./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sep05-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 61a67961 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/reducercommutativity/sep05-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash ac50477087b7e2b9c80860ad42d4d46d99ddf32e797cee205c21d5ff44f08ec3 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-15 00:20:28,037 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 00:20:28,104 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-15 00:20:28,109 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 00:20:28,109 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 00:20:28,145 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 00:20:28,146 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 00:20:28,147 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 00:20:28,148 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 00:20:28,149 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 00:20:28,150 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 00:20:28,150 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 00:20:28,151 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 00:20:28,151 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-15 00:20:28,153 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-15 00:20:28,153 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-15 00:20:28,154 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-15 00:20:28,154 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-15 00:20:28,154 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-15 00:20:28,155 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 00:20:28,155 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-15 00:20:28,160 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 00:20:28,160 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 00:20:28,160 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 00:20:28,160 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 00:20:28,161 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-15 00:20:28,161 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-15 00:20:28,161 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-15 00:20:28,162 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 00:20:28,162 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-15 00:20:28,163 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 00:20:28,163 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 00:20:28,163 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-15 00:20:28,163 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 00:20:28,164 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 00:20:28,164 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 00:20:28,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-15 00:20:28,164 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-15 00:20:28,165 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-15 00:20:28,165 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac50477087b7e2b9c80860ad42d4d46d99ddf32e797cee205c21d5ff44f08ec3 [2024-10-15 00:20:28,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 00:20:28,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 00:20:28,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 00:20:28,502 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 00:20:28,503 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 00:20:28,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sep05-1.i [2024-10-15 00:20:30,147 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 00:20:30,335 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 00:20:30,335 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sep05-1.i [2024-10-15 00:20:30,345 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cbd418cb/3cb8bd8709564681b764eb89a6a653b3/FLAG95d8db834 [2024-10-15 00:20:30,362 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cbd418cb/3cb8bd8709564681b764eb89a6a653b3 [2024-10-15 00:20:30,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 00:20:30,367 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-15 00:20:30,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 00:20:30,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 00:20:30,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 00:20:30,378 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:20:30" (1/1) ... [2024-10-15 00:20:30,379 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b866164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:30, skipping insertion in model container [2024-10-15 00:20:30,380 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:20:30" (1/1) ... [2024-10-15 00:20:30,401 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 00:20:30,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:20:30,593 INFO L200 MainTranslator]: Completed pre-run [2024-10-15 00:20:30,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:20:30,644 INFO L204 MainTranslator]: Completed translation [2024-10-15 00:20:30,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:30 WrapperNode [2024-10-15 00:20:30,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 00:20:30,646 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 00:20:30,647 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 00:20:30,647 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 00:20:30,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:30" (1/1) ... [2024-10-15 00:20:30,667 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:30" (1/1) ... [2024-10-15 00:20:30,703 INFO L138 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 130 [2024-10-15 00:20:30,707 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 00:20:30,708 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 00:20:30,708 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 00:20:30,709 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 00:20:30,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:30" (1/1) ... [2024-10-15 00:20:30,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:30" (1/1) ... [2024-10-15 00:20:30,725 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:30" (1/1) ... [2024-10-15 00:20:30,749 INFO L175 MemorySlicer]: Split 14 memory accesses to 2 slices as follows [2, 12]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 5 writes are split as follows [0, 5]. [2024-10-15 00:20:30,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:30" (1/1) ... [2024-10-15 00:20:30,751 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:30" (1/1) ... [2024-10-15 00:20:30,757 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:30" (1/1) ... [2024-10-15 00:20:30,763 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:30" (1/1) ... [2024-10-15 00:20:30,764 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:30" (1/1) ... [2024-10-15 00:20:30,769 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:30" (1/1) ... [2024-10-15 00:20:30,772 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 00:20:30,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 00:20:30,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 00:20:30,775 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 00:20:30,776 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:30" (1/1) ... [2024-10-15 00:20:30,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:30,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:30,820 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) [2024-10-15 00:20:30,826 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 [2024-10-15 00:20:30,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 00:20:30,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-15 00:20:30,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-15 00:20:30,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-15 00:20:30,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-15 00:20:30,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-15 00:20:30,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 00:20:30,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 00:20:30,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-15 00:20:30,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-15 00:20:30,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-15 00:20:30,955 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 00:20:30,957 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 00:20:31,203 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-10-15 00:20:31,203 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 00:20:31,255 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 00:20:31,256 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-15 00:20:31,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:20:31 BoogieIcfgContainer [2024-10-15 00:20:31,261 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 00:20:31,262 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-15 00:20:31,262 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-15 00:20:31,267 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-15 00:20:31,268 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:20:31,269 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 12:20:30" (1/3) ... [2024-10-15 00:20:31,270 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f3a7559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:20:31, skipping insertion in model container [2024-10-15 00:20:31,270 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:20:31,270 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:30" (2/3) ... [2024-10-15 00:20:31,271 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f3a7559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:20:31, skipping insertion in model container [2024-10-15 00:20:31,271 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:20:31,271 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:20:31" (3/3) ... [2024-10-15 00:20:31,272 INFO L332 chiAutomizerObserver]: Analyzing ICFG sep05-1.i [2024-10-15 00:20:31,329 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-15 00:20:31,329 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-15 00:20:31,329 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-15 00:20:31,330 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-15 00:20:31,330 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-15 00:20:31,330 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-15 00:20:31,330 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-15 00:20:31,330 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-15 00:20:31,335 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 30 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 29 states have internal predecessors, (44), 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) [2024-10-15 00:20:31,352 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 13 [2024-10-15 00:20:31,352 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:20:31,352 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:20:31,357 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-15 00:20:31,357 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-15 00:20:31,357 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-15 00:20:31,357 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 30 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 29 states have internal predecessors, (44), 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) [2024-10-15 00:20:31,360 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 13 [2024-10-15 00:20:31,360 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:20:31,361 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:20:31,361 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-15 00:20:31,361 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-15 00:20:31,368 INFO L745 eck$LassoCheckResult]: Stem: 26#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post6#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 27#L37-3true [2024-10-15 00:20:31,369 INFO L747 eck$LassoCheckResult]: Loop: 27#L37-3true assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 20#L37-2true main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27#L37-3true [2024-10-15 00:20:31,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:20:31,374 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-15 00:20:31,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:20:31,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217636233] [2024-10-15 00:20:31,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:20:31,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:20:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:31,494 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:20:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:31,532 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:20:31,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:20:31,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2024-10-15 00:20:31,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:20:31,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659600707] [2024-10-15 00:20:31,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:20:31,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:20:31,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:31,562 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:20:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:31,570 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:20:31,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:20:31,573 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2024-10-15 00:20:31,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:20:31,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300337602] [2024-10-15 00:20:31,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:20:31,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:20:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:31,605 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:20:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:31,627 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:20:31,994 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:20:31,994 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:20:31,996 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:20:31,996 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:20:31,997 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:20:31,997 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:31,997 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:20:31,997 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:20:31,997 INFO L132 ssoRankerPreferences]: Filename of dumped script: sep05-1.i_Iteration1_Lasso [2024-10-15 00:20:31,997 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:20:31,998 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:20:32,022 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:32,033 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:32,036 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:32,061 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:32,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:32,069 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:32,073 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:32,075 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:32,078 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:32,081 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:32,083 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:32,090 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:32,093 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:32,097 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:32,100 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:32,105 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:32,109 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:32,281 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:32,511 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:20:32,516 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:20:32,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:32,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:32,521 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) [2024-10-15 00:20:32,523 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 [2024-10-15 00:20:32,524 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 [2024-10-15 00:20:32,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:32,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:32,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:32,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:32,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:32,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:32,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:32,547 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:32,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-10-15 00:20:32,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:32,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:32,565 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) [2024-10-15 00:20:32,567 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 [2024-10-15 00:20:32,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 00:20:32,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:32,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:32,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:32,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:32,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:32,580 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:32,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:32,582 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:32,598 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 [2024-10-15 00:20:32,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:32,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:32,602 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) [2024-10-15 00:20:32,604 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 [2024-10-15 00:20:32,605 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 [2024-10-15 00:20:32,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:32,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:32,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:32,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:32,623 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:20:32,624 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:20:32,629 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:32,644 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 [2024-10-15 00:20:32,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:32,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:32,648 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) [2024-10-15 00:20:32,651 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 [2024-10-15 00:20:32,653 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 [2024-10-15 00:20:32,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:32,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:32,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:32,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:32,670 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:20:32,670 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:20:32,674 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:32,690 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 [2024-10-15 00:20:32,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:32,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:32,693 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) [2024-10-15 00:20:32,695 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 [2024-10-15 00:20:32,696 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 [2024-10-15 00:20:32,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:32,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:32,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:32,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:32,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:32,711 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:32,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:32,715 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:32,730 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-15 00:20:32,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:32,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:32,734 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) [2024-10-15 00:20:32,735 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 [2024-10-15 00:20:32,736 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 [2024-10-15 00:20:32,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:32,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:32,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:32,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:32,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:32,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:32,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:32,768 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:32,783 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 [2024-10-15 00:20:32,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:32,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:32,787 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) [2024-10-15 00:20:32,788 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 [2024-10-15 00:20:32,790 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 [2024-10-15 00:20:32,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:32,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:32,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:32,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:32,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:32,804 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:32,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:32,806 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:32,821 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 [2024-10-15 00:20:32,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:32,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:32,824 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) [2024-10-15 00:20:32,826 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 [2024-10-15 00:20:32,827 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 [2024-10-15 00:20:32,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:32,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:32,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:32,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:32,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:32,841 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:32,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:32,843 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:32,858 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 [2024-10-15 00:20:32,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:32,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:32,863 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) [2024-10-15 00:20:32,866 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 [2024-10-15 00:20:32,867 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 [2024-10-15 00:20:32,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:32,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:32,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:32,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:32,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:32,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:32,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:32,880 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:32,895 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 [2024-10-15 00:20:32,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:32,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:32,898 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) [2024-10-15 00:20:32,902 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 [2024-10-15 00:20:32,903 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 [2024-10-15 00:20:32,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:32,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:32,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:32,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:32,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:32,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:32,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:32,920 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:32,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-15 00:20:32,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:32,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:32,939 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) [2024-10-15 00:20:32,941 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 [2024-10-15 00:20:32,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 00:20:32,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:32,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:32,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:32,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:32,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:32,957 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:32,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:32,960 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:32,978 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-15 00:20:32,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:32,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:32,981 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) [2024-10-15 00:20:32,983 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 [2024-10-15 00:20:32,985 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 [2024-10-15 00:20:32,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:32,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:32,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:32,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:32,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:32,997 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:32,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:32,998 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:33,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-15 00:20:33,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:33,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:33,021 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) [2024-10-15 00:20:33,022 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 [2024-10-15 00:20:33,023 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 [2024-10-15 00:20:33,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:33,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:33,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:33,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:33,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:33,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:33,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:33,041 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:33,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-15 00:20:33,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:33,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:33,061 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) [2024-10-15 00:20:33,064 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 [2024-10-15 00:20:33,065 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 [2024-10-15 00:20:33,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:33,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:33,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:33,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:33,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:33,083 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:33,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:33,086 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:33,105 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 [2024-10-15 00:20:33,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:33,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:33,108 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) [2024-10-15 00:20:33,111 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 [2024-10-15 00:20:33,112 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 [2024-10-15 00:20:33,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:33,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:33,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:33,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:33,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:33,127 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:33,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:33,131 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:33,147 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 [2024-10-15 00:20:33,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:33,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:33,150 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:20:33,152 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 [2024-10-15 00:20:33,153 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 [2024-10-15 00:20:33,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:33,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:33,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:33,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:33,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:33,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:33,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:33,165 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:33,181 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-15 00:20:33,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:33,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:33,184 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) [2024-10-15 00:20:33,186 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 [2024-10-15 00:20:33,187 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 [2024-10-15 00:20:33,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:33,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:33,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:33,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:33,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:33,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:33,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:33,201 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:33,211 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 [2024-10-15 00:20:33,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:33,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:33,214 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) [2024-10-15 00:20:33,215 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 [2024-10-15 00:20:33,216 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 [2024-10-15 00:20:33,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:33,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:33,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:33,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:33,229 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:20:33,229 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:20:33,235 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:33,252 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 [2024-10-15 00:20:33,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:33,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:33,254 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) [2024-10-15 00:20:33,255 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 [2024-10-15 00:20:33,257 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 [2024-10-15 00:20:33,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:33,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:33,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:33,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:33,271 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:20:33,271 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:20:33,276 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:33,292 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 [2024-10-15 00:20:33,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:33,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:33,294 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) [2024-10-15 00:20:33,296 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 [2024-10-15 00:20:33,297 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 [2024-10-15 00:20:33,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:33,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:33,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:33,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:33,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:20:33,311 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:20:33,315 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:33,332 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-10-15 00:20:33,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:33,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:33,336 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) [2024-10-15 00:20:33,338 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 [2024-10-15 00:20:33,339 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 [2024-10-15 00:20:33,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:33,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:33,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:33,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:33,359 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:20:33,359 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:20:33,368 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:20:33,398 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-10-15 00:20:33,399 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-10-15 00:20:33,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:33,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:33,428 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) [2024-10-15 00:20:33,430 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 [2024-10-15 00:20:33,431 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:20:33,447 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-15 00:20:33,447 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:20:33,448 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1, ULTIMATE.start_main_~i~1#1) = 9*v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1 - 8*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2024-10-15 00:20:33,463 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 [2024-10-15 00:20:33,476 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2024-10-15 00:20:33,489 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-15 00:20:33,490 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-15 00:20:33,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:20:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:20:33,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:20:33,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:20:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:20:33,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-15 00:20:33,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:20:33,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:20:33,632 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 [2024-10-15 00:20:33,635 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 30 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 29 states have internal predecessors, (44), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2024-10-15 00:20:33,702 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 30 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 29 states have internal predecessors, (44), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) Result 58 states and 87 transitions. Complement of second has 6 states. [2024-10-15 00:20:33,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-15 00:20:33,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2024-10-15 00:20:33,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 43 transitions. [2024-10-15 00:20:33,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 43 transitions. Stem has 2 letters. Loop has 2 letters. [2024-10-15 00:20:33,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:20:33,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 43 transitions. Stem has 4 letters. Loop has 2 letters. [2024-10-15 00:20:33,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:20:33,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 43 transitions. Stem has 2 letters. Loop has 4 letters. [2024-10-15 00:20:33,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:20:33,721 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 87 transitions. [2024-10-15 00:20:33,726 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2024-10-15 00:20:33,732 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 22 states and 33 transitions. [2024-10-15 00:20:33,735 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2024-10-15 00:20:33,736 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-10-15 00:20:33,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 33 transitions. [2024-10-15 00:20:33,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:20:33,737 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 33 transitions. [2024-10-15 00:20:33,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 33 transitions. [2024-10-15 00:20:33,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-10-15 00:20:33,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.5) 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) [2024-10-15 00:20:33,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 33 transitions. [2024-10-15 00:20:33,767 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 33 transitions. [2024-10-15 00:20:33,767 INFO L425 stractBuchiCegarLoop]: Abstraction has 22 states and 33 transitions. [2024-10-15 00:20:33,768 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-15 00:20:33,768 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 33 transitions. [2024-10-15 00:20:33,769 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2024-10-15 00:20:33,769 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:20:33,769 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:20:33,769 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-15 00:20:33,769 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-15 00:20:33,770 INFO L745 eck$LassoCheckResult]: Stem: 161#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 148#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post6#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 149#L37-3 assume !(main_~i~1#1 < 5); 155#L37-4 havoc main_~i~1#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 156#L18-3 [2024-10-15 00:20:33,770 INFO L747 eck$LassoCheckResult]: Loop: 156#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 160#L20 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 157#L18-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 156#L18-3 [2024-10-15 00:20:33,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:20:33,770 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2024-10-15 00:20:33,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:20:33,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121365466] [2024-10-15 00:20:33,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:20:33,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:20:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:20:33,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:20:33,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:20:33,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121365466] [2024-10-15 00:20:33,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121365466] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:20:33,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:20:33,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-15 00:20:33,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867821666] [2024-10-15 00:20:33,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:20:33,891 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:20:33,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:20:33,892 INFO L85 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 1 times [2024-10-15 00:20:33,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:20:33,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549250292] [2024-10-15 00:20:33,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:20:33,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:20:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:33,919 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:20:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:33,937 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:20:34,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:20:34,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-15 00:20:34,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-15 00:20:34,018 INFO L87 Difference]: Start difference. First operand 22 states and 33 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2024-10-15 00:20:34,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:20:34,036 INFO L93 Difference]: Finished difference Result 23 states and 30 transitions. [2024-10-15 00:20:34,036 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2024-10-15 00:20:34,037 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2024-10-15 00:20:34,040 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 30 transitions. [2024-10-15 00:20:34,040 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2024-10-15 00:20:34,040 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-10-15 00:20:34,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 30 transitions. [2024-10-15 00:20:34,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:20:34,041 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 30 transitions. [2024-10-15 00:20:34,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 30 transitions. [2024-10-15 00:20:34,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2024-10-15 00:20:34,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 21 states have internal predecessors, (29), 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) [2024-10-15 00:20:34,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 29 transitions. [2024-10-15 00:20:34,045 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 29 transitions. [2024-10-15 00:20:34,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-15 00:20:34,047 INFO L425 stractBuchiCegarLoop]: Abstraction has 22 states and 29 transitions. [2024-10-15 00:20:34,047 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-15 00:20:34,047 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 29 transitions. [2024-10-15 00:20:34,048 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2024-10-15 00:20:34,048 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:20:34,048 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:20:34,049 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-15 00:20:34,049 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-15 00:20:34,049 INFO L745 eck$LassoCheckResult]: Stem: 212#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 199#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post6#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 200#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 193#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 194#L37-3 assume !(main_~i~1#1 < 5); 206#L37-4 havoc main_~i~1#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 207#L18-3 [2024-10-15 00:20:34,049 INFO L747 eck$LassoCheckResult]: Loop: 207#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 210#L20 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 208#L18-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 207#L18-3 [2024-10-15 00:20:34,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:20:34,050 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2024-10-15 00:20:34,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:20:34,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229361161] [2024-10-15 00:20:34,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:20:34,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:20:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:20:34,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:20:34,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:20:34,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229361161] [2024-10-15 00:20:34,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229361161] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-15 00:20:34,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361586667] [2024-10-15 00:20:34,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:20:34,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 00:20:34,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:34,138 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-15 00:20:34,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-15 00:20:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:20:34,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-15 00:20:34,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:20:34,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:20:34,210 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-15 00:20:34,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:20:34,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361586667] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-15 00:20:34,235 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-15 00:20:34,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-15 00:20:34,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321911576] [2024-10-15 00:20:34,236 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-15 00:20:34,240 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:20:34,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:20:34,241 INFO L85 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 2 times [2024-10-15 00:20:34,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:20:34,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277373509] [2024-10-15 00:20:34,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:20:34,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:20:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:34,255 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:20:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:34,264 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:20:34,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:20:34,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-15 00:20:34,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-15 00:20:34,336 INFO L87 Difference]: Start difference. First operand 22 states and 29 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:20:34,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:20:34,369 INFO L93 Difference]: Finished difference Result 28 states and 35 transitions. [2024-10-15 00:20:34,369 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 35 transitions. [2024-10-15 00:20:34,370 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2024-10-15 00:20:34,372 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 28 states and 35 transitions. [2024-10-15 00:20:34,373 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2024-10-15 00:20:34,373 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-10-15 00:20:34,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 35 transitions. [2024-10-15 00:20:34,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:20:34,375 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-10-15 00:20:34,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 35 transitions. [2024-10-15 00:20:34,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-10-15 00:20:34,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.25) internal successors, (35), 27 states have internal predecessors, (35), 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) [2024-10-15 00:20:34,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2024-10-15 00:20:34,379 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-10-15 00:20:34,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-15 00:20:34,381 INFO L425 stractBuchiCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-10-15 00:20:34,381 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-15 00:20:34,381 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 35 transitions. [2024-10-15 00:20:34,382 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2024-10-15 00:20:34,383 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:20:34,383 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:20:34,384 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2024-10-15 00:20:34,384 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-15 00:20:34,385 INFO L745 eck$LassoCheckResult]: Stem: 302#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 289#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post6#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 290#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 283#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 284#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 303#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 308#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 307#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 306#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 305#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 304#L37-3 assume !(main_~i~1#1 < 5); 296#L37-4 havoc main_~i~1#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 297#L18-3 [2024-10-15 00:20:34,385 INFO L747 eck$LassoCheckResult]: Loop: 297#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 300#L20 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 298#L18-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 297#L18-3 [2024-10-15 00:20:34,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:20:34,386 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2024-10-15 00:20:34,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:20:34,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812946087] [2024-10-15 00:20:34,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:20:34,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:20:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:20:34,543 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:20:34,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:20:34,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812946087] [2024-10-15 00:20:34,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812946087] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-15 00:20:34,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082154715] [2024-10-15 00:20:34,544 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-15 00:20:34,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 00:20:34,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:34,546 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-15 00:20:34,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-15 00:20:34,617 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-15 00:20:34,617 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-15 00:20:34,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-15 00:20:34,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:20:34,659 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:20:34,660 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-15 00:20:34,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-10-15 00:20:34,747 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:20:34,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082154715] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-15 00:20:34,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-15 00:20:34,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2024-10-15 00:20:34,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260552921] [2024-10-15 00:20:34,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-15 00:20:34,748 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:20:34,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:20:34,749 INFO L85 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 3 times [2024-10-15 00:20:34,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:20:34,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565166913] [2024-10-15 00:20:34,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:20:34,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:20:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:34,758 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:20:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:34,774 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:20:34,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:20:34,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-15 00:20:34,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-10-15 00:20:34,847 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 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) [2024-10-15 00:20:34,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:20:34,876 INFO L93 Difference]: Finished difference Result 30 states and 37 transitions. [2024-10-15 00:20:34,877 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 37 transitions. [2024-10-15 00:20:34,880 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2024-10-15 00:20:34,881 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 37 transitions. [2024-10-15 00:20:34,884 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2024-10-15 00:20:34,884 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-10-15 00:20:34,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 37 transitions. [2024-10-15 00:20:34,884 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:20:34,884 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 37 transitions. [2024-10-15 00:20:34,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 37 transitions. [2024-10-15 00:20:34,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-10-15 00:20:34,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 29 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:20:34,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2024-10-15 00:20:34,888 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 37 transitions. [2024-10-15 00:20:34,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-15 00:20:34,890 INFO L425 stractBuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2024-10-15 00:20:34,891 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-15 00:20:34,891 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 37 transitions. [2024-10-15 00:20:34,892 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2024-10-15 00:20:34,893 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:20:34,893 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:20:34,894 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1] [2024-10-15 00:20:34,894 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-15 00:20:34,894 INFO L745 eck$LassoCheckResult]: Stem: 437#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 424#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post6#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 425#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 438#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 439#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 418#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 419#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 445#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 444#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 443#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 442#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 441#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 440#L37-3 assume !(main_~i~1#1 < 5); 431#L37-4 havoc main_~i~1#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 432#L18-3 [2024-10-15 00:20:34,894 INFO L747 eck$LassoCheckResult]: Loop: 432#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 435#L20 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 433#L18-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 432#L18-3 [2024-10-15 00:20:34,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:20:34,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1745699051, now seen corresponding path program 3 times [2024-10-15 00:20:34,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:20:34,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580525791] [2024-10-15 00:20:34,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:20:34,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:20:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:34,917 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:20:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:34,941 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:20:34,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:20:34,944 INFO L85 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 4 times [2024-10-15 00:20:34,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:20:34,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235380657] [2024-10-15 00:20:34,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:20:34,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:20:34,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:34,957 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:20:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:34,968 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:20:34,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:20:34,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1638582855, now seen corresponding path program 1 times [2024-10-15 00:20:34,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:20:34,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068664186] [2024-10-15 00:20:34,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:20:34,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:20:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:34,999 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:20:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:35,029 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:20:35,880 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:20:35,880 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:20:35,880 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:20:35,880 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:20:35,880 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:20:35,880 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:35,880 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:20:35,880 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:20:35,880 INFO L132 ssoRankerPreferences]: Filename of dumped script: sep05-1.i_Iteration5_Lasso [2024-10-15 00:20:35,880 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:20:35,880 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:20:35,886 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:35,888 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:35,891 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:36,170 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:36,173 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:36,175 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:36,177 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:36,179 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:36,181 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:36,183 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:36,187 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:36,196 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:36,198 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:36,200 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:36,203 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:36,205 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:36,206 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:36,208 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:36,211 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:36,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:36,216 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:36,219 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:36,222 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:36,224 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:36,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:36,509 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:20:36,509 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:20:36,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:36,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:36,516 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) [2024-10-15 00:20:36,519 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 [2024-10-15 00:20:36,520 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 [2024-10-15 00:20:36,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:36,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:36,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:36,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:36,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:36,536 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:36,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:36,540 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:36,557 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 [2024-10-15 00:20:36,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:36,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:36,561 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) [2024-10-15 00:20:36,563 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 [2024-10-15 00:20:36,564 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 [2024-10-15 00:20:36,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:36,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:36,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:36,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:36,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:36,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:36,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:36,579 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:36,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-10-15 00:20:36,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:36,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:36,591 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) [2024-10-15 00:20:36,593 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 [2024-10-15 00:20:36,593 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 [2024-10-15 00:20:36,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:36,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:36,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:36,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:36,607 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:20:36,607 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:20:36,610 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:36,627 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 [2024-10-15 00:20:36,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:36,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:36,630 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) [2024-10-15 00:20:36,632 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 [2024-10-15 00:20:36,633 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 [2024-10-15 00:20:36,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:36,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:36,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:36,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:36,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:20:36,646 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:20:36,649 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:36,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-10-15 00:20:36,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:36,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:36,669 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) [2024-10-15 00:20:36,671 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 [2024-10-15 00:20:36,672 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 [2024-10-15 00:20:36,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:36,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:36,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:36,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:36,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:36,685 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:36,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:36,686 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:36,698 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 [2024-10-15 00:20:36,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:36,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:36,699 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) [2024-10-15 00:20:36,700 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 [2024-10-15 00:20:36,701 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 [2024-10-15 00:20:36,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:36,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:36,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:36,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:36,714 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:20:36,714 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:20:36,720 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:36,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-10-15 00:20:36,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:36,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:36,741 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) [2024-10-15 00:20:36,742 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 [2024-10-15 00:20:36,744 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 [2024-10-15 00:20:36,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:36,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:36,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:36,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:36,760 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:20:36,760 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:20:36,765 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:36,782 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 [2024-10-15 00:20:36,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:36,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:36,785 INFO L229 MonitoredProcess]: Starting monitored process 33 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) [2024-10-15 00:20:36,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-15 00:20:36,787 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 [2024-10-15 00:20:36,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:36,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:36,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:36,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:36,802 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:20:36,802 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:20:36,807 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:36,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-10-15 00:20:36,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:36,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:36,822 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:20:36,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-15 00:20:36,824 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 [2024-10-15 00:20:36,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:36,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:36,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:36,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:36,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:20:36,837 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:20:36,841 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:36,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-10-15 00:20:36,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:36,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:36,860 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) [2024-10-15 00:20:36,862 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 [2024-10-15 00:20:36,863 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 [2024-10-15 00:20:36,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:36,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:36,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:36,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:36,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:20:36,878 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:20:36,881 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:36,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-10-15 00:20:36,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:36,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:36,900 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) [2024-10-15 00:20:36,901 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 [2024-10-15 00:20:36,902 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 [2024-10-15 00:20:36,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:36,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:36,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:36,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:36,920 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:20:36,920 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:20:36,930 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:20:36,957 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-10-15 00:20:36,957 INFO L444 ModelExtractionUtils]: 4 out of 19 variables were initially zero. Simplification set additionally 12 variables to zero. [2024-10-15 00:20:36,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:36,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:36,960 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) [2024-10-15 00:20:36,961 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 [2024-10-15 00:20:36,962 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:20:36,976 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-15 00:20:36,976 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:20:36,976 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sep_~i~0#1) = -2*ULTIMATE.start_sep_~i~0#1 + 9 Supporting invariants [] [2024-10-15 00:20:36,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-10-15 00:20:37,018 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2024-10-15 00:20:37,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:20:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:20:37,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:20:37,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:20:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:20:37,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-15 00:20:37,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:20:37,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:20:37,107 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 [2024-10-15 00:20:37,109 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 37 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2024-10-15 00:20:37,133 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 37 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) Result 33 states and 43 transitions. Complement of second has 5 states. [2024-10-15 00:20:37,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-15 00:20:37,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2024-10-15 00:20:37,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2024-10-15 00:20:37,134 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 14 letters. Loop has 3 letters. [2024-10-15 00:20:37,135 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:20:37,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 17 letters. Loop has 3 letters. [2024-10-15 00:20:37,135 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:20:37,136 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 14 letters. Loop has 6 letters. [2024-10-15 00:20:37,136 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:20:37,136 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 43 transitions. [2024-10-15 00:20:37,136 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2024-10-15 00:20:37,137 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 31 states and 39 transitions. [2024-10-15 00:20:37,137 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-10-15 00:20:37,139 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2024-10-15 00:20:37,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 39 transitions. [2024-10-15 00:20:37,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:20:37,141 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 39 transitions. [2024-10-15 00:20:37,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 39 transitions. [2024-10-15 00:20:37,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-10-15 00:20:37,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 30 states have internal predecessors, (39), 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) [2024-10-15 00:20:37,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 39 transitions. [2024-10-15 00:20:37,146 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 39 transitions. [2024-10-15 00:20:37,146 INFO L425 stractBuchiCegarLoop]: Abstraction has 31 states and 39 transitions. [2024-10-15 00:20:37,146 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-15 00:20:37,146 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 39 transitions. [2024-10-15 00:20:37,147 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2024-10-15 00:20:37,147 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:20:37,147 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:20:37,147 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:20:37,148 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-15 00:20:37,148 INFO L745 eck$LassoCheckResult]: Stem: 604#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 590#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post6#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 591#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 605#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 606#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 584#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 585#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 612#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 611#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 610#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 609#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 608#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 607#L37-3 assume !(main_~i~1#1 < 5); 597#L37-4 havoc main_~i~1#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 598#L18-3 assume !(sep_~i~0#1 < 5); 601#L18-4 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 582#sep_returnLabel#1 main_#t~ret7#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 583#L18-8 [2024-10-15 00:20:37,149 INFO L747 eck$LassoCheckResult]: Loop: 583#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 595#L20-2 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 603#L18-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 583#L18-8 [2024-10-15 00:20:37,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:20:37,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1638581187, now seen corresponding path program 1 times [2024-10-15 00:20:37,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:20:37,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457919234] [2024-10-15 00:20:37,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:20:37,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:20:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:20:37,223 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-15 00:20:37,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:20:37,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457919234] [2024-10-15 00:20:37,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457919234] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:20:37,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:20:37,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-15 00:20:37,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750863446] [2024-10-15 00:20:37,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:20:37,225 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:20:37,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:20:37,225 INFO L85 PathProgramCache]: Analyzing trace with hash 74576, now seen corresponding path program 1 times [2024-10-15 00:20:37,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:20:37,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373843538] [2024-10-15 00:20:37,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:20:37,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:20:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:37,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:20:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:37,237 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:20:37,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:20:37,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-15 00:20:37,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-15 00:20:37,290 INFO L87 Difference]: Start difference. First operand 31 states and 39 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2024-10-15 00:20:37,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:20:37,314 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2024-10-15 00:20:37,314 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 49 transitions. [2024-10-15 00:20:37,315 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2024-10-15 00:20:37,316 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 49 transitions. [2024-10-15 00:20:37,316 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2024-10-15 00:20:37,316 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2024-10-15 00:20:37,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 49 transitions. [2024-10-15 00:20:37,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:20:37,316 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 49 transitions. [2024-10-15 00:20:37,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 49 transitions. [2024-10-15 00:20:37,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 32. [2024-10-15 00:20:37,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.21875) internal successors, (39), 31 states have internal predecessors, (39), 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) [2024-10-15 00:20:37,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2024-10-15 00:20:37,319 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 39 transitions. [2024-10-15 00:20:37,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-15 00:20:37,321 INFO L425 stractBuchiCegarLoop]: Abstraction has 32 states and 39 transitions. [2024-10-15 00:20:37,321 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-10-15 00:20:37,321 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 39 transitions. [2024-10-15 00:20:37,322 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2024-10-15 00:20:37,322 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:20:37,322 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:20:37,322 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:20:37,323 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-15 00:20:37,323 INFO L745 eck$LassoCheckResult]: Stem: 680#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 666#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post6#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 667#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 660#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 661#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 682#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 689#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 688#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 687#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 686#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 685#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 684#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 683#L37-3 assume !(main_~i~1#1 < 5); 673#L37-4 havoc main_~i~1#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 674#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 678#L20 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 675#L18-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 676#L18-3 assume !(sep_~i~0#1 < 5); 679#L18-4 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 658#sep_returnLabel#1 main_#t~ret7#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 659#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 670#L20-2 [2024-10-15 00:20:37,323 INFO L747 eck$LassoCheckResult]: Loop: 670#L20-2 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 677#L18-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 681#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 670#L20-2 [2024-10-15 00:20:37,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:20:37,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1567455174, now seen corresponding path program 1 times [2024-10-15 00:20:37,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:20:37,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551013199] [2024-10-15 00:20:37,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:20:37,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:20:37,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:20:37,407 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-15 00:20:37,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:20:37,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551013199] [2024-10-15 00:20:37,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551013199] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-15 00:20:37,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683782587] [2024-10-15 00:20:37,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:20:37,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 00:20:37,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:37,411 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-15 00:20:37,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-10-15 00:20:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:20:37,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-15 00:20:37,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:20:37,500 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-15 00:20:37,500 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-15 00:20:37,517 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-15 00:20:37,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683782587] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-15 00:20:37,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-15 00:20:37,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-15 00:20:37,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918127752] [2024-10-15 00:20:37,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-15 00:20:37,518 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:20:37,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:20:37,519 INFO L85 PathProgramCache]: Analyzing trace with hash 77576, now seen corresponding path program 2 times [2024-10-15 00:20:37,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:20:37,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732399757] [2024-10-15 00:20:37,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:20:37,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:20:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:37,525 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:20:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:37,542 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:20:37,579 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 [2024-10-15 00:20:37,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:20:37,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-15 00:20:37,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-15 00:20:37,623 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 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) [2024-10-15 00:20:37,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:20:37,706 INFO L93 Difference]: Finished difference Result 60 states and 76 transitions. [2024-10-15 00:20:37,706 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 76 transitions. [2024-10-15 00:20:37,707 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2024-10-15 00:20:37,708 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 60 states and 76 transitions. [2024-10-15 00:20:37,708 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2024-10-15 00:20:37,708 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2024-10-15 00:20:37,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 60 states and 76 transitions. [2024-10-15 00:20:37,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:20:37,708 INFO L218 hiAutomatonCegarLoop]: Abstraction has 60 states and 76 transitions. [2024-10-15 00:20:37,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states and 76 transitions. [2024-10-15 00:20:37,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 50. [2024-10-15 00:20:37,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.26) internal successors, (63), 49 states have internal predecessors, (63), 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) [2024-10-15 00:20:37,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 63 transitions. [2024-10-15 00:20:37,714 INFO L240 hiAutomatonCegarLoop]: Abstraction has 50 states and 63 transitions. [2024-10-15 00:20:37,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-15 00:20:37,715 INFO L425 stractBuchiCegarLoop]: Abstraction has 50 states and 63 transitions. [2024-10-15 00:20:37,715 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-10-15 00:20:37,715 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 63 transitions. [2024-10-15 00:20:37,715 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2024-10-15 00:20:37,716 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:20:37,716 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:20:37,716 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:20:37,716 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-15 00:20:37,717 INFO L745 eck$LassoCheckResult]: Stem: 905#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 888#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post6#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 889#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 882#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 883#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 908#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 925#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 922#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 921#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 920#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 918#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 915#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 914#L37-3 assume !(main_~i~1#1 < 5); 895#L37-4 havoc main_~i~1#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 896#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 899#L20 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 909#L18-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 900#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 901#L20 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 897#L18-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 898#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 929#L20 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 928#L18-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 927#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 924#L20 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 926#L18-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 923#L18-3 assume !(sep_~i~0#1 < 5); 902#L18-4 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 880#sep_returnLabel#1 main_#t~ret7#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 881#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 892#L20-2 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 906#L18-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 907#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 903#L20-2 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 904#L18-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 919#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 917#L20-2 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 916#L18-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 913#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 911#L20-2 [2024-10-15 00:20:37,717 INFO L747 eck$LassoCheckResult]: Loop: 911#L20-2 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 912#L18-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 910#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 911#L20-2 [2024-10-15 00:20:37,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:20:37,718 INFO L85 PathProgramCache]: Analyzing trace with hash -534676351, now seen corresponding path program 1 times [2024-10-15 00:20:37,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:20:37,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049207618] [2024-10-15 00:20:37,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:20:37,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:20:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:20:37,910 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-10-15 00:20:37,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:20:37,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049207618] [2024-10-15 00:20:37,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049207618] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-15 00:20:37,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310446166] [2024-10-15 00:20:37,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:20:37,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 00:20:37,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:37,913 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-15 00:20:37,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-10-15 00:20:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:20:38,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-15 00:20:38,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:20:38,034 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-10-15 00:20:38,034 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-15 00:20:38,079 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-10-15 00:20:38,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310446166] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-15 00:20:38,081 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-15 00:20:38,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2024-10-15 00:20:38,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459587234] [2024-10-15 00:20:38,082 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-15 00:20:38,082 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:20:38,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:20:38,083 INFO L85 PathProgramCache]: Analyzing trace with hash 77576, now seen corresponding path program 3 times [2024-10-15 00:20:38,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:20:38,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367857928] [2024-10-15 00:20:38,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:20:38,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:20:38,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:38,089 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:20:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:38,095 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:20:38,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:20:38,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-15 00:20:38,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-10-15 00:20:38,152 INFO L87 Difference]: Start difference. First operand 50 states and 63 transitions. cyclomatic complexity: 18 Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 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) [2024-10-15 00:20:38,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:20:38,232 INFO L93 Difference]: Finished difference Result 69 states and 88 transitions. [2024-10-15 00:20:38,232 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 88 transitions. [2024-10-15 00:20:38,233 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2024-10-15 00:20:38,233 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 69 states and 88 transitions. [2024-10-15 00:20:38,233 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2024-10-15 00:20:38,234 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2024-10-15 00:20:38,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 88 transitions. [2024-10-15 00:20:38,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:20:38,234 INFO L218 hiAutomatonCegarLoop]: Abstraction has 69 states and 88 transitions. [2024-10-15 00:20:38,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 88 transitions. [2024-10-15 00:20:38,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 56. [2024-10-15 00:20:38,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 56 states have (on average 1.2678571428571428) internal successors, (71), 55 states have internal predecessors, (71), 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) [2024-10-15 00:20:38,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 71 transitions. [2024-10-15 00:20:38,241 INFO L240 hiAutomatonCegarLoop]: Abstraction has 56 states and 71 transitions. [2024-10-15 00:20:38,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-15 00:20:38,242 INFO L425 stractBuchiCegarLoop]: Abstraction has 56 states and 71 transitions. [2024-10-15 00:20:38,243 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-10-15 00:20:38,243 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states and 71 transitions. [2024-10-15 00:20:38,243 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2024-10-15 00:20:38,244 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:20:38,244 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:20:38,245 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:20:38,245 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-15 00:20:38,245 INFO L745 eck$LassoCheckResult]: Stem: 1261#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 1246#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post6#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1247#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 1240#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1241#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 1263#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1280#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 1278#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1276#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 1274#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1272#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 1269#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1268#L37-3 assume !(main_~i~1#1 < 5); 1253#L37-4 havoc main_~i~1#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1254#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1257#L20 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1255#L18-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1256#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1258#L20 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1293#L18-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1292#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1291#L20 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1290#L18-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1289#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1288#L20 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1287#L18-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1286#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1284#L20 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1285#L18-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1283#L18-3 assume !(sep_~i~0#1 < 5); 1259#L18-4 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 1238#sep_returnLabel#1 main_#t~ret7#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1239#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1250#L20-2 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1260#L18-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1262#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1282#L20-2 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1281#L18-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1279#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1277#L20-2 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1275#L18-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1273#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1271#L20-2 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1270#L18-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1267#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1265#L20-2 [2024-10-15 00:20:38,246 INFO L747 eck$LassoCheckResult]: Loop: 1265#L20-2 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 1266#L18-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1264#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1265#L20-2 [2024-10-15 00:20:38,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:20:38,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1616244090, now seen corresponding path program 2 times [2024-10-15 00:20:38,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:20:38,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535688994] [2024-10-15 00:20:38,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:20:38,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:20:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:38,384 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:20:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:38,526 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:20:38,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:20:38,527 INFO L85 PathProgramCache]: Analyzing trace with hash 77576, now seen corresponding path program 4 times [2024-10-15 00:20:38,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:20:38,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025460316] [2024-10-15 00:20:38,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:20:38,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:20:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:38,533 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:20:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:38,536 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:20:38,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:20:38,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1350622481, now seen corresponding path program 1 times [2024-10-15 00:20:38,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:20:38,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700715592] [2024-10-15 00:20:38,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:20:38,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:20:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:20:38,754 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-15 00:20:38,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:20:38,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700715592] [2024-10-15 00:20:38,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700715592] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-15 00:20:38,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726854986] [2024-10-15 00:20:38,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:20:38,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 00:20:38,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:38,757 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-15 00:20:38,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-10-15 00:20:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:20:38,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-15 00:20:38,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:20:38,911 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-15 00:20:38,911 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-15 00:20:38,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726854986] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:20:38,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-15 00:20:38,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2024-10-15 00:20:38,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033975985] [2024-10-15 00:20:38,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:20:38,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:20:38,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-15 00:20:38,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-10-15 00:20:38,971 INFO L87 Difference]: Start difference. First operand 56 states and 71 transitions. cyclomatic complexity: 20 Second operand has 8 states, 7 states have (on average 4.0) internal successors, (28), 8 states have internal predecessors, (28), 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) [2024-10-15 00:20:39,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:20:39,047 INFO L93 Difference]: Finished difference Result 69 states and 85 transitions. [2024-10-15 00:20:39,048 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 85 transitions. [2024-10-15 00:20:39,048 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-15 00:20:39,049 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 52 states and 63 transitions. [2024-10-15 00:20:39,049 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2024-10-15 00:20:39,049 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2024-10-15 00:20:39,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 63 transitions. [2024-10-15 00:20:39,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:20:39,049 INFO L218 hiAutomatonCegarLoop]: Abstraction has 52 states and 63 transitions. [2024-10-15 00:20:39,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 63 transitions. [2024-10-15 00:20:39,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-10-15 00:20:39,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.2115384615384615) internal successors, (63), 51 states have internal predecessors, (63), 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) [2024-10-15 00:20:39,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2024-10-15 00:20:39,052 INFO L240 hiAutomatonCegarLoop]: Abstraction has 52 states and 63 transitions. [2024-10-15 00:20:39,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-15 00:20:39,053 INFO L425 stractBuchiCegarLoop]: Abstraction has 52 states and 63 transitions. [2024-10-15 00:20:39,053 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-10-15 00:20:39,053 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 63 transitions. [2024-10-15 00:20:39,054 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-15 00:20:39,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:20:39,054 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:20:39,054 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:20:39,055 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-15 00:20:39,055 INFO L745 eck$LassoCheckResult]: Stem: 1536#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 1524#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post6#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1525#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 1520#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1521#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 1538#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1569#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 1568#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1567#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 1566#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1565#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet5#1; 1563#L37-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1562#L37-3 assume !(main_~i~1#1 < 5); 1529#L37-4 havoc main_~i~1#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1530#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1558#L20 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1531#L18-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1532#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1533#L20 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1539#L18-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1555#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1553#L20 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1551#L18-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1549#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1547#L20 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1545#L18-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1543#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1542#L20 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1541#L18-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1540#L18-3 assume !(sep_~i~0#1 < 5); 1534#L18-4 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 1518#sep_returnLabel#1 main_#t~ret7#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1519#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1526#L20-2 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1535#L18-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1537#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1564#L20-2 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1561#L18-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1560#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1559#L20-2 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1557#L18-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1556#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1554#L20-2 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1552#L18-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1550#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem1#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1548#L20-2 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1546#L18-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1544#L18-8 assume !(sep_~i~0#1 < 5); 1527#L18-9 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 1528#sep_returnLabel#2 main_#t~ret10#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret2~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1;call main_#t~mem11#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem11#1;havoc main_#t~mem11#1;main_~i~2#1 := 0; 1523#L46-3 [2024-10-15 00:20:39,056 INFO L747 eck$LassoCheckResult]: Loop: 1523#L46-3 assume !!(main_~i~2#1 < 4);call main_#t~mem12#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~2#1), 4);call write~int#1(main_#t~mem12#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~2#1, 4);havoc main_#t~mem12#1; 1522#L46-2 main_#t~post13#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1; 1523#L46-3 [2024-10-15 00:20:39,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:20:39,056 INFO L85 PathProgramCache]: Analyzing trace with hash -866233935, now seen corresponding path program 1 times [2024-10-15 00:20:39,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:20:39,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110156545] [2024-10-15 00:20:39,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:20:39,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:20:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:39,151 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:20:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:39,254 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:20:39,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:20:39,255 INFO L85 PathProgramCache]: Analyzing trace with hash 3075, now seen corresponding path program 1 times [2024-10-15 00:20:39,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:20:39,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110588618] [2024-10-15 00:20:39,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:20:39,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:20:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:39,263 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:20:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:39,266 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:20:39,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:20:39,267 INFO L85 PathProgramCache]: Analyzing trace with hash 772846003, now seen corresponding path program 1 times [2024-10-15 00:20:39,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:20:39,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392518863] [2024-10-15 00:20:39,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:20:39,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:20:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:39,419 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:20:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:20:39,544 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:20:43,770 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:20:43,770 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:20:43,770 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:20:43,770 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:20:43,770 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:20:43,770 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:43,770 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:20:43,770 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:20:43,770 INFO L132 ssoRankerPreferences]: Filename of dumped script: sep05-1.i_Iteration10_Lasso [2024-10-15 00:20:43,770 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:20:43,770 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:20:43,773 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:43,778 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:43,780 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:43,783 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:43,785 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:43,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:43,789 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:43,791 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:43,793 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:43,795 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:43,797 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:43,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:43,801 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:43,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:43,804 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:43,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:43,809 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:43,811 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:43,813 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:43,815 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:43,817 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:43,828 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:43,832 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:43,834 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:43,836 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:43,838 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:43,840 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:44,343 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:20:44,751 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:20:44,752 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:20:44,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:44,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:44,755 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) [2024-10-15 00:20:44,756 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 [2024-10-15 00:20:44,757 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 [2024-10-15 00:20:44,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:44,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:44,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:44,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:44,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:44,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:44,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:44,775 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:44,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-10-15 00:20:44,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:44,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:44,796 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) [2024-10-15 00:20:44,799 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 [2024-10-15 00:20:44,800 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 [2024-10-15 00:20:44,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:44,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:44,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:44,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:44,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:44,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:44,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:44,818 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:44,834 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-10-15 00:20:44,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:44,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:44,835 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) [2024-10-15 00:20:44,836 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 [2024-10-15 00:20:44,837 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 [2024-10-15 00:20:44,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:44,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:44,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:44,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:44,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:44,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:44,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:44,849 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:44,860 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-10-15 00:20:44,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:44,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:44,862 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) [2024-10-15 00:20:44,864 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 [2024-10-15 00:20:44,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 00:20:44,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:44,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:44,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:44,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:44,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:44,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:44,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:44,880 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:44,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-10-15 00:20:44,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:44,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:44,897 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:20:44,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-10-15 00:20:44,898 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 [2024-10-15 00:20:44,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:44,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:44,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:44,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:44,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:44,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:44,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:44,911 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:44,922 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-10-15 00:20:44,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:44,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:44,925 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:20:44,928 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 [2024-10-15 00:20:44,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-10-15 00:20:44,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:44,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:44,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:44,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:44,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:44,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:44,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:44,946 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:44,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2024-10-15 00:20:44,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:44,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:44,968 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:20:44,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-10-15 00:20:44,971 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 [2024-10-15 00:20:44,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:44,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:44,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:44,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:44,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:44,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:44,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:44,985 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:44,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2024-10-15 00:20:44,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:44,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:44,998 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:20:44,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-10-15 00:20:45,000 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 [2024-10-15 00:20:45,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:45,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:45,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:45,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:45,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:45,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:45,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:45,014 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:45,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2024-10-15 00:20:45,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:45,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:45,027 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:20:45,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-10-15 00:20:45,028 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 [2024-10-15 00:20:45,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:45,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:45,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:45,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:45,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:45,040 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:45,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:45,041 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:45,052 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-10-15 00:20:45,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:45,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:45,053 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:20:45,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-10-15 00:20:45,055 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 [2024-10-15 00:20:45,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:45,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:45,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:45,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:45,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:45,066 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:45,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:45,067 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:45,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2024-10-15 00:20:45,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:45,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:45,080 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:20:45,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-10-15 00:20:45,082 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 [2024-10-15 00:20:45,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:45,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:45,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:45,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:45,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:45,093 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:45,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:45,094 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:45,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-10-15 00:20:45,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:45,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:45,107 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:20:45,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-10-15 00:20:45,109 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 [2024-10-15 00:20:45,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:45,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:45,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:45,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:45,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:45,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:45,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:45,121 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:45,132 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2024-10-15 00:20:45,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:45,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:45,134 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:20:45,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-10-15 00:20:45,135 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 [2024-10-15 00:20:45,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:45,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:45,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:45,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:45,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:45,146 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:45,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:45,149 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:45,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2024-10-15 00:20:45,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:45,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:45,165 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:20:45,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-10-15 00:20:45,167 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 [2024-10-15 00:20:45,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:45,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:45,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:45,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:45,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:45,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:45,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:45,179 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:45,190 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2024-10-15 00:20:45,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:45,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:45,191 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:20:45,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-10-15 00:20:45,193 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 [2024-10-15 00:20:45,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:45,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:45,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:45,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:45,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:45,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:45,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:45,205 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:45,216 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2024-10-15 00:20:45,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:45,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:45,218 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:20:45,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-10-15 00:20:45,221 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 [2024-10-15 00:20:45,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:45,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:45,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:45,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:45,233 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:20:45,233 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:20:45,236 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:45,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2024-10-15 00:20:45,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:45,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:45,249 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:20:45,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-10-15 00:20:45,250 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 [2024-10-15 00:20:45,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:45,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:45,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:45,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:45,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:45,261 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:45,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:45,263 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:45,273 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2024-10-15 00:20:45,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:45,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:45,275 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:20:45,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-10-15 00:20:45,278 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 [2024-10-15 00:20:45,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:45,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:45,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:45,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:45,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:45,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:45,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:45,291 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:45,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2024-10-15 00:20:45,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:45,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:45,303 INFO L229 MonitoredProcess]: Starting monitored process 59 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) [2024-10-15 00:20:45,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-10-15 00:20:45,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 00:20:45,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:45,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:45,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:45,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:45,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:45,315 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:45,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:45,317 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:45,327 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2024-10-15 00:20:45,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:45,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:45,329 INFO L229 MonitoredProcess]: Starting monitored process 60 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) [2024-10-15 00:20:45,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-10-15 00:20:45,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 00:20:45,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:45,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:45,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:45,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:45,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:45,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:45,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:45,344 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:45,355 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2024-10-15 00:20:45,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:45,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:45,356 INFO L229 MonitoredProcess]: Starting monitored process 61 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) [2024-10-15 00:20:45,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-10-15 00:20:45,358 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 [2024-10-15 00:20:45,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:45,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:45,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:45,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:45,370 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:20:45,370 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:20:45,373 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:45,386 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2024-10-15 00:20:45,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:45,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:45,388 INFO L229 MonitoredProcess]: Starting monitored process 62 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) [2024-10-15 00:20:45,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-10-15 00:20:45,390 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 [2024-10-15 00:20:45,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:45,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:45,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:45,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:45,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:20:45,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:20:45,404 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:45,415 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2024-10-15 00:20:45,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:45,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:45,417 INFO L229 MonitoredProcess]: Starting monitored process 63 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) [2024-10-15 00:20:45,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2024-10-15 00:20:45,419 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 [2024-10-15 00:20:45,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:45,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:45,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:45,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:45,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:45,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:45,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:45,431 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:45,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2024-10-15 00:20:45,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:45,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:45,445 INFO L229 MonitoredProcess]: Starting monitored process 64 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) [2024-10-15 00:20:45,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2024-10-15 00:20:45,447 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 [2024-10-15 00:20:45,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:45,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:45,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:45,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:45,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:45,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:45,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:45,464 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:45,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2024-10-15 00:20:45,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:45,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:45,477 INFO L229 MonitoredProcess]: Starting monitored process 65 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) [2024-10-15 00:20:45,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2024-10-15 00:20:45,478 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 [2024-10-15 00:20:45,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:45,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:45,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:45,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:45,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:45,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:45,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:45,490 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:45,501 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2024-10-15 00:20:45,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:45,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:45,503 INFO L229 MonitoredProcess]: Starting monitored process 66 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) [2024-10-15 00:20:45,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2024-10-15 00:20:45,505 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 [2024-10-15 00:20:45,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:45,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:20:45,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:45,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:45,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:45,517 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:20:45,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:20:45,518 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:45,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2024-10-15 00:20:45,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:45,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:45,531 INFO L229 MonitoredProcess]: Starting monitored process 67 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) [2024-10-15 00:20:45,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2024-10-15 00:20:45,533 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 [2024-10-15 00:20:45,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:45,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:45,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:45,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:45,545 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:20:45,545 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:20:45,550 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:45,566 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2024-10-15 00:20:45,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:45,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:45,567 INFO L229 MonitoredProcess]: Starting monitored process 68 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) [2024-10-15 00:20:45,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2024-10-15 00:20:45,569 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 [2024-10-15 00:20:45,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:45,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:45,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:45,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:45,581 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:20:45,581 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:20:45,584 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:45,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2024-10-15 00:20:45,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:45,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:45,597 INFO L229 MonitoredProcess]: Starting monitored process 69 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) [2024-10-15 00:20:45,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2024-10-15 00:20:45,599 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 [2024-10-15 00:20:45,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:45,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:45,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:45,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:45,610 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:20:45,610 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:20:45,613 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:45,624 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2024-10-15 00:20:45,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:45,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:45,626 INFO L229 MonitoredProcess]: Starting monitored process 70 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) [2024-10-15 00:20:45,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2024-10-15 00:20:45,628 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 [2024-10-15 00:20:45,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:45,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:45,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:45,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:45,640 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:20:45,640 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:20:45,643 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:20:45,654 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2024-10-15 00:20:45,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:45,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:45,656 INFO L229 MonitoredProcess]: Starting monitored process 71 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) [2024-10-15 00:20:45,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2024-10-15 00:20:45,658 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 [2024-10-15 00:20:45,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:20:45,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:20:45,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:20:45,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:20:45,671 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:20:45,671 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:20:45,676 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:20:45,683 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-10-15 00:20:45,684 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-10-15 00:20:45,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:20:45,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:20:45,685 INFO L229 MonitoredProcess]: Starting monitored process 72 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) [2024-10-15 00:20:45,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2024-10-15 00:20:45,687 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:20:45,698 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-15 00:20:45,698 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:20:45,698 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~2#1) = -2*ULTIMATE.start_main_~i~2#1 + 7 Supporting invariants [] [2024-10-15 00:20:45,709 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2024-10-15 00:20:45,717 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2024-10-15 00:20:45,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:20:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:20:45,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:20:45,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:20:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:20:45,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-15 00:20:45,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:20:45,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:20:45,883 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 [2024-10-15 00:20:45,884 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 63 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-10-15 00:20:45,901 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 63 transitions. cyclomatic complexity: 13. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 54 states and 66 transitions. Complement of second has 4 states. [2024-10-15 00:20:45,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-15 00:20:45,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-10-15 00:20:45,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2024-10-15 00:20:45,902 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 50 letters. Loop has 2 letters. [2024-10-15 00:20:45,902 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:20:45,902 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 52 letters. Loop has 2 letters. [2024-10-15 00:20:45,903 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:20:45,903 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 50 letters. Loop has 4 letters. [2024-10-15 00:20:45,903 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:20:45,903 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 66 transitions. [2024-10-15 00:20:45,904 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-15 00:20:45,904 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 0 states and 0 transitions. [2024-10-15 00:20:45,904 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-15 00:20:45,904 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-15 00:20:45,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-15 00:20:45,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:20:45,904 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 00:20:45,904 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 00:20:45,904 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 00:20:45,904 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-10-15 00:20:45,904 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-15 00:20:45,904 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-15 00:20:45,905 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-15 00:20:45,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 12:20:45 BoogieIcfgContainer [2024-10-15 00:20:45,916 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-15 00:20:45,917 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-15 00:20:45,917 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-15 00:20:45,917 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-15 00:20:45,917 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:20:31" (3/4) ... [2024-10-15 00:20:45,920 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-15 00:20:45,921 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-15 00:20:45,922 INFO L158 Benchmark]: Toolchain (without parser) took 15555.11ms. Allocated memory was 146.8MB in the beginning and 293.6MB in the end (delta: 146.8MB). Free memory was 93.0MB in the beginning and 105.2MB in the end (delta: -12.2MB). Peak memory consumption was 134.9MB. Max. memory is 16.1GB. [2024-10-15 00:20:45,922 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 146.8MB. Free memory is still 107.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 00:20:45,922 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.58ms. Allocated memory is still 146.8MB. Free memory was 92.6MB in the beginning and 81.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-15 00:20:45,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.41ms. Allocated memory is still 146.8MB. Free memory was 80.7MB in the beginning and 78.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 00:20:45,923 INFO L158 Benchmark]: Boogie Preprocessor took 65.32ms. Allocated memory is still 146.8MB. Free memory was 78.9MB in the beginning and 76.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 00:20:45,923 INFO L158 Benchmark]: RCFGBuilder took 486.62ms. Allocated memory is still 146.8MB. Free memory was 76.5MB in the beginning and 116.7MB in the end (delta: -40.1MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-10-15 00:20:45,923 INFO L158 Benchmark]: BuchiAutomizer took 14654.71ms. Allocated memory was 146.8MB in the beginning and 293.6MB in the end (delta: 146.8MB). Free memory was 116.7MB in the beginning and 105.2MB in the end (delta: 11.5MB). Peak memory consumption was 158.1MB. Max. memory is 16.1GB. [2024-10-15 00:20:45,923 INFO L158 Benchmark]: Witness Printer took 4.69ms. Allocated memory is still 293.6MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 00:20:45,925 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 146.8MB. Free memory is still 107.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.58ms. Allocated memory is still 146.8MB. Free memory was 92.6MB in the beginning and 81.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.41ms. Allocated memory is still 146.8MB. Free memory was 80.7MB in the beginning and 78.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.32ms. Allocated memory is still 146.8MB. Free memory was 78.9MB in the beginning and 76.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 486.62ms. Allocated memory is still 146.8MB. Free memory was 76.5MB in the beginning and 116.7MB in the end (delta: -40.1MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 14654.71ms. Allocated memory was 146.8MB in the beginning and 293.6MB in the end (delta: 146.8MB). Free memory was 116.7MB in the beginning and 105.2MB in the end (delta: 11.5MB). Peak memory consumption was 158.1MB. Max. memory is 16.1GB. * Witness Printer took 4.69ms. Allocated memory is still 293.6MB. Free memory is still 105.2MB. 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: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (7 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function (9 + ((long long) -2 * i)) and consists of 3 locations. One deterministic module has affine ranking function (((long long) -2 * i) + 7) and consists of 3 locations. 7 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.5s and 11 iterations. TraceHistogramMax:5. Analysis of lassos took 13.4s. Construction of modules took 0.2s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 10. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 31 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 209 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 206 mSDsluCounter, 493 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 275 mSDsCounter, 78 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 244 IncrementalHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 78 mSolverCounterUnsat, 218 mSDtfsCounter, 244 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU6 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital245 mio100 ax100 hnf100 lsp90 ukn55 mio100 lsp38 div116 bol100 ite100 ukn100 eq152 hnf93 smp87 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms 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! [2024-10-15 00:20:45,952 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2024-10-15 00:20:46,155 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-10-15 00:20:46,349 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-10-15 00:20:46,550 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-10-15 00:20:46,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-10-15 00:20:46,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-10-15 00:20:47,152 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