./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig7a-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig7a-alloca-2.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 0dd810d674c4cff9336e312b19e9358b8b865ab368a2555cf5d277ff73d72d47 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-12 00:17:29,236 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 00:17:29,330 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-12 00:17:29,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 00:17:29,336 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 00:17:29,371 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 00:17:29,372 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 00:17:29,373 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 00:17:29,373 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 00:17:29,374 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 00:17:29,374 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 00:17:29,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 00:17:29,375 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 00:17:29,375 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-12 00:17:29,376 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-12 00:17:29,376 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-12 00:17:29,376 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-12 00:17:29,377 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-12 00:17:29,377 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-12 00:17:29,380 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 00:17:29,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-12 00:17:29,381 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 00:17:29,382 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 00:17:29,382 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-12 00:17:29,382 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-12 00:17:29,382 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-12 00:17:29,383 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 00:17:29,383 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-12 00:17:29,383 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 00:17:29,384 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-12 00:17:29,384 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 00:17:29,389 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 00:17:29,389 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 00:17:29,390 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 00:17:29,390 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 00:17:29,390 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-12 00:17:29,391 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dd810d674c4cff9336e312b19e9358b8b865ab368a2555cf5d277ff73d72d47 [2024-10-12 00:17:29,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 00:17:29,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 00:17:29,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 00:17:29,696 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 00:17:29,697 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 00:17:29,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig7a-alloca-2.i [2024-10-12 00:17:31,219 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 00:17:31,463 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 00:17:31,464 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig7a-alloca-2.i [2024-10-12 00:17:31,475 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/c563622ed/ac530bdada9b49eb8e848706d6a30176/FLAG78ae9e02d [2024-10-12 00:17:31,489 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/c563622ed/ac530bdada9b49eb8e848706d6a30176 [2024-10-12 00:17:31,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 00:17:31,493 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 00:17:31,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 00:17:31,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 00:17:31,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 00:17:31,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:17:31" (1/1) ... [2024-10-12 00:17:31,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@416adeed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:31, skipping insertion in model container [2024-10-12 00:17:31,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:17:31" (1/1) ... [2024-10-12 00:17:31,548 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 00:17:31,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:17:31,857 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 00:17:31,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:17:31,923 INFO L204 MainTranslator]: Completed translation [2024-10-12 00:17:31,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:31 WrapperNode [2024-10-12 00:17:31,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 00:17:31,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 00:17:31,926 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 00:17:31,926 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 00:17:31,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:31" (1/1) ... [2024-10-12 00:17:31,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:31" (1/1) ... [2024-10-12 00:17:31,971 INFO L138 Inliner]: procedures = 110, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2024-10-12 00:17:31,972 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 00:17:31,973 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 00:17:31,973 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 00:17:31,973 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 00:17:31,983 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:31" (1/1) ... [2024-10-12 00:17:31,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:31" (1/1) ... [2024-10-12 00:17:31,988 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:31" (1/1) ... [2024-10-12 00:17:32,006 INFO L175 MemorySlicer]: Split 14 memory accesses to 3 slices as follows [5, 4, 5]. 36 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0, 0]. The 8 writes are split as follows [3, 2, 3]. [2024-10-12 00:17:32,006 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:31" (1/1) ... [2024-10-12 00:17:32,006 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:31" (1/1) ... [2024-10-12 00:17:32,013 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:31" (1/1) ... [2024-10-12 00:17:32,020 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:31" (1/1) ... [2024-10-12 00:17:32,024 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:31" (1/1) ... [2024-10-12 00:17:32,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:31" (1/1) ... [2024-10-12 00:17:32,031 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 00:17:32,032 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 00:17:32,036 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 00:17:32,036 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 00:17:32,037 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:31" (1/1) ... [2024-10-12 00:17:32,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:32,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:32,073 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:32,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-12 00:17:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-12 00:17:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-12 00:17:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-12 00:17:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-12 00:17:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-12 00:17:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-12 00:17:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-12 00:17:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-12 00:17:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 00:17:32,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 00:17:32,239 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 00:17:32,242 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 00:17:32,400 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-10-12 00:17:32,400 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 00:17:32,421 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 00:17:32,424 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-12 00:17:32,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:17:32 BoogieIcfgContainer [2024-10-12 00:17:32,425 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 00:17:32,430 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-12 00:17:32,430 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-12 00:17:32,434 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-12 00:17:32,439 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:17:32,439 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.10 12:17:31" (1/3) ... [2024-10-12 00:17:32,440 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c88827f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:17:32, skipping insertion in model container [2024-10-12 00:17:32,441 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:17:32,441 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:31" (2/3) ... [2024-10-12 00:17:32,441 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c88827f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:17:32, skipping insertion in model container [2024-10-12 00:17:32,442 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:17:32,442 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:17:32" (3/3) ... [2024-10-12 00:17:32,444 INFO L332 chiAutomizerObserver]: Analyzing ICFG CookSeeZuleger-2013TACAS-Fig7a-alloca-2.i [2024-10-12 00:17:32,495 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-12 00:17:32,496 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-12 00:17:32,496 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-12 00:17:32,496 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-12 00:17:32,496 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-12 00:17:32,496 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-12 00:17:32,497 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-12 00:17:32,497 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-12 00:17:32,502 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:17:32,526 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-12 00:17:32,526 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:17:32,526 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:17:32,534 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:17:32,535 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-12 00:17:32,535 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-12 00:17:32,536 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:17:32,538 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-12 00:17:32,538 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:17:32,539 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:17:32,539 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:17:32,539 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-12 00:17:32,547 INFO L745 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~short10#1, main_#t~mem11#1, main_#t~short12#1, main_#t~nondet13#1, main_#t~mem14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~mem17#1, main_#t~mem18#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~d~0#1.base, main_~d~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~d~0#1.base, main_~d~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;havoc main_#t~nondet5#1;call write~int#0(main_#t~nondet5#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;call write~int#2(main_#t~nondet7#1, main_~d~0#1.base, main_~d~0#1.offset, 4);havoc main_#t~nondet7#1; 8#L555-2true [2024-10-12 00:17:32,548 INFO L747 eck$LassoCheckResult]: Loop: 8#L555-2true call main_#t~mem8#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 9#L554-1true assume main_#t~short10#1;call main_#t~mem9#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short10#1 := main_#t~mem9#1 > 0; 7#L554-3true main_#t~short12#1 := main_#t~short10#1; 11#L554-4true assume main_#t~short12#1;call main_#t~mem11#1 := read~int#2(main_~d~0#1.base, main_~d~0#1.offset, 4);main_#t~short12#1 := main_#t~mem11#1 > 0; 12#L554-6true assume !!main_#t~short12#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;havoc main_#t~mem11#1;havoc main_#t~short12#1;havoc main_#t~nondet13#1; 3#L555true assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1;call main_#t~mem14#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int#0(main_#t~mem14#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~nondet15#1;call write~int#2(main_#t~nondet15#1, main_~d~0#1.base, main_~d~0#1.offset, 4);havoc main_#t~nondet15#1; 8#L555-2true [2024-10-12 00:17:32,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:17:32,554 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-12 00:17:32,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:17:32,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481513961] [2024-10-12 00:17:32,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:17:32,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:17:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:32,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:17:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:32,820 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:17:32,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:17:32,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1097577162, now seen corresponding path program 1 times [2024-10-12 00:17:32,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:17:32,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395889966] [2024-10-12 00:17:32,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:17:32,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:17:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:32,888 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:17:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:32,911 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:17:32,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:17:32,913 INFO L85 PathProgramCache]: Analyzing trace with hash 177626380, now seen corresponding path program 1 times [2024-10-12 00:17:32,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:17:32,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953809204] [2024-10-12 00:17:32,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:17:32,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:17:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:32,996 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:17:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:33,046 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:17:33,881 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:17:33,882 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:17:33,882 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:17:33,883 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:17:33,883 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:17:33,883 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:33,883 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:17:33,883 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:17:33,883 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig7a-alloca-2.i_Iteration1_Lasso [2024-10-12 00:17:33,883 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:17:33,884 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:17:33,903 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:33,910 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:33,913 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:33,915 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:33,918 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:33,922 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:34,458 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:34,463 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:34,465 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:34,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:34,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:34,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:34,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:34,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:34,481 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:34,484 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:34,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:34,491 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:34,493 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:34,920 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:17:34,925 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:17:34,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:34,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:34,929 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:34,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-12 00:17:34,932 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 [2024-10-12 00:17:34,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:34,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:34,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:34,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:34,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:34,949 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:34,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:34,954 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:34,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-12 00:17:34,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:34,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:34,968 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:34,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-12 00:17:34,970 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 [2024-10-12 00:17:34,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:34,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:34,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:34,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:34,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:34,982 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:34,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:34,984 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:35,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-10-12 00:17:35,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:35,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:35,003 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:35,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-12 00:17:35,006 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 [2024-10-12 00:17:35,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:35,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:35,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:35,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:35,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:35,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:35,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:35,030 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:35,047 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-12 00:17:35,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:35,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:35,049 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:35,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-12 00:17:35,052 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 [2024-10-12 00:17:35,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:35,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:35,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:35,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:35,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:35,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:35,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:35,070 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:35,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-10-12 00:17:35,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:35,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:35,088 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:35,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-12 00:17:35,090 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 [2024-10-12 00:17:35,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:35,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:35,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:35,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:35,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:17:35,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:17:35,110 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:35,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-12 00:17:35,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:35,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:35,128 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:35,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-12 00:17:35,131 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 [2024-10-12 00:17:35,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:35,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:35,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:35,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:35,145 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:17:35,145 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:17:35,150 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:35,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-10-12 00:17:35,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:35,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:35,164 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:35,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-12 00:17:35,166 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 [2024-10-12 00:17:35,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:35,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:35,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:35,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:35,186 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:17:35,187 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:17:35,193 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:35,208 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-12 00:17:35,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:35,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:35,211 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:35,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-12 00:17:35,214 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 [2024-10-12 00:17:35,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:35,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:35,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:35,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:35,234 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:17:35,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:17:35,244 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:35,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-12 00:17:35,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:35,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:35,262 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:35,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-12 00:17:35,266 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 [2024-10-12 00:17:35,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:35,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:35,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:35,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:35,285 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:17:35,285 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:17:35,293 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:17:35,320 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-10-12 00:17:35,320 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 6 variables to zero. [2024-10-12 00:17:35,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:35,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:35,343 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:35,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-12 00:17:35,347 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:17:35,362 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-12 00:17:35,362 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:17:35,363 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x~0#1.base) 0)_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x~0#1.base) 0)_1 Supporting invariants [] [2024-10-12 00:17:35,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-12 00:17:35,457 INFO L156 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2024-10-12 00:17:35,464 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-10-12 00:17:35,465 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-10-12 00:17:35,465 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x~0!base,]]] [2024-10-12 00:17:35,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:17:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:17:35,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-12 00:17:35,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:17:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:17:35,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-12 00:17:35,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:17:35,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:17:35,694 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 [2024-10-12 00:17:35,696 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:17:35,809 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 47 states and 65 transitions. Complement of second has 10 states. [2024-10-12 00:17:35,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-12 00:17:35,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:17:35,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions. [2024-10-12 00:17:35,820 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 2 letters. Loop has 6 letters. [2024-10-12 00:17:35,822 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:17:35,822 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 8 letters. Loop has 6 letters. [2024-10-12 00:17:35,822 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:17:35,822 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 2 letters. Loop has 12 letters. [2024-10-12 00:17:35,822 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:17:35,823 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 65 transitions. [2024-10-12 00:17:35,826 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-10-12 00:17:35,833 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 31 states and 44 transitions. [2024-10-12 00:17:35,834 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2024-10-12 00:17:35,835 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-10-12 00:17:35,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 44 transitions. [2024-10-12 00:17:35,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 00:17:35,835 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 44 transitions. [2024-10-12 00:17:35,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 44 transitions. [2024-10-12 00:17:35,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2024-10-12 00:17:35,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.4) internal successors, (42), 29 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:17:35,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 42 transitions. [2024-10-12 00:17:35,861 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 42 transitions. [2024-10-12 00:17:35,862 INFO L425 stractBuchiCegarLoop]: Abstraction has 30 states and 42 transitions. [2024-10-12 00:17:35,864 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-12 00:17:35,864 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 42 transitions. [2024-10-12 00:17:35,865 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-10-12 00:17:35,866 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:17:35,866 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:17:35,866 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-12 00:17:35,866 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-12 00:17:35,866 INFO L745 eck$LassoCheckResult]: Stem: 223#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 224#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~short10#1, main_#t~mem11#1, main_#t~short12#1, main_#t~nondet13#1, main_#t~mem14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~mem17#1, main_#t~mem18#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~d~0#1.base, main_~d~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~d~0#1.base, main_~d~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;havoc main_#t~nondet5#1;call write~int#0(main_#t~nondet5#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;call write~int#2(main_#t~nondet7#1, main_~d~0#1.base, main_~d~0#1.offset, 4);havoc main_#t~nondet7#1; 234#L555-2 call main_#t~mem8#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 226#L554-1 [2024-10-12 00:17:35,866 INFO L747 eck$LassoCheckResult]: Loop: 226#L554-1 assume !main_#t~short10#1; 238#L554-3 main_#t~short12#1 := main_#t~short10#1; 241#L554-4 assume main_#t~short12#1;call main_#t~mem11#1 := read~int#2(main_~d~0#1.base, main_~d~0#1.offset, 4);main_#t~short12#1 := main_#t~mem11#1 > 0; 240#L554-6 assume !!main_#t~short12#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;havoc main_#t~mem11#1;havoc main_#t~short12#1;havoc main_#t~nondet13#1; 239#L555 assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1;call main_#t~mem14#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int#0(main_#t~mem14#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~nondet15#1;call write~int#2(main_#t~nondet15#1, main_~d~0#1.base, main_~d~0#1.offset, 4);havoc main_#t~nondet15#1; 225#L555-2 call main_#t~mem8#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 226#L554-1 [2024-10-12 00:17:35,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:17:35,867 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-10-12 00:17:35,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:17:35,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982560173] [2024-10-12 00:17:35,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:17:35,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:17:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:35,897 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:17:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:35,923 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:17:35,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:17:35,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1244514134, now seen corresponding path program 1 times [2024-10-12 00:17:35,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:17:35,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627794093] [2024-10-12 00:17:35,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:17:35,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:17:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:17:36,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:17:36,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:17:36,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627794093] [2024-10-12 00:17:36,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627794093] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:17:36,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:17:36,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 00:17:36,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808258059] [2024-10-12 00:17:36,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:17:36,018 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-12 00:17:36,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:17:36,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 00:17:36,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 00:17:36,022 INFO L87 Difference]: Start difference. First operand 30 states and 42 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:17:36,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:17:36,047 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2024-10-12 00:17:36,047 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 35 transitions. [2024-10-12 00:17:36,048 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-12 00:17:36,050 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 20 states and 23 transitions. [2024-10-12 00:17:36,050 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-10-12 00:17:36,051 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-10-12 00:17:36,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2024-10-12 00:17:36,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 00:17:36,051 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 23 transitions. [2024-10-12 00:17:36,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2024-10-12 00:17:36,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-10-12 00:17:36,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.15) internal successors, (23), 19 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:17:36,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2024-10-12 00:17:36,055 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 23 transitions. [2024-10-12 00:17:36,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 00:17:36,056 INFO L425 stractBuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2024-10-12 00:17:36,056 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-12 00:17:36,057 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2024-10-12 00:17:36,057 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-12 00:17:36,058 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:17:36,058 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:17:36,059 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 00:17:36,059 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-12 00:17:36,059 INFO L745 eck$LassoCheckResult]: Stem: 291#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 292#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~short10#1, main_#t~mem11#1, main_#t~short12#1, main_#t~nondet13#1, main_#t~mem14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~mem17#1, main_#t~mem18#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~d~0#1.base, main_~d~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~d~0#1.base, main_~d~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;havoc main_#t~nondet5#1;call write~int#0(main_#t~nondet5#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;call write~int#2(main_#t~nondet7#1, main_~d~0#1.base, main_~d~0#1.offset, 4);havoc main_#t~nondet7#1; 299#L555-2 call main_#t~mem8#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 294#L554-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short10#1 := main_#t~mem9#1 > 0; 302#L554-3 main_#t~short12#1 := main_#t~short10#1; 301#L554-4 assume main_#t~short12#1;call main_#t~mem11#1 := read~int#2(main_~d~0#1.base, main_~d~0#1.offset, 4);main_#t~short12#1 := main_#t~mem11#1 > 0; 298#L554-6 assume !!main_#t~short12#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;havoc main_#t~mem11#1;havoc main_#t~short12#1;havoc main_#t~nondet13#1; 283#L555 assume !(0 != main_#t~nondet13#1);havoc main_#t~nondet13#1;havoc main_#t~nondet16#1;call write~int#0(main_#t~nondet16#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet16#1;call main_#t~mem17#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int#1(main_#t~mem17#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#2(main_~d~0#1.base, main_~d~0#1.offset, 4);call write~int#2(main_#t~mem18#1 - 1, main_~d~0#1.base, main_~d~0#1.offset, 4);havoc main_#t~mem18#1; 284#L555-2 [2024-10-12 00:17:36,059 INFO L747 eck$LassoCheckResult]: Loop: 284#L555-2 call main_#t~mem8#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 293#L554-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short10#1 := main_#t~mem9#1 > 0; 287#L554-3 main_#t~short12#1 := main_#t~short10#1; 288#L554-4 assume main_#t~short12#1;call main_#t~mem11#1 := read~int#2(main_~d~0#1.base, main_~d~0#1.offset, 4);main_#t~short12#1 := main_#t~mem11#1 > 0; 296#L554-6 assume !!main_#t~short12#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;havoc main_#t~mem11#1;havoc main_#t~short12#1;havoc main_#t~nondet13#1; 300#L555 assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1;call main_#t~mem14#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int#0(main_#t~mem14#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~nondet15#1;call write~int#2(main_#t~nondet15#1, main_~d~0#1.base, main_~d~0#1.offset, 4);havoc main_#t~nondet15#1; 284#L555-2 [2024-10-12 00:17:36,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:17:36,060 INFO L85 PathProgramCache]: Analyzing trace with hash 177626382, now seen corresponding path program 1 times [2024-10-12 00:17:36,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:17:36,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376031992] [2024-10-12 00:17:36,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:17:36,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:17:36,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-10-12 00:17:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:36,134 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:17:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:36,162 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:17:36,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:17:36,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1097577162, now seen corresponding path program 2 times [2024-10-12 00:17:36,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:17:36,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476676868] [2024-10-12 00:17:36,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:17:36,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:17:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:36,178 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:17:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:36,192 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:17:36,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:17:36,194 INFO L85 PathProgramCache]: Analyzing trace with hash -692497897, now seen corresponding path program 1 times [2024-10-12 00:17:36,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:17:36,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147878329] [2024-10-12 00:17:36,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:17:36,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:17:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:36,244 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:17:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:36,267 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:17:37,184 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:17:37,184 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:17:37,184 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:17:37,184 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:17:37,184 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:17:37,184 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:37,185 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:17:37,185 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:17:37,185 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig7a-alloca-2.i_Iteration3_Lasso [2024-10-12 00:17:37,185 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:17:37,185 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:17:37,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:37,195 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:37,198 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:37,200 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:37,203 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:37,206 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:37,584 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:37,586 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:37,588 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:37,591 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:37,593 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:37,595 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:37,597 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:37,602 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:37,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:37,608 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:37,610 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:37,613 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:37,615 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:37,915 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:17:37,915 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:17:37,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:37,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:37,917 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:37,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-12 00:17:37,920 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 [2024-10-12 00:17:37,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:37,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:37,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:37,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:37,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:37,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:37,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:37,934 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:37,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-12 00:17:37,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:37,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:37,947 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:37,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-12 00:17:37,949 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 [2024-10-12 00:17:37,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:37,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:37,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:37,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:37,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:37,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:37,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:37,961 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:37,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-10-12 00:17:37,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:37,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:37,974 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:37,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-12 00:17:37,977 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 [2024-10-12 00:17:37,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:37,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:37,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:37,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:37,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:37,991 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:37,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:37,992 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:38,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-10-12 00:17:38,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:38,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:38,004 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:38,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-12 00:17:38,006 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 [2024-10-12 00:17:38,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:38,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:38,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:38,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:38,018 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:17:38,018 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:17:38,020 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:38,031 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-12 00:17:38,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:38,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:38,033 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:38,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-12 00:17:38,035 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 [2024-10-12 00:17:38,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:38,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:38,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:38,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:38,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:38,046 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:38,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:38,047 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:38,062 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-10-12 00:17:38,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:38,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:38,064 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:38,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-12 00:17:38,067 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 [2024-10-12 00:17:38,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:38,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:38,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:38,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:38,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:17:38,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:17:38,090 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:38,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-12 00:17:38,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:38,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:38,107 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:38,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-12 00:17:38,111 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 [2024-10-12 00:17:38,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:38,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:38,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:38,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:38,126 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:17:38,126 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:17:38,131 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:38,147 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-10-12 00:17:38,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:38,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:38,150 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:38,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-12 00:17:38,152 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 [2024-10-12 00:17:38,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:38,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:38,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:38,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:38,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:38,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:38,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:38,170 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:17:38,174 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-12 00:17:38,175 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-12 00:17:38,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:38,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:38,178 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:38,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-12 00:17:38,180 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:17:38,180 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-12 00:17:38,181 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:17:38,181 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_2) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_2 Supporting invariants [] [2024-10-12 00:17:38,195 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-10-12 00:17:38,249 INFO L156 tatePredicateManager]: 22 out of 22 supporting invariants were superfluous and have been removed [2024-10-12 00:17:38,251 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-10-12 00:17:38,251 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-10-12 00:17:38,251 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x~0!base,]]] [2024-10-12 00:17:38,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:17:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:17:38,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:17:38,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:17:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:17:38,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-12 00:17:38,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:17:38,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:17:38,371 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 [2024-10-12 00:17:38,371 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 23 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:17:38,404 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 23 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 37 transitions. Complement of second has 7 states. [2024-10-12 00:17:38,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-12 00:17:38,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:17:38,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2024-10-12 00:17:38,406 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 8 letters. Loop has 6 letters. [2024-10-12 00:17:38,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:17:38,406 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 14 letters. Loop has 6 letters. [2024-10-12 00:17:38,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:17:38,407 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 8 letters. Loop has 12 letters. [2024-10-12 00:17:38,407 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:17:38,407 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2024-10-12 00:17:38,408 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-12 00:17:38,409 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 32 states and 37 transitions. [2024-10-12 00:17:38,409 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2024-10-12 00:17:38,409 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-10-12 00:17:38,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 37 transitions. [2024-10-12 00:17:38,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 00:17:38,409 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 37 transitions. [2024-10-12 00:17:38,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 37 transitions. [2024-10-12 00:17:38,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-10-12 00:17:38,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.15625) internal successors, (37), 31 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:17:38,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2024-10-12 00:17:38,412 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 37 transitions. [2024-10-12 00:17:38,412 INFO L425 stractBuchiCegarLoop]: Abstraction has 32 states and 37 transitions. [2024-10-12 00:17:38,413 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-12 00:17:38,413 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 37 transitions. [2024-10-12 00:17:38,413 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-12 00:17:38,413 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:17:38,414 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:17:38,414 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 1, 1] [2024-10-12 00:17:38,414 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-12 00:17:38,415 INFO L745 eck$LassoCheckResult]: Stem: 497#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 498#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~short10#1, main_#t~mem11#1, main_#t~short12#1, main_#t~nondet13#1, main_#t~mem14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~mem17#1, main_#t~mem18#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~d~0#1.base, main_~d~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~d~0#1.base, main_~d~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;havoc main_#t~nondet5#1;call write~int#0(main_#t~nondet5#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;call write~int#2(main_#t~nondet7#1, main_~d~0#1.base, main_~d~0#1.offset, 4);havoc main_#t~nondet7#1; 503#L555-2 call main_#t~mem8#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 500#L554-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short10#1 := main_#t~mem9#1 > 0; 515#L554-3 main_#t~short12#1 := main_#t~short10#1; 512#L554-4 assume main_#t~short12#1;call main_#t~mem11#1 := read~int#2(main_~d~0#1.base, main_~d~0#1.offset, 4);main_#t~short12#1 := main_#t~mem11#1 > 0; 511#L554-6 assume !!main_#t~short12#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;havoc main_#t~mem11#1;havoc main_#t~short12#1;havoc main_#t~nondet13#1; 508#L555 assume !(0 != main_#t~nondet13#1);havoc main_#t~nondet13#1;havoc main_#t~nondet16#1;call write~int#0(main_#t~nondet16#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet16#1;call main_#t~mem17#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int#1(main_#t~mem17#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#2(main_~d~0#1.base, main_~d~0#1.offset, 4);call write~int#2(main_#t~mem18#1 - 1, main_~d~0#1.base, main_~d~0#1.offset, 4);havoc main_#t~mem18#1; 509#L555-2 call main_#t~mem8#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 516#L554-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short10#1 := main_#t~mem9#1 > 0; 514#L554-3 main_#t~short12#1 := main_#t~short10#1; 513#L554-4 assume main_#t~short12#1;call main_#t~mem11#1 := read~int#2(main_~d~0#1.base, main_~d~0#1.offset, 4);main_#t~short12#1 := main_#t~mem11#1 > 0; 506#L554-6 assume !!main_#t~short12#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;havoc main_#t~mem11#1;havoc main_#t~short12#1;havoc main_#t~nondet13#1; 489#L555 assume !(0 != main_#t~nondet13#1);havoc main_#t~nondet13#1;havoc main_#t~nondet16#1;call write~int#0(main_#t~nondet16#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet16#1;call main_#t~mem17#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int#1(main_#t~mem17#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#2(main_~d~0#1.base, main_~d~0#1.offset, 4);call write~int#2(main_#t~mem18#1 - 1, main_~d~0#1.base, main_~d~0#1.offset, 4);havoc main_#t~mem18#1; 490#L555-2 [2024-10-12 00:17:38,415 INFO L747 eck$LassoCheckResult]: Loop: 490#L555-2 call main_#t~mem8#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 499#L554-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short10#1 := main_#t~mem9#1 > 0; 493#L554-3 main_#t~short12#1 := main_#t~short10#1; 494#L554-4 assume main_#t~short12#1;call main_#t~mem11#1 := read~int#2(main_~d~0#1.base, main_~d~0#1.offset, 4);main_#t~short12#1 := main_#t~mem11#1 > 0; 504#L554-6 assume !!main_#t~short12#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;havoc main_#t~mem11#1;havoc main_#t~short12#1;havoc main_#t~nondet13#1; 510#L555 assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1;call main_#t~mem14#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int#0(main_#t~mem14#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~nondet15#1;call write~int#2(main_#t~nondet15#1, main_~d~0#1.base, main_~d~0#1.offset, 4);havoc main_#t~nondet15#1; 490#L555-2 [2024-10-12 00:17:38,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:17:38,415 INFO L85 PathProgramCache]: Analyzing trace with hash -692497895, now seen corresponding path program 2 times [2024-10-12 00:17:38,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:17:38,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92855084] [2024-10-12 00:17:38,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:17:38,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:17:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:38,442 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:17:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:38,462 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:17:38,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:17:38,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1097577162, now seen corresponding path program 3 times [2024-10-12 00:17:38,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:17:38,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325977303] [2024-10-12 00:17:38,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:17:38,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:17:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:38,474 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:17:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:38,481 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:17:38,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:17:38,484 INFO L85 PathProgramCache]: Analyzing trace with hash 502600418, now seen corresponding path program 2 times [2024-10-12 00:17:38,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:17:38,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949242870] [2024-10-12 00:17:38,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:17:38,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:17:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:38,512 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:17:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:38,537 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:17:38,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-10-12 00:17:39,813 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:17:39,814 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:17:39,814 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:17:39,814 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:17:39,814 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:17:39,814 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:39,814 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:17:39,814 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:17:39,814 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig7a-alloca-2.i_Iteration4_Lasso [2024-10-12 00:17:39,814 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:17:39,814 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:17:39,816 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:40,210 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:40,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:40,215 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:40,217 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:40,219 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:40,221 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:40,223 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:40,225 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:40,227 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:40,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:40,231 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:40,233 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:40,235 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:40,238 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:40,240 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:40,242 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:40,244 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:40,246 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:40,563 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:17:40,564 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:17:40,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:40,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:40,566 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:40,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-12 00:17:40,568 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 [2024-10-12 00:17:40,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:40,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:40,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:40,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:40,581 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:17:40,581 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:17:40,585 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:40,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-12 00:17:40,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:40,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:40,598 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:40,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-12 00:17:40,600 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 [2024-10-12 00:17:40,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:40,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:40,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:40,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:40,613 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:17:40,613 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:17:40,617 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:40,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-10-12 00:17:40,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:40,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:40,629 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:40,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-12 00:17:40,630 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 [2024-10-12 00:17:40,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:40,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:40,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:40,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:40,644 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:17:40,644 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:17:40,649 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:40,659 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-10-12 00:17:40,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:40,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:40,661 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:40,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-12 00:17:40,662 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 [2024-10-12 00:17:40,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:40,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:40,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:40,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:40,678 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:17:40,678 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:17:40,686 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:40,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-10-12 00:17:40,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:40,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:40,704 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:40,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-12 00:17:40,706 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 [2024-10-12 00:17:40,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:40,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:40,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:40,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:40,719 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:17:40,719 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:17:40,722 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:40,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-10-12 00:17:40,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:40,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:40,734 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:40,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-12 00:17:40,735 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 [2024-10-12 00:17:40,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:40,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:40,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:40,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:40,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:17:40,746 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:17:40,749 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:40,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-10-12 00:17:40,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:40,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:40,761 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:40,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-12 00:17:40,762 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 [2024-10-12 00:17:40,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:40,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:40,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:40,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:40,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:17:40,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:17:40,779 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:40,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-10-12 00:17:40,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:40,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:40,794 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:40,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-12 00:17:40,798 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 [2024-10-12 00:17:40,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:40,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:40,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:40,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:40,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:17:40,811 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:17:40,816 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:17:40,825 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-10-12 00:17:40,825 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-10-12 00:17:40,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:40,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:40,826 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:40,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-12 00:17:40,827 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:17:40,838 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-12 00:17:40,838 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:17:40,838 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x~0#1.base) 0)_2) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x~0#1.base) 0)_2 Supporting invariants [] [2024-10-12 00:17:40,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-10-12 00:17:40,898 INFO L156 tatePredicateManager]: 22 out of 23 supporting invariants were superfluous and have been removed [2024-10-12 00:17:40,900 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-10-12 00:17:40,900 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-10-12 00:17:40,900 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x~0!base,]]] [2024-10-12 00:17:40,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:17:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:17:40,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-12 00:17:40,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:17:41,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-10-12 00:17:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:17:41,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-12 00:17:41,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:17:41,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:17:41,138 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 [2024-10-12 00:17:41,138 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 37 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:17:41,199 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 37 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 42 states and 49 transitions. Complement of second has 8 states. [2024-10-12 00:17:41,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-12 00:17:41,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:17:41,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2024-10-12 00:17:41,202 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 14 letters. Loop has 6 letters. [2024-10-12 00:17:41,202 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:17:41,202 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-12 00:17:41,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:17:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:17:41,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-12 00:17:41,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:17:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:17:41,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-12 00:17:41,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:17:41,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:17:41,394 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 [2024-10-12 00:17:41,394 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 37 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:17:41,451 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 37 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 42 states and 49 transitions. Complement of second has 8 states. [2024-10-12 00:17:41,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-12 00:17:41,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:17:41,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2024-10-12 00:17:41,453 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 14 letters. Loop has 6 letters. [2024-10-12 00:17:41,453 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:17:41,453 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-12 00:17:41,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:17:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:17:41,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-12 00:17:41,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:17:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:17:41,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-12 00:17:41,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:17:41,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:17:41,615 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 [2024-10-12 00:17:41,616 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 37 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:17:41,666 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 37 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 56 transitions. Complement of second has 7 states. [2024-10-12 00:17:41,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-12 00:17:41,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:17:41,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2024-10-12 00:17:41,667 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 14 letters. Loop has 6 letters. [2024-10-12 00:17:41,668 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:17:41,668 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 20 letters. Loop has 6 letters. [2024-10-12 00:17:41,668 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:17:41,668 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 14 letters. Loop has 12 letters. [2024-10-12 00:17:41,668 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:17:41,669 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 56 transitions. [2024-10-12 00:17:41,670 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-10-12 00:17:41,671 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 38 states and 44 transitions. [2024-10-12 00:17:41,671 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2024-10-12 00:17:41,671 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-10-12 00:17:41,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 44 transitions. [2024-10-12 00:17:41,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 00:17:41,671 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 44 transitions. [2024-10-12 00:17:41,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 44 transitions. [2024-10-12 00:17:41,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 14. [2024-10-12 00:17:41,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:17:41,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2024-10-12 00:17:41,674 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 16 transitions. [2024-10-12 00:17:41,674 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2024-10-12 00:17:41,674 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-12 00:17:41,674 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 16 transitions. [2024-10-12 00:17:41,674 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-10-12 00:17:41,675 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:17:41,675 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:17:41,675 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:17:41,675 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-12 00:17:41,675 INFO L745 eck$LassoCheckResult]: Stem: 989#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 990#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~short10#1, main_#t~mem11#1, main_#t~short12#1, main_#t~nondet13#1, main_#t~mem14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~mem17#1, main_#t~mem18#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~d~0#1.base, main_~d~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~d~0#1.base, main_~d~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;havoc main_#t~nondet5#1;call write~int#0(main_#t~nondet5#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;call write~int#2(main_#t~nondet7#1, main_~d~0#1.base, main_~d~0#1.offset, 4);havoc main_#t~nondet7#1; 982#L555-2 [2024-10-12 00:17:41,675 INFO L747 eck$LassoCheckResult]: Loop: 982#L555-2 call main_#t~mem8#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 991#L554-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short10#1 := main_#t~mem9#1 > 0; 985#L554-3 main_#t~short12#1 := main_#t~short10#1; 986#L554-4 assume main_#t~short12#1;call main_#t~mem11#1 := read~int#2(main_~d~0#1.base, main_~d~0#1.offset, 4);main_#t~short12#1 := main_#t~mem11#1 > 0; 993#L554-6 assume !!main_#t~short12#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;havoc main_#t~mem11#1;havoc main_#t~short12#1;havoc main_#t~nondet13#1; 981#L555 assume !(0 != main_#t~nondet13#1);havoc main_#t~nondet13#1;havoc main_#t~nondet16#1;call write~int#0(main_#t~nondet16#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet16#1;call main_#t~mem17#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int#1(main_#t~mem17#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#2(main_~d~0#1.base, main_~d~0#1.offset, 4);call write~int#2(main_#t~mem18#1 - 1, main_~d~0#1.base, main_~d~0#1.offset, 4);havoc main_#t~mem18#1; 982#L555-2 [2024-10-12 00:17:41,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:17:41,676 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2024-10-12 00:17:41,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:17:41,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145091926] [2024-10-12 00:17:41,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:17:41,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:17:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:41,695 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:17:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:41,711 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:17:41,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:17:41,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1097577164, now seen corresponding path program 1 times [2024-10-12 00:17:41,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:17:41,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829712962] [2024-10-12 00:17:41,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:17:41,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:17:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:41,722 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:17:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:41,729 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:17:41,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:17:41,729 INFO L85 PathProgramCache]: Analyzing trace with hash 177626382, now seen corresponding path program 3 times [2024-10-12 00:17:41,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:17:41,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079262932] [2024-10-12 00:17:41,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:17:41,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:17:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:41,751 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:17:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:41,768 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:17:42,280 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:17:42,280 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:17:42,280 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:17:42,280 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:17:42,281 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:17:42,281 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:42,281 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:17:42,281 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:17:42,281 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig7a-alloca-2.i_Iteration5_Lasso [2024-10-12 00:17:42,281 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:17:42,281 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:17:42,284 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:42,287 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:42,288 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:42,290 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:42,291 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:42,293 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:42,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:42,298 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:42,300 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:42,302 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:42,304 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:42,307 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:42,309 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:42,575 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:42,577 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:42,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:42,581 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:42,582 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:42,584 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:42,828 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:17:42,828 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:17:42,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:42,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:42,831 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:42,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-12 00:17:42,833 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 [2024-10-12 00:17:42,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:42,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:42,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:42,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:42,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:42,845 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:42,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:42,846 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:42,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-10-12 00:17:42,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:42,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:42,863 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:42,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-12 00:17:42,865 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 [2024-10-12 00:17:42,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:42,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:42,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:42,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:42,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:42,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:42,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:42,882 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:42,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-10-12 00:17:42,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:42,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:42,894 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:42,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-12 00:17:42,896 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 [2024-10-12 00:17:42,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:42,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:42,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:42,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:42,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:42,908 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:42,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:42,909 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:42,920 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-10-12 00:17:42,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:42,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:42,921 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:42,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-12 00:17:42,922 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 [2024-10-12 00:17:42,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:42,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:42,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:42,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:42,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:42,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:42,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:42,934 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:42,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-10-12 00:17:42,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:42,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:42,946 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:42,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-12 00:17:42,947 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 [2024-10-12 00:17:42,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:42,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:42,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:42,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:42,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:42,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:42,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:42,964 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:42,977 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-10-12 00:17:42,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:42,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:42,979 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:42,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-12 00:17:42,981 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 [2024-10-12 00:17:42,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:42,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:42,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:42,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:42,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:42,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:42,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:42,994 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:43,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-10-12 00:17:43,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:43,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:43,010 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:43,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-12 00:17:43,013 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 [2024-10-12 00:17:43,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:43,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:43,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:43,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:43,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:43,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:43,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:43,031 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:43,047 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-10-12 00:17:43,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:43,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:43,049 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:43,052 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 [2024-10-12 00:17:43,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-12 00:17:43,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:43,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:43,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:43,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:43,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:43,066 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:43,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:43,068 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:43,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-10-12 00:17:43,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:43,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:43,085 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:43,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-12 00:17:43,087 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 [2024-10-12 00:17:43,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:43,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:43,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:43,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:43,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:43,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:43,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:43,101 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:43,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-10-12 00:17:43,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:43,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:43,114 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:43,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-10-12 00:17:43,115 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 [2024-10-12 00:17:43,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:43,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:43,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:43,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:43,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:43,126 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:43,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:43,127 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:43,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-10-12 00:17:43,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:43,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:43,140 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:43,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-10-12 00:17:43,141 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 [2024-10-12 00:17:43,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:43,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:43,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:43,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:43,153 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:17:43,154 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:17:43,156 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:43,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-10-12 00:17:43,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:43,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:43,168 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:43,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-10-12 00:17:43,170 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 [2024-10-12 00:17:43,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:43,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:43,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:43,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:43,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:43,180 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:43,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:43,182 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:43,193 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-10-12 00:17:43,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:43,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:43,194 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:43,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-10-12 00:17:43,196 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 [2024-10-12 00:17:43,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:43,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:43,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:43,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:43,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:43,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:43,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:43,210 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:17:43,211 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-12 00:17:43,212 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-12 00:17:43,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:43,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:43,213 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:43,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-10-12 00:17:43,215 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:17:43,215 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-12 00:17:43,215 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:17:43,215 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_4) = 1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_4 Supporting invariants [] [2024-10-12 00:17:43,226 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-10-12 00:17:43,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-10-12 00:17:43,287 INFO L156 tatePredicateManager]: 22 out of 22 supporting invariants were superfluous and have been removed [2024-10-12 00:17:43,288 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-10-12 00:17:43,288 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-10-12 00:17:43,288 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~y~0!base,]]] [2024-10-12 00:17:43,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:17:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:17:43,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:17:43,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:17:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:17:43,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-12 00:17:43,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:17:43,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:17:43,389 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2024-10-12 00:17:43,389 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 16 transitions. cyclomatic complexity: 3 Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:17:43,425 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 16 transitions. cyclomatic complexity: 3. Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 45 transitions. Complement of second has 10 states. [2024-10-12 00:17:43,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2024-10-12 00:17:43,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:17:43,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13 transitions. [2024-10-12 00:17:43,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 2 letters. Loop has 6 letters. [2024-10-12 00:17:43,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:17:43,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 8 letters. Loop has 6 letters. [2024-10-12 00:17:43,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:17:43,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 2 letters. Loop has 12 letters. [2024-10-12 00:17:43,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:17:43,428 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 45 transitions. [2024-10-12 00:17:43,428 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-12 00:17:43,428 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 0 states and 0 transitions. [2024-10-12 00:17:43,429 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-12 00:17:43,429 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-12 00:17:43,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-12 00:17:43,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:17:43,429 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:17:43,429 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:17:43,429 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:17:43,429 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-12 00:17:43,429 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-12 00:17:43,429 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-12 00:17:43,429 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-12 00:17:43,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 12:17:43 BoogieIcfgContainer [2024-10-12 00:17:43,436 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-12 00:17:43,436 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 00:17:43,436 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 00:17:43,437 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 00:17:43,437 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:17:32" (3/4) ... [2024-10-12 00:17:43,438 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-12 00:17:43,440 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 00:17:43,440 INFO L158 Benchmark]: Toolchain (without parser) took 11946.89ms. Allocated memory was 167.8MB in the beginning and 249.6MB in the end (delta: 81.8MB). Free memory was 118.4MB in the beginning and 187.9MB in the end (delta: -69.5MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-10-12 00:17:43,440 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 167.8MB. Free memory is still 129.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:17:43,441 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.97ms. Allocated memory is still 167.8MB. Free memory was 117.9MB in the beginning and 100.4MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-12 00:17:43,441 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.60ms. Allocated memory is still 167.8MB. Free memory was 100.4MB in the beginning and 98.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:17:43,441 INFO L158 Benchmark]: Boogie Preprocessor took 59.00ms. Allocated memory is still 167.8MB. Free memory was 98.5MB in the beginning and 96.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:17:43,441 INFO L158 Benchmark]: RCFGBuilder took 396.68ms. Allocated memory is still 167.8MB. Free memory was 96.4MB in the beginning and 83.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-12 00:17:43,441 INFO L158 Benchmark]: BuchiAutomizer took 11005.91ms. Allocated memory was 167.8MB in the beginning and 249.6MB in the end (delta: 81.8MB). Free memory was 82.7MB in the beginning and 187.9MB in the end (delta: -105.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:17:43,442 INFO L158 Benchmark]: Witness Printer took 3.20ms. Allocated memory is still 249.6MB. Free memory is still 187.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:17:43,443 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 167.8MB. Free memory is still 129.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 428.97ms. Allocated memory is still 167.8MB. Free memory was 117.9MB in the beginning and 100.4MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.60ms. Allocated memory is still 167.8MB. Free memory was 100.4MB in the beginning and 98.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.00ms. Allocated memory is still 167.8MB. Free memory was 98.5MB in the beginning and 96.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 396.68ms. Allocated memory is still 167.8MB. Free memory was 96.4MB in the beginning and 83.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 11005.91ms. Allocated memory was 167.8MB in the beginning and 249.6MB in the end (delta: 81.8MB). Free memory was 82.7MB in the beginning and 187.9MB in the end (delta: -105.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.20ms. Allocated memory is still 249.6MB. Free memory is still 187.9MB. 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[~x~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: 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[~y~0!base,]]] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (1 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 6 locations. One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 6 locations. One nondeterministic module has affine ranking function null and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.9s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 9.3s. Construction of modules took 0.1s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 25 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 [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 108 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 106 mSDsluCounter, 111 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 97 IncrementalHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 67 mSDtfsCounter, 97 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital254 mio100 ax107 hnf100 lsp93 ukn68 mio100 lsp21 div100 bol100 ite100 ukn100 eq163 hnf90 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-12 00:17:43,466 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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