./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/termination.prp --file ../../../trunk/examples/svcomp/termination-bwb/or-05-false.c --full-output --cacsl2boogietranslator.use.bitabs.translation true --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/or-05-false.c -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 845007623a36603ce9e482c6d1c5ed14d19fc3060912cf335e291aaec83159aa --cacsl2boogietranslator.use.bitabs.translation true --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-514d202-m [2024-02-09 14:17:51,234 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-09 14:17:51,353 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-02-09 14:17:51,356 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-09 14:17:51,356 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-09 14:17:51,377 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-09 14:17:51,377 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-09 14:17:51,378 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-09 14:17:51,378 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-09 14:17:51,381 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-09 14:17:51,382 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-09 14:17:51,382 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-09 14:17:51,383 INFO L153 SettingsManager]: * Use SBE=true [2024-02-09 14:17:51,384 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-09 14:17:51,384 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-09 14:17:51,384 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-09 14:17:51,384 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-09 14:17:51,385 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-09 14:17:51,385 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-09 14:17:51,385 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-09 14:17:51,385 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-09 14:17:51,386 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-09 14:17:51,386 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-09 14:17:51,386 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-09 14:17:51,386 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-09 14:17:51,386 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-09 14:17:51,387 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-09 14:17:51,387 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-09 14:17:51,387 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-09 14:17:51,387 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-09 14:17:51,388 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-09 14:17:51,388 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-09 14:17:51,388 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-09 14:17:51,389 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-09 14:17:51,389 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-09 14:17:51,389 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-09 14:17:51,390 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 845007623a36603ce9e482c6d1c5ed14d19fc3060912cf335e291aaec83159aa Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2024-02-09 14:17:51,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-09 14:17:51,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-09 14:17:51,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-09 14:17:51,613 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-09 14:17:51,613 INFO L274 PluginConnector]: CDTParser initialized [2024-02-09 14:17:51,616 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/termination-bwb/or-05-false.c [2024-02-09 14:17:52,724 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-09 14:17:52,881 INFO L384 CDTParser]: Found 1 translation units. [2024-02-09 14:17:52,882 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/termination-bwb/or-05-false.c [2024-02-09 14:17:52,891 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0930c64a5/774e9bd2b36440539e2267e5b858a888/FLAG5599ee378 [2024-02-09 14:17:52,905 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0930c64a5/774e9bd2b36440539e2267e5b858a888 [2024-02-09 14:17:52,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-09 14:17:52,910 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-02-09 14:17:52,914 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-09 14:17:52,914 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-09 14:17:52,918 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-09 14:17:52,919 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 02:17:52" (1/1) ... [2024-02-09 14:17:52,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@db17f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:52, skipping insertion in model container [2024-02-09 14:17:52,919 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 02:17:52" (1/1) ... [2024-02-09 14:17:52,935 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-09 14:17:53,034 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-09 14:17:53,039 INFO L202 MainTranslator]: Completed pre-run [2024-02-09 14:17:53,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-09 14:17:53,062 INFO L206 MainTranslator]: Completed translation [2024-02-09 14:17:53,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:53 WrapperNode [2024-02-09 14:17:53,063 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-09 14:17:53,065 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-09 14:17:53,065 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-09 14:17:53,065 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-09 14:17:53,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:53" (1/1) ... [2024-02-09 14:17:53,073 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:53" (1/1) ... [2024-02-09 14:17:53,086 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-02-09 14:17:53,086 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-09 14:17:53,087 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-09 14:17:53,087 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-09 14:17:53,087 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-09 14:17:53,094 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:53" (1/1) ... [2024-02-09 14:17:53,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:53" (1/1) ... [2024-02-09 14:17:53,095 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:53" (1/1) ... [2024-02-09 14:17:53,099 INFO L175 MemorySlicer]: No memory access in input program. [2024-02-09 14:17:53,099 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:53" (1/1) ... [2024-02-09 14:17:53,100 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:53" (1/1) ... [2024-02-09 14:17:53,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:53" (1/1) ... [2024-02-09 14:17:53,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:53" (1/1) ... [2024-02-09 14:17:53,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:53" (1/1) ... [2024-02-09 14:17:53,105 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:53" (1/1) ... [2024-02-09 14:17:53,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-09 14:17:53,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-09 14:17:53,111 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-09 14:17:53,111 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-09 14:17:53,112 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:53" (1/1) ... [2024-02-09 14:17:53,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:53,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:53,145 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 14:17:53,170 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 14:17:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-09 14:17:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-09 14:17:53,260 INFO L241 CfgBuilder]: Building ICFG [2024-02-09 14:17:53,263 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-09 14:17:53,369 INFO L282 CfgBuilder]: Performing block encoding [2024-02-09 14:17:53,376 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-09 14:17:53,376 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2024-02-09 14:17:53,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 02:17:53 BoogieIcfgContainer [2024-02-09 14:17:53,377 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-09 14:17:53,377 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-09 14:17:53,377 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-09 14:17:53,380 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-09 14:17:53,381 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 14:17:53,381 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.02 02:17:52" (1/3) ... [2024-02-09 14:17:53,381 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7949cd06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.02 02:17:53, skipping insertion in model container [2024-02-09 14:17:53,382 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 14:17:53,382 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:53" (2/3) ... [2024-02-09 14:17:53,382 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7949cd06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.02 02:17:53, skipping insertion in model container [2024-02-09 14:17:53,382 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 14:17:53,382 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 02:17:53" (3/3) ... [2024-02-09 14:17:53,383 INFO L332 chiAutomizerObserver]: Analyzing ICFG or-05-false.c [2024-02-09 14:17:53,427 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-09 14:17:53,427 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-09 14:17:53,427 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-09 14:17:53,427 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-09 14:17:53,428 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-09 14:17:53,428 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-09 14:17:53,428 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-09 14:17:53,428 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-02-09 14:17:53,431 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 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) [2024-02-09 14:17:53,442 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-02-09 14:17:53,442 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 14:17:53,442 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 14:17:53,446 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-02-09 14:17:53,446 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-02-09 14:17:53,446 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-09 14:17:53,446 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 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) [2024-02-09 14:17:53,447 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-02-09 14:17:53,447 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 14:17:53,447 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 14:17:53,447 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-02-09 14:17:53,448 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-02-09 14:17:53,453 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 0; 5#L20-2true [2024-02-09 14:17:53,453 INFO L750 eck$LassoCheckResult]: Loop: 5#L20-2true assume !!(main_~x~0#1 > 0); 11#L20true assume !(1 == main_~y~0#1);main_~y~0#1 := 1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 5#L20-2true [2024-02-09 14:17:53,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:53,457 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-02-09 14:17:53,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:17:53,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409676374] [2024-02-09 14:17:53,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:17:53,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:17:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:53,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:17:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:53,556 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:17:53,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:53,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1330, now seen corresponding path program 1 times [2024-02-09 14:17:53,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:17:53,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394799089] [2024-02-09 14:17:53,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:17:53,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:17:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:53,579 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:17:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:53,587 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:17:53,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:53,590 INFO L85 PathProgramCache]: Analyzing trace with hash 925812, now seen corresponding path program 1 times [2024-02-09 14:17:53,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:17:53,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686215633] [2024-02-09 14:17:53,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:17:53,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:17:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:53,602 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:17:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:53,611 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:17:53,697 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 14:17:53,698 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 14:17:53,698 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 14:17:53,698 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 14:17:53,698 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2024-02-09 14:17:53,698 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:53,698 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 14:17:53,699 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 14:17:53,699 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-05-false.c_Iteration1_Loop [2024-02-09 14:17:53,699 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 14:17:53,699 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 14:17:53,711 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 14:17:53,732 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 14:17:53,784 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 14:17:53,785 INFO L404 LassoAnalysis]: Checking for nontermination... [2024-02-09 14:17:53,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:53,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:53,790 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 14:17:53,794 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 14:17:53,795 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:17:53,804 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:53,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-02-09 14:17:53,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:53,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:53,835 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 14:17:53,836 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 14:17:53,837 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-09 14:17:53,837 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:53,857 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:17:53,858 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1} Honda state: {ULTIMATE.start_main_~x~0#1=1} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=0}, {ULTIMATE.start_main_~x~0#1=0}, {ULTIMATE.start_main_~x~0#1=1}] Lambdas: [12, 8, 1] Nus: [1, 0] [2024-02-09 14:17:53,863 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-02-09 14:17:53,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:53,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:53,864 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 14:17:53,865 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 14:17:53,866 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:17:53,866 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:53,887 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 14:17:53,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:53,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:53,888 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 14:17:53,892 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-09 14:17:53,892 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:53,898 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 14:17:53,915 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-02-09 14:17:53,920 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 14:17:53,920 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 14:17:53,920 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 14:17:53,920 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 14:17:53,920 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 14:17:53,921 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 14:17:53,921 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:53,921 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 14:17:53,921 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 14:17:53,921 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-05-false.c_Iteration1_Loop [2024-02-09 14:17:53,921 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 14:17:53,921 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 14:17:53,922 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 14:17:53,928 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 14:17:53,965 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 14:17:53,968 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 14:17:53,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:53,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:53,971 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 14:17:53,976 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 14:17:53,976 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 [2024-02-09 14:17:53,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:17:53,999 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:53,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:53,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 14:17:53,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 14:17:54,001 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 14:17:54,001 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:54,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:54,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:54,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:54,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:54,039 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 14:17:54,040 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 14:17:54,042 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 [2024-02-09 14:17:54,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:17:54,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:54,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:54,048 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:17:54,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 14:17:54,050 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-02-09 14:17:54,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:54,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:54,066 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 14:17:54,066 INFO L490 LassoAnalysis]: Using template '2-nested'. [2024-02-09 14:17:54,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:54,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:54,067 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 14:17:54,069 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 14:17:54,070 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 [2024-02-09 14:17:54,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:17:54,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:54,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:54,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 14:17:54,078 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-02-09 14:17:54,079 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-02-09 14:17:54,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:54,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:54,094 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 14:17:54,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:54,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:54,097 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 14:17:54,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 14:17:54,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:17:54,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:54,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:54,105 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:17:54,106 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-02-09 14:17:54,108 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 14:17:54,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:54,111 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 14:17:54,120 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:54,123 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 [2024-02-09 14:17:54,123 INFO L490 LassoAnalysis]: Using template '3-nested'. [2024-02-09 14:17:54,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:54,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:54,125 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 14:17:54,130 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 [2024-02-09 14:17:54,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:17:54,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:54,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:54,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 14:17:54,137 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-02-09 14:17:54,138 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-02-09 14:17:54,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:54,142 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 14:17:54,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:54,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:54,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:54,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:54,164 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 14:17:54,166 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 14:17:54,167 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 [2024-02-09 14:17:54,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:17:54,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:54,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:54,174 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:17:54,174 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-02-09 14:17:54,176 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-02-09 14:17:54,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:54,196 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:54,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:54,202 INFO L490 LassoAnalysis]: Using template '4-nested'. [2024-02-09 14:17:54,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:54,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:54,203 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 14:17:54,204 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 14:17:54,209 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 [2024-02-09 14:17:54,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:17:54,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:54,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:54,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 14:17:54,217 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-02-09 14:17:54,218 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-02-09 14:17:54,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:54,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:54,225 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 [2024-02-09 14:17:54,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:54,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:54,226 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 14:17:54,227 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 14:17:54,229 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 [2024-02-09 14:17:54,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:17:54,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:54,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:54,235 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:17:54,235 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-02-09 14:17:54,238 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2024-02-09 14:17:54,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:54,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:54,255 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 14:17:54,255 INFO L490 LassoAnalysis]: Using template '2-phase'. [2024-02-09 14:17:54,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:54,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:54,256 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 14:17:54,257 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 14:17:54,259 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 [2024-02-09 14:17:54,265 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-02-09 14:17:54,265 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-02-09 14:17:54,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:54,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:54,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 14:17:54,266 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-02-09 14:17:54,267 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-02-09 14:17:54,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:54,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:54,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:54,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:54,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:54,284 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 14:17:54,286 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 14:17:54,287 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 [2024-02-09 14:17:54,293 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-02-09 14:17:54,294 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-02-09 14:17:54,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:54,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:54,294 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:17:54,294 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-02-09 14:17:54,297 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 14:17:54,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:54,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:54,325 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 14:17:54,325 INFO L490 LassoAnalysis]: Using template '3-phase'. [2024-02-09 14:17:54,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:54,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:54,326 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 14:17:54,331 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 [2024-02-09 14:17:54,338 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-02-09 14:17:54,338 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-02-09 14:17:54,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:54,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:54,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 14:17:54,339 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-02-09 14:17:54,341 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-02-09 14:17:54,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:54,347 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 14:17:54,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:54,379 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 14:17:54,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:54,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:54,397 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 14:17:54,412 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 14:17:54,413 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 [2024-02-09 14:17:54,421 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-02-09 14:17:54,421 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-02-09 14:17:54,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:54,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:54,422 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:17:54,422 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-02-09 14:17:54,426 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-02-09 14:17:54,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:54,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:54,449 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 14:17:54,449 INFO L490 LassoAnalysis]: Using template '4-phase'. [2024-02-09 14:17:54,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:54,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:54,451 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 14:17:54,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 14:17:54,463 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-02-09 14:17:54,463 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-02-09 14:17:54,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:54,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:54,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 14:17:54,463 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-02-09 14:17:54,466 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-02-09 14:17:54,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:54,476 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 14:17:54,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:54,486 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 14:17:54,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:54,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:54,487 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) [2024-02-09 14:17:54,492 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 [2024-02-09 14:17:54,492 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 [2024-02-09 14:17:54,511 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-02-09 14:17:54,512 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-02-09 14:17:54,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:54,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:54,512 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:17:54,512 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-02-09 14:17:54,517 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2024-02-09 14:17:54,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:54,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:54,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:54,544 INFO L490 LassoAnalysis]: Using template '2-lex'. [2024-02-09 14:17:54,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:54,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:54,545 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) [2024-02-09 14:17:54,552 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 [2024-02-09 14:17:54,560 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-02-09 14:17:54,560 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-02-09 14:17:54,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:54,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:54,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 14:17:54,560 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-02-09 14:17:54,562 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-02-09 14:17:54,562 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:54,566 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 [2024-02-09 14:17:54,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:54,580 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 [2024-02-09 14:17:54,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:54,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:54,581 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) [2024-02-09 14:17:54,586 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 [2024-02-09 14:17:54,586 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 [2024-02-09 14:17:54,593 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-02-09 14:17:54,594 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-02-09 14:17:54,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:54,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:54,594 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:17:54,594 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-02-09 14:17:54,597 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-02-09 14:17:54,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:54,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:54,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:54,619 INFO L490 LassoAnalysis]: Using template '3-lex'. [2024-02-09 14:17:54,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:54,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:54,629 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) [2024-02-09 14:17:54,631 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 [2024-02-09 14:17:54,638 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-02-09 14:17:54,639 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-02-09 14:17:54,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:54,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:54,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 14:17:54,639 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-02-09 14:17:54,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 14:17:54,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:54,648 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 [2024-02-09 14:17:54,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:54,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:54,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:54,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:54,661 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) [2024-02-09 14:17:54,663 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 [2024-02-09 14:17:54,720 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 [2024-02-09 14:17:54,727 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-02-09 14:17:54,728 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-02-09 14:17:54,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:54,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:54,728 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:17:54,728 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-02-09 14:17:54,732 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-02-09 14:17:54,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:54,761 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:54,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:54,772 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 14:17:54,772 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 14:17:54,772 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 14:17:54,772 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 14:17:54,772 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2024-02-09 14:17:54,772 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:54,773 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 14:17:54,773 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 14:17:54,773 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-05-false.c_Iteration1_Lasso [2024-02-09 14:17:54,773 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 14:17:54,773 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 14:17:54,774 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 14:17:54,779 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 14:17:54,781 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 14:17:54,783 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 14:17:54,785 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 14:17:54,829 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 14:17:54,829 INFO L404 LassoAnalysis]: Checking for nontermination... [2024-02-09 14:17:54,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:54,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:54,830 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 14:17:54,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-02-09 14:17:54,845 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:17:54,845 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:54,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:54,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:54,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:54,889 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 14:17:54,897 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-09 14:17:54,897 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:54,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-02-09 14:17:54,920 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-02-09 14:17:54,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:54,925 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 14:17:54,926 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 14:17:54,926 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 14:17:54,926 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 14:17:54,926 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 14:17:54,926 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:54,926 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 14:17:54,926 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 14:17:54,926 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-05-false.c_Iteration1_Lasso [2024-02-09 14:17:54,926 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 14:17:54,926 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 14:17:54,927 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 14:17:54,932 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 14:17:54,934 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 14:17:54,935 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 14:17:54,937 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 14:17:54,980 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 14:17:54,980 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 14:17:54,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:54,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:54,981 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) [2024-02-09 14:17:54,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 14:17:54,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:17:54,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:54,991 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:17:54,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 14:17:54,994 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 [2024-02-09 14:17:54,995 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-02-09 14:17:54,999 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-02-09 14:17:55,017 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 14:17:55,043 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-02-09 14:17:55,043 INFO L444 ModelExtractionUtils]: 1 out of 11 variables were initially zero. Simplification set additionally 3 variables to zero. [2024-02-09 14:17:55,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:55,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:55,085 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) [2024-02-09 14:17:55,087 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 14:17:55,096 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 [2024-02-09 14:17:55,108 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2024-02-09 14:17:55,108 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 14:17:55,108 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = -2*ULTIMATE.start_main_~y~0#1 + 1 Supporting invariants [-1*ULTIMATE.start_main_~y~0#1 + 1 >= 0] [2024-02-09 14:17:55,112 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-02-09 14:17:55,116 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-02-09 14:17:55,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 14:17:55,147 WARN L260 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 3 conjunts are in the unsatisfiable core [2024-02-09 14:17:55,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 14:17:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 14:17:55,160 WARN L260 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 6 conjunts are in the unsatisfiable core [2024-02-09 14:17:55,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 14:17:55,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 14:17:55,195 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-02-09 14:17:55,197 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 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) [2024-02-09 14:17:55,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:55,318 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 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 26 states and 39 transitions. Complement of second has 6 states. [2024-02-09 14:17:55,321 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 [2024-02-09 14:17:55,324 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) [2024-02-09 14:17:55,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2024-02-09 14:17:55,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 2 letters. Loop has 2 letters. [2024-02-09 14:17:55,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 14:17:55,327 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 2 letters. [2024-02-09 14:17:55,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 14:17:55,327 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 2 letters. Loop has 4 letters. [2024-02-09 14:17:55,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 14:17:55,328 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 39 transitions. [2024-02-09 14:17:55,329 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-02-09 14:17:55,332 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 15 states and 22 transitions. [2024-02-09 14:17:55,333 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-02-09 14:17:55,333 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-02-09 14:17:55,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 22 transitions. [2024-02-09 14:17:55,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-02-09 14:17:55,334 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 22 transitions. [2024-02-09 14:17:55,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 22 transitions. [2024-02-09 14:17:55,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2024-02-09 14:17:55,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.5) internal successors, (21), 13 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 14:17:55,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 21 transitions. [2024-02-09 14:17:55,353 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 21 transitions. [2024-02-09 14:17:55,353 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 21 transitions. [2024-02-09 14:17:55,353 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-09 14:17:55,353 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 21 transitions. [2024-02-09 14:17:55,354 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-02-09 14:17:55,354 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 14:17:55,354 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 14:17:55,354 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-02-09 14:17:55,354 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-02-09 14:17:55,355 INFO L748 eck$LassoCheckResult]: Stem: 91#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 92#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 0; 93#L20-2 assume !!(main_~x~0#1 > 0); 82#L20 [2024-02-09 14:17:55,355 INFO L750 eck$LassoCheckResult]: Loop: 82#L20 assume 1 == main_~y~0#1; 85#L21 assume 0 == main_~y~0#1 || main_~y~0#1 == 1 + main_~y~0#1;main_#t~nondet1#1 := 1 + main_~y~0#1; 86#L21-4 main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 81#L20-2 assume !!(main_~x~0#1 > 0); 82#L20 [2024-02-09 14:17:55,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:55,355 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2024-02-09 14:17:55,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:17:55,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874263333] [2024-02-09 14:17:55,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:17:55,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:17:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:55,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:17:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:55,360 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:17:55,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:55,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1357749, now seen corresponding path program 1 times [2024-02-09 14:17:55,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:17:55,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445319347] [2024-02-09 14:17:55,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:17:55,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:17:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 14:17:55,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 14:17:55,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-09 14:17:55,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445319347] [2024-02-09 14:17:55,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445319347] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-09 14:17:55,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-09 14:17:55,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-09 14:17:55,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004473877] [2024-02-09 14:17:55,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-09 14:17:55,394 INFO L765 eck$LassoCheckResult]: loop already infeasible [2024-02-09 14:17:55,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-09 14:17:55,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-09 14:17:55,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-09 14:17:55,397 INFO L87 Difference]: Start difference. First operand 14 states and 21 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 14:17:55,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-02-09 14:17:55,408 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions. [2024-02-09 14:17:55,408 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2024-02-09 14:17:55,409 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-02-09 14:17:55,409 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 20 transitions. [2024-02-09 14:17:55,409 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-02-09 14:17:55,410 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-02-09 14:17:55,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2024-02-09 14:17:55,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-02-09 14:17:55,410 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2024-02-09 14:17:55,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2024-02-09 14:17:55,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2024-02-09 14:17:55,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 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 14:17:55,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2024-02-09 14:17:55,411 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2024-02-09 14:17:55,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-09 14:17:55,412 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2024-02-09 14:17:55,412 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-02-09 14:17:55,413 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2024-02-09 14:17:55,413 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-02-09 14:17:55,413 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 14:17:55,413 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 14:17:55,414 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-02-09 14:17:55,414 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-02-09 14:17:55,414 INFO L748 eck$LassoCheckResult]: Stem: 125#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 126#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 0; 129#L20-2 assume !!(main_~x~0#1 > 0); 118#L20 [2024-02-09 14:17:55,414 INFO L750 eck$LassoCheckResult]: Loop: 118#L20 assume 1 == main_~y~0#1; 121#L21 assume !(0 == main_~y~0#1 || main_~y~0#1 == 1 + main_~y~0#1); 122#L21-2 assume !(0 == 1 + main_~y~0#1);assume (main_~y~0#1 < 0 && 1 + main_~y~0#1 >= 0) || main_#t~nondet1#1 >= 1 + main_~y~0#1;assume (main_~y~0#1 >= 0 && 1 + main_~y~0#1 < 0) || main_#t~nondet1#1 >= main_~y~0#1;assume (main_~y~0#1 < 0 || 1 + main_~y~0#1 < 0) || main_#t~nondet1#1 <= main_~y~0#1 + (1 + main_~y~0#1);assume (main_~y~0#1 >= 0 && 1 + main_~y~0#1 >= 0) || main_#t~nondet1#1 < 0;assume main_#t~nondet1#1 <= 2147483647; 127#L21-4 main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 117#L20-2 assume !!(main_~x~0#1 > 0); 118#L20 [2024-02-09 14:17:55,414 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:55,414 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 2 times [2024-02-09 14:17:55,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:17:55,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631209180] [2024-02-09 14:17:55,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:17:55,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:17:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:55,418 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:17:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:55,419 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:17:55,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:55,420 INFO L85 PathProgramCache]: Analyzing trace with hash 42148355, now seen corresponding path program 1 times [2024-02-09 14:17:55,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:17:55,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615107843] [2024-02-09 14:17:55,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:17:55,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:17:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:55,426 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:17:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:55,430 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:17:55,431 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:55,431 INFO L85 PathProgramCache]: Analyzing trace with hash 295992764, now seen corresponding path program 1 times [2024-02-09 14:17:55,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:17:55,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231024003] [2024-02-09 14:17:55,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:17:55,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:17:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 14:17:55,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 14:17:55,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-09 14:17:55,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231024003] [2024-02-09 14:17:55,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231024003] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-09 14:17:55,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-09 14:17:55,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-09 14:17:55,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028104377] [2024-02-09 14:17:55,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-09 14:17:55,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-09 14:17:55,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-09 14:17:55,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-09 14:17:55,527 INFO L87 Difference]: Start difference. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 14:17:55,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-02-09 14:17:55,536 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2024-02-09 14:17:55,536 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 18 transitions. [2024-02-09 14:17:55,536 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-02-09 14:17:55,536 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 15 states and 17 transitions. [2024-02-09 14:17:55,537 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-02-09 14:17:55,537 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-02-09 14:17:55,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 17 transitions. [2024-02-09 14:17:55,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-02-09 14:17:55,537 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-02-09 14:17:55,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 17 transitions. [2024-02-09 14:17:55,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-02-09 14:17:55,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 14 states have internal predecessors, (17), 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 14:17:55,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2024-02-09 14:17:55,538 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-02-09 14:17:55,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-09 14:17:55,539 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-02-09 14:17:55,539 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-02-09 14:17:55,539 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2024-02-09 14:17:55,540 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-02-09 14:17:55,540 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 14:17:55,540 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 14:17:55,540 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1] [2024-02-09 14:17:55,540 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-02-09 14:17:55,540 INFO L748 eck$LassoCheckResult]: Stem: 163#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 164#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 0; 155#L20-2 assume !!(main_~x~0#1 > 0); 156#L20 assume !(1 == main_~y~0#1);main_~y~0#1 := 1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 169#L20-2 assume !!(main_~x~0#1 > 0); 168#L20 [2024-02-09 14:17:55,541 INFO L750 eck$LassoCheckResult]: Loop: 168#L20 assume 1 == main_~y~0#1; 159#L21 assume !(0 == main_~y~0#1 || main_~y~0#1 == 1 + main_~y~0#1); 160#L21-2 assume !(0 == 1 + main_~y~0#1);assume (main_~y~0#1 < 0 && 1 + main_~y~0#1 >= 0) || main_#t~nondet1#1 >= 1 + main_~y~0#1;assume (main_~y~0#1 >= 0 && 1 + main_~y~0#1 < 0) || main_#t~nondet1#1 >= main_~y~0#1;assume (main_~y~0#1 < 0 || 1 + main_~y~0#1 < 0) || main_#t~nondet1#1 <= main_~y~0#1 + (1 + main_~y~0#1);assume (main_~y~0#1 >= 0 && 1 + main_~y~0#1 >= 0) || main_#t~nondet1#1 < 0;assume main_#t~nondet1#1 <= 2147483647; 165#L21-4 main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 167#L20-2 assume !!(main_~x~0#1 > 0); 168#L20 [2024-02-09 14:17:55,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:55,541 INFO L85 PathProgramCache]: Analyzing trace with hash 28700183, now seen corresponding path program 2 times [2024-02-09 14:17:55,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:17:55,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006115303] [2024-02-09 14:17:55,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:17:55,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:17:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:55,545 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:17:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:55,547 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:17:55,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:55,547 INFO L85 PathProgramCache]: Analyzing trace with hash 42148355, now seen corresponding path program 2 times [2024-02-09 14:17:55,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:17:55,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125455178] [2024-02-09 14:17:55,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:17:55,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:17:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:55,552 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:17:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:55,556 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:17:55,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:55,556 INFO L85 PathProgramCache]: Analyzing trace with hash 282890669, now seen corresponding path program 1 times [2024-02-09 14:17:55,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:17:55,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322183921] [2024-02-09 14:17:55,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:17:55,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:17:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:55,562 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:17:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:55,567 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:17:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:55,649 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:17:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:55,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.02 02:17:55 BoogieIcfgContainer [2024-02-09 14:17:55,660 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-09 14:17:55,660 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-02-09 14:17:55,660 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-02-09 14:17:55,660 INFO L274 PluginConnector]: Witness Printer initialized [2024-02-09 14:17:55,661 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 02:17:53" (3/4) ... [2024-02-09 14:17:55,662 INFO L140 WitnessPrinter]: No result that supports witness generation found [2024-02-09 14:17:55,663 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-02-09 14:17:55,663 INFO L158 Benchmark]: Toolchain (without parser) took 2753.32ms. Allocated memory was 176.2MB in the beginning and 268.4MB in the end (delta: 92.3MB). Free memory was 106.8MB in the beginning and 202.4MB in the end (delta: -95.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-09 14:17:55,664 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 176.2MB. Free memory is still 131.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-09 14:17:55,664 INFO L158 Benchmark]: CACSL2BoogieTranslator took 149.39ms. Allocated memory is still 176.2MB. Free memory was 106.6MB in the beginning and 97.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-02-09 14:17:55,664 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.81ms. Allocated memory is still 176.2MB. Free memory was 96.9MB in the beginning and 95.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-09 14:17:55,664 INFO L158 Benchmark]: Boogie Preprocessor took 23.64ms. Allocated memory is still 176.2MB. Free memory was 95.6MB in the beginning and 94.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-09 14:17:55,665 INFO L158 Benchmark]: RCFGBuilder took 265.63ms. Allocated memory is still 176.2MB. Free memory was 94.1MB in the beginning and 141.4MB in the end (delta: -47.4MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2024-02-09 14:17:55,665 INFO L158 Benchmark]: BuchiAutomizer took 2282.38ms. Allocated memory was 176.2MB in the beginning and 268.4MB in the end (delta: 92.3MB). Free memory was 140.9MB in the beginning and 202.4MB in the end (delta: -61.5MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2024-02-09 14:17:55,665 INFO L158 Benchmark]: Witness Printer took 2.95ms. Allocated memory is still 268.4MB. Free memory is still 202.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-09 14:17:55,666 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 176.2MB. Free memory is still 131.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 149.39ms. Allocated memory is still 176.2MB. Free memory was 106.6MB in the beginning and 97.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.81ms. Allocated memory is still 176.2MB. Free memory was 96.9MB in the beginning and 95.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.64ms. Allocated memory is still 176.2MB. Free memory was 95.6MB in the beginning and 94.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 265.63ms. Allocated memory is still 176.2MB. Free memory was 94.1MB in the beginning and 141.4MB in the end (delta: -47.4MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 2282.38ms. Allocated memory was 176.2MB in the beginning and 268.4MB in the end (delta: 92.3MB). Free memory was 140.9MB in the beginning and 202.4MB in the end (delta: -61.5MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * Witness Printer took 2.95ms. Allocated memory is still 268.4MB. Free memory is still 202.4MB. 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 Your program was decomposed into 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function ((-2 * y) + 1) and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 19 mSDtfsCounter, 27 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp58 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf94 smp100 dnf132 smp100 tf104 neg100 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 127ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s 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: y|(y+1) [21] (Reason bitwiseOr) 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~nondet0#1, main_#t~nondet1#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 0;" "assume !!(main_~x~0#1 > 0);" "assume !(1 == main_~y~0#1);main_~y~0#1 := 1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;" "assume !!(main_~x~0#1 > 0);" Loop: "assume 1 == main_~y~0#1;" "assume !(0 == main_~y~0#1 || main_~y~0#1 == 1 + main_~y~0#1);" "assume !(0 == 1 + main_~y~0#1);assume (main_~y~0#1 < 0 && 1 + main_~y~0#1 >= 0) || main_#t~nondet1#1 >= 1 + main_~y~0#1;assume (main_~y~0#1 >= 0 && 1 + main_~y~0#1 < 0) || main_#t~nondet1#1 >= main_~y~0#1;assume (main_~y~0#1 < 0 || 1 + main_~y~0#1 < 0) || main_#t~nondet1#1 <= main_~y~0#1 + (1 + main_~y~0#1);assume (main_~y~0#1 >= 0 && 1 + main_~y~0#1 >= 0) || main_#t~nondet1#1 < 0;assume main_#t~nondet1#1 <= 2147483647;" "main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;" "assume !!(main_~x~0#1 > 0);" RESULT: Ultimate could not prove your program: unable to determine termination [2024-02-09 14:17:55,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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