./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c7c6ca5d 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/rec_malloc_ex2.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 b91dcc12f43fdd03af0529f07bf7885945925554291ddde3b9ca40d8f32b93c1 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 15:28:27,620 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 15:28:27,707 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-09 15:28:27,713 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 15:28:27,714 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 15:28:27,741 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 15:28:27,742 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 15:28:27,742 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 15:28:27,743 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 15:28:27,743 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 15:28:27,744 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 15:28:27,745 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 15:28:27,746 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 15:28:27,747 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-09 15:28:27,749 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-09 15:28:27,750 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-09 15:28:27,750 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-09 15:28:27,750 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-09 15:28:27,750 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-09 15:28:27,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 15:28:27,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-09 15:28:27,752 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 15:28:27,752 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 15:28:27,752 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-09 15:28:27,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-09 15:28:27,755 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-09 15:28:27,755 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 15:28:27,755 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 15:28:27,756 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 15:28:27,756 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-09 15:28:27,756 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 15:28:27,756 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 15:28:27,757 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 15:28:27,757 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 15:28:27,757 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 15:28:27,758 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-09 15:28:27,759 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b91dcc12f43fdd03af0529f07bf7885945925554291ddde3b9ca40d8f32b93c1 [2024-11-09 15:28:28,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 15:28:28,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 15:28:28,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 15:28:28,050 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 15:28:28,051 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 15:28:28,052 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex2.i [2024-11-09 15:28:29,477 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 15:28:29,662 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 15:28:29,664 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex2.i [2024-11-09 15:28:29,671 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2daa7cce/1887908d9e2c44a9a087699db585f13d/FLAG1a6fb167f [2024-11-09 15:28:29,686 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2daa7cce/1887908d9e2c44a9a087699db585f13d [2024-11-09 15:28:29,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 15:28:29,689 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 15:28:29,691 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 15:28:29,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 15:28:29,695 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 15:28:29,696 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:28:29" (1/1) ... [2024-11-09 15:28:29,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@775266f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:28:29, skipping insertion in model container [2024-11-09 15:28:29,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:28:29" (1/1) ... [2024-11-09 15:28:29,713 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 15:28:29,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:28:29,894 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 15:28:29,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:28:29,918 INFO L204 MainTranslator]: Completed translation [2024-11-09 15:28:29,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:28:29 WrapperNode [2024-11-09 15:28:29,918 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 15:28:29,919 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 15:28:29,919 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 15:28:29,919 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 15:28:29,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:28:29" (1/1) ... [2024-11-09 15:28:29,932 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:28:29" (1/1) ... [2024-11-09 15:28:29,946 INFO L138 Inliner]: procedures = 11, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-11-09 15:28:29,946 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 15:28:29,947 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 15:28:29,947 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 15:28:29,948 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 15:28:29,956 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:28:29" (1/1) ... [2024-11-09 15:28:29,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:28:29" (1/1) ... [2024-11-09 15:28:29,958 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:28:29" (1/1) ... [2024-11-09 15:28:29,977 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [5, 5]. 50 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 4 writes are split as follows [2, 2]. [2024-11-09 15:28:29,977 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:28:29" (1/1) ... [2024-11-09 15:28:29,977 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:28:29" (1/1) ... [2024-11-09 15:28:29,983 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:28:29" (1/1) ... [2024-11-09 15:28:29,987 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:28:29" (1/1) ... [2024-11-09 15:28:29,988 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:28:29" (1/1) ... [2024-11-09 15:28:29,988 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:28:29" (1/1) ... [2024-11-09 15:28:29,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 15:28:29,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 15:28:29,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 15:28:29,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 15:28:29,992 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:28:29" (1/1) ... [2024-11-09 15:28:29,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:30,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:30,019 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) [2024-11-09 15:28:30,021 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 [2024-11-09 15:28:30,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 15:28:30,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 15:28:30,060 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2024-11-09 15:28:30,060 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2024-11-09 15:28:30,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 15:28:30,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 15:28:30,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 15:28:30,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 15:28:30,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 15:28:30,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 15:28:30,125 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 15:28:30,126 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 15:28:30,261 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-09 15:28:30,261 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 15:28:30,277 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 15:28:30,277 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 15:28:30,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:28:30 BoogieIcfgContainer [2024-11-09 15:28:30,278 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 15:28:30,280 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-09 15:28:30,281 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-09 15:28:30,284 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-09 15:28:30,285 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:28:30,285 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 03:28:29" (1/3) ... [2024-11-09 15:28:30,286 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1960691a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 03:28:30, skipping insertion in model container [2024-11-09 15:28:30,287 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:28:30,287 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:28:29" (2/3) ... [2024-11-09 15:28:30,287 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1960691a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 03:28:30, skipping insertion in model container [2024-11-09 15:28:30,287 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:28:30,287 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:28:30" (3/3) ... [2024-11-09 15:28:30,288 INFO L332 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex2.i [2024-11-09 15:28:30,338 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-09 15:28:30,338 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-09 15:28:30,338 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-09 15:28:30,338 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-09 15:28:30,338 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-09 15:28:30,338 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-09 15:28:30,338 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-09 15:28:30,339 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-09 15:28:30,342 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 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) [2024-11-09 15:28:30,357 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2024-11-09 15:28:30,358 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:28:30,358 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:28:30,364 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-09 15:28:30,364 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:28:30,364 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-09 15:28:30,364 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 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) [2024-11-09 15:28:30,368 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2024-11-09 15:28:30,368 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:28:30,368 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:28:30,368 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-09 15:28:30,369 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:28:30,375 INFO L745 eck$LassoCheckResult]: Stem: 9#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~mem9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~ip~0#1.base, main_~ip~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~nondet8#1; 10#L23-3true [2024-11-09 15:28:30,376 INFO L747 eck$LassoCheckResult]: Loop: 10#L23-3true call main_#t~mem9#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 7#L23-1true assume !!(main_#t~mem9#1 > 1);havoc main_#t~mem9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int#1(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 5#L26true call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);< 11#$Ultimate##0true ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4); 8#L9true assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int#1(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);call ULTIMATE.dealloc(~up.base, ~up.offset);#res := ~pv~0; 14#recFINALtrue assume true; 12#recEXITtrue >#31#return; 3#L26-1true call write~int#0(main_#t~mem13#1 + main_#t~ret12#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_~op~0#1.base, main_~op~0#1.offset;havoc main_#t~mem13#1;havoc main_#t~ret12#1; 10#L23-3true [2024-11-09 15:28:30,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:28:30,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2024-11-09 15:28:30,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:28:30,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724716646] [2024-11-09 15:28:30,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:28:30,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:28:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:28:30,498 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:28:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:28:30,533 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:28:30,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:28:30,536 INFO L85 PathProgramCache]: Analyzing trace with hash -5927165, now seen corresponding path program 1 times [2024-11-09 15:28:30,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:28:30,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755187549] [2024-11-09 15:28:30,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:28:30,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:28:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:28:31,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 15:28:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:28:31,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:28:31,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:28:31,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755187549] [2024-11-09 15:28:31,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755187549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:28:31,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:28:31,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 15:28:31,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559919890] [2024-11-09 15:28:31,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:28:31,183 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-09 15:28:31,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:28:31,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 15:28:31,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 15:28:31,213 INFO L87 Difference]: Start difference. First operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 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 7 states, 6 states have (on average 1.0) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 15:28:31,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:28:31,326 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2024-11-09 15:28:31,327 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 19 transitions. [2024-11-09 15:28:31,331 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2024-11-09 15:28:31,338 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 14 states and 16 transitions. [2024-11-09 15:28:31,339 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-11-09 15:28:31,339 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-11-09 15:28:31,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 16 transitions. [2024-11-09 15:28:31,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:28:31,341 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 16 transitions. [2024-11-09 15:28:31,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 16 transitions. [2024-11-09 15:28:31,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-09 15:28:31,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 15:28:31,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2024-11-09 15:28:31,369 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 16 transitions. [2024-11-09 15:28:31,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 15:28:31,374 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2024-11-09 15:28:31,374 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-09 15:28:31,375 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 16 transitions. [2024-11-09 15:28:31,376 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2024-11-09 15:28:31,376 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:28:31,376 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:28:31,377 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-09 15:28:31,377 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:28:31,378 INFO L745 eck$LassoCheckResult]: Stem: 58#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 59#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~mem9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~ip~0#1.base, main_~ip~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~nondet8#1; 56#L23-3 [2024-11-09 15:28:31,378 INFO L747 eck$LassoCheckResult]: Loop: 56#L23-3 call main_#t~mem9#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 60#L23-1 assume !!(main_#t~mem9#1 > 1);havoc main_#t~mem9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int#1(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 52#L26 call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);< 57#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4); 51#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 53#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 57#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4); 51#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int#1(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);call ULTIMATE.dealloc(~up.base, ~up.offset);#res := ~pv~0; 54#recFINAL assume true; 61#recEXIT >#29#return; 62#L17-1 #res := #t~ret6;havoc #t~ret6; 63#recFINAL assume true; 64#recEXIT >#31#return; 55#L26-1 call write~int#0(main_#t~mem13#1 + main_#t~ret12#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_~op~0#1.base, main_~op~0#1.offset;havoc main_#t~mem13#1;havoc main_#t~ret12#1; 56#L23-3 [2024-11-09 15:28:31,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:28:31,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 2 times [2024-11-09 15:28:31,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:28:31,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498884585] [2024-11-09 15:28:31,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:28:31,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:28:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:28:31,394 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:28:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:28:31,399 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:28:31,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:28:31,400 INFO L85 PathProgramCache]: Analyzing trace with hash -741726607, now seen corresponding path program 1 times [2024-11-09 15:28:31,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:28:31,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399180308] [2024-11-09 15:28:31,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:28:31,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:28:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:28:31,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 15:28:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:28:31,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 15:28:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:28:32,034 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 15:28:32,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:28:32,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399180308] [2024-11-09 15:28:32,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399180308] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 15:28:32,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006981019] [2024-11-09 15:28:32,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:28:32,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:28:32,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:32,039 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 15:28:32,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 15:28:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:28:32,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-09 15:28:32,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:28:32,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 15:28:32,218 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 19 treesize of output 11 [2024-11-09 15:28:32,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 15:28:32,462 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 15:28:32,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:28:32,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006981019] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 15:28:32,925 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 15:28:32,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 10] total 24 [2024-11-09 15:28:32,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725782870] [2024-11-09 15:28:32,926 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 15:28:32,926 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-09 15:28:32,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:28:32,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-09 15:28:32,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=503, Unknown=0, NotChecked=0, Total=600 [2024-11-09 15:28:32,928 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. cyclomatic complexity: 4 Second operand has 25 states, 19 states have (on average 1.368421052631579) internal successors, (26), 20 states have internal predecessors, (26), 6 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 15:28:33,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:28:33,155 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2024-11-09 15:28:33,155 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 19 transitions. [2024-11-09 15:28:33,156 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2024-11-09 15:28:33,157 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 19 transitions. [2024-11-09 15:28:33,157 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-11-09 15:28:33,157 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-11-09 15:28:33,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 19 transitions. [2024-11-09 15:28:33,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:28:33,158 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-11-09 15:28:33,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 19 transitions. [2024-11-09 15:28:33,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-09 15:28:33,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 15:28:33,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2024-11-09 15:28:33,163 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-11-09 15:28:33,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 15:28:33,164 INFO L425 stractBuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-11-09 15:28:33,165 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-09 15:28:33,165 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 19 transitions. [2024-11-09 15:28:33,165 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2024-11-09 15:28:33,166 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:28:33,166 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:28:33,167 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-09 15:28:33,167 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 15:28:33,167 INFO L745 eck$LassoCheckResult]: Stem: 217#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 218#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~mem9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~ip~0#1.base, main_~ip~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~nondet8#1; 215#L23-3 [2024-11-09 15:28:33,167 INFO L747 eck$LassoCheckResult]: Loop: 215#L23-3 call main_#t~mem9#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 219#L23-1 assume !!(main_#t~mem9#1 > 1);havoc main_#t~mem9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int#1(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 211#L26 call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);< 216#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4); 210#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 212#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 216#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4); 210#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 212#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 216#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4); 210#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int#1(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);call ULTIMATE.dealloc(~up.base, ~up.offset);#res := ~pv~0; 213#recFINAL assume true; 220#recEXIT >#29#return; 221#L17-1 #res := #t~ret6;havoc #t~ret6; 222#recFINAL assume true; 226#recEXIT >#29#return; 224#L17-1 #res := #t~ret6;havoc #t~ret6; 225#recFINAL assume true; 223#recEXIT >#31#return; 214#L26-1 call write~int#0(main_#t~mem13#1 + main_#t~ret12#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_~op~0#1.base, main_~op~0#1.offset;havoc main_#t~mem13#1;havoc main_#t~ret12#1; 215#L23-3 [2024-11-09 15:28:33,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:28:33,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 3 times [2024-11-09 15:28:33,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:28:33,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091371604] [2024-11-09 15:28:33,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:28:33,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:28:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:28:33,178 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:28:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:28:33,186 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:28:33,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:28:33,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1620168125, now seen corresponding path program 2 times [2024-11-09 15:28:33,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:28:33,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103843636] [2024-11-09 15:28:33,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:28:33,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:28:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:28:33,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 15:28:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:28:33,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 15:28:33,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:28:33,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 15:28:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:28:34,001 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 15:28:34,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:28:34,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103843636] [2024-11-09 15:28:34,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103843636] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 15:28:34,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016765586] [2024-11-09 15:28:34,003 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 15:28:34,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:28:34,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:34,022 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 15:28:34,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 15:28:34,098 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 15:28:34,099 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 15:28:34,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-09 15:28:34,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:28:34,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 15:28:34,135 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 19 treesize of output 11 [2024-11-09 15:28:34,542 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 15:28:34,542 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 15:28:34,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016765586] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 15:28:34,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 15:28:34,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12] total 20 [2024-11-09 15:28:34,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876160193] [2024-11-09 15:28:34,784 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 15:28:34,784 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-09 15:28:34,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:28:34,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-09 15:28:34,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2024-11-09 15:28:34,785 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. cyclomatic complexity: 4 Second operand has 21 states, 16 states have (on average 1.5) internal successors, (24), 18 states have internal predecessors, (24), 5 states have call successors, (5), 2 states have call predecessors, (5), 6 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-09 15:28:34,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:28:34,981 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2024-11-09 15:28:34,982 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 22 transitions. [2024-11-09 15:28:34,983 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2024-11-09 15:28:34,984 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 22 transitions. [2024-11-09 15:28:34,984 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2024-11-09 15:28:34,984 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-11-09 15:28:34,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 22 transitions. [2024-11-09 15:28:34,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:28:34,985 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 22 transitions. [2024-11-09 15:28:34,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 22 transitions. [2024-11-09 15:28:34,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-11-09 15:28:34,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 15:28:34,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2024-11-09 15:28:34,987 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 22 transitions. [2024-11-09 15:28:34,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 15:28:34,988 INFO L425 stractBuchiCegarLoop]: Abstraction has 20 states and 22 transitions. [2024-11-09 15:28:34,988 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-09 15:28:34,988 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 22 transitions. [2024-11-09 15:28:34,989 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2024-11-09 15:28:34,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:28:34,989 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:28:34,990 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-09 15:28:34,990 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2024-11-09 15:28:34,990 INFO L745 eck$LassoCheckResult]: Stem: 380#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 381#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~mem9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~ip~0#1.base, main_~ip~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~nondet8#1; 378#L23-3 [2024-11-09 15:28:34,990 INFO L747 eck$LassoCheckResult]: Loop: 378#L23-3 call main_#t~mem9#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 382#L23-1 assume !!(main_#t~mem9#1 > 1);havoc main_#t~mem9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int#1(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 374#L26 call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);< 379#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4); 373#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 375#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 379#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4); 373#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 375#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 379#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4); 373#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 375#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 379#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4); 373#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int#1(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);call ULTIMATE.dealloc(~up.base, ~up.offset);#res := ~pv~0; 376#recFINAL assume true; 383#recEXIT >#29#return; 384#L17-1 #res := #t~ret6;havoc #t~ret6; 385#recFINAL assume true; 392#recEXIT >#29#return; 391#L17-1 #res := #t~ret6;havoc #t~ret6; 390#recFINAL assume true; 389#recEXIT >#29#return; 387#L17-1 #res := #t~ret6;havoc #t~ret6; 388#recFINAL assume true; 386#recEXIT >#31#return; 377#L26-1 call write~int#0(main_#t~mem13#1 + main_#t~ret12#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_~op~0#1.base, main_~op~0#1.offset;havoc main_#t~mem13#1;havoc main_#t~ret12#1; 378#L23-3 [2024-11-09 15:28:34,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:28:34,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 4 times [2024-11-09 15:28:34,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:28:34,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273859380] [2024-11-09 15:28:34,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:28:34,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:28:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:28:34,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:28:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:28:35,000 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:28:35,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:28:35,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1930575665, now seen corresponding path program 3 times [2024-11-09 15:28:35,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:28:35,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248651924] [2024-11-09 15:28:35,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:28:35,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:28:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:28:35,023 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:28:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:28:35,052 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:28:35,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:28:35,054 INFO L85 PathProgramCache]: Analyzing trace with hash 650376563, now seen corresponding path program 1 times [2024-11-09 15:28:35,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:28:35,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557895256] [2024-11-09 15:28:35,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:28:35,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:28:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:28:35,075 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:28:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:28:35,098 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:28:37,817 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:28:37,818 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:28:37,818 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:28:37,818 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:28:37,819 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:28:37,819 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:37,819 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:28:37,819 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:28:37,819 INFO L132 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex2.i_Iteration4_Lasso [2024-11-09 15:28:37,819 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:28:37,819 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:28:37,832 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:37,839 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:37,841 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:37,843 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:37,845 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:37,847 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:38,008 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:38,011 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:38,012 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:38,015 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:38,017 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:38,019 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:38,021 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:38,535 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:28:38,540 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:28:38,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:38,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:38,545 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) [2024-11-09 15:28:38,548 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 [2024-11-09 15:28:38,549 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 [2024-11-09 15:28:38,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:38,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:38,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:38,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:38,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:38,569 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:38,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:38,575 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:38,590 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 [2024-11-09 15:28:38,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:38,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:38,594 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) [2024-11-09 15:28:38,595 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 [2024-11-09 15:28:38,596 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 [2024-11-09 15:28:38,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:38,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:38,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:38,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:38,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:38,610 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:38,610 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:38,612 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:38,626 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 [2024-11-09 15:28:38,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:38,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:38,629 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) [2024-11-09 15:28:38,631 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 [2024-11-09 15:28:38,632 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 [2024-11-09 15:28:38,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:38,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:38,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:38,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:38,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:38,646 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:38,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:38,647 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:38,662 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 [2024-11-09 15:28:38,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:38,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:38,665 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) [2024-11-09 15:28:38,666 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 [2024-11-09 15:28:38,668 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 [2024-11-09 15:28:38,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:38,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:38,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:38,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:38,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:38,679 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:38,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:38,680 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:38,691 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 [2024-11-09 15:28:38,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:38,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:38,692 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) [2024-11-09 15:28:38,694 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 [2024-11-09 15:28:38,694 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 [2024-11-09 15:28:38,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:38,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:38,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:38,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:38,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:38,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:38,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:38,708 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:38,718 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 [2024-11-09 15:28:38,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:38,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:38,720 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) [2024-11-09 15:28:38,720 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 [2024-11-09 15:28:38,721 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 [2024-11-09 15:28:38,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:38,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:38,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:38,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:38,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:28:38,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:28:38,740 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:38,750 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 [2024-11-09 15:28:38,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:38,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:38,752 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) [2024-11-09 15:28:38,753 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 [2024-11-09 15:28:38,754 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 [2024-11-09 15:28:38,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:38,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:38,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:38,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:38,768 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:28:38,768 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:28:38,773 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:38,787 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-09 15:28:38,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:38,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:38,789 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) [2024-11-09 15:28:38,791 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 [2024-11-09 15:28:38,792 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 [2024-11-09 15:28:38,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:38,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:38,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:38,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:38,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:28:38,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:28:38,810 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:38,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-09 15:28:38,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:38,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:38,823 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) [2024-11-09 15:28:38,823 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 [2024-11-09 15:28:38,825 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 [2024-11-09 15:28:38,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:38,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:38,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:38,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:38,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:28:38,837 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:28:38,842 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:38,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-09 15:28:38,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:38,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:38,854 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) [2024-11-09 15:28:38,855 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 [2024-11-09 15:28:38,856 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 [2024-11-09 15:28:38,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:38,866 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-11-09 15:28:38,866 INFO L204 nArgumentSynthesizer]: 16 loop disjuncts [2024-11-09 15:28:38,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:39,183 INFO L401 nArgumentSynthesizer]: We have 608 Motzkin's Theorem applications. [2024-11-09 15:28:39,184 INFO L402 nArgumentSynthesizer]: A total of 32 supporting invariants were added. [2024-11-09 15:28:39,910 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:39,938 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-09 15:28:39,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:39,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:39,940 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) [2024-11-09 15:28:39,941 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 [2024-11-09 15:28:39,942 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 [2024-11-09 15:28:39,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:39,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:39,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:39,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:39,957 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:28:39,957 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:28:39,962 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:28:39,976 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-11-09 15:28:39,976 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 6 variables to zero. [2024-11-09 15:28:39,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:39,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:39,980 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:28:39,992 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:28:39,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-09 15:28:40,006 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-09 15:28:40,007 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:28:40,007 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~ip~0#1.base) 0)_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~ip~0#1.base) 0)_1 Supporting invariants [] [2024-11-09 15:28:40,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-09 15:28:40,033 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2024-11-09 15:28:40,041 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-09 15:28:40,042 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-09 15:28:40,042 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~ip~0!base,]]] [2024-11-09 15:28:40,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:28:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:28:40,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 15:28:40,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:28:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:28:40,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 15:28:40,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:28:40,286 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 17 treesize of output 9 [2024-11-09 15:28:40,446 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 15:28:40,449 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 8 loop predicates [2024-11-09 15:28:40,451 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 22 transitions. cyclomatic complexity: 4 Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 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) [2024-11-09 15:28:40,597 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 22 transitions. cyclomatic complexity: 4. Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 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) Result 66 states and 73 transitions. Complement of second has 24 states. [2024-11-09 15:28:40,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2024-11-09 15:28:40,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 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) [2024-11-09 15:28:40,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 14 transitions. [2024-11-09 15:28:40,601 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 14 transitions. Stem has 2 letters. Loop has 26 letters. [2024-11-09 15:28:40,602 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:28:40,602 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 14 transitions. Stem has 28 letters. Loop has 26 letters. [2024-11-09 15:28:40,602 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:28:40,602 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 14 transitions. Stem has 2 letters. Loop has 52 letters. [2024-11-09 15:28:40,603 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:28:40,603 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 73 transitions. [2024-11-09 15:28:40,608 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-09 15:28:40,609 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 35 states and 40 transitions. [2024-11-09 15:28:40,609 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-09 15:28:40,609 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-09 15:28:40,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 40 transitions. [2024-11-09 15:28:40,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:28:40,609 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 40 transitions. [2024-11-09 15:28:40,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 40 transitions. [2024-11-09 15:28:40,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 29. [2024-11-09 15:28:40,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-09 15:28:40,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2024-11-09 15:28:40,616 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 33 transitions. [2024-11-09 15:28:40,616 INFO L425 stractBuchiCegarLoop]: Abstraction has 29 states and 33 transitions. [2024-11-09 15:28:40,616 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-09 15:28:40,616 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 33 transitions. [2024-11-09 15:28:40,618 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-09 15:28:40,618 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:28:40,618 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:28:40,619 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-09 15:28:40,619 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-09 15:28:40,619 INFO L745 eck$LassoCheckResult]: Stem: 618#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 619#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~mem9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~ip~0#1.base, main_~ip~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~nondet8#1; 620#L23-3 call main_#t~mem9#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 622#L23-1 assume !!(main_#t~mem9#1 > 1);havoc main_#t~mem9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int#1(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 608#L26 call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);< 616#$Ultimate##0 [2024-11-09 15:28:40,619 INFO L747 eck$LassoCheckResult]: Loop: 616#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4); 607#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 609#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 616#$Ultimate##0 [2024-11-09 15:28:40,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:28:40,619 INFO L85 PathProgramCache]: Analyzing trace with hash 36330294, now seen corresponding path program 1 times [2024-11-09 15:28:40,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:28:40,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632424838] [2024-11-09 15:28:40,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:28:40,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:28:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:28:40,632 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:28:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:28:40,641 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:28:40,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:28:40,642 INFO L85 PathProgramCache]: Analyzing trace with hash 29943, now seen corresponding path program 1 times [2024-11-09 15:28:40,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:28:40,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132531045] [2024-11-09 15:28:40,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:28:40,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:28:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:28:40,652 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:28:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:28:40,658 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:28:40,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:28:40,659 INFO L85 PathProgramCache]: Analyzing trace with hash -15969886, now seen corresponding path program 1 times [2024-11-09 15:28:40,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:28:40,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589206989] [2024-11-09 15:28:40,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:28:40,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:28:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:28:40,673 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:28:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:28:40,681 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:28:41,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-09 15:28:41,423 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:28:41,423 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:28:41,423 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:28:41,423 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:28:41,423 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:28:41,423 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:41,423 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:28:41,423 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:28:41,424 INFO L132 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex2.i_Iteration5_Lasso [2024-11-09 15:28:41,424 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:28:41,424 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:28:41,426 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:41,428 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:41,430 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:41,431 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:41,433 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:41,435 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:41,437 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:41,439 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:41,440 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:41,442 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:41,444 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:41,446 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:41,448 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:41,764 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:41,766 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:41,768 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:41,770 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:41,772 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:41,773 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:41,775 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:41,777 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:41,780 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:41,782 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:41,783 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:41,785 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:41,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:41,789 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:41,790 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:41,792 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:42,122 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:28:42,123 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:28:42,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:42,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:42,125 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:28:42,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-09 15:28:42,127 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 [2024-11-09 15:28:42,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:42,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:42,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:42,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:42,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:42,137 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:42,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:42,138 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:42,148 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-09 15:28:42,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:42,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:42,150 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:28:42,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-09 15:28:42,152 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 [2024-11-09 15:28:42,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:42,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:42,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:42,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:42,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:42,165 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:42,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:42,167 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:42,182 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-09 15:28:42,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:42,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:42,185 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:28:42,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-09 15:28:42,188 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 [2024-11-09 15:28:42,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:42,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:42,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:42,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:42,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:42,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:42,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:42,203 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:42,218 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-09 15:28:42,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:42,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:42,220 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:28:42,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-09 15:28:42,222 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 [2024-11-09 15:28:42,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:42,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:42,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:42,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:42,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:42,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:42,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:42,236 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:42,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-09 15:28:42,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:42,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:42,247 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:28:42,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-09 15:28:42,249 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 [2024-11-09 15:28:42,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:42,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:42,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:42,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:42,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:42,259 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:42,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:42,260 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:42,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-09 15:28:42,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:42,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:42,272 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:28:42,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-09 15:28:42,274 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 [2024-11-09 15:28:42,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:42,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:42,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:42,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:42,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:42,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:42,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:42,286 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:42,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-09 15:28:42,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:42,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:42,299 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:28:42,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-09 15:28:42,301 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 [2024-11-09 15:28:42,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:42,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:42,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:42,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:42,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:42,311 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:42,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:42,312 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:42,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-09 15:28:42,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:42,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:42,324 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:28:42,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-09 15:28:42,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:28:42,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:42,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:42,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:42,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:42,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:42,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:42,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:42,339 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:42,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-09 15:28:42,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:42,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:42,353 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:28:42,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-09 15:28:42,354 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 [2024-11-09 15:28:42,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:42,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:42,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:42,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:42,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:42,365 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:42,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:42,366 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:42,376 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-09 15:28:42,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:42,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:42,378 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:28:42,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-09 15:28:42,379 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 [2024-11-09 15:28:42,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:42,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:42,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:42,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:42,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:42,389 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:42,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:42,390 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:42,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-11-09 15:28:42,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:42,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:42,401 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:28:42,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-09 15:28:42,403 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 [2024-11-09 15:28:42,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:42,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:42,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:42,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:42,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:42,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:42,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:42,414 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:42,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-09 15:28:42,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:42,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:42,428 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:28:42,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-09 15:28:42,430 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 [2024-11-09 15:28:42,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:42,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:42,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:42,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:42,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:42,441 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:42,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:42,442 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:42,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-09 15:28:42,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:42,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:42,453 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:28:42,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-09 15:28:42,455 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 [2024-11-09 15:28:42,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:42,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:42,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:42,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:42,466 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:28:42,466 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:28:42,470 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:42,480 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-11-09 15:28:42,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:42,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:42,481 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:28:42,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-09 15:28:42,482 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 [2024-11-09 15:28:42,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:42,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:42,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:42,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:42,494 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:28:42,494 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:28:42,498 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:42,508 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-11-09 15:28:42,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:42,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:42,510 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:28:42,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-09 15:28:42,512 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 [2024-11-09 15:28:42,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:42,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:42,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:42,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:42,523 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:28:42,523 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:28:42,525 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:42,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-11-09 15:28:42,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:42,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:42,540 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:28:42,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-09 15:28:42,551 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 [2024-11-09 15:28:42,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:42,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:42,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:42,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:42,567 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:28:42,567 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:28:42,575 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:28:42,595 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2024-11-09 15:28:42,596 INFO L444 ModelExtractionUtils]: 6 out of 19 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-11-09 15:28:42,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:42,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:42,597 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:28:42,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-09 15:28:42,599 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:28:42,610 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-09 15:28:42,610 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:28:42,610 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 rec_#in~p.base) rec_#in~p.offset)_1) = 2*v_rep(select (select #memory_int#1 rec_#in~p.base) rec_#in~p.offset)_1 + 1 Supporting invariants [] [2024-11-09 15:28:42,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-11-09 15:28:42,627 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2024-11-09 15:28:42,630 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-09 15:28:42,631 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-09 15:28:42,631 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[#in~p!base,]]] [2024-11-09 15:28:42,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:28:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:28:42,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 15:28:42,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:28:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:28:42,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 15:28:42,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:28:42,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 20 [2024-11-09 15:28:42,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:28:42,730 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 [2024-11-09 15:28:42,730 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 33 transitions. cyclomatic complexity: 7 Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-11-09 15:28:42,772 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 33 transitions. cyclomatic complexity: 7. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 57 states and 66 transitions. Complement of second has 14 states. [2024-11-09 15:28:42,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-09 15:28:42,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-11-09 15:28:42,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2024-11-09 15:28:42,773 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 5 letters. Loop has 3 letters. [2024-11-09 15:28:42,774 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:28:42,774 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 8 letters. Loop has 3 letters. [2024-11-09 15:28:42,774 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:28:42,774 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 5 letters. Loop has 6 letters. [2024-11-09 15:28:42,774 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:28:42,774 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 66 transitions. [2024-11-09 15:28:42,776 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-09 15:28:42,777 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 40 states and 48 transitions. [2024-11-09 15:28:42,777 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-11-09 15:28:42,777 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-09 15:28:42,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 48 transitions. [2024-11-09 15:28:42,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:28:42,777 INFO L218 hiAutomatonCegarLoop]: Abstraction has 40 states and 48 transitions. [2024-11-09 15:28:42,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 48 transitions. [2024-11-09 15:28:42,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-11-09 15:28:42,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 30 states have internal predecessors, (30), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (10), 4 states have call predecessors, (10), 6 states have call successors, (10) [2024-11-09 15:28:42,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2024-11-09 15:28:42,787 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 48 transitions. [2024-11-09 15:28:42,787 INFO L425 stractBuchiCegarLoop]: Abstraction has 40 states and 48 transitions. [2024-11-09 15:28:42,787 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-09 15:28:42,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 48 transitions. [2024-11-09 15:28:42,789 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-09 15:28:42,789 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:28:42,789 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:28:42,790 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 15:28:42,790 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-09 15:28:42,790 INFO L745 eck$LassoCheckResult]: Stem: 779#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 780#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~mem9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~ip~0#1.base, main_~ip~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~nondet8#1; 781#L23-3 call main_#t~mem9#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 782#L23-1 assume !!(main_#t~mem9#1 > 1);havoc main_#t~mem9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int#1(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 771#L26 call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);< 785#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4); 770#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 772#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 803#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4); 801#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 790#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 803#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4); 801#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 790#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 803#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4); 799#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int#1(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);call ULTIMATE.dealloc(~up.base, ~up.offset);#res := ~pv~0; 800#recFINAL assume true; 806#recEXIT >#29#return; 787#L17-1 #res := #t~ret6;havoc #t~ret6; 791#recFINAL assume true; 798#recEXIT >#29#return; 796#L17-1 #res := #t~ret6;havoc #t~ret6; 797#recFINAL assume true; 795#recEXIT >#29#return; 794#L17-1 #res := #t~ret6;havoc #t~ret6; 793#recFINAL assume true; 792#recEXIT >#31#return; 773#L26-1 call write~int#0(main_#t~mem13#1 + main_#t~ret12#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_~op~0#1.base, main_~op~0#1.offset;havoc main_#t~mem13#1;havoc main_#t~ret12#1; 774#L23-3 call main_#t~mem9#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 784#L23-1 assume !!(main_#t~mem9#1 > 1);havoc main_#t~mem9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int#1(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 769#L26 call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);< 775#$Ultimate##0 [2024-11-09 15:28:42,790 INFO L747 eck$LassoCheckResult]: Loop: 775#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4); 767#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 768#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 775#$Ultimate##0 [2024-11-09 15:28:42,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:28:42,791 INFO L85 PathProgramCache]: Analyzing trace with hash 770731142, now seen corresponding path program 2 times [2024-11-09 15:28:42,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:28:42,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910066976] [2024-11-09 15:28:42,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:28:42,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:28:42,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:28:43,207 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-11-09 15:28:43,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 15:28:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:28:43,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 15:28:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:28:43,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 15:28:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:28:44,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 15:28:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:28:44,133 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 15:28:44,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:28:44,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910066976] [2024-11-09 15:28:44,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910066976] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 15:28:44,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366596047] [2024-11-09 15:28:44,133 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 15:28:44,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:28:44,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:44,135 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 15:28:44,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-09 15:28:44,238 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 15:28:44,239 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 15:28:44,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-09 15:28:44,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:28:44,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 15:28:44,280 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 11 treesize of output 7 [2024-11-09 15:28:44,762 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 28 treesize of output 16 [2024-11-09 15:28:44,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2024-11-09 15:28:44,798 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 15 treesize of output 7 [2024-11-09 15:28:44,802 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 15:28:44,802 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 15:28:45,578 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 47 treesize of output 31 [2024-11-09 15:28:45,862 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 47 treesize of output 31 [2024-11-09 15:28:46,038 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 49 treesize of output 33 [2024-11-09 15:28:46,416 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:28:46,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366596047] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 15:28:46,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 15:28:46,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 24] total 49 [2024-11-09 15:28:46,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982433076] [2024-11-09 15:28:46,416 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 15:28:46,417 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-09 15:28:46,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:28:46,418 INFO L85 PathProgramCache]: Analyzing trace with hash 29943, now seen corresponding path program 2 times [2024-11-09 15:28:46,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:28:46,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010630461] [2024-11-09 15:28:46,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:28:46,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:28:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:28:46,428 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:28:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:28:46,433 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:28:46,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:28:46,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-11-09 15:28:46,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=2142, Unknown=0, NotChecked=0, Total=2352 [2024-11-09 15:28:46,769 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. cyclomatic complexity: 12 Second operand has 49 states, 40 states have (on average 1.175) internal successors, (47), 32 states have internal predecessors, (47), 9 states have call successors, (9), 7 states have call predecessors, (9), 12 states have return successors, (12), 11 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-09 15:28:47,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:28:47,298 INFO L93 Difference]: Finished difference Result 53 states and 67 transitions. [2024-11-09 15:28:47,298 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 67 transitions. [2024-11-09 15:28:47,299 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-09 15:28:47,301 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 46 states and 58 transitions. [2024-11-09 15:28:47,301 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-11-09 15:28:47,301 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-09 15:28:47,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 58 transitions. [2024-11-09 15:28:47,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:28:47,301 INFO L218 hiAutomatonCegarLoop]: Abstraction has 46 states and 58 transitions. [2024-11-09 15:28:47,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 58 transitions. [2024-11-09 15:28:47,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2024-11-09 15:28:47,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 29 states have (on average 1.103448275862069) internal successors, (32), 32 states have internal predecessors, (32), 8 states have call successors, (8), 5 states have call predecessors, (8), 6 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-09 15:28:47,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 52 transitions. [2024-11-09 15:28:47,307 INFO L240 hiAutomatonCegarLoop]: Abstraction has 43 states and 52 transitions. [2024-11-09 15:28:47,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 15:28:47,308 INFO L425 stractBuchiCegarLoop]: Abstraction has 43 states and 52 transitions. [2024-11-09 15:28:47,308 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-09 15:28:47,308 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 52 transitions. [2024-11-09 15:28:47,308 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-09 15:28:47,309 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:28:47,309 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:28:47,309 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 15:28:47,310 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-09 15:28:47,310 INFO L745 eck$LassoCheckResult]: Stem: 1173#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1174#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~mem9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~ip~0#1.base, main_~ip~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~nondet8#1; 1175#L23-3 call main_#t~mem9#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 1176#L23-1 assume !!(main_#t~mem9#1 > 1);havoc main_#t~mem9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int#1(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 1187#L26 call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);< 1202#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4); 1199#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 1164#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 1196#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4); 1194#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 1165#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 1196#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4); 1194#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 1165#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 1196#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4); 1194#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 1165#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 1196#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4); 1163#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int#1(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);call ULTIMATE.dealloc(~up.base, ~up.offset);#res := ~pv~0; 1166#recFINAL assume true; 1201#recEXIT >#29#return; 1185#L17-1 #res := #t~ret6;havoc #t~ret6; 1184#recFINAL assume true; 1182#recEXIT >#29#return; 1183#L17-1 #res := #t~ret6;havoc #t~ret6; 1197#recFINAL assume true; 1195#recEXIT >#29#return; 1191#L17-1 #res := #t~ret6;havoc #t~ret6; 1193#recFINAL assume true; 1190#recEXIT >#29#return; 1189#L17-1 #res := #t~ret6;havoc #t~ret6; 1188#recFINAL assume true; 1186#recEXIT >#31#return; 1167#L26-1 call write~int#0(main_#t~mem13#1 + main_#t~ret12#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_~op~0#1.base, main_~op~0#1.offset;havoc main_#t~mem13#1;havoc main_#t~ret12#1; 1168#L23-3 call main_#t~mem9#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 1177#L23-1 assume !!(main_#t~mem9#1 > 1);havoc main_#t~mem9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int#1(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 1162#L26 call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);< 1169#$Ultimate##0 [2024-11-09 15:28:47,310 INFO L747 eck$LassoCheckResult]: Loop: 1169#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4); 1160#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 1161#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 1169#$Ultimate##0 [2024-11-09 15:28:47,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:28:47,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1655830132, now seen corresponding path program 3 times [2024-11-09 15:28:47,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:28:47,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875620485] [2024-11-09 15:28:47,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:28:47,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:28:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:28:47,335 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:28:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:28:47,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:28:47,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:28:47,357 INFO L85 PathProgramCache]: Analyzing trace with hash 29943, now seen corresponding path program 3 times [2024-11-09 15:28:47,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:28:47,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290998020] [2024-11-09 15:28:47,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:28:47,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:28:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:28:47,362 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:28:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:28:47,365 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:28:47,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:28:47,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1136068004, now seen corresponding path program 4 times [2024-11-09 15:28:47,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:28:47,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859099593] [2024-11-09 15:28:47,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:28:47,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:28:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:28:47,394 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:28:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:28:47,417 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:28:52,228 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:28:52,228 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:28:52,228 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:28:52,228 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:28:52,228 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:28:52,228 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:52,228 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:28:52,228 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:28:52,228 INFO L132 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex2.i_Iteration7_Lasso [2024-11-09 15:28:52,228 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:28:52,228 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:28:52,231 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:52,234 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:52,235 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:52,237 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:52,238 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:52,240 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:52,241 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:52,242 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:52,244 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:52,245 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:52,247 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:52,249 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:52,250 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:52,252 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:52,253 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:52,254 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:52,256 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:52,257 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:52,259 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:52,260 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:52,262 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:52,641 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:52,645 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:52,646 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:52,648 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:52,649 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:52,650 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:52,652 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:28:52,806 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2024-11-09 15:28:58,707 WARN L286 SmtUtils]: Spent 5.79s on a formula simplification. DAG size of input: 168 DAG size of output: 168 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2024-11-09 15:28:58,743 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:28:58,744 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:28:58,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:58,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:58,746 INFO L229 MonitoredProcess]: Starting monitored process 34 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) [2024-11-09 15:28:58,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-09 15:28:58,749 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 [2024-11-09 15:28:58,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:58,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:58,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:58,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:58,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:58,764 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:58,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:58,768 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:58,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-11-09 15:28:58,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:58,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:58,780 INFO L229 MonitoredProcess]: Starting monitored process 35 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) [2024-11-09 15:28:58,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-09 15:28:58,782 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 [2024-11-09 15:28:58,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:58,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:58,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:58,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:58,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:58,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:58,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:58,793 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:58,804 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-11-09 15:28:58,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:58,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:58,805 INFO L229 MonitoredProcess]: Starting monitored process 36 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) [2024-11-09 15:28:58,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-09 15:28:58,807 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 [2024-11-09 15:28:58,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:58,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:58,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:58,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:58,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:58,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:58,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:58,818 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:58,828 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-11-09 15:28:58,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:58,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:58,830 INFO L229 MonitoredProcess]: Starting monitored process 37 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) [2024-11-09 15:28:58,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-09 15:28:58,831 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 [2024-11-09 15:28:58,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:58,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:58,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:58,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:58,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:58,842 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:58,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:58,843 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:58,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-11-09 15:28:58,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:58,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:58,855 INFO L229 MonitoredProcess]: Starting monitored process 38 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) [2024-11-09 15:28:58,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-09 15:28:58,856 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 [2024-11-09 15:28:58,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:58,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:58,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:58,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:58,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:58,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:58,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:58,867 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:58,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-11-09 15:28:58,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:58,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:58,879 INFO L229 MonitoredProcess]: Starting monitored process 39 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) [2024-11-09 15:28:58,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-09 15:28:58,881 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 [2024-11-09 15:28:58,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:58,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:58,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:58,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:58,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:58,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:58,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:58,894 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:58,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-11-09 15:28:58,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:58,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:58,906 INFO L229 MonitoredProcess]: Starting monitored process 40 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) [2024-11-09 15:28:58,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-09 15:28:58,908 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 [2024-11-09 15:28:58,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:58,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:58,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:58,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:58,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:58,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:58,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:58,919 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:58,930 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-11-09 15:28:58,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:58,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:58,931 INFO L229 MonitoredProcess]: Starting monitored process 41 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) [2024-11-09 15:28:58,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-09 15:28:58,933 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 [2024-11-09 15:28:58,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:58,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:58,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:58,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:58,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:58,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:58,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:58,944 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:58,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-11-09 15:28:58,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:58,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:58,956 INFO L229 MonitoredProcess]: Starting monitored process 42 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) [2024-11-09 15:28:58,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-09 15:28:58,957 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 [2024-11-09 15:28:58,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:58,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:58,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:58,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:58,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:58,968 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:58,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:58,969 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:58,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-11-09 15:28:58,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:58,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:58,981 INFO L229 MonitoredProcess]: Starting monitored process 43 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) [2024-11-09 15:28:58,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-09 15:28:58,984 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 [2024-11-09 15:28:58,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:58,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:58,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:58,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:58,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:58,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:58,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:58,997 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:59,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-11-09 15:28:59,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:59,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:59,009 INFO L229 MonitoredProcess]: Starting monitored process 44 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) [2024-11-09 15:28:59,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-09 15:28:59,011 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 [2024-11-09 15:28:59,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:59,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:59,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:59,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:59,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:59,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:59,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:59,025 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:59,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-11-09 15:28:59,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:59,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:59,041 INFO L229 MonitoredProcess]: Starting monitored process 45 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) [2024-11-09 15:28:59,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-09 15:28:59,044 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 [2024-11-09 15:28:59,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:59,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:59,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:59,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:59,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:59,057 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:59,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:59,059 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:59,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2024-11-09 15:28:59,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:59,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:59,071 INFO L229 MonitoredProcess]: Starting monitored process 46 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) [2024-11-09 15:28:59,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-11-09 15:28:59,073 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 [2024-11-09 15:28:59,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:59,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:59,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:59,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:59,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:59,083 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:59,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:59,084 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:59,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2024-11-09 15:28:59,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:59,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:59,095 INFO L229 MonitoredProcess]: Starting monitored process 47 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) [2024-11-09 15:28:59,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-11-09 15:28:59,096 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 [2024-11-09 15:28:59,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:59,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:59,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:59,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:59,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:59,106 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:59,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:59,108 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:59,122 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2024-11-09 15:28:59,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:59,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:59,124 INFO L229 MonitoredProcess]: Starting monitored process 48 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) [2024-11-09 15:28:59,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-11-09 15:28:59,126 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 [2024-11-09 15:28:59,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:59,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:59,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:59,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:59,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:59,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:59,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:59,141 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:59,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2024-11-09 15:28:59,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:59,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:59,159 INFO L229 MonitoredProcess]: Starting monitored process 49 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) [2024-11-09 15:28:59,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-11-09 15:28:59,164 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 [2024-11-09 15:28:59,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:59,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:59,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:59,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:59,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:59,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:59,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:59,178 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:59,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2024-11-09 15:28:59,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:59,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:59,190 INFO L229 MonitoredProcess]: Starting monitored process 50 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) [2024-11-09 15:28:59,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-11-09 15:28:59,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:28:59,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:59,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:59,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:59,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:59,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:59,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:59,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:59,202 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:59,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-11-09 15:28:59,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:59,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:59,214 INFO L229 MonitoredProcess]: Starting monitored process 51 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) [2024-11-09 15:28:59,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-11-09 15:28:59,215 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 [2024-11-09 15:28:59,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:59,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:59,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:59,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:59,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:59,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:59,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:59,226 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:59,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-11-09 15:28:59,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:59,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:59,238 INFO L229 MonitoredProcess]: Starting monitored process 52 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) [2024-11-09 15:28:59,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-11-09 15:28:59,239 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 [2024-11-09 15:28:59,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:59,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:59,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:59,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:59,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:59,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:59,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:59,250 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:59,261 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2024-11-09 15:28:59,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:59,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:59,263 INFO L229 MonitoredProcess]: Starting monitored process 53 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) [2024-11-09 15:28:59,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-11-09 15:28:59,265 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 [2024-11-09 15:28:59,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:59,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:28:59,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:59,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:59,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:59,275 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:28:59,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:28:59,276 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:59,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2024-11-09 15:28:59,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:59,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:59,288 INFO L229 MonitoredProcess]: Starting monitored process 54 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) [2024-11-09 15:28:59,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-11-09 15:28:59,289 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 [2024-11-09 15:28:59,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:59,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:59,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:59,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:59,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:28:59,301 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:28:59,306 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:59,316 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2024-11-09 15:28:59,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:59,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:59,330 INFO L229 MonitoredProcess]: Starting monitored process 55 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) [2024-11-09 15:28:59,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-11-09 15:28:59,331 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 [2024-11-09 15:28:59,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:59,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:59,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:59,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:59,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:28:59,343 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:28:59,346 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:59,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2024-11-09 15:28:59,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:59,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:59,358 INFO L229 MonitoredProcess]: Starting monitored process 56 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) [2024-11-09 15:28:59,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-11-09 15:28:59,359 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 [2024-11-09 15:28:59,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:59,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:59,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:59,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:59,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:28:59,371 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:28:59,373 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:28:59,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2024-11-09 15:28:59,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:59,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:59,385 INFO L229 MonitoredProcess]: Starting monitored process 57 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) [2024-11-09 15:28:59,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-11-09 15:28:59,386 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 [2024-11-09 15:28:59,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:28:59,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:28:59,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:28:59,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:28:59,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:28:59,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:28:59,410 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:28:59,428 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-09 15:28:59,428 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-11-09 15:28:59,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:28:59,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:28:59,430 INFO L229 MonitoredProcess]: Starting monitored process 58 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) [2024-11-09 15:28:59,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-11-09 15:28:59,431 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:28:59,444 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-09 15:28:59,445 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:28:59,445 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 rec_#in~p.base) rec_#in~p.offset)_2) = 2*v_rep(select (select #memory_int#1 rec_#in~p.base) rec_#in~p.offset)_2 + 1 Supporting invariants [] [2024-11-09 15:28:59,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2024-11-09 15:28:59,463 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2024-11-09 15:28:59,464 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-09 15:28:59,464 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-09 15:28:59,464 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[#in~p!base,]]] [2024-11-09 15:28:59,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:28:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:28:59,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 15:28:59,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:28:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:28:59,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 15:28:59,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:28:59,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 20 [2024-11-09 15:28:59,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:28:59,830 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 [2024-11-09 15:28:59,830 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13 Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 15:28:59,884 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 50 states and 59 transitions. Complement of second has 14 states. [2024-11-09 15:28:59,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-09 15:28:59,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 15:28:59,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2024-11-09 15:28:59,886 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 37 letters. Loop has 3 letters. [2024-11-09 15:28:59,886 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:28:59,886 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-09 15:28:59,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:28:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:28:59,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 15:28:59,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:29:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:29:00,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 15:29:00,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:29:00,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 20 [2024-11-09 15:29:00,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:29:00,256 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2024-11-09 15:29:00,256 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13 Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 15:29:00,308 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 50 states and 59 transitions. Complement of second has 14 states. [2024-11-09 15:29:00,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-09 15:29:00,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 15:29:00,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2024-11-09 15:29:00,310 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 37 letters. Loop has 3 letters. [2024-11-09 15:29:00,310 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:29:00,310 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-09 15:29:00,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:29:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:29:00,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 15:29:00,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:29:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:29:00,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 15:29:00,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:29:00,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 20 [2024-11-09 15:29:00,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:29:00,685 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2024-11-09 15:29:00,685 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13 Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 15:29:00,757 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 63 states and 72 transitions. Complement of second has 15 states. [2024-11-09 15:29:00,758 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 [2024-11-09 15:29:00,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 15:29:00,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 20 transitions. [2024-11-09 15:29:00,759 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 37 letters. Loop has 3 letters. [2024-11-09 15:29:00,759 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:29:00,759 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 40 letters. Loop has 3 letters. [2024-11-09 15:29:00,760 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:29:00,761 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 37 letters. Loop has 6 letters. [2024-11-09 15:29:00,761 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:29:00,761 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 72 transitions. [2024-11-09 15:29:00,762 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 15:29:00,762 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 0 states and 0 transitions. [2024-11-09 15:29:00,762 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-09 15:29:00,762 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-09 15:29:00,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-09 15:29:00,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:29:00,762 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:29:00,762 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:29:00,762 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:29:00,762 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-09 15:29:00,763 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-09 15:29:00,763 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 15:29:00,763 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-09 15:29:00,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 03:29:00 BoogieIcfgContainer [2024-11-09 15:29:00,768 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-09 15:29:00,769 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 15:29:00,769 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 15:29:00,769 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 15:29:00,769 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:28:30" (3/4) ... [2024-11-09 15:29:00,771 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 15:29:00,772 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 15:29:00,772 INFO L158 Benchmark]: Toolchain (without parser) took 31083.19ms. Allocated memory was 182.5MB in the beginning and 369.1MB in the end (delta: 186.6MB). Free memory was 112.5MB in the beginning and 134.1MB in the end (delta: -21.6MB). Peak memory consumption was 165.4MB. Max. memory is 16.1GB. [2024-11-09 15:29:00,772 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:29:00,772 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.25ms. Allocated memory is still 182.5MB. Free memory was 112.2MB in the beginning and 100.7MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 15:29:00,773 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.78ms. Allocated memory is still 182.5MB. Free memory was 100.3MB in the beginning and 99.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 15:29:00,773 INFO L158 Benchmark]: Boogie Preprocessor took 43.18ms. Allocated memory is still 182.5MB. Free memory was 99.2MB in the beginning and 97.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 15:29:00,773 INFO L158 Benchmark]: RCFGBuilder took 287.99ms. Allocated memory is still 182.5MB. Free memory was 97.1MB in the beginning and 84.2MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 15:29:00,773 INFO L158 Benchmark]: BuchiAutomizer took 30488.37ms. Allocated memory was 182.5MB in the beginning and 369.1MB in the end (delta: 186.6MB). Free memory was 84.2MB in the beginning and 134.1MB in the end (delta: -49.9MB). Peak memory consumption was 138.1MB. Max. memory is 16.1GB. [2024-11-09 15:29:00,773 INFO L158 Benchmark]: Witness Printer took 2.89ms. Allocated memory is still 369.1MB. Free memory is still 134.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:29:00,775 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.25ms. Allocated memory is still 182.5MB. Free memory was 112.2MB in the beginning and 100.7MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.78ms. Allocated memory is still 182.5MB. Free memory was 100.3MB in the beginning and 99.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.18ms. Allocated memory is still 182.5MB. Free memory was 99.2MB in the beginning and 97.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 287.99ms. Allocated memory is still 182.5MB. Free memory was 97.1MB in the beginning and 84.2MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 30488.37ms. Allocated memory was 182.5MB in the beginning and 369.1MB in the end (delta: 186.6MB). Free memory was 84.2MB in the beginning and 134.1MB in the end (delta: -49.9MB). Peak memory consumption was 138.1MB. Max. memory is 16.1GB. * Witness Printer took 2.89ms. Allocated memory is still 369.1MB. Free memory is still 134.1MB. 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[~ip~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[#in~p!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[#in~p!base,]]] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (4 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 9 locations. One deterministic module has affine ranking function null and consists of 5 locations. One nondeterministic module has affine ranking function null and consists of 6 locations. 4 modules have a trivial ranking function, the largest among these consists of 49 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 30.4s and 8 iterations. TraceHistogramMax:5. Analysis of lassos took 27.1s. Construction of modules took 0.5s. Büchi inclusion checks took 2.5s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 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 [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 30/30 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 124 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 120 mSDsluCounter, 475 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 393 mSDsCounter, 79 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 759 IncrementalHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 79 mSolverCounterUnsat, 82 mSDtfsCounter, 759 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI3 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital267 mio100 ax100 hnf100 lsp98 ukn59 mio100 lsp38 div100 bol100 ite100 ukn100 eq163 hnf95 smp100 dnf2551 smp71 tf100 neg100 sie130 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 1057ms VariablesStem: 2 VariablesLoop: 5 DisjunctsStem: 2 DisjunctsLoop: 16 SupportingInvariants: 32 MotzkinApplications: 608 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! [2024-11-09 15:29:00,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2024-11-09 15:29:00,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-09 15:29:01,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 15:29:01,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 15:29:01,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE