./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/c.08-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/c.08-alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 461dc838a66b90dbc84e0c687808dbd6d568e1b4ffb694b9909dedb46b2980b4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 23:54:11,596 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 23:54:11,650 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-24 23:54:11,658 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 23:54:11,659 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 23:54:11,685 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 23:54:11,685 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 23:54:11,685 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 23:54:11,686 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 23:54:11,689 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 23:54:11,690 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 23:54:11,690 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 23:54:11,690 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 23:54:11,690 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-24 23:54:11,691 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-24 23:54:11,691 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-24 23:54:11,691 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-24 23:54:11,691 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-24 23:54:11,691 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-24 23:54:11,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 23:54:11,692 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-24 23:54:11,693 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 23:54:11,694 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 23:54:11,694 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-24 23:54:11,694 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-24 23:54:11,694 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-24 23:54:11,694 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 23:54:11,695 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 23:54:11,695 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 23:54:11,695 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-24 23:54:11,695 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 23:54:11,695 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 23:54:11,695 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 23:54:11,695 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 23:54:11,696 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 23:54:11,696 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-24 23:54:11,696 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 461dc838a66b90dbc84e0c687808dbd6d568e1b4ffb694b9909dedb46b2980b4 [2024-10-24 23:54:11,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 23:54:11,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 23:54:11,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 23:54:11,908 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 23:54:11,908 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 23:54:11,909 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/c.08-alloca.i [2024-10-24 23:54:13,065 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 23:54:13,239 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 23:54:13,240 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/c.08-alloca.i [2024-10-24 23:54:13,248 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34898964f/a02e8682328b4877b5724e4ec646ef63/FLAGe14f60057 [2024-10-24 23:54:13,635 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34898964f/a02e8682328b4877b5724e4ec646ef63 [2024-10-24 23:54:13,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 23:54:13,638 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 23:54:13,639 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 23:54:13,639 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 23:54:13,643 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 23:54:13,644 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:54:13" (1/1) ... [2024-10-24 23:54:13,644 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33187991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:54:13, skipping insertion in model container [2024-10-24 23:54:13,644 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:54:13" (1/1) ... [2024-10-24 23:54:13,675 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 23:54:13,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:54:13,926 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 23:54:13,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:54:13,980 INFO L204 MainTranslator]: Completed translation [2024-10-24 23:54:13,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:54:13 WrapperNode [2024-10-24 23:54:13,981 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 23:54:13,982 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 23:54:13,982 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 23:54:13,982 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 23:54:13,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:54:13" (1/1) ... [2024-10-24 23:54:13,995 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:54:13" (1/1) ... [2024-10-24 23:54:14,007 INFO L138 Inliner]: procedures = 111, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2024-10-24 23:54:14,009 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 23:54:14,010 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 23:54:14,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 23:54:14,011 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 23:54:14,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:54:13" (1/1) ... [2024-10-24 23:54:14,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:54:13" (1/1) ... [2024-10-24 23:54:14,019 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:54:13" (1/1) ... [2024-10-24 23:54:14,028 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0, 0]. The 6 writes are split as follows [1, 3, 2]. [2024-10-24 23:54:14,028 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:54:13" (1/1) ... [2024-10-24 23:54:14,028 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:54:13" (1/1) ... [2024-10-24 23:54:14,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:54:13" (1/1) ... [2024-10-24 23:54:14,033 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:54:13" (1/1) ... [2024-10-24 23:54:14,033 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:54:13" (1/1) ... [2024-10-24 23:54:14,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:54:13" (1/1) ... [2024-10-24 23:54:14,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 23:54:14,038 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 23:54:14,038 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 23:54:14,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 23:54:14,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:54:13" (1/1) ... [2024-10-24 23:54:14,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:14,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:14,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:14,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-24 23:54:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 23:54:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 23:54:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 23:54:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 23:54:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 23:54:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 23:54:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 23:54:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 23:54:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 23:54:14,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 23:54:14,206 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 23:54:14,208 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 23:54:14,324 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-24 23:54:14,326 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 23:54:14,337 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 23:54:14,338 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-24 23:54:14,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:54:14 BoogieIcfgContainer [2024-10-24 23:54:14,338 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 23:54:14,340 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-24 23:54:14,340 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-24 23:54:14,343 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-24 23:54:14,343 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-24 23:54:14,344 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.10 11:54:13" (1/3) ... [2024-10-24 23:54:14,345 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@584007ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.10 11:54:14, skipping insertion in model container [2024-10-24 23:54:14,345 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-24 23:54:14,345 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:54:13" (2/3) ... [2024-10-24 23:54:14,345 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@584007ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.10 11:54:14, skipping insertion in model container [2024-10-24 23:54:14,345 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-24 23:54:14,346 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:54:14" (3/3) ... [2024-10-24 23:54:14,347 INFO L332 chiAutomizerObserver]: Analyzing ICFG c.08-alloca.i [2024-10-24 23:54:14,388 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-24 23:54:14,388 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-24 23:54:14,388 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-24 23:54:14,389 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-24 23:54:14,389 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-24 23:54:14,389 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-24 23:54:14,389 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-24 23:54:14,390 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-24 23:54:14,393 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 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) [2024-10-24 23:54:14,404 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-24 23:54:14,405 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-24 23:54:14,405 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-24 23:54:14,408 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-24 23:54:14,408 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-24 23:54:14,408 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-24 23:54:14,408 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 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) [2024-10-24 23:54:14,409 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-24 23:54:14,410 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-24 23:54:14,410 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-24 23:54:14,410 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-24 23:54:14,410 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-24 23:54:14,415 INFO L745 eck$LassoCheckResult]: Stem: 5#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~ret13#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;assume { :begin_inline_test_fun } true;test_fun_#in~i#1, test_fun_#in~j#1 := main_#t~nondet11#1, main_#t~nondet12#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem5#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_~i#1, test_fun_~j#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~i#1 := test_fun_#in~i#1;test_fun_~j#1 := test_fun_#in~j#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int#2(test_fun_~i#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int#1(test_fun_~j#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int#0(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 3#L555-3true [2024-10-24 23:54:14,415 INFO L747 eck$LassoCheckResult]: Loop: 3#L555-3true call test_fun_#t~mem5#1 := read~int#2(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 10#L555-1true assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int#1(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 8#L557-3true assume !true; 12#L557-4true call test_fun_#t~mem9#1 := read~int#2(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int#2(test_fun_#t~mem9#1 - 1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1; 3#L555-3true [2024-10-24 23:54:14,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:54:14,419 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-24 23:54:14,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:54:14,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480649239] [2024-10-24 23:54:14,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:54:14,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:54:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:54:14,516 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:54:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:54:14,554 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:54:14,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:54:14,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1144360, now seen corresponding path program 1 times [2024-10-24 23:54:14,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:54:14,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924406766] [2024-10-24 23:54:14,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:54:14,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:54:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:54:14,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:54:14,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:54:14,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924406766] [2024-10-24 23:54:14,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924406766] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:54:14,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:54:14,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:54:14,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685010036] [2024-10-24 23:54:14,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:54:14,598 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-24 23:54:14,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:54:14,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 23:54:14,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 23:54:14,623 INFO L87 Difference]: Start difference. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 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) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2024-10-24 23:54:14,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:54:14,627 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2024-10-24 23:54:14,627 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2024-10-24 23:54:14,628 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-24 23:54:14,630 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 7 states and 8 transitions. [2024-10-24 23:54:14,631 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-10-24 23:54:14,631 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-10-24 23:54:14,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2024-10-24 23:54:14,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-24 23:54:14,632 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2024-10-24 23:54:14,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2024-10-24 23:54:14,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2024-10-24 23:54:14,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) 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) [2024-10-24 23:54:14,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2024-10-24 23:54:14,648 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2024-10-24 23:54:14,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 23:54:14,651 INFO L425 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2024-10-24 23:54:14,652 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-24 23:54:14,652 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2024-10-24 23:54:14,652 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-24 23:54:14,652 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-24 23:54:14,652 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-24 23:54:14,653 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-24 23:54:14,653 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-10-24 23:54:14,653 INFO L745 eck$LassoCheckResult]: Stem: 34#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 35#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~ret13#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;assume { :begin_inline_test_fun } true;test_fun_#in~i#1, test_fun_#in~j#1 := main_#t~nondet11#1, main_#t~nondet12#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem5#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_~i#1, test_fun_~j#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~i#1 := test_fun_#in~i#1;test_fun_~j#1 := test_fun_#in~j#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int#2(test_fun_~i#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int#1(test_fun_~j#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int#0(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 32#L555-3 [2024-10-24 23:54:14,653 INFO L747 eck$LassoCheckResult]: Loop: 32#L555-3 call test_fun_#t~mem5#1 := read~int#2(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 33#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int#1(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 36#L557-3 call test_fun_#t~mem7#1 := read~int#1(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#2(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 37#L557-1 assume !(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1; 38#L557-4 call test_fun_#t~mem9#1 := read~int#2(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int#2(test_fun_#t~mem9#1 - 1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1; 32#L555-3 [2024-10-24 23:54:14,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:54:14,654 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2024-10-24 23:54:14,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:54:14,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417315273] [2024-10-24 23:54:14,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:54:14,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:54:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:54:14,682 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:54:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:54:14,731 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:54:14,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:54:14,731 INFO L85 PathProgramCache]: Analyzing trace with hash 35468273, now seen corresponding path program 1 times [2024-10-24 23:54:14,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:54:14,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455250734] [2024-10-24 23:54:14,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:54:14,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:54:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:54:14,777 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:54:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:54:14,790 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:54:14,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:54:14,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907759, now seen corresponding path program 1 times [2024-10-24 23:54:14,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:54:14,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148541959] [2024-10-24 23:54:14,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:54:14,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:54:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:54:14,834 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:54:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:54:14,854 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:54:15,347 INFO L204 LassoAnalysis]: Preferences: [2024-10-24 23:54:15,348 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-24 23:54:15,348 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-24 23:54:15,348 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-24 23:54:15,348 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-24 23:54:15,348 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:15,348 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-24 23:54:15,348 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-24 23:54:15,348 INFO L132 ssoRankerPreferences]: Filename of dumped script: c.08-alloca.i_Iteration2_Lasso [2024-10-24 23:54:15,348 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-24 23:54:15,348 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-24 23:54:15,361 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:15,367 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:15,369 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:15,371 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:15,373 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:15,375 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:15,377 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:15,379 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:15,381 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:15,383 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:15,759 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:15,762 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:15,764 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:16,088 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-24 23:54:16,091 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-24 23:54:16,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:16,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:16,096 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:16,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-24 23:54:16,099 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 [2024-10-24 23:54:16,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:16,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-24 23:54:16,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:16,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:16,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:16,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-24 23:54:16,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-24 23:54:16,113 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:16,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-24 23:54:16,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:16,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:16,125 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:16,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-24 23:54:16,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-24 23:54:16,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:16,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-24 23:54:16,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:16,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:16,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:16,136 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-24 23:54:16,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-24 23:54:16,138 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:16,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-10-24 23:54:16,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:16,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:16,149 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:16,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-24 23:54:16,150 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 [2024-10-24 23:54:16,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:16,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-24 23:54:16,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:16,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:16,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:16,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-24 23:54:16,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-24 23:54:16,163 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:16,172 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-24 23:54:16,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:16,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:16,174 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:16,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-24 23:54:16,175 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 [2024-10-24 23:54:16,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:16,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-24 23:54:16,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:16,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:16,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:16,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-24 23:54:16,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-24 23:54:16,187 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:16,197 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-24 23:54:16,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:16,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:16,198 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:16,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-24 23:54:16,200 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 [2024-10-24 23:54:16,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:16,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-24 23:54:16,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:16,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:16,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:16,210 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-24 23:54:16,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-24 23:54:16,211 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:16,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-10-24 23:54:16,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:16,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:16,223 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:16,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-24 23:54:16,225 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 [2024-10-24 23:54:16,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:16,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-24 23:54:16,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:16,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:16,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:16,236 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-24 23:54:16,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-24 23:54:16,237 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:16,247 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-24 23:54:16,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:16,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:16,248 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:16,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-24 23:54:16,250 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 [2024-10-24 23:54:16,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:16,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:16,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:16,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:16,263 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:54:16,263 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:54:16,265 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:16,276 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-24 23:54:16,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:16,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:16,278 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:16,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-24 23:54:16,279 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 [2024-10-24 23:54:16,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:16,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-24 23:54:16,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:16,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:16,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:16,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-24 23:54:16,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-24 23:54:16,291 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:16,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-10-24 23:54:16,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:16,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:16,303 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:16,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-24 23:54:16,304 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 [2024-10-24 23:54:16,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:16,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:16,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:16,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:16,319 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:54:16,319 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:54:16,322 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:16,332 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-24 23:54:16,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:16,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:16,334 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:16,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-24 23:54:16,339 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 [2024-10-24 23:54:16,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:16,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:16,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:16,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:16,352 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:54:16,352 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:54:16,356 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:16,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-10-24 23:54:16,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:16,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:16,367 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:16,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-24 23:54:16,368 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 [2024-10-24 23:54:16,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:16,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:16,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:16,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:16,380 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:54:16,380 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:54:16,382 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:16,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-10-24 23:54:16,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:16,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:16,393 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:16,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-24 23:54:16,394 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 [2024-10-24 23:54:16,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:16,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:16,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:16,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:16,407 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:54:16,407 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:54:16,411 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:16,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-10-24 23:54:16,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:16,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:16,423 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:16,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-24 23:54:16,425 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 [2024-10-24 23:54:16,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:16,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:16,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:16,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:16,436 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:54:16,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:54:16,438 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:16,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-10-24 23:54:16,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:16,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:16,451 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:16,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-24 23:54:16,453 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 [2024-10-24 23:54:16,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:16,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:16,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:16,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:16,466 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:54:16,466 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:54:16,469 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:16,479 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-24 23:54:16,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:16,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:16,482 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:16,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-24 23:54:16,484 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 [2024-10-24 23:54:16,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:16,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:16,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:16,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:16,497 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:54:16,497 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:54:16,500 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:16,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-10-24 23:54:16,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:16,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:16,512 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:16,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-24 23:54:16,513 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 [2024-10-24 23:54:16,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:16,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:16,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:16,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:16,526 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:54:16,526 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:54:16,531 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:16,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-10-24 23:54:16,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:16,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:16,546 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:16,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-24 23:54:16,548 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 [2024-10-24 23:54:16,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:16,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:16,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:16,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:16,565 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:54:16,565 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:54:16,571 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-24 23:54:16,586 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-10-24 23:54:16,586 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-10-24 23:54:16,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:16,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:16,605 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:16,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-24 23:54:16,606 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-24 23:54:16,618 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-24 23:54:16,618 INFO L474 LassoAnalysis]: Proved termination. [2024-10-24 23:54:16,619 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#2 ULTIMATE.start_test_fun_~i_ref~0#1.base) ULTIMATE.start_test_fun_~i_ref~0#1.offset)_1) = 2*v_rep(select (select #memory_int#2 ULTIMATE.start_test_fun_~i_ref~0#1.base) ULTIMATE.start_test_fun_~i_ref~0#1.offset)_1 + 1 Supporting invariants [] [2024-10-24 23:54:16,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-10-24 23:54:16,678 INFO L156 tatePredicateManager]: 22 out of 22 supporting invariants were superfluous and have been removed [2024-10-24 23:54:16,684 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-10-24 23:54:16,685 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-10-24 23:54:16,685 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~i_ref~0!base,]]] [2024-10-24 23:54:16,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:54:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:54:16,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 23:54:16,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:54:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:54:16,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 23:54:16,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:54:16,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:54:16,792 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 [2024-10-24 23:54:16,794 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-10-24 23:54:16,838 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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 12 states and 15 transitions. Complement of second has 6 states. [2024-10-24 23:54:16,839 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 [2024-10-24 23:54:16,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-10-24 23:54:16,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-10-24 23:54:16,841 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 5 letters. [2024-10-24 23:54:16,844 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-24 23:54:16,844 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 7 letters. Loop has 5 letters. [2024-10-24 23:54:16,844 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-24 23:54:16,844 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 10 letters. [2024-10-24 23:54:16,844 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-24 23:54:16,844 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2024-10-24 23:54:16,845 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-24 23:54:16,845 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 11 states and 14 transitions. [2024-10-24 23:54:16,845 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-10-24 23:54:16,845 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-10-24 23:54:16,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2024-10-24 23:54:16,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-24 23:54:16,845 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-10-24 23:54:16,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2024-10-24 23:54:16,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-10-24 23:54:16,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 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) [2024-10-24 23:54:16,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2024-10-24 23:54:16,846 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-10-24 23:54:16,846 INFO L425 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-10-24 23:54:16,846 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-24 23:54:16,846 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2024-10-24 23:54:16,846 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-24 23:54:16,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-24 23:54:16,847 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-24 23:54:16,848 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-24 23:54:16,848 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-24 23:54:16,848 INFO L745 eck$LassoCheckResult]: Stem: 187#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 188#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~ret13#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;assume { :begin_inline_test_fun } true;test_fun_#in~i#1, test_fun_#in~j#1 := main_#t~nondet11#1, main_#t~nondet12#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem5#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_~i#1, test_fun_~j#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~i#1 := test_fun_#in~i#1;test_fun_~j#1 := test_fun_#in~j#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int#2(test_fun_~i#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int#1(test_fun_~j#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int#0(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 183#L555-3 call test_fun_#t~mem5#1 := read~int#2(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 185#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int#1(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 189#L557-3 [2024-10-24 23:54:16,848 INFO L747 eck$LassoCheckResult]: Loop: 189#L557-3 call test_fun_#t~mem7#1 := read~int#1(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#2(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 190#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int#1(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int#1(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 189#L557-3 [2024-10-24 23:54:16,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:54:16,851 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2024-10-24 23:54:16,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:54:16,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882411769] [2024-10-24 23:54:16,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:54:16,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:54:16,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:54:16,874 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:54:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:54:16,891 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:54:16,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:54:16,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1510, now seen corresponding path program 1 times [2024-10-24 23:54:16,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:54:16,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111361156] [2024-10-24 23:54:16,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:54:16,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:54:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:54:16,903 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:54:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:54:16,911 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:54:16,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:54:16,912 INFO L85 PathProgramCache]: Analyzing trace with hash 889571341, now seen corresponding path program 1 times [2024-10-24 23:54:16,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:54:16,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452243235] [2024-10-24 23:54:16,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:54:16,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:54:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:54:16,935 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:54:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:54:16,955 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:54:17,064 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-10-24 23:54:17,620 INFO L204 LassoAnalysis]: Preferences: [2024-10-24 23:54:17,621 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-24 23:54:17,621 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-24 23:54:17,621 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-24 23:54:17,621 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-24 23:54:17,621 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:17,621 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-24 23:54:17,621 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-24 23:54:17,621 INFO L132 ssoRankerPreferences]: Filename of dumped script: c.08-alloca.i_Iteration3_Lasso [2024-10-24 23:54:17,621 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-24 23:54:17,621 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-24 23:54:17,623 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:17,626 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:17,628 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:17,854 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:17,857 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:17,858 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:17,861 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:17,862 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:17,864 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:17,865 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:17,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:17,869 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:17,871 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:18,103 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-24 23:54:18,103 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-24 23:54:18,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:18,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:18,105 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:18,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-24 23:54:18,109 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 [2024-10-24 23:54:18,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:18,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-24 23:54:18,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:18,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:18,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:18,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-24 23:54:18,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-24 23:54:18,121 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:18,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-10-24 23:54:18,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:18,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:18,133 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:18,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-24 23:54:18,135 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 [2024-10-24 23:54:18,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:18,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-24 23:54:18,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:18,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:18,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:18,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-24 23:54:18,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-24 23:54:18,146 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:18,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-24 23:54:18,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:18,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:18,158 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:18,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-24 23:54:18,159 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 [2024-10-24 23:54:18,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:18,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:18,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:18,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:18,171 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:54:18,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:54:18,177 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:18,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-10-24 23:54:18,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:18,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:18,189 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:18,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-24 23:54:18,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-24 23:54:18,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:18,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:18,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:18,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:18,205 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:54:18,205 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:54:18,212 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:18,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-10-24 23:54:18,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:18,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:18,224 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:18,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-24 23:54:18,226 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 [2024-10-24 23:54:18,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:18,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:18,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:18,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:18,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:54:18,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:54:18,239 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:18,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-10-24 23:54:18,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:18,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:18,252 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:18,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-24 23:54:18,254 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 [2024-10-24 23:54:18,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:18,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:18,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:18,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:18,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:54:18,265 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:54:18,270 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:18,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-10-24 23:54:18,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:18,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:18,283 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:18,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-24 23:54:18,284 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 [2024-10-24 23:54:18,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:18,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:18,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:18,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:18,297 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:54:18,297 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:54:18,301 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:18,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-10-24 23:54:18,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:18,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:18,313 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:18,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-24 23:54:18,315 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 [2024-10-24 23:54:18,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:18,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:18,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:18,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:18,327 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:54:18,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:54:18,331 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:18,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-10-24 23:54:18,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:18,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:18,343 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:18,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-24 23:54:18,345 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 [2024-10-24 23:54:18,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:18,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:18,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:18,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:18,357 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:54:18,357 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:54:18,361 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:18,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-10-24 23:54:18,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:18,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:18,374 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:18,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-24 23:54:18,377 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 [2024-10-24 23:54:18,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:18,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:18,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:18,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:18,393 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:54:18,393 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:54:18,398 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:18,408 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-10-24 23:54:18,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:18,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:18,410 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:18,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-24 23:54:18,412 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 [2024-10-24 23:54:18,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:18,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:18,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:18,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:18,424 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:54:18,424 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:54:18,428 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:18,438 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-10-24 23:54:18,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:18,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:18,440 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:18,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-24 23:54:18,442 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 [2024-10-24 23:54:18,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:18,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:18,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:18,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:18,455 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:54:18,455 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:54:18,459 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-24 23:54:18,468 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-10-24 23:54:18,468 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 4 variables to zero. [2024-10-24 23:54:18,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:18,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:18,470 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:18,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-24 23:54:18,472 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-24 23:54:18,482 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-24 23:54:18,482 INFO L474 LassoAnalysis]: Proved termination. [2024-10-24 23:54:18,482 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_test_fun_~j_ref~0#1.base) ULTIMATE.start_test_fun_~j_ref~0#1.offset)_2, v_rep(select (select #memory_int#2 ULTIMATE.start_test_fun_~i_ref~0#1.base) ULTIMATE.start_test_fun_~i_ref~0#1.offset)_2) = -1*v_rep(select (select #memory_int#1 ULTIMATE.start_test_fun_~j_ref~0#1.base) ULTIMATE.start_test_fun_~j_ref~0#1.offset)_2 + 1*v_rep(select (select #memory_int#2 ULTIMATE.start_test_fun_~i_ref~0#1.base) ULTIMATE.start_test_fun_~i_ref~0#1.offset)_2 Supporting invariants [] [2024-10-24 23:54:18,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-10-24 23:54:18,530 INFO L156 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2024-10-24 23:54:18,531 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-10-24 23:54:18,531 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-10-24 23:54:18,531 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~j_ref~0!base,]]] [2024-10-24 23:54:18,531 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-10-24 23:54:18,531 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-10-24 23:54:18,531 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~i_ref~0!base,]]] [2024-10-24 23:54:18,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:54:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:54:18,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 23:54:18,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:54:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:54:18,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 23:54:18,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:54:18,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:54:18,579 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-24 23:54:18,579 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:54:18,602 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 34 transitions. Complement of second has 7 states. [2024-10-24 23:54:18,602 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 [2024-10-24 23:54:18,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:54:18,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2024-10-24 23:54:18,603 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 4 letters. Loop has 2 letters. [2024-10-24 23:54:18,603 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-24 23:54:18,603 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 6 letters. Loop has 2 letters. [2024-10-24 23:54:18,603 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-24 23:54:18,603 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 4 letters. Loop has 4 letters. [2024-10-24 23:54:18,603 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-24 23:54:18,603 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 34 transitions. [2024-10-24 23:54:18,604 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-24 23:54:18,605 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 19 states and 23 transitions. [2024-10-24 23:54:18,605 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-10-24 23:54:18,605 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-10-24 23:54:18,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 23 transitions. [2024-10-24 23:54:18,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-24 23:54:18,605 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 23 transitions. [2024-10-24 23:54:18,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 23 transitions. [2024-10-24 23:54:18,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 15. [2024-10-24 23:54:18,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2) internal successors, (18), 14 states have internal predecessors, (18), 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) [2024-10-24 23:54:18,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2024-10-24 23:54:18,606 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 18 transitions. [2024-10-24 23:54:18,606 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2024-10-24 23:54:18,606 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-24 23:54:18,606 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2024-10-24 23:54:18,607 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-24 23:54:18,607 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-24 23:54:18,607 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-24 23:54:18,607 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2024-10-24 23:54:18,607 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-24 23:54:18,607 INFO L745 eck$LassoCheckResult]: Stem: 348#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 349#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~ret13#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;assume { :begin_inline_test_fun } true;test_fun_#in~i#1, test_fun_#in~j#1 := main_#t~nondet11#1, main_#t~nondet12#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem5#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_~i#1, test_fun_~j#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~i#1 := test_fun_#in~i#1;test_fun_~j#1 := test_fun_#in~j#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int#2(test_fun_~i#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int#1(test_fun_~j#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int#0(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 343#L555-3 call test_fun_#t~mem5#1 := read~int#2(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 344#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int#1(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 354#L557-3 call test_fun_#t~mem7#1 := read~int#1(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#2(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 357#L557-1 assume !(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1; 356#L557-4 call test_fun_#t~mem9#1 := read~int#2(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int#2(test_fun_#t~mem9#1 - 1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1; 345#L555-3 call test_fun_#t~mem5#1 := read~int#2(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 347#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int#1(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 350#L557-3 [2024-10-24 23:54:18,607 INFO L747 eck$LassoCheckResult]: Loop: 350#L557-3 call test_fun_#t~mem7#1 := read~int#1(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#2(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 351#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int#1(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int#1(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 350#L557-3 [2024-10-24 23:54:18,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:54:18,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1271569044, now seen corresponding path program 2 times [2024-10-24 23:54:18,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:54:18,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136002139] [2024-10-24 23:54:18,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:54:18,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:54:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:54:18,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:54:18,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:54:18,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136002139] [2024-10-24 23:54:18,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136002139] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:54:18,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18518905] [2024-10-24 23:54:18,786 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 23:54:18,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:54:18,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:18,788 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:54:18,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-24 23:54:18,805 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-10-24 23:54:18,860 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 23:54:18,861 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 23:54:18,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 23:54:18,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:54:18,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-24 23:54:18,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-10-24 23:54:18,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-10-24 23:54:18,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:54:18,915 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:54:18,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18518905] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:54:18,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:54:18,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 8 [2024-10-24 23:54:18,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355911566] [2024-10-24 23:54:18,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:54:18,916 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-24 23:54:18,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:54:18,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1510, now seen corresponding path program 2 times [2024-10-24 23:54:18,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:54:18,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796779560] [2024-10-24 23:54:18,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:54:18,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:54:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:54:18,921 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:54:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:54:18,924 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:54:18,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:54:18,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 23:54:18,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-24 23:54:18,976 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. cyclomatic complexity: 6 Second operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 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) [2024-10-24 23:54:19,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:54:19,035 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2024-10-24 23:54:19,036 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 30 transitions. [2024-10-24 23:54:19,036 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-24 23:54:19,037 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 21 states and 24 transitions. [2024-10-24 23:54:19,037 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-10-24 23:54:19,037 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-10-24 23:54:19,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 24 transitions. [2024-10-24 23:54:19,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-24 23:54:19,037 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 24 transitions. [2024-10-24 23:54:19,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 24 transitions. [2024-10-24 23:54:19,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 18. [2024-10-24 23:54:19,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 17 states have internal predecessors, (21), 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) [2024-10-24 23:54:19,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2024-10-24 23:54:19,039 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2024-10-24 23:54:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 23:54:19,040 INFO L425 stractBuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2024-10-24 23:54:19,040 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-24 23:54:19,040 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2024-10-24 23:54:19,040 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-24 23:54:19,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-24 23:54:19,040 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-24 23:54:19,041 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1] [2024-10-24 23:54:19,041 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-24 23:54:19,041 INFO L745 eck$LassoCheckResult]: Stem: 433#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 434#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~ret13#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;assume { :begin_inline_test_fun } true;test_fun_#in~i#1, test_fun_#in~j#1 := main_#t~nondet11#1, main_#t~nondet12#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem5#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_~i#1, test_fun_~j#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~i#1 := test_fun_#in~i#1;test_fun_~j#1 := test_fun_#in~j#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int#2(test_fun_~i#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int#1(test_fun_~j#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int#0(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 428#L555-3 call test_fun_#t~mem5#1 := read~int#2(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 429#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int#1(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 445#L557-3 call test_fun_#t~mem7#1 := read~int#1(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#2(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 444#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int#1(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int#1(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 443#L557-3 call test_fun_#t~mem7#1 := read~int#1(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#2(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 441#L557-1 assume !(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1; 440#L557-4 call test_fun_#t~mem9#1 := read~int#2(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int#2(test_fun_#t~mem9#1 - 1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1; 430#L555-3 call test_fun_#t~mem5#1 := read~int#2(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 432#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int#1(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 435#L557-3 [2024-10-24 23:54:19,041 INFO L747 eck$LassoCheckResult]: Loop: 435#L557-3 call test_fun_#t~mem7#1 := read~int#1(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#2(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 436#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int#1(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int#1(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 435#L557-3 [2024-10-24 23:54:19,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:54:19,041 INFO L85 PathProgramCache]: Analyzing trace with hash -2038480497, now seen corresponding path program 1 times [2024-10-24 23:54:19,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:54:19,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025540284] [2024-10-24 23:54:19,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:54:19,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:54:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:54:19,062 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:54:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:54:19,072 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:54:19,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:54:19,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1510, now seen corresponding path program 3 times [2024-10-24 23:54:19,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:54:19,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934462784] [2024-10-24 23:54:19,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:54:19,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:54:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:54:19,078 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:54:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:54:19,080 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:54:19,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:54:19,081 INFO L85 PathProgramCache]: Analyzing trace with hash -474670092, now seen corresponding path program 2 times [2024-10-24 23:54:19,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:54:19,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364423436] [2024-10-24 23:54:19,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:54:19,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:54:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:54:19,322 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:54:19,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:54:19,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364423436] [2024-10-24 23:54:19,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364423436] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:54:19,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881255386] [2024-10-24 23:54:19,323 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 23:54:19,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:54:19,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:19,325 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:54:19,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-10-24 23:54:19,392 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 23:54:19,392 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 23:54:19,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-24 23:54:19,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:54:19,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-24 23:54:19,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-10-24 23:54:19,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-10-24 23:54:19,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-10-24 23:54:19,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-10-24 23:54:19,506 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:54:19,507 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 23:54:19,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-10-24 23:54:19,591 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:54:19,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881255386] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 23:54:19,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 23:54:19,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 20 [2024-10-24 23:54:19,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457525507] [2024-10-24 23:54:19,591 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 23:54:19,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:54:19,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-24 23:54:19,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=340, Unknown=0, NotChecked=0, Total=420 [2024-10-24 23:54:19,629 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. cyclomatic complexity: 6 Second operand has 21 states, 20 states have (on average 1.65) internal successors, (33), 21 states have internal predecessors, (33), 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) [2024-10-24 23:54:19,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:54:19,747 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2024-10-24 23:54:19,747 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 40 transitions. [2024-10-24 23:54:19,747 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-24 23:54:19,748 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 27 states and 30 transitions. [2024-10-24 23:54:19,748 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-10-24 23:54:19,748 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-10-24 23:54:19,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 30 transitions. [2024-10-24 23:54:19,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-24 23:54:19,748 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 30 transitions. [2024-10-24 23:54:19,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 30 transitions. [2024-10-24 23:54:19,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 22. [2024-10-24 23:54:19,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 21 states have internal predecessors, (25), 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) [2024-10-24 23:54:19,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2024-10-24 23:54:19,752 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 25 transitions. [2024-10-24 23:54:19,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 23:54:19,753 INFO L425 stractBuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2024-10-24 23:54:19,753 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-24 23:54:19,753 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 25 transitions. [2024-10-24 23:54:19,754 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-24 23:54:19,755 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-24 23:54:19,755 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-24 23:54:19,756 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 1, 1, 1, 1] [2024-10-24 23:54:19,756 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-24 23:54:19,756 INFO L745 eck$LassoCheckResult]: Stem: 591#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 592#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~ret13#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;assume { :begin_inline_test_fun } true;test_fun_#in~i#1, test_fun_#in~j#1 := main_#t~nondet11#1, main_#t~nondet12#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem5#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_~i#1, test_fun_~j#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~i#1 := test_fun_#in~i#1;test_fun_~j#1 := test_fun_#in~j#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int#2(test_fun_~i#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int#1(test_fun_~j#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int#0(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 586#L555-3 call test_fun_#t~mem5#1 := read~int#2(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 587#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int#1(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 607#L557-3 call test_fun_#t~mem7#1 := read~int#1(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#2(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 597#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int#1(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int#1(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 595#L557-3 call test_fun_#t~mem7#1 := read~int#1(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#2(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 596#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int#1(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int#1(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 604#L557-3 call test_fun_#t~mem7#1 := read~int#1(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#2(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 600#L557-1 assume !(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1; 599#L557-4 call test_fun_#t~mem9#1 := read~int#2(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int#2(test_fun_#t~mem9#1 - 1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1; 588#L555-3 call test_fun_#t~mem5#1 := read~int#2(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 589#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int#1(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 593#L557-3 [2024-10-24 23:54:19,756 INFO L747 eck$LassoCheckResult]: Loop: 593#L557-3 call test_fun_#t~mem7#1 := read~int#1(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#2(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 594#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int#1(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int#1(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 593#L557-3 [2024-10-24 23:54:19,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:54:19,756 INFO L85 PathProgramCache]: Analyzing trace with hash -425323062, now seen corresponding path program 3 times [2024-10-24 23:54:19,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:54:19,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599605853] [2024-10-24 23:54:19,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:54:19,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:54:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:54:19,770 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:54:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:54:19,778 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:54:19,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:54:19,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1510, now seen corresponding path program 4 times [2024-10-24 23:54:19,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:54:19,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853569057] [2024-10-24 23:54:19,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:54:19,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:54:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:54:19,781 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:54:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:54:19,784 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:54:19,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:54:19,784 INFO L85 PathProgramCache]: Analyzing trace with hash -713568913, now seen corresponding path program 4 times [2024-10-24 23:54:19,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:54:19,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984367883] [2024-10-24 23:54:19,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:54:19,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:54:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:54:19,796 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:54:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:54:19,811 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:54:21,076 INFO L204 LassoAnalysis]: Preferences: [2024-10-24 23:54:21,076 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-24 23:54:21,076 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-24 23:54:21,076 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-24 23:54:21,076 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-24 23:54:21,076 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:21,076 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-24 23:54:21,076 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-24 23:54:21,076 INFO L132 ssoRankerPreferences]: Filename of dumped script: c.08-alloca.i_Iteration6_Lasso [2024-10-24 23:54:21,077 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-24 23:54:21,077 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-24 23:54:21,078 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:21,080 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:21,312 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:21,314 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:21,316 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:21,317 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:21,319 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:21,320 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:21,321 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:21,324 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:21,325 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:21,326 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:21,327 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:54:21,514 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-24 23:54:21,515 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-24 23:54:21,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:21,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:21,516 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:21,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-24 23:54:21,519 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 [2024-10-24 23:54:21,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:21,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-24 23:54:21,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:21,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:21,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:21,529 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-24 23:54:21,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-24 23:54:21,530 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:21,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-10-24 23:54:21,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:21,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:21,542 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:21,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-24 23:54:21,543 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 [2024-10-24 23:54:21,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:21,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:21,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:21,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:21,555 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:54:21,555 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:54:21,560 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:21,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-10-24 23:54:21,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:21,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:21,571 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:21,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-24 23:54:21,574 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 [2024-10-24 23:54:21,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:21,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:21,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:21,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:21,584 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:54:21,584 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:54:21,587 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:21,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-10-24 23:54:21,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:21,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:21,598 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:21,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-24 23:54:21,599 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 [2024-10-24 23:54:21,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:21,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:21,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:21,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:21,613 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:54:21,613 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:54:21,619 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:21,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-10-24 23:54:21,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:21,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:21,631 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:21,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-10-24 23:54:21,633 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 [2024-10-24 23:54:21,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:21,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:21,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:21,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:21,644 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:54:21,644 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:54:21,648 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:21,659 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-10-24 23:54:21,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:21,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:21,660 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:21,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-10-24 23:54:21,662 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 [2024-10-24 23:54:21,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:21,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:21,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:21,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:21,673 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:54:21,673 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:54:21,675 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:21,685 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-10-24 23:54:21,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:21,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:21,686 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:21,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-10-24 23:54:21,688 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 [2024-10-24 23:54:21,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:21,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:21,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:21,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:21,699 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:54:21,699 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:54:21,702 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:21,712 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-10-24 23:54:21,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:21,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:21,713 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:21,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-10-24 23:54:21,714 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 [2024-10-24 23:54:21,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:21,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:21,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:21,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:21,726 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:54:21,726 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:54:21,729 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:54:21,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-10-24 23:54:21,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:21,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:21,740 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:21,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-10-24 23:54:21,741 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 [2024-10-24 23:54:21,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:54:21,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:54:21,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:54:21,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:54:21,754 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:54:21,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:54:21,759 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-24 23:54:21,764 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-10-24 23:54:21,764 INFO L444 ModelExtractionUtils]: 2 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2024-10-24 23:54:21,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:54:21,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:54:21,765 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:54:21,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-10-24 23:54:21,767 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-24 23:54:21,777 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-24 23:54:21,777 INFO L474 LassoAnalysis]: Proved termination. [2024-10-24 23:54:21,777 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#2 ULTIMATE.start_test_fun_~i_ref~0#1.base) ULTIMATE.start_test_fun_~i_ref~0#1.offset)_3, v_rep(select (select #memory_int#1 ULTIMATE.start_test_fun_~j_ref~0#1.base) 0)_2) = 1*v_rep(select (select #memory_int#2 ULTIMATE.start_test_fun_~i_ref~0#1.base) ULTIMATE.start_test_fun_~i_ref~0#1.offset)_3 - 1*v_rep(select (select #memory_int#1 ULTIMATE.start_test_fun_~j_ref~0#1.base) 0)_2 Supporting invariants [] [2024-10-24 23:54:21,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-10-24 23:54:21,825 INFO L156 tatePredicateManager]: 20 out of 21 supporting invariants were superfluous and have been removed [2024-10-24 23:54:21,827 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-10-24 23:54:21,827 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-10-24 23:54:21,827 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~i_ref~0!base,]]] [2024-10-24 23:54:21,827 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-10-24 23:54:21,827 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-10-24 23:54:21,827 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~j_ref~0!base,]]] [2024-10-24 23:54:21,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:54:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:54:21,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 23:54:21,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:54:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:54:21,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 23:54:21,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:54:21,938 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2024-10-24 23:54:21,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:54:21,945 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-10-24 23:54:21,945 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:54:21,980 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 38 transitions. Complement of second has 8 states. [2024-10-24 23:54:21,980 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 [2024-10-24 23:54:21,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:54:21,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9 transitions. [2024-10-24 23:54:21,981 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 13 letters. Loop has 2 letters. [2024-10-24 23:54:21,981 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-24 23:54:21,981 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-24 23:54:21,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:54:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:54:22,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 23:54:22,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:54:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:54:22,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 23:54:22,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:54:22,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:54:22,069 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2024-10-24 23:54:22,069 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:54:22,103 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 38 transitions. Complement of second has 8 states. [2024-10-24 23:54:22,104 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 [2024-10-24 23:54:22,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:54:22,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9 transitions. [2024-10-24 23:54:22,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 13 letters. Loop has 2 letters. [2024-10-24 23:54:22,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-24 23:54:22,105 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-24 23:54:22,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:54:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:54:22,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 23:54:22,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:54:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:54:22,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 23:54:22,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:54:22,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:54:22,203 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 2 loop predicates [2024-10-24 23:54:22,203 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:54:22,243 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 40 transitions. Complement of second has 7 states. [2024-10-24 23:54:22,245 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 [2024-10-24 23:54:22,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:54:22,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2024-10-24 23:54:22,246 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 13 letters. Loop has 2 letters. [2024-10-24 23:54:22,246 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-24 23:54:22,246 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 15 letters. Loop has 2 letters. [2024-10-24 23:54:22,246 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-24 23:54:22,246 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 13 letters. Loop has 4 letters. [2024-10-24 23:54:22,246 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-24 23:54:22,247 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 40 transitions. [2024-10-24 23:54:22,248 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-24 23:54:22,248 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 0 states and 0 transitions. [2024-10-24 23:54:22,248 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-24 23:54:22,248 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-24 23:54:22,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-24 23:54:22,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-24 23:54:22,248 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 23:54:22,248 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 23:54:22,248 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 23:54:22,248 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-10-24 23:54:22,248 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-24 23:54:22,248 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-24 23:54:22,248 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-24 23:54:22,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.10 11:54:22 BoogieIcfgContainer [2024-10-24 23:54:22,254 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-24 23:54:22,254 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 23:54:22,254 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 23:54:22,254 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 23:54:22,255 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:54:14" (3/4) ... [2024-10-24 23:54:22,256 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 23:54:22,257 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 23:54:22,257 INFO L158 Benchmark]: Toolchain (without parser) took 8618.91ms. Allocated memory was 142.6MB in the beginning and 220.2MB in the end (delta: 77.6MB). Free memory was 85.9MB in the beginning and 140.7MB in the end (delta: -54.8MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2024-10-24 23:54:22,257 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 96.5MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 23:54:22,258 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.13ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 105.4MB in the end (delta: -19.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-24 23:54:22,258 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.51ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 103.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 23:54:22,258 INFO L158 Benchmark]: Boogie Preprocessor took 28.07ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 101.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 23:54:22,258 INFO L158 Benchmark]: RCFGBuilder took 300.90ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 88.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-24 23:54:22,259 INFO L158 Benchmark]: BuchiAutomizer took 7913.93ms. Allocated memory was 142.6MB in the beginning and 220.2MB in the end (delta: 77.6MB). Free memory was 88.6MB in the beginning and 140.7MB in the end (delta: -52.0MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2024-10-24 23:54:22,259 INFO L158 Benchmark]: Witness Printer took 2.84ms. Allocated memory is still 220.2MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 23:54:22,260 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 96.5MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.13ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 105.4MB in the end (delta: -19.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.51ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 103.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.07ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 101.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 300.90ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 88.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 7913.93ms. Allocated memory was 142.6MB in the beginning and 220.2MB in the end (delta: 77.6MB). Free memory was 88.6MB in the beginning and 140.7MB in the end (delta: -52.0MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. * Witness Printer took 2.84ms. Allocated memory is still 220.2MB. Free memory is still 140.7MB. 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#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~i_ref~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[~j_ref~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~i_ref~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~i_ref~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[~j_ref~0!base,]]] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 4 locations. One nondeterministic module has affine ranking function null and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 21 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.8s and 7 iterations. TraceHistogramMax:3. Analysis of lassos took 6.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 12 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 73 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 71 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 39 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 242 IncrementalHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 39 mSDtfsCounter, 242 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital209 mio100 ax108 hnf100 lsp92 ukn71 mio100 lsp25 div100 bol100 ite100 ukn100 eq168 hnf89 smp98 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms 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! [2024-10-24 23:54:22,278 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-10-24 23:54:22,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-10-24 23:54:22,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE