./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-bwb/or-01.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-bwb/or-01.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 7f247e4473503f47ee3194e296d6b905e51586799395e11124f119da43a61cc2 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 22:08:19,110 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 22:08:19,193 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-20 22:08:19,198 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 22:08:19,201 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 22:08:19,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 22:08:19,226 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 22:08:19,227 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 22:08:19,227 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 22:08:19,228 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 22:08:19,228 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 22:08:19,229 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 22:08:19,229 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 22:08:19,229 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-20 22:08:19,230 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-20 22:08:19,230 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-20 22:08:19,230 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-20 22:08:19,231 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-20 22:08:19,231 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-20 22:08:19,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 22:08:19,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-20 22:08:19,232 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 22:08:19,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 22:08:19,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-20 22:08:19,233 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-20 22:08:19,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-20 22:08:19,234 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 22:08:19,234 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 22:08:19,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 22:08:19,235 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-20 22:08:19,235 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 22:08:19,235 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 22:08:19,236 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 22:08:19,236 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 22:08:19,236 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 22:08:19,237 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-20 22:08:19,237 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f247e4473503f47ee3194e296d6b905e51586799395e11124f119da43a61cc2 [2024-11-20 22:08:19,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 22:08:19,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 22:08:19,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 22:08:19,530 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 22:08:19,532 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 22:08:19,533 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-bwb/or-01.c [2024-11-20 22:08:20,946 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 22:08:21,152 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 22:08:21,152 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-bwb/or-01.c [2024-11-20 22:08:21,166 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/057b33623/9cbeb7d759f84c52824f67979221095a/FLAGbefc49708 [2024-11-20 22:08:21,183 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/057b33623/9cbeb7d759f84c52824f67979221095a [2024-11-20 22:08:21,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 22:08:21,187 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 22:08:21,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 22:08:21,191 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 22:08:21,196 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 22:08:21,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:08:21" (1/1) ... [2024-11-20 22:08:21,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fdfe9bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:21, skipping insertion in model container [2024-11-20 22:08:21,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:08:21" (1/1) ... [2024-11-20 22:08:21,219 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 22:08:21,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 22:08:21,446 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 22:08:21,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 22:08:21,469 INFO L204 MainTranslator]: Completed translation [2024-11-20 22:08:21,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:21 WrapperNode [2024-11-20 22:08:21,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 22:08:21,471 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 22:08:21,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 22:08:21,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 22:08:21,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:21" (1/1) ... [2024-11-20 22:08:21,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:21" (1/1) ... [2024-11-20 22:08:21,495 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-11-20 22:08:21,496 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 22:08:21,496 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 22:08:21,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 22:08:21,497 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 22:08:21,506 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:21" (1/1) ... [2024-11-20 22:08:21,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:21" (1/1) ... [2024-11-20 22:08:21,507 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:21" (1/1) ... [2024-11-20 22:08:21,518 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-20 22:08:21,519 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:21" (1/1) ... [2024-11-20 22:08:21,519 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:21" (1/1) ... [2024-11-20 22:08:21,521 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:21" (1/1) ... [2024-11-20 22:08:21,524 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:21" (1/1) ... [2024-11-20 22:08:21,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:21" (1/1) ... [2024-11-20 22:08:21,526 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:21" (1/1) ... [2024-11-20 22:08:21,527 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 22:08:21,528 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 22:08:21,528 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 22:08:21,528 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 22:08:21,529 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:21" (1/1) ... [2024-11-20 22:08:21,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:21,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:21,559 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) [2024-11-20 22:08:21,564 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 [2024-11-20 22:08:21,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 22:08:21,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 22:08:21,655 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 22:08:21,658 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 22:08:21,751 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-20 22:08:21,751 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 22:08:21,762 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 22:08:21,763 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 22:08:21,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:08:21 BoogieIcfgContainer [2024-11-20 22:08:21,763 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 22:08:21,764 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-20 22:08:21,764 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-20 22:08:21,767 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-20 22:08:21,767 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:08:21,767 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:08:21" (1/3) ... [2024-11-20 22:08:21,768 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ca4d45a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:08:21, skipping insertion in model container [2024-11-20 22:08:21,768 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:08:21,768 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:21" (2/3) ... [2024-11-20 22:08:21,769 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ca4d45a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:08:21, skipping insertion in model container [2024-11-20 22:08:21,769 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:08:21,769 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:08:21" (3/3) ... [2024-11-20 22:08:21,770 INFO L332 chiAutomizerObserver]: Analyzing ICFG or-01.c [2024-11-20 22:08:21,820 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-20 22:08:21,820 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-20 22:08:21,820 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-20 22:08:21,821 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-20 22:08:21,821 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-20 22:08:21,821 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-20 22:08:21,821 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-20 22:08:21,821 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-20 22:08:21,826 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:08:21,843 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-20 22:08:21,843 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:08:21,844 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:08:21,849 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-20 22:08:21,849 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-20 22:08:21,850 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-20 22:08:21,851 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:08:21,852 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-20 22:08:21,853 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:08:21,853 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:08:21,853 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-20 22:08:21,854 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-20 22:08:21,861 INFO L745 eck$LassoCheckResult]: Stem: 8#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~post1#1, main_#t~bitwise2#1, main_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 6#L20-2true [2024-11-20 22:08:21,862 INFO L747 eck$LassoCheckResult]: Loop: 6#L20-2true assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 4#L22true assume 0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1;main_#t~bitwise2#1 := main_~a~0#1; 2#L22-5true main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 6#L20-2true [2024-11-20 22:08:21,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:21,868 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-20 22:08:21,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:08:21,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867761119] [2024-11-20 22:08:21,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:08:21,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:08:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:21,944 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:08:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:21,963 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:08:21,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:21,967 INFO L85 PathProgramCache]: Analyzing trace with hash 40820, now seen corresponding path program 1 times [2024-11-20 22:08:21,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:08:21,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650454088] [2024-11-20 22:08:21,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:08:21,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:08:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:21,984 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:08:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:21,999 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:08:22,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:22,001 INFO L85 PathProgramCache]: Analyzing trace with hash 28699762, now seen corresponding path program 1 times [2024-11-20 22:08:22,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:08:22,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876288019] [2024-11-20 22:08:22,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:08:22,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:08:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:08:22,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:08:22,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:08:22,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876288019] [2024-11-20 22:08:22,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876288019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:08:22,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:08:22,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 22:08:22,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174669286] [2024-11-20 22:08:22,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:08:22,304 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:08:22,305 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:08:22,305 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:08:22,305 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:08:22,305 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-20 22:08:22,306 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:22,306 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:08:22,306 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:08:22,306 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration1_Loop [2024-11-20 22:08:22,306 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:08:22,306 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:08:22,326 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:22,334 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:22,357 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:22,461 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:08:22,462 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-20 22:08:22,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:22,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:22,467 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) [2024-11-20 22:08:22,468 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 [2024-11-20 22:08:22,469 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:08:22,469 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:22,484 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:08:22,485 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:08:22,492 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 [2024-11-20 22:08:22,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:22,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:22,495 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) [2024-11-20 22:08:22,496 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 [2024-11-20 22:08:22,497 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:08:22,497 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:22,519 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 [2024-11-20 22:08:22,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:22,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:22,521 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) [2024-11-20 22:08:22,524 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 [2024-11-20 22:08:22,525 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-20 22:08:22,525 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:22,787 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-20 22:08:22,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-20 22:08:22,799 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:08:22,799 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:08:22,799 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:08:22,799 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:08:22,800 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-20 22:08:22,800 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:22,800 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:08:22,800 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:08:22,800 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration1_Loop [2024-11-20 22:08:22,800 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:08:22,800 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:08:22,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:22,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:22,832 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:22,953 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:08:22,958 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-20 22:08:22,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:22,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:22,963 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) [2024-11-20 22:08:22,964 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 [2024-11-20 22:08:22,965 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 [2024-11-20 22:08:22,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:22,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:08:22,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:22,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:08:22,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:08:22,981 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:08:22,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:08:22,986 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:08:22,992 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 [2024-11-20 22:08:22,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:22,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:22,994 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) [2024-11-20 22:08:22,995 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 [2024-11-20 22:08:22,996 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 [2024-11-20 22:08:23,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:23,007 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:08:23,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:23,008 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-20 22:08:23,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:08:23,014 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-20 22:08:23,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:08:23,020 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:08:23,028 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-20 22:08:23,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:23,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:23,030 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) [2024-11-20 22:08:23,032 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 [2024-11-20 22:08:23,032 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 [2024-11-20 22:08:23,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:23,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:08:23,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:23,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:08:23,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:08:23,045 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:08:23,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:08:23,048 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:08:23,057 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-20 22:08:23,057 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-20 22:08:23,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:23,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:23,060 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) [2024-11-20 22:08:23,062 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 [2024-11-20 22:08:23,064 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 [2024-11-20 22:08:23,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:23,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:08:23,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:23,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:08:23,077 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-20 22:08:23,078 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-20 22:08:23,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:08:23,083 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:08:23,091 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-20 22:08:23,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:23,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:23,094 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) [2024-11-20 22:08:23,101 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 [2024-11-20 22:08:23,102 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 [2024-11-20 22:08:23,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:23,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:08:23,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:23,116 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-20 22:08:23,116 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-20 22:08:23,122 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-20 22:08:23,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:08:23,130 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-20 22:08:23,139 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-20 22:08:23,139 INFO L444 ModelExtractionUtils]: 4 out of 9 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-11-20 22:08:23,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:23,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:23,191 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) [2024-11-20 22:08:23,192 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 [2024-11-20 22:08:23,193 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-20 22:08:23,193 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-20 22:08:23,194 INFO L474 LassoAnalysis]: Proved termination. [2024-11-20 22:08:23,194 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -1*ULTIMATE.start_main_~a~0#1 f1 = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-20 22:08:23,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-20 22:08:23,211 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-20 22:08:23,222 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-20 22:08:23,223 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-20 22:08:23,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:08:23,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 22:08:23,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:08:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:08:23,279 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 22:08:23,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:08:23,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:08:23,543 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-20 22:08:23,551 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-20 22:08:23,565 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-20 22:08:23,747 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 30 states and 41 transitions. Complement of second has 10 states. [2024-11-20 22:08:23,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-20 22:08:23,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-20 22:08:23,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13 transitions. [2024-11-20 22:08:23,758 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 2 letters. Loop has 3 letters. [2024-11-20 22:08:23,759 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:08:23,759 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 5 letters. Loop has 3 letters. [2024-11-20 22:08:23,759 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:08:23,759 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 2 letters. Loop has 6 letters. [2024-11-20 22:08:23,759 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:08:23,760 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 41 transitions. [2024-11-20 22:08:23,765 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-20 22:08:23,769 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 18 states and 23 transitions. [2024-11-20 22:08:23,771 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-20 22:08:23,771 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-11-20 22:08:23,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2024-11-20 22:08:23,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:08:23,772 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2024-11-20 22:08:23,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2024-11-20 22:08:23,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 14. [2024-11-20 22:08:23,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 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) [2024-11-20 22:08:23,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2024-11-20 22:08:23,799 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2024-11-20 22:08:23,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:08:23,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 22:08:23,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 22:08:23,806 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-20 22:08:23,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:08:23,839 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2024-11-20 22:08:23,839 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2024-11-20 22:08:23,840 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-20 22:08:23,841 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 16 transitions. [2024-11-20 22:08:23,842 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-20 22:08:23,842 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-20 22:08:23,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2024-11-20 22:08:23,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:08:23,843 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2024-11-20 22:08:23,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2024-11-20 22:08:23,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2024-11-20 22:08:23,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:08:23,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2024-11-20 22:08:23,846 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2024-11-20 22:08:23,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 22:08:23,848 INFO L425 stractBuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2024-11-20 22:08:23,848 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-20 22:08:23,848 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2024-11-20 22:08:23,849 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-20 22:08:23,849 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:08:23,849 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:08:23,850 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-20 22:08:23,850 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-20 22:08:23,851 INFO L745 eck$LassoCheckResult]: Stem: 126#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 127#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~post1#1, main_#t~bitwise2#1, main_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 124#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 122#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 123#L22-2 assume 0 == main_~a~0#1;main_#t~bitwise2#1 := main_~b~0#1; 120#L22-5 [2024-11-20 22:08:23,851 INFO L747 eck$LassoCheckResult]: Loop: 120#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 121#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 130#L22 assume 0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1;main_#t~bitwise2#1 := main_~a~0#1; 120#L22-5 [2024-11-20 22:08:23,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:23,854 INFO L85 PathProgramCache]: Analyzing trace with hash 28699819, now seen corresponding path program 1 times [2024-11-20 22:08:23,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:08:23,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513033856] [2024-11-20 22:08:23,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:08:23,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:08:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:08:23,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:08:23,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:08:23,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513033856] [2024-11-20 22:08:23,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513033856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:08:23,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:08:23,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 22:08:23,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379300126] [2024-11-20 22:08:23,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:08:23,919 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-20 22:08:23,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:23,919 INFO L85 PathProgramCache]: Analyzing trace with hash 53210, now seen corresponding path program 2 times [2024-11-20 22:08:23,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:08:23,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188724367] [2024-11-20 22:08:23,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:08:23,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:08:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:23,929 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:08:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:23,937 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:08:23,995 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:08:23,995 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:08:23,995 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:08:23,995 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:08:23,996 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-20 22:08:23,996 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:23,996 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:08:23,996 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:08:23,996 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration2_Loop [2024-11-20 22:08:23,996 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:08:23,996 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:08:23,997 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:24,012 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:24,019 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:24,098 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:08:24,098 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-20 22:08:24,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:24,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:24,101 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) [2024-11-20 22:08:24,108 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 [2024-11-20 22:08:24,109 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:08:24,109 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:24,134 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-20 22:08:24,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:24,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:24,136 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) [2024-11-20 22:08:24,139 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 [2024-11-20 22:08:24,140 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-20 22:08:24,140 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:24,359 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-20 22:08:24,366 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:24,366 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:08:24,367 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:08:24,367 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:08:24,367 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:08:24,367 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-20 22:08:24,367 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:24,367 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:08:24,367 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:08:24,367 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration2_Loop [2024-11-20 22:08:24,367 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:08:24,367 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:08:24,368 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:24,370 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:24,373 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:24,452 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:08:24,452 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-20 22:08:24,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:24,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:24,455 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) [2024-11-20 22:08:24,457 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 [2024-11-20 22:08:24,457 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 [2024-11-20 22:08:24,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:24,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:08:24,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:24,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:08:24,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:08:24,468 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:08:24,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:08:24,469 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:08:24,475 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 [2024-11-20 22:08:24,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:24,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:24,477 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) [2024-11-20 22:08:24,479 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 [2024-11-20 22:08:24,479 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 [2024-11-20 22:08:24,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:24,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:08:24,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:24,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:08:24,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:08:24,490 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:08:24,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:08:24,491 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:08:24,497 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-20 22:08:24,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:24,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:24,499 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) [2024-11-20 22:08:24,500 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 [2024-11-20 22:08:24,502 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 [2024-11-20 22:08:24,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:24,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:08:24,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:24,512 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-20 22:08:24,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:08:24,517 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-20 22:08:24,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:08:24,523 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:08:24,533 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-20 22:08:24,534 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-20 22:08:24,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:24,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:24,537 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) [2024-11-20 22:08:24,540 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 [2024-11-20 22:08:24,541 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 [2024-11-20 22:08:24,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:24,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:08:24,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:24,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:08:24,555 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-20 22:08:24,556 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-20 22:08:24,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:08:24,562 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:08:24,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-20 22:08:24,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:24,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:24,572 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) [2024-11-20 22:08:24,574 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 [2024-11-20 22:08:24,576 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 [2024-11-20 22:08:24,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:24,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:08:24,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:24,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:08:24,594 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-20 22:08:24,595 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-20 22:08:24,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:08:24,599 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:08:24,607 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 [2024-11-20 22:08:24,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:24,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:24,610 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) [2024-11-20 22:08:24,612 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 [2024-11-20 22:08:24,613 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 [2024-11-20 22:08:24,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:24,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:08:24,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:24,627 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-20 22:08:24,627 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-20 22:08:24,631 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-20 22:08:24,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:08:24,637 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-20 22:08:24,647 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-20 22:08:24,648 INFO L444 ModelExtractionUtils]: 3 out of 9 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-11-20 22:08:24,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:24,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:24,650 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) [2024-11-20 22:08:24,652 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 [2024-11-20 22:08:24,653 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-20 22:08:24,653 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-20 22:08:24,653 INFO L474 LassoAnalysis]: Proved termination. [2024-11-20 22:08:24,653 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -1*ULTIMATE.start_main_~a~0#1 f1 = 1*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_#t~bitwise2#1 Supporting invariants [] [2024-11-20 22:08:24,661 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 [2024-11-20 22:08:24,664 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-20 22:08:24,670 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-20 22:08:24,670 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-20 22:08:24,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:08:24,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 22:08:24,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:08:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:08:24,706 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-20 22:08:24,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:08:24,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:08:24,897 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-20 22:08:24,898 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:08:24,944 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 37 transitions. Complement of second has 7 states. [2024-11-20 22:08:24,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-20 22:08:24,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:08:24,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2024-11-20 22:08:24,946 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 3 letters. [2024-11-20 22:08:24,946 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:08:24,946 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 8 letters. Loop has 3 letters. [2024-11-20 22:08:24,946 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:08:24,946 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 6 letters. [2024-11-20 22:08:24,947 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:08:24,947 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 37 transitions. [2024-11-20 22:08:24,949 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-11-20 22:08:24,950 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 27 states and 35 transitions. [2024-11-20 22:08:24,951 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2024-11-20 22:08:24,951 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2024-11-20 22:08:24,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2024-11-20 22:08:24,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:08:24,951 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 35 transitions. [2024-11-20 22:08:24,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2024-11-20 22:08:24,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2024-11-20 22:08:24,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:08:24,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2024-11-20 22:08:24,954 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 33 transitions. [2024-11-20 22:08:24,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:08:24,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 22:08:24,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 22:08:24,955 INFO L87 Difference]: Start difference. First operand 25 states and 33 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-20 22:08:24,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:08:24,964 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2024-11-20 22:08:24,964 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2024-11-20 22:08:24,964 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-20 22:08:24,965 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 10 states and 11 transitions. [2024-11-20 22:08:24,965 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-20 22:08:24,965 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-20 22:08:24,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11 transitions. [2024-11-20 22:08:24,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-20 22:08:24,965 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 11 transitions. [2024-11-20 22:08:24,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 11 transitions. [2024-11-20 22:08:24,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-20 22:08:24,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:08:24,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2024-11-20 22:08:24,966 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-11-20 22:08:24,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 22:08:24,968 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-11-20 22:08:24,968 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-20 22:08:24,968 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2024-11-20 22:08:24,969 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-20 22:08:24,969 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:08:24,969 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:08:24,969 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-20 22:08:24,969 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-20 22:08:24,969 INFO L745 eck$LassoCheckResult]: Stem: 254#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 255#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~post1#1, main_#t~bitwise2#1, main_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 253#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 251#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 252#L22-2 [2024-11-20 22:08:24,969 INFO L747 eck$LassoCheckResult]: Loop: 252#L22-2 assume !(0 == main_~a~0#1); 256#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 249#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 250#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 257#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 252#L22-2 [2024-11-20 22:08:24,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:24,970 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2024-11-20 22:08:24,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:08:24,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768132296] [2024-11-20 22:08:24,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:08:24,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:08:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:24,975 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:08:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:24,980 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:08:24,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:24,981 INFO L85 PathProgramCache]: Analyzing trace with hash 48701915, now seen corresponding path program 1 times [2024-11-20 22:08:24,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:08:24,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315736307] [2024-11-20 22:08:24,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:08:24,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:08:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:24,990 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:08:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:24,996 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:08:24,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:24,997 INFO L85 PathProgramCache]: Analyzing trace with hash 644884948, now seen corresponding path program 1 times [2024-11-20 22:08:24,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:08:24,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526788817] [2024-11-20 22:08:24,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:08:24,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:08:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:25,006 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:08:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:25,015 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:08:25,091 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-20 22:08:25,248 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:08:25,249 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:08:25,249 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:08:25,249 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:08:25,249 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-20 22:08:25,249 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:25,249 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:08:25,250 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:08:25,250 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration3_Loop [2024-11-20 22:08:25,250 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:08:25,250 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:08:25,251 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:25,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:25,308 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:25,376 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-11-20 22:08:25,798 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:08:25,798 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-20 22:08:25,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:25,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:25,803 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) [2024-11-20 22:08:25,806 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 [2024-11-20 22:08:25,807 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:08:25,808 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:25,845 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-20 22:08:25,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:25,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:25,847 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) [2024-11-20 22:08:25,851 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 [2024-11-20 22:08:25,852 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-20 22:08:25,853 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:25,894 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:08:25,894 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=-1, ULTIMATE.start_main_~a~0#1=1, ULTIMATE.start_main_~b~0#1=-2} Honda state: {ULTIMATE.start_main_~x~0#1=-1, ULTIMATE.start_main_~a~0#1=1, ULTIMATE.start_main_~b~0#1=-2} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=0, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~a~0#1=0, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~a~0#1=1, ULTIMATE.start_main_~b~0#1=0}] Lambdas: [2, 1, 1] Nus: [0, 0] [2024-11-20 22:08:25,904 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 [2024-11-20 22:08:25,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:25,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:25,907 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) [2024-11-20 22:08:25,908 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 [2024-11-20 22:08:25,913 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:08:25,913 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:25,928 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:08:25,928 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise2#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:08:25,936 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 [2024-11-20 22:08:25,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:25,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:25,939 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) [2024-11-20 22:08:25,942 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 [2024-11-20 22:08:25,943 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:08:25,943 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:25,960 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:08:25,961 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:08:25,968 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 [2024-11-20 22:08:26,002 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:08:26,002 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:08:26,002 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:08:26,002 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:08:26,002 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-20 22:08:26,003 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:26,003 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:08:26,003 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:08:26,003 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration3_Lasso [2024-11-20 22:08:26,003 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:08:26,003 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:08:26,005 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:26,009 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:26,011 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:26,068 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:26,070 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:26,146 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-11-20 22:08:26,625 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:08:26,626 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-20 22:08:26,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:26,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:26,628 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) [2024-11-20 22:08:26,629 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 [2024-11-20 22:08:26,630 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:08:26,630 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:26,640 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:08:26,640 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise2#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:08:26,646 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 [2024-11-20 22:08:26,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:26,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:26,647 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) [2024-11-20 22:08:26,648 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 [2024-11-20 22:08:26,648 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:08:26,649 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:26,660 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:08:26,660 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:08:26,665 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 [2024-11-20 22:08:26,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:26,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:26,667 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) [2024-11-20 22:08:26,668 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 [2024-11-20 22:08:26,669 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:08:26,669 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:26,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:26,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:26,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:26,696 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) [2024-11-20 22:08:26,697 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 [2024-11-20 22:08:26,698 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-20 22:08:26,698 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:26,729 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-20 22:08:26,734 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 [2024-11-20 22:08:26,735 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:08:26,735 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:08:26,735 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:08:26,735 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:08:26,735 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-20 22:08:26,735 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:26,735 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:08:26,735 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:08:26,735 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration3_Lasso [2024-11-20 22:08:26,735 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:08:26,735 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:08:26,737 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:26,741 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:26,743 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:26,797 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:26,800 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:26,858 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-11-20 22:08:27,232 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:08:27,232 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-20 22:08:27,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:27,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:27,235 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:27,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-20 22:08:27,237 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 [2024-11-20 22:08:27,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:27,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:08:27,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:27,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:08:27,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:08:27,247 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:08:27,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:08:27,249 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:08:27,255 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-20 22:08:27,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:27,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:27,256 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:27,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-20 22:08:27,258 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 [2024-11-20 22:08:27,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:27,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:08:27,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:27,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:08:27,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:08:27,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:08:27,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:08:27,270 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:08:27,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:27,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:27,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:27,277 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:27,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-20 22:08:27,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-20 22:08:27,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:27,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:27,290 INFO L204 nArgumentSynthesizer]: 7 loop disjuncts [2024-11-20 22:08:27,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:08:27,385 INFO L401 nArgumentSynthesizer]: We have 126 Motzkin's Theorem applications. [2024-11-20 22:08:27,385 INFO L402 nArgumentSynthesizer]: A total of 14 supporting invariants were added. [2024-11-20 22:08:28,592 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-20 22:08:29,281 INFO L443 ModelExtractionUtils]: Simplification made 25 calls to the SMT solver. [2024-11-20 22:08:29,281 INFO L444 ModelExtractionUtils]: 30 out of 61 variables were initially zero. Simplification set additionally 25 variables to zero. [2024-11-20 22:08:29,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:29,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:29,285 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:29,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-20 22:08:29,287 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-20 22:08:29,311 INFO L438 nArgumentSynthesizer]: Removed 13 redundant supporting invariants from a total of 14. [2024-11-20 22:08:29,311 INFO L474 LassoAnalysis]: Proved termination. [2024-11-20 22:08:29,311 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~a~0#1) = -2*ULTIMATE.start_main_~a~0#1 + 4294967295 Supporting invariants [2*ULTIMATE.start_main_~b~0#1 - 2*ULTIMATE.start_main_~a~0#1 + 3 >= 0] [2024-11-20 22:08:29,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:29,335 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-11-20 22:08:29,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:08:29,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 22:08:29,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:08:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:08:29,417 WARN L253 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 22:08:29,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:08:29,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:08:29,553 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 5 loop predicates [2024-11-20 22:08:29,553 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 10 transitions. cyclomatic complexity: 2 Second operand has 8 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:08:29,638 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 10 transitions. cyclomatic complexity: 2. Second operand has 8 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 24 transitions. Complement of second has 13 states. [2024-11-20 22:08:29,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 3 stem states 4 non-accepting loop states 1 accepting loop states [2024-11-20 22:08:29,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:08:29,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2024-11-20 22:08:29,640 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 10 transitions. Stem has 4 letters. Loop has 5 letters. [2024-11-20 22:08:29,640 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:08:29,640 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 10 transitions. Stem has 9 letters. Loop has 5 letters. [2024-11-20 22:08:29,640 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:08:29,640 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 10 transitions. Stem has 4 letters. Loop has 10 letters. [2024-11-20 22:08:29,640 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:08:29,641 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2024-11-20 22:08:29,641 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-20 22:08:29,642 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 16 states and 18 transitions. [2024-11-20 22:08:29,642 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-20 22:08:29,642 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-20 22:08:29,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 18 transitions. [2024-11-20 22:08:29,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-20 22:08:29,642 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-11-20 22:08:29,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 18 transitions. [2024-11-20 22:08:29,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2024-11-20 22:08:29,643 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) [2024-11-20 22:08:29,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2024-11-20 22:08:29,644 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-20 22:08:29,644 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-20 22:08:29,644 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-20 22:08:29,644 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2024-11-20 22:08:29,644 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-20 22:08:29,644 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:08:29,645 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:08:29,645 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:08:29,645 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-20 22:08:29,645 INFO L745 eck$LassoCheckResult]: Stem: 362#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 363#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~post1#1, main_#t~bitwise2#1, main_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 361#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 357#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 358#L22-2 assume !(0 == main_~a~0#1); 365#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 355#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 356#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 359#L22 assume 0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1;main_#t~bitwise2#1 := main_~a~0#1; 353#L22-5 [2024-11-20 22:08:29,645 INFO L747 eck$LassoCheckResult]: Loop: 353#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 354#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 367#L22 assume 0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1;main_#t~bitwise2#1 := main_~a~0#1; 353#L22-5 [2024-11-20 22:08:29,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:29,646 INFO L85 PathProgramCache]: Analyzing trace with hash 644884946, now seen corresponding path program 1 times [2024-11-20 22:08:29,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:08:29,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961904746] [2024-11-20 22:08:29,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:08:29,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:08:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:08:29,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:08:29,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:08:29,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961904746] [2024-11-20 22:08:29,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961904746] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 22:08:29,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46393263] [2024-11-20 22:08:29,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:08:29,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 22:08:29,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:29,843 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 22:08:29,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-20 22:08:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:08:29,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 22:08:29,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:08:29,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:08:29,934 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 22:08:30,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:08:30,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46393263] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 22:08:30,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 22:08:30,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 15 [2024-11-20 22:08:30,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416978793] [2024-11-20 22:08:30,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 22:08:30,087 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-20 22:08:30,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:30,087 INFO L85 PathProgramCache]: Analyzing trace with hash 53210, now seen corresponding path program 3 times [2024-11-20 22:08:30,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:08:30,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773231702] [2024-11-20 22:08:30,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:08:30,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:08:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:30,091 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:08:30,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:30,094 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:08:30,132 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:08:30,132 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:08:30,132 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:08:30,132 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:08:30,132 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-20 22:08:30,133 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:30,133 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:08:30,133 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:08:30,133 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration4_Loop [2024-11-20 22:08:30,133 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:08:30,133 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:08:30,134 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:30,136 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:30,148 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:30,213 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:08:30,213 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-20 22:08:30,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:30,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:30,225 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:30,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-20 22:08:30,227 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:08:30,227 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:30,240 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:08:30,240 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:08:30,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:30,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:30,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:30,255 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:30,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-20 22:08:30,257 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:08:30,257 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:30,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:30,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:30,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:30,284 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:30,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-20 22:08:30,287 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-20 22:08:30,287 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:30,412 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-20 22:08:30,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:30,419 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:08:30,419 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:08:30,419 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:08:30,419 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:08:30,419 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-20 22:08:30,419 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:30,419 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:08:30,419 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:08:30,419 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration4_Loop [2024-11-20 22:08:30,419 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:08:30,419 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:08:30,420 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:30,422 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:30,424 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:30,505 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:08:30,505 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-20 22:08:30,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:30,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:30,508 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:30,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-20 22:08:30,511 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 [2024-11-20 22:08:30,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:30,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:08:30,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:30,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:08:30,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:08:30,523 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:08:30,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:08:30,525 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:08:30,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-11-20 22:08:30,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:30,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:30,532 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:30,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-20 22:08:30,534 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 [2024-11-20 22:08:30,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:30,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:08:30,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:30,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:08:30,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:08:30,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:08:30,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:08:30,546 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:08:30,553 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-11-20 22:08:30,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:30,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:30,556 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:30,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-20 22:08:30,558 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 [2024-11-20 22:08:30,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:30,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:08:30,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:30,570 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-20 22:08:30,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:08:30,573 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-20 22:08:30,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:08:30,577 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:08:30,585 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:30,586 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-20 22:08:30,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:30,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:30,588 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:30,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-20 22:08:30,590 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 [2024-11-20 22:08:30,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:30,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:08:30,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:30,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:08:30,605 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-20 22:08:30,605 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-20 22:08:30,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:08:30,609 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:08:30,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:30,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:30,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:30,618 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:30,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-20 22:08:30,622 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 [2024-11-20 22:08:30,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:30,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:08:30,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:30,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:08:30,635 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-20 22:08:30,635 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-20 22:08:30,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:08:30,637 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:08:30,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:30,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:30,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:30,646 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:30,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-20 22:08:30,650 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 [2024-11-20 22:08:30,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:30,662 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:08:30,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:30,662 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-20 22:08:30,662 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-20 22:08:30,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-20 22:08:30,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:08:30,670 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-20 22:08:30,675 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-20 22:08:30,675 INFO L444 ModelExtractionUtils]: 3 out of 9 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-11-20 22:08:30,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:30,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:30,678 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:30,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-20 22:08:30,680 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-20 22:08:30,680 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-20 22:08:30,680 INFO L474 LassoAnalysis]: Proved termination. [2024-11-20 22:08:30,680 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -1*ULTIMATE.start_main_~a~0#1 f1 = -1*ULTIMATE.start_main_#t~bitwise2#1 + 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-20 22:08:30,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:30,688 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-20 22:08:30,690 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-20 22:08:30,690 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-20 22:08:30,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:08:30,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 22:08:30,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:08:30,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-11-20 22:08:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:08:30,753 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-20 22:08:30,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:08:30,758 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-11-20 22:08:30,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:08:30,875 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-20 22:08:30,876 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:08:30,907 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 31 transitions. Complement of second has 7 states. [2024-11-20 22:08:30,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-20 22:08:30,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:08:30,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-11-20 22:08:30,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 3 letters. [2024-11-20 22:08:30,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:08:30,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 12 letters. Loop has 3 letters. [2024-11-20 22:08:30,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:08:30,910 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 6 letters. [2024-11-20 22:08:30,910 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:08:30,910 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 31 transitions. [2024-11-20 22:08:30,911 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-20 22:08:30,911 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 24 states and 28 transitions. [2024-11-20 22:08:30,911 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-11-20 22:08:30,911 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-11-20 22:08:30,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 28 transitions. [2024-11-20 22:08:30,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:08:30,912 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 28 transitions. [2024-11-20 22:08:30,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 28 transitions. [2024-11-20 22:08:30,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 21. [2024-11-20 22:08:30,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 20 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:08:30,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2024-11-20 22:08:30,914 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 25 transitions. [2024-11-20 22:08:30,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:08:30,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 22:08:30,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2024-11-20 22:08:30,915 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 16 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:08:30,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:08:30,981 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2024-11-20 22:08:30,982 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 34 transitions. [2024-11-20 22:08:30,982 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-20 22:08:30,983 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 34 transitions. [2024-11-20 22:08:30,985 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-11-20 22:08:30,985 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-20 22:08:30,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 34 transitions. [2024-11-20 22:08:30,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:08:30,985 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 34 transitions. [2024-11-20 22:08:30,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 34 transitions. [2024-11-20 22:08:30,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-20 22:08:30,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 29 states have internal predecessors, (34), 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) [2024-11-20 22:08:30,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2024-11-20 22:08:30,989 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 34 transitions. [2024-11-20 22:08:30,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 22:08:30,991 INFO L425 stractBuchiCegarLoop]: Abstraction has 30 states and 34 transitions. [2024-11-20 22:08:30,991 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-20 22:08:30,991 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 34 transitions. [2024-11-20 22:08:30,992 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-20 22:08:30,992 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:08:30,992 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:08:30,992 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 4, 3, 3, 1, 1, 1] [2024-11-20 22:08:30,992 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-20 22:08:30,993 INFO L745 eck$LassoCheckResult]: Stem: 580#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 581#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~post1#1, main_#t~bitwise2#1, main_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 584#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 587#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 585#L22-2 assume !(0 == main_~a~0#1); 583#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 573#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 574#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 577#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 578#L22-2 assume !(0 == main_~a~0#1); 586#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 600#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 599#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 598#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 590#L22-2 assume !(0 == main_~a~0#1); 597#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 596#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 592#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 589#L22 assume 0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1;main_#t~bitwise2#1 := main_~a~0#1; 591#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 579#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 575#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 576#L22-2 [2024-11-20 22:08:30,993 INFO L747 eck$LassoCheckResult]: Loop: 576#L22-2 assume !(0 == main_~a~0#1); 582#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 571#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 572#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 588#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 576#L22-2 [2024-11-20 22:08:30,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:30,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1908372501, now seen corresponding path program 2 times [2024-11-20 22:08:30,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:08:30,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332340336] [2024-11-20 22:08:30,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:08:30,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:08:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:08:31,304 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:08:31,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:08:31,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332340336] [2024-11-20 22:08:31,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332340336] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 22:08:31,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274180642] [2024-11-20 22:08:31,305 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 22:08:31,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 22:08:31,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:31,308 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 22:08:31,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-20 22:08:31,340 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 22:08:31,341 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 22:08:31,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-20 22:08:31,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:08:31,498 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:08:31,499 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 22:08:31,812 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:08:31,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [274180642] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 22:08:31,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 22:08:31,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 13] total 30 [2024-11-20 22:08:31,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334935981] [2024-11-20 22:08:31,813 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 22:08:31,814 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-20 22:08:31,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:31,814 INFO L85 PathProgramCache]: Analyzing trace with hash 48701915, now seen corresponding path program 2 times [2024-11-20 22:08:31,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:08:31,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348970441] [2024-11-20 22:08:31,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:08:31,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:08:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:31,818 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:08:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:31,822 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:08:31,987 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:08:31,987 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:08:31,987 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:08:31,987 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:08:31,987 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-20 22:08:31,987 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:31,987 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:08:31,988 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:08:31,988 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration5_Loop [2024-11-20 22:08:31,988 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:08:31,988 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:08:31,989 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:31,992 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:32,037 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:32,094 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-11-20 22:08:32,438 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:08:32,438 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-20 22:08:32,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:32,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:32,440 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:32,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-20 22:08:32,442 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:08:32,442 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:32,453 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:08:32,453 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:08:32,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:32,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:32,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:32,460 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:32,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-20 22:08:32,462 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:08:32,462 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:32,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:32,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:32,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:32,491 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:32,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-11-20 22:08:32,493 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-20 22:08:32,493 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:32,526 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:08:32,526 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=-2, ULTIMATE.start_main_~a~0#1=1, ULTIMATE.start_main_~b~0#1=-3} Honda state: {ULTIMATE.start_main_~x~0#1=-2, ULTIMATE.start_main_~a~0#1=1, ULTIMATE.start_main_~b~0#1=-3} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=0, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~x~0#1=3, ULTIMATE.start_main_~a~0#1=1, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=0, ULTIMATE.start_main_~b~0#1=0}] Lambdas: [2, 1, 1] Nus: [0, 1] [2024-11-20 22:08:32,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:32,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:32,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:32,536 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:32,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-11-20 22:08:32,538 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:08:32,538 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:32,553 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:08:32,553 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise2#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:08:32,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:32,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:08:32,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-20 22:08:32,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=669, Unknown=0, NotChecked=0, Total=870 [2024-11-20 22:08:32,562 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. cyclomatic complexity: 7 Second operand has 30 states, 30 states have (on average 1.9333333333333333) internal successors, (58), 30 states have internal predecessors, (58), 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) [2024-11-20 22:08:32,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:08:32,703 INFO L93 Difference]: Finished difference Result 50 states and 54 transitions. [2024-11-20 22:08:32,703 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 54 transitions. [2024-11-20 22:08:32,704 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-20 22:08:32,705 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 50 states and 54 transitions. [2024-11-20 22:08:32,705 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-11-20 22:08:32,705 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-20 22:08:32,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 54 transitions. [2024-11-20 22:08:32,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:08:32,705 INFO L218 hiAutomatonCegarLoop]: Abstraction has 50 states and 54 transitions. [2024-11-20 22:08:32,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 54 transitions. [2024-11-20 22:08:32,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-20 22:08:32,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.08) internal successors, (54), 49 states have internal predecessors, (54), 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) [2024-11-20 22:08:32,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2024-11-20 22:08:32,708 INFO L240 hiAutomatonCegarLoop]: Abstraction has 50 states and 54 transitions. [2024-11-20 22:08:32,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-20 22:08:32,710 INFO L425 stractBuchiCegarLoop]: Abstraction has 50 states and 54 transitions. [2024-11-20 22:08:32,710 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-20 22:08:32,710 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 54 transitions. [2024-11-20 22:08:32,711 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-20 22:08:32,711 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:08:32,711 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:08:32,712 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 8, 8, 7, 7, 1, 1, 1] [2024-11-20 22:08:32,712 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-20 22:08:32,716 INFO L745 eck$LassoCheckResult]: Stem: 821#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 822#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~post1#1, main_#t~bitwise2#1, main_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 828#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 829#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 825#L22-2 assume !(0 == main_~a~0#1); 826#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 861#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 860#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 859#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 827#L22-2 assume !(0 == main_~a~0#1); 824#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 814#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 815#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 818#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 819#L22-2 assume !(0 == main_~a~0#1); 858#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 857#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 856#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 855#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 854#L22-2 assume !(0 == main_~a~0#1); 853#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 852#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 851#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 850#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 849#L22-2 assume !(0 == main_~a~0#1); 848#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 847#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 846#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 845#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 844#L22-2 assume !(0 == main_~a~0#1); 843#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 842#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 841#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 840#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 831#L22-2 assume !(0 == main_~a~0#1); 839#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 835#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 834#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 830#L22 assume 0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1;main_#t~bitwise2#1 := main_~a~0#1; 832#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 820#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 816#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 817#L22-2 [2024-11-20 22:08:32,716 INFO L747 eck$LassoCheckResult]: Loop: 817#L22-2 assume !(0 == main_~a~0#1); 823#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 812#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 813#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 833#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 817#L22-2 [2024-11-20 22:08:32,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:32,716 INFO L85 PathProgramCache]: Analyzing trace with hash -53972245, now seen corresponding path program 3 times [2024-11-20 22:08:32,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:08:32,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168834506] [2024-11-20 22:08:32,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:08:32,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:08:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:08:33,282 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 23 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:08:33,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:08:33,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168834506] [2024-11-20 22:08:33,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168834506] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 22:08:33,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197271856] [2024-11-20 22:08:33,282 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-20 22:08:33,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 22:08:33,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:33,285 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 22:08:33,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-11-20 22:08:33,327 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-20 22:08:33,327 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 22:08:33,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-20 22:08:33,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:08:33,789 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 23 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:08:33,789 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 22:08:34,596 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 23 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:08:34,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [197271856] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 22:08:34,596 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 22:08:34,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 25] total 58 [2024-11-20 22:08:34,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545823274] [2024-11-20 22:08:34,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 22:08:34,597 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-20 22:08:34,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:34,597 INFO L85 PathProgramCache]: Analyzing trace with hash 48701915, now seen corresponding path program 3 times [2024-11-20 22:08:34,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:08:34,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694176586] [2024-11-20 22:08:34,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:08:34,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:08:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:34,601 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:08:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:34,604 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:08:34,779 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:08:34,779 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:08:34,779 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:08:34,779 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:08:34,779 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-20 22:08:34,779 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:34,779 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:08:34,779 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:08:34,780 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration6_Loop [2024-11-20 22:08:34,780 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:08:34,780 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:08:34,781 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:34,785 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:34,823 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:34,869 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-11-20 22:08:35,160 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:08:35,160 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-20 22:08:35,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:35,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:35,169 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:35,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-11-20 22:08:35,171 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:08:35,171 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:35,182 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:08:35,182 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:08:35,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-11-20 22:08:35,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:35,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:35,189 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:35,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-11-20 22:08:35,191 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:08:35,191 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:35,218 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-11-20 22:08:35,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:35,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:35,220 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:35,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-11-20 22:08:35,221 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-20 22:08:35,222 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:35,247 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:08:35,248 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=-2, ULTIMATE.start_main_~a~0#1=1, ULTIMATE.start_main_~b~0#1=-3} Honda state: {ULTIMATE.start_main_~x~0#1=-2, ULTIMATE.start_main_~a~0#1=1, ULTIMATE.start_main_~b~0#1=-3} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=0, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~x~0#1=3, ULTIMATE.start_main_~a~0#1=1, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=0, ULTIMATE.start_main_~b~0#1=0}] Lambdas: [2, 1, 1] Nus: [0, 1] [2024-11-20 22:08:35,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-11-20 22:08:35,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:35,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:35,253 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:35,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-11-20 22:08:35,255 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:08:35,255 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:35,266 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:08:35,266 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise2#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:08:35,272 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:35,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:08:35,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-11-20 22:08:35,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=640, Invalid=2666, Unknown=0, NotChecked=0, Total=3306 [2024-11-20 22:08:35,277 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. cyclomatic complexity: 7 Second operand has 58 states, 58 states have (on average 2.0344827586206895) internal successors, (118), 58 states have internal predecessors, (118), 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) [2024-11-20 22:08:35,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:08:35,677 INFO L93 Difference]: Finished difference Result 80 states and 84 transitions. [2024-11-20 22:08:35,677 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 84 transitions. [2024-11-20 22:08:35,678 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-20 22:08:35,679 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 80 states and 84 transitions. [2024-11-20 22:08:35,679 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-11-20 22:08:35,679 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-20 22:08:35,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 80 states and 84 transitions. [2024-11-20 22:08:35,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:08:35,680 INFO L218 hiAutomatonCegarLoop]: Abstraction has 80 states and 84 transitions. [2024-11-20 22:08:35,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states and 84 transitions. [2024-11-20 22:08:35,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-20 22:08:35,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 80 states have (on average 1.05) internal successors, (84), 79 states have internal predecessors, (84), 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) [2024-11-20 22:08:35,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 84 transitions. [2024-11-20 22:08:35,685 INFO L240 hiAutomatonCegarLoop]: Abstraction has 80 states and 84 transitions. [2024-11-20 22:08:35,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-20 22:08:35,688 INFO L425 stractBuchiCegarLoop]: Abstraction has 80 states and 84 transitions. [2024-11-20 22:08:35,688 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-20 22:08:35,688 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 80 states and 84 transitions. [2024-11-20 22:08:35,689 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-20 22:08:35,689 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:08:35,689 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:08:35,690 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [15, 14, 14, 13, 13, 1, 1, 1] [2024-11-20 22:08:35,691 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-20 22:08:35,691 INFO L745 eck$LassoCheckResult]: Stem: 1260#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 1261#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~post1#1, main_#t~bitwise2#1, main_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 1264#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1268#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1265#L22-2 assume !(0 == main_~a~0#1); 1266#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 1330#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1329#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1328#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1267#L22-2 assume !(0 == main_~a~0#1); 1263#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 1253#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1254#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1257#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1258#L22-2 assume !(0 == main_~a~0#1); 1327#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 1326#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1325#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1324#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1323#L22-2 assume !(0 == main_~a~0#1); 1322#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 1321#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1320#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1319#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1318#L22-2 assume !(0 == main_~a~0#1); 1317#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 1316#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1315#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1314#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1313#L22-2 assume !(0 == main_~a~0#1); 1312#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 1311#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1310#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1309#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1308#L22-2 assume !(0 == main_~a~0#1); 1307#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 1306#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1305#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1304#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1303#L22-2 assume !(0 == main_~a~0#1); 1302#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 1301#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1300#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1299#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1298#L22-2 assume !(0 == main_~a~0#1); 1297#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 1296#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1295#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1294#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1293#L22-2 assume !(0 == main_~a~0#1); 1292#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 1291#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1290#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1289#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1288#L22-2 assume !(0 == main_~a~0#1); 1287#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 1286#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1285#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1284#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1283#L22-2 assume !(0 == main_~a~0#1); 1282#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 1281#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1280#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1279#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1271#L22-2 assume !(0 == main_~a~0#1); 1278#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 1277#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1273#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1270#L22 assume 0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1;main_#t~bitwise2#1 := main_~a~0#1; 1272#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1259#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1255#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1256#L22-2 [2024-11-20 22:08:35,693 INFO L747 eck$LassoCheckResult]: Loop: 1256#L22-2 assume !(0 == main_~a~0#1); 1262#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 1251#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 1252#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1269#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 1256#L22-2 [2024-11-20 22:08:35,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:35,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1349747349, now seen corresponding path program 4 times [2024-11-20 22:08:35,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:08:35,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870224575] [2024-11-20 22:08:35,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:08:35,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:08:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:35,749 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:08:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:35,780 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:08:35,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:35,783 INFO L85 PathProgramCache]: Analyzing trace with hash 48701915, now seen corresponding path program 4 times [2024-11-20 22:08:35,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:08:35,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279055309] [2024-11-20 22:08:35,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:08:35,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:08:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:35,788 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:08:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:35,792 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:08:35,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:35,793 INFO L85 PathProgramCache]: Analyzing trace with hash 763524785, now seen corresponding path program 5 times [2024-11-20 22:08:35,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:08:35,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666032662] [2024-11-20 22:08:35,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:08:35,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:08:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:35,824 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:08:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:35,859 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:08:36,025 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:08:36,025 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:08:36,026 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:08:36,026 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:08:36,026 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-20 22:08:36,026 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:36,026 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:08:36,026 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:08:36,026 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration7_Loop [2024-11-20 22:08:36,026 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:08:36,026 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:08:36,027 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:36,029 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:36,071 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:36,120 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-11-20 22:08:36,409 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:08:36,409 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-20 22:08:36,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:36,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:36,413 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:36,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-11-20 22:08:36,415 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:08:36,415 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:36,426 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:08:36,426 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise2#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:08:36,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:36,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:36,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:36,433 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:36,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-11-20 22:08:36,434 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:08:36,434 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:36,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:36,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:36,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:36,462 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:36,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-11-20 22:08:36,465 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-20 22:08:36,465 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:36,490 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:08:36,491 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=1, ULTIMATE.start_main_~b~0#1=-1} Honda state: {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=1, ULTIMATE.start_main_~b~0#1=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~a~0#1=1, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=0, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=0, ULTIMATE.start_main_~b~0#1=0}] Lambdas: [1, 0, 2] Nus: [0, 1] [2024-11-20 22:08:36,495 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2024-11-20 22:08:36,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:36,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:36,496 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:36,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-11-20 22:08:36,498 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:08:36,498 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:36,509 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:08:36,509 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:08:36,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:38,136 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:08:38,136 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:08:38,136 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:08:38,136 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:08:38,136 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-20 22:08:38,136 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:38,136 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:08:38,136 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:08:38,136 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration7_Lasso [2024-11-20 22:08:38,136 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:08:38,136 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:08:38,137 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:38,140 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:38,142 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:38,188 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:38,190 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:38,241 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-11-20 22:08:38,557 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:08:38,557 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-20 22:08:38,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:38,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:38,558 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:38,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-11-20 22:08:38,560 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:08:38,560 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:38,570 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:08:38,571 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:08:38,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:38,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:38,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:38,578 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:38,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-11-20 22:08:38,580 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:08:38,580 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:38,590 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:08:38,590 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise2#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:08:38,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:38,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:38,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:38,597 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:38,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-11-20 22:08:38,599 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:08:38,599 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:38,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:38,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:38,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:38,617 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:38,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-11-20 22:08:38,619 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-20 22:08:38,619 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:38,641 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-20 22:08:38,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:38,646 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:08:38,646 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:08:38,646 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:08:38,646 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:08:38,646 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-20 22:08:38,646 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:38,646 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:08:38,646 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:08:38,646 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration7_Lasso [2024-11-20 22:08:38,646 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:08:38,646 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:08:38,647 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:38,649 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:38,650 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:38,652 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:38,698 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:38,756 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-11-20 22:08:39,052 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:08:39,052 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-20 22:08:39,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:39,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:39,054 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:39,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-11-20 22:08:39,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-20 22:08:39,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:39,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:08:39,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:39,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:08:39,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:08:39,066 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:08:39,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:08:39,067 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:08:39,073 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2024-11-20 22:08:39,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:39,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:39,075 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:39,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-11-20 22:08:39,076 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 [2024-11-20 22:08:39,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:39,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:08:39,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:39,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:08:39,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:08:39,087 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:08:39,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:08:39,088 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:08:39,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:39,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:39,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:39,094 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:39,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2024-11-20 22:08:39,096 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 [2024-11-20 22:08:39,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:39,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:08:39,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:39,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:08:39,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:08:39,107 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:08:39,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:08:39,110 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:08:39,116 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2024-11-20 22:08:39,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:39,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:39,117 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:39,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2024-11-20 22:08:39,119 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 [2024-11-20 22:08:39,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:39,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:39,130 INFO L204 nArgumentSynthesizer]: 7 loop disjuncts [2024-11-20 22:08:39,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:08:39,206 INFO L401 nArgumentSynthesizer]: We have 126 Motzkin's Theorem applications. [2024-11-20 22:08:39,206 INFO L402 nArgumentSynthesizer]: A total of 14 supporting invariants were added. [2024-11-20 22:08:41,577 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-20 22:08:42,705 INFO L443 ModelExtractionUtils]: Simplification made 35 calls to the SMT solver. [2024-11-20 22:08:42,705 INFO L444 ModelExtractionUtils]: 23 out of 61 variables were initially zero. Simplification set additionally 23 variables to zero. [2024-11-20 22:08:42,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:42,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:42,707 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:42,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2024-11-20 22:08:42,709 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-20 22:08:42,731 INFO L438 nArgumentSynthesizer]: Removed 11 redundant supporting invariants from a total of 14. [2024-11-20 22:08:42,732 INFO L474 LassoAnalysis]: Proved termination. [2024-11-20 22:08:42,732 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [1*ULTIMATE.start_main_~a~0#1 >= 0, 1*ULTIMATE.start_main_~x~0#1 >= 0, -5*ULTIMATE.start_main_~a~0#1 + 5*ULTIMATE.start_main_~b~0#1 + 6 >= 0] [2024-11-20 22:08:42,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:42,754 INFO L156 tatePredicateManager]: 1 out of 3 supporting invariants were superfluous and have been removed [2024-11-20 22:08:42,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:42,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:08:42,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-20 22:08:42,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:08:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:08:43,302 WARN L253 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-20 22:08:43,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:08:43,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:08:43,428 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.19 stem predicates 5 loop predicates [2024-11-20 22:08:43,428 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 80 states and 84 transitions. cyclomatic complexity: 7 Second operand has 24 states, 24 states have (on average 3.2083333333333335) internal successors, (77), 24 states have internal predecessors, (77), 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) [2024-11-20 22:08:43,461 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 80 states and 84 transitions. cyclomatic complexity: 7. Second operand has 24 states, 24 states have (on average 3.2083333333333335) internal successors, (77), 24 states have internal predecessors, (77), 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 80 states and 84 transitions. Complement of second has 5 states. [2024-11-20 22:08:43,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-20 22:08:43,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 3.2083333333333335) internal successors, (77), 24 states have internal predecessors, (77), 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) [2024-11-20 22:08:43,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2024-11-20 22:08:43,463 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 4 transitions. Stem has 72 letters. Loop has 5 letters. [2024-11-20 22:08:43,463 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:08:43,463 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-20 22:08:43,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:08:43,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-20 22:08:43,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:08:43,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:08:43,965 WARN L253 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-20 22:08:43,965 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:08:44,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:08:44,079 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.19 stem predicates 5 loop predicates [2024-11-20 22:08:44,079 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 80 states and 84 transitions. cyclomatic complexity: 7 Second operand has 24 states, 24 states have (on average 3.2083333333333335) internal successors, (77), 24 states have internal predecessors, (77), 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) [2024-11-20 22:08:44,115 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 80 states and 84 transitions. cyclomatic complexity: 7. Second operand has 24 states, 24 states have (on average 3.2083333333333335) internal successors, (77), 24 states have internal predecessors, (77), 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 80 states and 84 transitions. Complement of second has 5 states. [2024-11-20 22:08:44,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-20 22:08:44,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 3.2083333333333335) internal successors, (77), 24 states have internal predecessors, (77), 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) [2024-11-20 22:08:44,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2024-11-20 22:08:44,118 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 4 transitions. Stem has 72 letters. Loop has 5 letters. [2024-11-20 22:08:44,118 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:08:44,118 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-20 22:08:44,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:08:44,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-20 22:08:44,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:08:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:08:44,576 WARN L253 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-20 22:08:44,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:08:44,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:08:44,686 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.19 stem predicates 5 loop predicates [2024-11-20 22:08:44,687 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 80 states and 84 transitions. cyclomatic complexity: 7 Second operand has 24 states, 24 states have (on average 3.2083333333333335) internal successors, (77), 24 states have internal predecessors, (77), 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) [2024-11-20 22:08:45,292 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 80 states and 84 transitions. cyclomatic complexity: 7. Second operand has 24 states, 24 states have (on average 3.2083333333333335) internal successors, (77), 24 states have internal predecessors, (77), 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 94 states and 100 transitions. Complement of second has 42 states. [2024-11-20 22:08:45,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 25 states 19 stem states 4 non-accepting loop states 2 accepting loop states [2024-11-20 22:08:45,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 3.2083333333333335) internal successors, (77), 24 states have internal predecessors, (77), 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) [2024-11-20 22:08:45,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 101 transitions. [2024-11-20 22:08:45,297 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 101 transitions. Stem has 72 letters. Loop has 5 letters. [2024-11-20 22:08:45,297 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:08:45,297 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 101 transitions. Stem has 77 letters. Loop has 5 letters. [2024-11-20 22:08:45,298 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:08:45,298 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 101 transitions. Stem has 72 letters. Loop has 10 letters. [2024-11-20 22:08:45,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:08:45,299 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 94 states and 100 transitions. [2024-11-20 22:08:45,303 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2024-11-20 22:08:45,304 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 94 states to 89 states and 94 transitions. [2024-11-20 22:08:45,304 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-20 22:08:45,304 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-20 22:08:45,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 94 transitions. [2024-11-20 22:08:45,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:08:45,304 INFO L218 hiAutomatonCegarLoop]: Abstraction has 89 states and 94 transitions. [2024-11-20 22:08:45,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 94 transitions. [2024-11-20 22:08:45,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 84. [2024-11-20 22:08:45,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 84 states have (on average 1.0595238095238095) internal successors, (89), 83 states have internal predecessors, (89), 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) [2024-11-20 22:08:45,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 89 transitions. [2024-11-20 22:08:45,314 INFO L240 hiAutomatonCegarLoop]: Abstraction has 84 states and 89 transitions. [2024-11-20 22:08:45,314 INFO L425 stractBuchiCegarLoop]: Abstraction has 84 states and 89 transitions. [2024-11-20 22:08:45,314 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-20 22:08:45,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states and 89 transitions. [2024-11-20 22:08:45,315 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-11-20 22:08:45,315 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:08:45,315 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:08:45,316 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [15, 14, 14, 13, 13, 1, 1, 1] [2024-11-20 22:08:45,316 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1] [2024-11-20 22:08:45,316 INFO L745 eck$LassoCheckResult]: Stem: 2464#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 2465#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~post1#1, main_#t~bitwise2#1, main_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 2470#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2484#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2467#L22-2 assume !(0 == main_~a~0#1); 2468#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2538#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2537#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2536#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2469#L22-2 assume !(0 == main_~a~0#1); 2466#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2457#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2458#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2461#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2462#L22-2 assume !(0 == main_~a~0#1); 2535#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2534#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2533#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2532#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2531#L22-2 assume !(0 == main_~a~0#1); 2530#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2529#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2528#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2527#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2526#L22-2 assume !(0 == main_~a~0#1); 2525#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2524#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2523#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2522#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2521#L22-2 assume !(0 == main_~a~0#1); 2520#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2519#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2518#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2517#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2516#L22-2 assume !(0 == main_~a~0#1); 2515#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2514#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2513#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2512#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2511#L22-2 assume !(0 == main_~a~0#1); 2510#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2509#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2508#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2507#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2506#L22-2 assume !(0 == main_~a~0#1); 2505#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2504#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2503#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2502#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2501#L22-2 assume !(0 == main_~a~0#1); 2500#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2499#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2498#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2497#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2496#L22-2 assume !(0 == main_~a~0#1); 2495#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2494#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2493#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2492#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2491#L22-2 assume !(0 == main_~a~0#1); 2490#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2489#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2488#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2487#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2476#L22-2 assume !(0 == main_~a~0#1); 2486#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2485#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2477#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2475#L22 assume 0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1;main_#t~bitwise2#1 := main_~a~0#1; 2474#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2463#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2459#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2460#L22-2 [2024-11-20 22:08:45,317 INFO L747 eck$LassoCheckResult]: Loop: 2460#L22-2 assume !(0 == main_~a~0#1); 2483#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2482#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2481#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2479#L22 assume 0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1;main_#t~bitwise2#1 := main_~a~0#1; 2455#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2456#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2478#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2460#L22-2 [2024-11-20 22:08:45,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:45,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1349747349, now seen corresponding path program 6 times [2024-11-20 22:08:45,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:08:45,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264818637] [2024-11-20 22:08:45,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:08:45,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:08:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:45,348 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:08:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:45,373 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:08:45,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:45,378 INFO L85 PathProgramCache]: Analyzing trace with hash -820232444, now seen corresponding path program 1 times [2024-11-20 22:08:45,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:08:45,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631876005] [2024-11-20 22:08:45,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:08:45,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:08:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:45,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:08:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:45,388 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:08:45,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:45,393 INFO L85 PathProgramCache]: Analyzing trace with hash 20034158, now seen corresponding path program 7 times [2024-11-20 22:08:45,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:08:45,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147319892] [2024-11-20 22:08:45,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:08:45,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:08:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:45,419 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:08:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:45,451 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:08:45,655 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:08:45,655 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:08:45,655 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:08:45,655 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:08:45,655 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-20 22:08:45,656 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:45,664 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:08:45,664 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:08:45,664 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration8_Loop [2024-11-20 22:08:45,664 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:08:45,664 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:08:45,667 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:45,671 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:45,706 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:45,874 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:08:45,874 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-20 22:08:45,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:45,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:45,875 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:45,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2024-11-20 22:08:45,878 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:08:45,878 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:45,889 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:08:45,889 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:08:45,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:45,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:45,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:45,897 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:45,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2024-11-20 22:08:45,899 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:08:45,899 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:45,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:45,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:45,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:45,918 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:45,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2024-11-20 22:08:45,920 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-20 22:08:45,920 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:45,947 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-20 22:08:45,952 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2024-11-20 22:08:45,952 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:08:45,952 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:08:45,952 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:08:45,952 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:08:45,952 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-20 22:08:45,952 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:45,952 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:08:45,952 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:08:45,953 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration8_Loop [2024-11-20 22:08:45,953 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:08:45,953 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:08:45,954 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:45,981 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:45,983 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:46,139 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:08:46,139 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-20 22:08:46,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:46,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:46,140 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:46,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2024-11-20 22:08:46,142 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 [2024-11-20 22:08:46,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:46,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:08:46,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:46,153 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2024-11-20 22:08:46,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:08:46,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-20 22:08:46,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:08:46,161 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-20 22:08:46,165 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-20 22:08:46,165 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-20 22:08:46,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:46,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:46,166 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:46,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2024-11-20 22:08:46,168 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-20 22:08:46,168 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-20 22:08:46,168 INFO L474 LassoAnalysis]: Proved termination. [2024-11-20 22:08:46,168 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~a~0#1) = -1*ULTIMATE.start_main_~a~0#1 + 2147483647 Supporting invariants [] [2024-11-20 22:08:46,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:46,174 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-20 22:08:46,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:08:46,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 22:08:46,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:08:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:08:46,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 22:08:46,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:08:46,510 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:08:46,510 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2024-11-20 22:08:46,511 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 84 states and 89 transitions. cyclomatic complexity: 8 Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 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) [2024-11-20 22:08:46,559 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 84 states and 89 transitions. cyclomatic complexity: 8. Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 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) Result 168 states and 179 transitions. Complement of second has 10 states. [2024-11-20 22:08:46,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2024-11-20 22:08:46,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 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) [2024-11-20 22:08:46,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 18 transitions. [2024-11-20 22:08:46,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 72 letters. Loop has 8 letters. [2024-11-20 22:08:46,561 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:08:46,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 80 letters. Loop has 8 letters. [2024-11-20 22:08:46,562 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:08:46,562 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 72 letters. Loop has 16 letters. [2024-11-20 22:08:46,562 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:08:46,562 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 168 states and 179 transitions. [2024-11-20 22:08:46,563 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-20 22:08:46,564 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 168 states to 90 states and 96 transitions. [2024-11-20 22:08:46,564 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-11-20 22:08:46,564 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-20 22:08:46,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 96 transitions. [2024-11-20 22:08:46,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:08:46,565 INFO L218 hiAutomatonCegarLoop]: Abstraction has 90 states and 96 transitions. [2024-11-20 22:08:46,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states and 96 transitions. [2024-11-20 22:08:46,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 86. [2024-11-20 22:08:46,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 86 states have (on average 1.058139534883721) internal successors, (91), 85 states have internal predecessors, (91), 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) [2024-11-20 22:08:46,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 91 transitions. [2024-11-20 22:08:46,569 INFO L240 hiAutomatonCegarLoop]: Abstraction has 86 states and 91 transitions. [2024-11-20 22:08:46,569 INFO L425 stractBuchiCegarLoop]: Abstraction has 86 states and 91 transitions. [2024-11-20 22:08:46,569 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-20 22:08:46,570 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states and 91 transitions. [2024-11-20 22:08:46,570 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-20 22:08:46,570 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:08:46,570 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:08:46,571 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [16, 16, 14, 14, 14, 2, 1, 1] [2024-11-20 22:08:46,571 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-20 22:08:46,572 INFO L745 eck$LassoCheckResult]: Stem: 2988#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 2989#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~post1#1, main_#t~bitwise2#1, main_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 2987#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2983#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2984#L22-2 assume !(0 == main_~a~0#1); 2991#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 3064#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 3063#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3062#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2992#L22-2 assume !(0 == main_~a~0#1); 2990#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2981#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2982#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2985#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2986#L22-2 assume !(0 == main_~a~0#1); 3061#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 3060#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 3059#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3058#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 3057#L22-2 assume !(0 == main_~a~0#1); 3056#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 3055#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 3054#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3053#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 3052#L22-2 assume !(0 == main_~a~0#1); 3051#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 3050#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 3049#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3048#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 3047#L22-2 assume !(0 == main_~a~0#1); 3046#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 3045#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 3044#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3043#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 3042#L22-2 assume !(0 == main_~a~0#1); 3041#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 3040#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 3039#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3038#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 3037#L22-2 assume !(0 == main_~a~0#1); 3036#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 3035#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 3034#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3033#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 3032#L22-2 assume !(0 == main_~a~0#1); 3031#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 3030#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 3029#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3028#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 3027#L22-2 assume !(0 == main_~a~0#1); 3026#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 3025#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 3024#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3023#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 3022#L22-2 assume !(0 == main_~a~0#1); 3021#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 3020#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 3019#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3018#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 3017#L22-2 assume !(0 == main_~a~0#1); 3016#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 3015#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 3014#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3012#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 3011#L22-2 assume !(0 == main_~a~0#1); 3010#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 3008#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 3009#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3013#L22 assume 0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1;main_#t~bitwise2#1 := main_~a~0#1; 3003#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 3005#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3001#L22 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 2997#L22-2 assume !(0 == main_~a~0#1); 3000#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~b~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 >= main_~a~0#1) && ((main_~b~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise2#1 >= main_~b~0#1)) && ((main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~bitwise2#1 <= main_~b~0#1 + main_~a~0#1)) && ((main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 2999#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2998#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2996#L22 assume 0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1;main_#t~bitwise2#1 := main_~a~0#1; 2994#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2980#L20-2 [2024-11-20 22:08:46,572 INFO L747 eck$LassoCheckResult]: Loop: 2980#L20-2 assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2993#L22 assume 0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1;main_#t~bitwise2#1 := main_~a~0#1; 2979#L22-5 main_~b~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2980#L20-2 [2024-11-20 22:08:46,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:46,572 INFO L85 PathProgramCache]: Analyzing trace with hash -2100535479, now seen corresponding path program 8 times [2024-11-20 22:08:46,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:08:46,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909548182] [2024-11-20 22:08:46,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:08:46,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:08:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:46,625 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:08:46,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2024-11-20 22:08:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:46,648 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:08:46,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:46,649 INFO L85 PathProgramCache]: Analyzing trace with hash 40820, now seen corresponding path program 4 times [2024-11-20 22:08:46,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:08:46,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288203469] [2024-11-20 22:08:46,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:08:46,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:08:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:46,652 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:08:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:08:46,653 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:08:46,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:46,654 INFO L85 PathProgramCache]: Analyzing trace with hash 621058860, now seen corresponding path program 9 times [2024-11-20 22:08:46,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:08:46,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390329018] [2024-11-20 22:08:46,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:08:46,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:08:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:08:47,254 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 590 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:08:47,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:08:47,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390329018] [2024-11-20 22:08:47,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390329018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:08:47,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:08:47,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-11-20 22:08:47,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116324561] [2024-11-20 22:08:47,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:08:47,289 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:08:47,289 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:08:47,289 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:08:47,289 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:08:47,289 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-20 22:08:47,289 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:47,289 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:08:47,289 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:08:47,289 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration9_Loop [2024-11-20 22:08:47,289 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:08:47,289 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:08:47,290 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:47,292 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:47,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:47,368 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:08:47,368 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-20 22:08:47,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:47,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:47,370 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:47,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2024-11-20 22:08:47,372 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:08:47,372 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:47,389 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:08:47,390 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise2#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:08:47,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:47,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:47,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:47,399 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:08:47,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2024-11-20 22:08:47,402 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:08:47,402 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:47,417 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:08:47,417 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:08:47,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:47,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:47,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:47,427 INFO L229 MonitoredProcess]: Starting monitored process 73 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) [2024-11-20 22:08:47,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2024-11-20 22:08:47,430 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:08:47,430 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:47,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:47,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:47,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:47,455 INFO L229 MonitoredProcess]: Starting monitored process 74 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) [2024-11-20 22:08:47,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2024-11-20 22:08:47,458 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-20 22:08:47,458 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:08:47,785 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-20 22:08:47,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2024-11-20 22:08:47,796 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:08:47,796 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:08:47,796 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:08:47,796 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:08:47,796 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-20 22:08:47,796 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:47,796 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:08:47,796 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:08:47,796 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration9_Loop [2024-11-20 22:08:47,796 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:08:47,796 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:08:47,797 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:47,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:47,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:08:47,856 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:08:47,856 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-20 22:08:47,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:47,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:47,857 INFO L229 MonitoredProcess]: Starting monitored process 75 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) [2024-11-20 22:08:47,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2024-11-20 22:08:47,859 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 [2024-11-20 22:08:47,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:47,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:08:47,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:47,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:08:47,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:08:47,869 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:08:47,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:08:47,870 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:08:47,875 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2024-11-20 22:08:47,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:47,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:47,877 INFO L229 MonitoredProcess]: Starting monitored process 76 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) [2024-11-20 22:08:47,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2024-11-20 22:08:47,878 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 [2024-11-20 22:08:47,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:47,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:08:47,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:47,888 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-20 22:08:47,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:08:47,891 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-20 22:08:47,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:08:47,896 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:08:47,902 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2024-11-20 22:08:47,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:47,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:47,904 INFO L229 MonitoredProcess]: Starting monitored process 77 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) [2024-11-20 22:08:47,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2024-11-20 22:08:47,906 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 [2024-11-20 22:08:47,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:47,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:08:47,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:47,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:08:47,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:08:47,917 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:08:47,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:08:47,918 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:08:47,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:47,925 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-20 22:08:47,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:47,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:47,926 INFO L229 MonitoredProcess]: Starting monitored process 78 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) [2024-11-20 22:08:47,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2024-11-20 22:08:47,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-20 22:08:47,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:47,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:08:47,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:47,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:08:47,938 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-20 22:08:47,939 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-20 22:08:47,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:08:47,940 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:08:47,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:47,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:47,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:47,947 INFO L229 MonitoredProcess]: Starting monitored process 79 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) [2024-11-20 22:08:47,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2024-11-20 22:08:47,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-20 22:08:47,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:08:47,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:08:47,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:08:47,959 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-20 22:08:47,959 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-20 22:08:47,962 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-20 22:08:47,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:08:47,966 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-20 22:08:47,970 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-20 22:08:47,970 INFO L444 ModelExtractionUtils]: 5 out of 9 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-20 22:08:47,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:08:47,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:08:47,971 INFO L229 MonitoredProcess]: Starting monitored process 80 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) [2024-11-20 22:08:47,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2024-11-20 22:08:47,973 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-20 22:08:47,973 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-20 22:08:47,973 INFO L474 LassoAnalysis]: Proved termination. [2024-11-20 22:08:47,973 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -1*ULTIMATE.start_main_~a~0#1 f1 = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-20 22:08:47,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:47,979 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-20 22:08:47,980 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-20 22:08:47,980 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-20 22:08:47,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:08:48,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 22:08:48,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:08:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:08:48,096 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-20 22:08:48,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:08:48,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:08:48,168 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-20 22:08:48,168 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 86 states and 91 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-20 22:08:48,193 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 86 states and 91 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 90 states and 95 transitions. Complement of second has 5 states. [2024-11-20 22:08:48,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-20 22:08:48,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-20 22:08:48,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2024-11-20 22:08:48,196 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 78 letters. Loop has 3 letters. [2024-11-20 22:08:48,196 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:08:48,196 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-20 22:08:48,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:08:48,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 22:08:48,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:08:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:08:48,335 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-20 22:08:48,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:08:48,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:08:48,412 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-20 22:08:48,413 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 86 states and 91 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-20 22:08:48,433 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 86 states and 91 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 90 states and 95 transitions. Complement of second has 5 states. [2024-11-20 22:08:48,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-20 22:08:48,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-20 22:08:48,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2024-11-20 22:08:48,434 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 78 letters. Loop has 3 letters. [2024-11-20 22:08:48,434 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:08:48,434 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-20 22:08:48,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:08:48,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:08:48,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 22:08:48,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:08:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:08:48,596 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-20 22:08:48,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:08:48,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:08:48,658 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-20 22:08:48,658 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 86 states and 91 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-20 22:08:48,685 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 86 states and 91 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 148 states and 158 transitions. Complement of second has 6 states. [2024-11-20 22:08:48,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-20 22:08:48,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-20 22:08:48,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2024-11-20 22:08:48,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 78 letters. Loop has 3 letters. [2024-11-20 22:08:48,686 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:08:48,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 81 letters. Loop has 3 letters. [2024-11-20 22:08:48,687 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:08:48,687 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 78 letters. Loop has 6 letters. [2024-11-20 22:08:48,687 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:08:48,687 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 148 states and 158 transitions. [2024-11-20 22:08:48,688 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-20 22:08:48,689 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 148 states to 0 states and 0 transitions. [2024-11-20 22:08:48,689 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-20 22:08:48,689 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-20 22:08:48,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-20 22:08:48,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-20 22:08:48,689 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 22:08:48,689 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 22:08:48,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:08:48,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-20 22:08:48,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=233, Unknown=0, NotChecked=0, Total=462 [2024-11-20 22:08:48,690 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 22 states, 22 states have (on average 3.6818181818181817) internal successors, (81), 22 states have internal predecessors, (81), 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) [2024-11-20 22:08:48,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:08:48,690 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-20 22:08:48,690 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-20 22:08:48,691 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-20 22:08:48,691 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-20 22:08:48,691 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-20 22:08:48,691 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-20 22:08:48,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-20 22:08:48,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-20 22:08:48,691 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 22:08:48,691 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 22:08:48,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 22:08:48,692 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 22:08:48,692 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-20 22:08:48,692 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-20 22:08:48,692 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-20 22:08:48,692 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-20 22:08:48,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:08:48 BoogieIcfgContainer [2024-11-20 22:08:48,699 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-20 22:08:48,700 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 22:08:48,700 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 22:08:48,700 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 22:08:48,701 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:08:21" (3/4) ... [2024-11-20 22:08:48,703 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 22:08:48,704 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 22:08:48,704 INFO L158 Benchmark]: Toolchain (without parser) took 27517.13ms. Allocated memory was 130.0MB in the beginning and 205.5MB in the end (delta: 75.5MB). Free memory was 62.3MB in the beginning and 134.9MB in the end (delta: -72.6MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2024-11-20 22:08:48,704 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 130.0MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 22:08:48,704 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.81ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 62.1MB in the beginning and 134.2MB in the end (delta: -72.0MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-11-20 22:08:48,705 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.03ms. Allocated memory is still 167.8MB. Free memory was 134.2MB in the beginning and 133.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 22:08:48,705 INFO L158 Benchmark]: Boogie Preprocessor took 30.40ms. Allocated memory is still 167.8MB. Free memory was 133.0MB in the beginning and 131.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 22:08:48,705 INFO L158 Benchmark]: RCFGBuilder took 235.50ms. Allocated memory is still 167.8MB. Free memory was 131.6MB in the beginning and 121.7MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-20 22:08:48,705 INFO L158 Benchmark]: BuchiAutomizer took 26935.24ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 121.7MB in the beginning and 134.9MB in the end (delta: -13.2MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2024-11-20 22:08:48,705 INFO L158 Benchmark]: Witness Printer took 3.95ms. Allocated memory is still 205.5MB. Free memory is still 134.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 22:08:48,707 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 130.0MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.81ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 62.1MB in the beginning and 134.2MB in the end (delta: -72.0MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.03ms. Allocated memory is still 167.8MB. Free memory was 134.2MB in the beginning and 133.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.40ms. Allocated memory is still 167.8MB. Free memory was 133.0MB in the beginning and 131.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 235.50ms. Allocated memory is still 167.8MB. Free memory was 131.6MB in the beginning and 121.7MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 26935.24ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 121.7MB in the beginning and 134.9MB in the end (delta: -13.2MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * Witness Printer took 3.95ms. Allocated memory is still 205.5MB. Free memory is still 134.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 13 terminating modules (6 trivial, 5 deterministic, 2 nondeterministic). One deterministic module has 2-nested ranking function null, null and consists of 6 locations. One deterministic module has 2-nested ranking function null, null and consists of 4 locations. One deterministic module has affine ranking function (4294967295 + ((long) -2 * a)) and consists of 8 locations. One deterministic module has 2-nested ranking function null, null and consists of 4 locations. One deterministic module has affine ranking function (2147483647 + ((long) -1 * a)) and consists of 6 locations. One nondeterministic module has affine ranking function (((long) 2 * x) + 1) and consists of 25 locations. One nondeterministic module has 2-nested ranking function null, null and consists of 4 locations. 6 modules have a trivial ranking function, the largest among these consists of 58 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 26.8s and 10 iterations. TraceHistogramMax:16. Analysis of lassos took 21.0s. Construction of modules took 0.8s. Büchi inclusion checks took 4.8s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 9. Automata minimization 0.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 21 StatesRemovedByMinimization, 8 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 [5, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/3 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 289 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 282 mSDsluCounter, 160 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 75 mSDsCounter, 198 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1452 IncrementalHoareTripleChecker+Invalid, 1650 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 198 mSolverCounterUnsat, 85 mSDtfsCounter, 1452 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT2 SILN2 SILU0 SILI0 SILT2 lasso2 LassoPreprocessingBenchmarks: Lassos: inital57 mio100 ax100 hnf100 lsp107 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq156 hnf95 smp100 dnf948 smp53 tf101 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 2035ms VariablesStem: 3 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 7 SupportingInvariants: 14 MotzkinApplications: 126 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 17 LassoNonterminationAnalysisSatUnbounded: 4 LassoNonterminationAnalysisUnsat: 7 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.8s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-20 22:08:48,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2024-11-20 22:08:48,925 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-11-20 22:08:49,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-20 22:08:49,326 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE