./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/termination.prp --file ../../../trunk/examples/svcomp/termination-bwb/and-assume.i --full-output --cacsl2boogietranslator.use.bitabs.translation false --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 514d202d 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 ../../../trunk/examples/svcomp/termination-bwb/and-assume.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8beb7be7ecdb66eb2007be5f75989c5fdc3ddad5d7117f2ded11c36f0703f203 --cacsl2boogietranslator.use.bitabs.translation false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-514d202-m [2024-02-09 14:18:20,842 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-09 14:18:20,912 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-02-09 14:18:20,916 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-09 14:18:20,916 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-09 14:18:20,939 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-09 14:18:20,940 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-09 14:18:20,941 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-09 14:18:20,941 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-09 14:18:20,942 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-09 14:18:20,942 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-09 14:18:20,942 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-09 14:18:20,943 INFO L153 SettingsManager]: * Use SBE=true [2024-02-09 14:18:20,943 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-09 14:18:20,944 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-09 14:18:20,944 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-09 14:18:20,944 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-09 14:18:20,945 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-09 14:18:20,945 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-09 14:18:20,946 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-09 14:18:20,946 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-09 14:18:20,950 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-09 14:18:20,950 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-09 14:18:20,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-09 14:18:20,954 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-09 14:18:20,955 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-09 14:18:20,955 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-09 14:18:20,956 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-09 14:18:20,968 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-09 14:18:20,968 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-09 14:18:20,969 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-09 14:18:20,969 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-09 14:18:20,970 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-09 14:18:20,970 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-09 14:18:20,970 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-09 14:18:20,971 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-09 14:18:20,971 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8beb7be7ecdb66eb2007be5f75989c5fdc3ddad5d7117f2ded11c36f0703f203 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2024-02-09 14:18:21,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-09 14:18:21,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-09 14:18:21,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-09 14:18:21,300 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-09 14:18:21,301 INFO L274 PluginConnector]: CDTParser initialized [2024-02-09 14:18:21,302 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/termination-bwb/and-assume.i [2024-02-09 14:18:22,539 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-09 14:18:22,734 INFO L384 CDTParser]: Found 1 translation units. [2024-02-09 14:18:22,742 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/termination-bwb/and-assume.i [2024-02-09 14:18:22,751 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cc77da1c/272bee6507f94eb988fed5405cabcdef/FLAG128bcd2f6 [2024-02-09 14:18:22,762 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cc77da1c/272bee6507f94eb988fed5405cabcdef [2024-02-09 14:18:22,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-09 14:18:22,765 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-02-09 14:18:22,765 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-09 14:18:22,766 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-09 14:18:22,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-09 14:18:22,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 02:18:22" (1/1) ... [2024-02-09 14:18:22,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6c0bf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:22, skipping insertion in model container [2024-02-09 14:18:22,785 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 02:18:22" (1/1) ... [2024-02-09 14:18:22,819 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-09 14:18:23,034 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-09 14:18:23,041 INFO L202 MainTranslator]: Completed pre-run [2024-02-09 14:18:23,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-09 14:18:23,110 INFO L206 MainTranslator]: Completed translation [2024-02-09 14:18:23,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:23 WrapperNode [2024-02-09 14:18:23,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-09 14:18:23,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-09 14:18:23,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-09 14:18:23,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-09 14:18:23,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:23" (1/1) ... [2024-02-09 14:18:23,125 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:23" (1/1) ... [2024-02-09 14:18:23,140 INFO L138 Inliner]: procedures = 110, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2024-02-09 14:18:23,141 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-09 14:18:23,141 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-09 14:18:23,141 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-09 14:18:23,141 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-09 14:18:23,157 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:23" (1/1) ... [2024-02-09 14:18:23,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:23" (1/1) ... [2024-02-09 14:18:23,162 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:23" (1/1) ... [2024-02-09 14:18:23,167 INFO L175 MemorySlicer]: No memory access in input program. [2024-02-09 14:18:23,167 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:23" (1/1) ... [2024-02-09 14:18:23,168 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:23" (1/1) ... [2024-02-09 14:18:23,176 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:23" (1/1) ... [2024-02-09 14:18:23,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:23" (1/1) ... [2024-02-09 14:18:23,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:23" (1/1) ... [2024-02-09 14:18:23,180 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:23" (1/1) ... [2024-02-09 14:18:23,181 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-09 14:18:23,182 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-09 14:18:23,182 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-09 14:18:23,182 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-09 14:18:23,182 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:23" (1/1) ... [2024-02-09 14:18:23,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:23,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:23,224 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) [2024-02-09 14:18:23,226 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 [2024-02-09 14:18:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-09 14:18:23,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-09 14:18:23,347 INFO L241 CfgBuilder]: Building ICFG [2024-02-09 14:18:23,349 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-09 14:18:23,389 INFO L282 CfgBuilder]: Performing block encoding [2024-02-09 14:18:23,396 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-09 14:18:23,397 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2024-02-09 14:18:23,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 02:18:23 BoogieIcfgContainer [2024-02-09 14:18:23,397 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-09 14:18:23,398 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-09 14:18:23,398 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-09 14:18:23,401 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-09 14:18:23,402 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 14:18:23,402 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.02 02:18:22" (1/3) ... [2024-02-09 14:18:23,403 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d311e92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.02 02:18:23, skipping insertion in model container [2024-02-09 14:18:23,403 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 14:18:23,403 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:23" (2/3) ... [2024-02-09 14:18:23,403 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d311e92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.02 02:18:23, skipping insertion in model container [2024-02-09 14:18:23,404 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 14:18:23,404 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 02:18:23" (3/3) ... [2024-02-09 14:18:23,405 INFO L332 chiAutomizerObserver]: Analyzing ICFG and-assume.i [2024-02-09 14:18:23,443 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-09 14:18:23,444 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-09 14:18:23,444 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-09 14:18:23,444 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-09 14:18:23,444 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-09 14:18:23,445 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-09 14:18:23,445 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-09 14:18:23,445 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-02-09 14:18:23,448 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) [2024-02-09 14:18:23,468 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-02-09 14:18:23,468 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 14:18:23,469 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 14:18:23,473 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-02-09 14:18:23,473 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-02-09 14:18:23,473 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-09 14:18:23,474 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) [2024-02-09 14:18:23,475 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-02-09 14:18:23,476 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 14:18:23,476 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 14:18:23,476 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-02-09 14:18:23,476 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-02-09 14:18:23,482 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~ret6#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~a~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 3#L535true assume !!(main_~a~0#1 > 0); 6#L536-1true [2024-02-09 14:18:23,482 INFO L750 eck$LassoCheckResult]: Loop: 6#L536-1true assume !!(main_~x~0#1 > 0);main_#t~post5#1 := main_~a~0#1;main_~a~0#1 := main_#t~post5#1 - 1;havoc main_#t~post5#1;main_~x~0#1 := main_#t~ret6#1;havoc main_#t~ret6#1; 6#L536-1true [2024-02-09 14:18:23,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:18:23,486 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-02-09 14:18:23,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:18:23,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346433204] [2024-02-09 14:18:23,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:18:23,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:18:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:23,549 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:18:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:23,577 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:18:23,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:18:23,582 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2024-02-09 14:18:23,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:18:23,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142335581] [2024-02-09 14:18:23,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:18:23,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:18:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:23,600 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:18:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:23,606 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:18:23,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:18:23,608 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2024-02-09 14:18:23,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:18:23,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231200643] [2024-02-09 14:18:23,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:18:23,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:18:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:23,619 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:18:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:23,631 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:18:23,708 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 14:18:23,709 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 14:18:23,709 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 14:18:23,709 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 14:18:23,709 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2024-02-09 14:18:23,709 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:23,710 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 14:18:23,710 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 14:18:23,710 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-assume.i_Iteration1_Loop [2024-02-09 14:18:23,710 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 14:18:23,711 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 14:18:23,725 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:18:23,740 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:18:23,752 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:18:23,757 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:18:23,761 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:18:23,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:18:23,896 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 14:18:23,897 INFO L404 LassoAnalysis]: Checking for nontermination... [2024-02-09 14:18:23,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:23,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:23,908 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) [2024-02-09 14:18:23,909 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 [2024-02-09 14:18:23,927 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:18:23,927 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:18:23,953 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:18:23,953 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PID_1=1} Honda state: {v_rep~unnamed0~0~P_PID_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-02-09 14:18:23,957 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 [2024-02-09 14:18:23,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:23,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:23,959 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) [2024-02-09 14:18:23,964 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:18:23,964 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:18:23,980 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 [2024-02-09 14:18:23,982 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:18:23,982 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=3, ULTIMATE.start_main_#t~ret6#1=3} Honda state: {ULTIMATE.start_main_~x~0#1=3, ULTIMATE.start_main_#t~ret6#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-02-09 14:18:23,992 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 [2024-02-09 14:18:23,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:23,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:23,994 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) [2024-02-09 14:18:23,999 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 [2024-02-09 14:18:24,000 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:18:24,004 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:18:24,023 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:18:24,023 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PGID_1=2} Honda state: {v_rep~unnamed0~0~P_PGID_1=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-02-09 14:18:24,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-02-09 14:18:24,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:24,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:24,045 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) [2024-02-09 14:18:24,046 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 [2024-02-09 14:18:24,047 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:18:24,047 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:18:24,064 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:18:24,064 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_ALL_1=0} Honda state: {v_rep~unnamed0~0~P_ALL_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-02-09 14:18:24,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-02-09 14:18:24,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:24,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:24,071 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) [2024-02-09 14:18:24,073 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 [2024-02-09 14:18:24,074 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:18:24,074 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:18:24,089 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:18:24,089 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5#1=0} Honda state: {ULTIMATE.start_main_#t~post5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-02-09 14:18:24,096 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 [2024-02-09 14:18:24,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:24,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:24,098 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) [2024-02-09 14:18:24,108 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 [2024-02-09 14:18:24,148 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:18:24,148 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:18:24,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-02-09 14:18:24,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:24,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:24,197 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) [2024-02-09 14:18:24,203 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-09 14:18:24,203 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:18:24,219 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 [2024-02-09 14:18:24,231 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:18:24,232 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0#1=0} Honda state: {ULTIMATE.start_main_~a~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0#1=-6}, {ULTIMATE.start_main_~a~0#1=-1}, {ULTIMATE.start_main_~a~0#1=6}] Lambdas: [1, 7, 1] Nus: [0, 1] [2024-02-09 14:18:24,244 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-02-09 14:18:24,252 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 14:18:24,252 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 14:18:24,252 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 14:18:24,252 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 14:18:24,252 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2024-02-09 14:18:24,252 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:24,252 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 14:18:24,253 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 14:18:24,253 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-assume.i_Iteration1_Lasso [2024-02-09 14:18:24,253 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 14:18:24,253 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 14:18:24,255 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:18:24,262 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:18:24,265 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:18:24,272 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:18:24,275 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:18:24,279 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:18:24,284 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:18:24,288 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:18:24,291 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:18:24,348 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 14:18:24,349 INFO L404 LassoAnalysis]: Checking for nontermination... [2024-02-09 14:18:24,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:24,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:24,350 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) [2024-02-09 14:18:24,357 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:18:24,357 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:18:24,363 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 [2024-02-09 14:18:24,378 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:18:24,379 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5#1=0} Honda state: {ULTIMATE.start_main_#t~post5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-02-09 14:18:24,384 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-02-09 14:18:24,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:24,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:24,386 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) [2024-02-09 14:18:24,387 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 [2024-02-09 14:18:24,388 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:18:24,388 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:18:24,402 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:18:24,402 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PID_2=1} Honda state: {v_rep~unnamed0~0~P_PID_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-02-09 14:18:24,406 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 [2024-02-09 14:18:24,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:24,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:24,407 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) [2024-02-09 14:18:24,427 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 [2024-02-09 14:18:24,431 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:18:24,432 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:18:24,447 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:18:24,448 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=3, ULTIMATE.start_main_#t~ret6#1=3} Honda state: {ULTIMATE.start_main_~x~0#1=3, ULTIMATE.start_main_#t~ret6#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-02-09 14:18:24,451 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 [2024-02-09 14:18:24,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:24,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:24,454 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) [2024-02-09 14:18:24,454 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 [2024-02-09 14:18:24,496 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:18:24,497 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:18:24,506 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:18:24,506 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=0} Honda state: {ULTIMATE.start_main_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-02-09 14:18:24,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-02-09 14:18:24,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:24,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:24,510 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) [2024-02-09 14:18:24,512 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 [2024-02-09 14:18:24,513 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:18:24,514 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:18:24,531 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:18:24,531 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-02-09 14:18:24,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-02-09 14:18:24,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:24,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:24,537 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) [2024-02-09 14:18:24,539 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 [2024-02-09 14:18:24,540 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:18:24,540 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:18:24,557 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:18:24,558 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PGID_2=2} Honda state: {v_rep~unnamed0~0~P_PGID_2=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-02-09 14:18:24,564 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 [2024-02-09 14:18:24,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:24,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:24,718 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) [2024-02-09 14:18:24,720 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 [2024-02-09 14:18:24,723 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:18:24,723 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:18:24,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-02-09 14:18:24,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:24,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:24,743 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) [2024-02-09 14:18:24,746 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 [2024-02-09 14:18:24,753 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-09 14:18:24,754 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:18:24,774 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:18:24,774 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0#1=0} Honda state: {ULTIMATE.start_main_~a~0#1=1} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0#1=6}, {ULTIMATE.start_main_~a~0#1=-2}, {ULTIMATE.start_main_~a~0#1=-5}] Lambdas: [1, 1, 1] Nus: [0, 0] [2024-02-09 14:18:24,780 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 [2024-02-09 14:18:24,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:24,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:24,782 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) [2024-02-09 14:18:24,787 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:18:24,787 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:18:24,808 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 [2024-02-09 14:18:24,808 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:18:24,808 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4#1=0} Honda state: {ULTIMATE.start_main_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-02-09 14:18:24,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-02-09 14:18:24,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:24,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:24,816 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) [2024-02-09 14:18:24,821 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:18:24,821 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:18:24,832 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 [2024-02-09 14:18:24,834 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:18:24,834 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_ALL_2=0} Honda state: {v_rep~unnamed0~0~P_ALL_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-02-09 14:18:24,847 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 [2024-02-09 14:18:24,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.02 02:18:24 BoogieIcfgContainer [2024-02-09 14:18:24,853 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-09 14:18:24,854 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-02-09 14:18:24,855 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-02-09 14:18:24,855 INFO L274 PluginConnector]: Witness Printer initialized [2024-02-09 14:18:24,855 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 02:18:23" (3/4) ... [2024-02-09 14:18:24,857 INFO L140 WitnessPrinter]: No result that supports witness generation found [2024-02-09 14:18:24,858 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-02-09 14:18:24,864 INFO L158 Benchmark]: Toolchain (without parser) took 2094.76ms. Allocated memory was 184.5MB in the beginning and 299.9MB in the end (delta: 115.3MB). Free memory was 126.6MB in the beginning and 259.5MB in the end (delta: -132.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-09 14:18:24,864 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 184.5MB. Free memory is still 149.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-09 14:18:24,865 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.30ms. Allocated memory is still 184.5MB. Free memory was 126.6MB in the beginning and 110.8MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-02-09 14:18:24,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.43ms. Allocated memory is still 184.5MB. Free memory was 110.8MB in the beginning and 109.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-09 14:18:24,865 INFO L158 Benchmark]: Boogie Preprocessor took 39.71ms. Allocated memory is still 184.5MB. Free memory was 109.1MB in the beginning and 107.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-09 14:18:24,866 INFO L158 Benchmark]: RCFGBuilder took 215.89ms. Allocated memory is still 184.5MB. Free memory was 107.0MB in the beginning and 98.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-02-09 14:18:24,866 INFO L158 Benchmark]: BuchiAutomizer took 1455.44ms. Allocated memory was 184.5MB in the beginning and 299.9MB in the end (delta: 115.3MB). Free memory was 98.6MB in the beginning and 259.5MB in the end (delta: -161.0MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. [2024-02-09 14:18:24,867 INFO L158 Benchmark]: Witness Printer took 4.50ms. Allocated memory is still 299.9MB. Free memory is still 259.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-09 14:18:24,869 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 184.5MB. Free memory is still 149.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.30ms. Allocated memory is still 184.5MB. Free memory was 126.6MB in the beginning and 110.8MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.43ms. Allocated memory is still 184.5MB. Free memory was 110.8MB in the beginning and 109.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.71ms. Allocated memory is still 184.5MB. Free memory was 109.1MB in the beginning and 107.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 215.89ms. Allocated memory is still 184.5MB. Free memory was 107.0MB in the beginning and 98.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1455.44ms. Allocated memory was 184.5MB in the beginning and 299.9MB in the end (delta: 115.3MB). Free memory was 98.6MB in the beginning and 259.5MB in the end (delta: -161.0MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. * Witness Printer took 4.50ms. Allocated memory is still 299.9MB. Free memory is still 259.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax232 hnf100 lsp24 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq162 hnf100 smp100 dnf100 smp100 tf108 neg100 sie107 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 13 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer cannot decide termination for the following lasso because it contains the following overapproximations. Overapproximations C: x&a [538] (Reason bitwise operation) Lasso Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~ret6#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~a~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !!(main_~a~0#1 > 0);" Loop: "assume !!(main_~x~0#1 > 0);main_#t~post5#1 := main_~a~0#1;main_~a~0#1 := main_#t~post5#1 - 1;havoc main_#t~post5#1;main_~x~0#1 := main_#t~ret6#1;havoc main_#t~ret6#1;" RESULT: Ultimate could not prove your program: unable to determine termination [2024-02-09 14:18:24,891 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 Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN