc #t~mem1;havoc #t~mem2;call #t~mem3 := read~int#0(~data.base, ~data.offset, 4);#t~post4 := #t~mem3;call write~int#0(1 + #t~post4, ~data.base, ~data.offset, 4);havoc #t~mem3;havoc #t~post4; 7#L15true call chunk(~data.base, ~data.offset);< 12#chunkENTRYtrue [2024-11-10 22:41:41,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:41:41,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1384262, now seen corresponding path program 1 times [2024-11-10 22:41:41,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:41:41,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220949466] [2024-11-10 22:41:41,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:41:41,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:41:41,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:41:41,430 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:41:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:41:41,461 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:41:41,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:41:41,463 INFO L85 PathProgramCache]: Analyzing trace with hash 34737, now seen corresponding path program 1 times [2024-11-10 22:41:41,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:41:41,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034051733] [2024-11-10 22:41:41,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:41:41,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:41:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:41:41,482 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:41:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:41:41,496 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:41:41,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:41:41,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1711118772, now seen corresponding path program 1 times [2024-11-10 22:41:41,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:41:41,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104627451] [2024-11-10 22:41:41,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:41:41,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:41:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:41:41,537 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:41:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:41:41,558 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:41:42,255 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:41:42,256 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:41:42,257 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:41:42,257 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:41:42,257 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:41:42,257 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:42,258 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:41:42,258 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:41:42,258 INFO L132 ssoRankerPreferences]: Filename of dumped script: chunk1-2.i_Iteration1_Lasso [2024-11-10 22:41:42,258 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:41:42,258 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:41:42,277 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:42,286 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:42,290 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:42,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:42,299 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:42,301 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:42,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:42,309 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:42,312 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:42,720 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:42,723 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:42,726 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:42,729 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:42,732 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:42,735 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:42,738 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:42,740 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:43,109 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:41:43,115 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:41:43,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:43,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:43,118 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) [2024-11-10 22:41:43,121 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 [2024-11-10 22:41:43,123 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 [2024-11-10 22:41:43,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:41:43,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:41:43,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:41:43,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:41:43,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:41:43,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:41:43,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:41:43,140 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:41:43,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-10 22:41:43,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:43,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:43,159 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) [2024-11-10 22:41:43,161 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 [2024-11-10 22:41:43,164 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 [2024-11-10 22:41:43,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:41:43,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:41:43,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:41:43,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:41:43,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:41:43,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:41:43,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:41:43,180 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:41:43,196 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 [2024-11-10 22:41:43,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:43,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:43,198 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) [2024-11-10 22:41:43,202 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 [2024-11-10 22:41:43,202 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 [2024-11-10 22:41:43,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:41:43,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:41:43,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:41:43,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:41:43,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:41:43,216 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:41:43,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:41:43,218 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:41:43,232 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 [2024-11-10 22:41:43,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:43,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:43,234 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) [2024-11-10 22:41:43,237 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 [2024-11-10 22:41:43,240 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 [2024-11-10 22:41:43,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:41:43,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:41:43,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:41:43,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:41:43,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:41:43,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:41:43,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:41:43,254 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:41:43,265 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 [2024-11-10 22:41:43,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:43,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:43,267 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) [2024-11-10 22:41:43,270 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 [2024-11-10 22:41:43,271 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 [2024-11-10 22:41:43,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:41:43,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:41:43,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:41:43,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:41:43,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:41:43,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:41:43,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:41:43,286 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:41:43,300 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-10 22:41:43,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:43,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:43,303 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) [2024-11-10 22:41:43,304 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 [2024-11-10 22:41:43,305 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 [2024-11-10 22:41:43,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:41:43,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:41:43,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:41:43,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:41:43,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:41:43,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:41:43,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:41:43,318 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:41:43,333 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 [2024-11-10 22:41:43,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:43,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:43,335 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) [2024-11-10 22:41:43,336 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 [2024-11-10 22:41:43,337 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 [2024-11-10 22:41:43,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:41:43,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:41:43,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:41:43,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:41:43,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:41:43,351 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:41:43,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:41:43,353 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:41:43,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-10 22:41:43,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:43,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:43,371 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) [2024-11-10 22:41:43,372 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 [2024-11-10 22:41:43,374 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 [2024-11-10 22:41:43,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:41:43,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:41:43,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:41:43,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:41:43,388 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:41:43,388 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:41:43,392 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:41:43,406 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 [2024-11-10 22:41:43,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:43,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:43,409 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) [2024-11-10 22:41:43,410 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 [2024-11-10 22:41:43,411 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 [2024-11-10 22:41:43,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:41:43,424 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-11-10 22:41:43,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:41:43,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:41:43,430 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-11-10 22:41:43,431 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:41:43,437 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:41:43,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-10 22:41:43,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:43,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:43,455 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) [2024-11-10 22:41:43,457 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 [2024-11-10 22:41:43,458 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 [2024-11-10 22:41:43,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:41:43,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:41:43,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:41:43,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:41:43,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:41:43,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:41:43,482 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:41:43,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-10 22:41:43,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:43,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:43,495 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) [2024-11-10 22:41:43,495 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 [2024-11-10 22:41:43,496 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 [2024-11-10 22:41:43,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:41:43,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:41:43,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:41:43,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:41:43,510 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:41:43,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:41:43,515 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:41:43,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-10 22:41:43,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:43,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:43,532 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) [2024-11-10 22:41:43,548 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 [2024-11-10 22:41:43,550 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 [2024-11-10 22:41:43,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:41:43,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:41:43,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:41:43,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:41:43,600 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:41:43,601 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:41:43,617 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:41:43,743 INFO L443 ModelExtractionUtils]: Simplification made 24 calls to the SMT solver. [2024-11-10 22:41:43,744 INFO L444 ModelExtractionUtils]: 7 out of 28 variables were initially zero. Simplification set additionally 14 variables to zero. [2024-11-10 22:41:43,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:43,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:43,764 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) [2024-11-10 22:41:43,765 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 [2024-11-10 22:41:43,766 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:41:43,780 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-10 22:41:43,780 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:41:43,781 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 chunk_#in~data.base) 12)_1, v_rep(select (select old(#memory_int#0) chunk_#in~data.base) 0)_1) = 1*v_rep(select (select #memory_int#0 chunk_#in~data.base) 12)_1 - 1*v_rep(select (select old(#memory_int#0) chunk_#in~data.base) 0)_1 Supporting invariants [-1*v_rep(select (select old(#memory_int#0) chunk_#in~data.base) 0)_1 + 1*v_rep(select (select #memory_int#0 chunk_#in~data.base) chunk_#in~data.offset)_1 >= 0] [2024-11-10 22:41:43,796 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 [2024-11-10 22:41:43,822 INFO L156 tatePredicateManager]: 4 out of 6 supporting invariants were superfluous and have been removed [2024-11-10 22:41:43,834 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-10 22:41:43,835 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-10 22:41:43,835 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[#in~data!base,]]] [2024-11-10 22:41:43,836 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-10 22:41:43,837 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int#0,GLOBAL]] [2024-11-10 22:41:43,837 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int#0,GLOBAL]],[IdentifierExpression[#in~data!base,]]] [2024-11-10 22:41:43,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:41:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:41:43,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 22:41:43,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:41:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:41:43,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-10 22:41:43,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:41:44,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-11-10 22:41:44,047 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 22:41:44,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 27 [2024-11-10 22:41:44,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:41:44,102 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2024-11-10 22:41:44,104 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 8 states have (on average 1.25) internal successors, (10), 10 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:41:44,255 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 8 states have (on average 1.25) internal successors, (10), 10 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 34 transitions. Complement of second has 17 states. [2024-11-10 22:41:44,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-10 22:41:44,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:41:44,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 12 transitions. [2024-11-10 22:41:44,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 4 letters. Loop has 3 letters. [2024-11-10 22:41:44,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:41:44,265 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2024-11-10 22:41:44,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:41:44,265 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2024-11-10 22:41:44,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:41:44,266 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 34 transitions. [2024-11-10 22:41:44,268 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-10 22:41:44,270 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 0 states and 0 transitions. [2024-11-10 22:41:44,271 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-10 22:41:44,271 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-10 22:41:44,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-10 22:41:44,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 22:41:44,271 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 22:41:44,272 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 22:41:44,272 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 22:41:44,272 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 22:41:44,272 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-10 22:41:44,272 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-10 22:41:44,272 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-10 22:41:44,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 10:41:44 BoogieIcfgContainer [2024-11-10 22:41:44,278 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 22:41:44,278 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 22:41:44,278 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 22:41:44,279 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 22:41:44,279 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:41:41" (3/4) ... [2024-11-10 22:41:44,282 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 22:41:44,283 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 22:41:44,284 INFO L158 Benchmark]: Toolchain (without parser) took 3705.68ms. Allocated memory was 172.0MB in the beginning and 249.6MB in the end (delta: 77.6MB). Free memory was 114.4MB in the beginning and 170.3MB in the end (delta: -55.9MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-11-10 22:41:44,284 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 172.0MB. Free memory is still 134.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:41:44,284 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.90ms. Allocated memory is still 172.0MB. Free memory was 114.4MB in the beginning and 103.1MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 22:41:44,285 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.55ms. Allocated memory is still 172.0MB. Free memory was 103.1MB in the beginning and 101.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:41:44,286 INFO L158 Benchmark]: Boogie Preprocessor took 31.85ms. Allocated memory is still 172.0MB. Free memory was 101.7MB in the beginning and 99.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 22:41:44,289 INFO L158 Benchmark]: IcfgBuilder took 306.85ms. Allocated memory is still 172.0MB. Free memory was 99.7MB in the beginning and 89.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-10 22:41:44,289 INFO L158 Benchmark]: BuchiAutomizer took 3112.34ms. Allocated memory was 172.0MB in the beginning and 249.6MB in the end (delta: 77.6MB). Free memory was 89.1MB in the beginning and 171.3MB in the end (delta: -82.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:41:44,289 INFO L158 Benchmark]: Witness Printer took 4.83ms. Allocated memory is still 249.6MB. Free memory was 171.3MB in the beginning and 170.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:41:44,293 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 172.0MB. Free memory is still 134.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.90ms. Allocated memory is still 172.0MB. Free memory was 114.4MB in the beginning and 103.1MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.55ms. Allocated memory is still 172.0MB. Free memory was 103.1MB in the beginning and 101.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.85ms. Allocated memory is still 172.0MB. Free memory was 101.7MB in the beginning and 99.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 306.85ms. Allocated memory is still 172.0MB. Free memory was 99.7MB in the beginning and 89.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3112.34ms. Allocated memory was 172.0MB in the beginning and 249.6MB in the end (delta: 77.6MB). Free memory was 89.1MB in the beginning and 171.3MB in the end (delta: -82.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.83ms. Allocated memory is still 249.6MB. Free memory was 171.3MB in the beginning and 170.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #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[#in~data!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int#0,GLOBAL]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int#0,GLOBAL]],[IdentifierExpression[#in~data!base,]]] * 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 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 8 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital133 mio100 ax100 hnf100 lsp100 ukn85 mio100 lsp57 div100 bol100 ite100 ukn100 eq212 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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! [2024-11-10 22:41:44,321 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 [2024-11-10 22:41:44,521 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