./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/gcd_4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/gcd_4.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 679f2fe8d678884423b2dff47bf2c3c7ede0374b3a8bb68f9a9e8a332d8776ef --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-12 00:25:47,158 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 00:25:47,233 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-12 00:25:47,236 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 00:25:47,236 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 00:25:47,261 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 00:25:47,262 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 00:25:47,262 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 00:25:47,263 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 00:25:47,263 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 00:25:47,263 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 00:25:47,263 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 00:25:47,264 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 00:25:47,264 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-12 00:25:47,264 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-12 00:25:47,264 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-12 00:25:47,265 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-12 00:25:47,265 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-12 00:25:47,265 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-12 00:25:47,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 00:25:47,266 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-12 00:25:47,269 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 00:25:47,269 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 00:25:47,270 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 00:25:47,270 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 00:25:47,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-12 00:25:47,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-12 00:25:47,271 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-12 00:25:47,271 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 00:25:47,271 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-12 00:25:47,271 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 00:25:47,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 00:25:47,272 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-12 00:25:47,272 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 00:25:47,272 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 00:25:47,272 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 00:25:47,272 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 00:25:47,272 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 00:25:47,273 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-12 00:25:47,273 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 679f2fe8d678884423b2dff47bf2c3c7ede0374b3a8bb68f9a9e8a332d8776ef [2024-10-12 00:25:47,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 00:25:47,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 00:25:47,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 00:25:47,494 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 00:25:47,495 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 00:25:47,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/gcd_4.c [2024-10-12 00:25:48,738 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 00:25:48,923 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 00:25:48,924 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/gcd_4.c [2024-10-12 00:25:48,931 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/bd313d84e/de878ad6f0214aae9c9a939eeec9064c/FLAG8bf9c0330 [2024-10-12 00:25:49,321 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/bd313d84e/de878ad6f0214aae9c9a939eeec9064c [2024-10-12 00:25:49,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 00:25:49,324 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 00:25:49,325 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 00:25:49,325 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 00:25:49,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 00:25:49,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:25:49" (1/1) ... [2024-10-12 00:25:49,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b1050d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:25:49, skipping insertion in model container [2024-10-12 00:25:49,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:25:49" (1/1) ... [2024-10-12 00:25:49,346 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 00:25:49,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:25:49,495 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 00:25:49,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:25:49,522 INFO L204 MainTranslator]: Completed translation [2024-10-12 00:25:49,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:25:49 WrapperNode [2024-10-12 00:25:49,523 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 00:25:49,524 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 00:25:49,524 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 00:25:49,524 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 00:25:49,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:25:49" (1/1) ... [2024-10-12 00:25:49,535 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:25:49" (1/1) ... [2024-10-12 00:25:49,550 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 69 [2024-10-12 00:25:49,550 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 00:25:49,551 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 00:25:49,551 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 00:25:49,551 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 00:25:49,560 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:25:49" (1/1) ... [2024-10-12 00:25:49,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:25:49" (1/1) ... [2024-10-12 00:25:49,561 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:25:49" (1/1) ... [2024-10-12 00:25:49,571 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-10-12 00:25:49,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:25:49" (1/1) ... [2024-10-12 00:25:49,571 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:25:49" (1/1) ... [2024-10-12 00:25:49,595 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:25:49" (1/1) ... [2024-10-12 00:25:49,599 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:25:49" (1/1) ... [2024-10-12 00:25:49,601 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:25:49" (1/1) ... [2024-10-12 00:25:49,602 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:25:49" (1/1) ... [2024-10-12 00:25:49,603 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 00:25:49,604 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 00:25:49,604 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 00:25:49,604 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 00:25:49,605 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:25:49" (1/1) ... [2024-10-12 00:25:49,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:25:49,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:49,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:25:49,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-12 00:25:49,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 00:25:49,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 00:25:49,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-12 00:25:49,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 00:25:49,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 00:25:49,737 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 00:25:49,738 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 00:25:49,874 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-10-12 00:25:49,878 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 00:25:49,897 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 00:25:49,898 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-12 00:25:49,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:25:49 BoogieIcfgContainer [2024-10-12 00:25:49,898 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 00:25:49,900 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-12 00:25:49,900 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-12 00:25:49,904 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-12 00:25:49,907 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:25:49,907 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.10 12:25:49" (1/3) ... [2024-10-12 00:25:49,908 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c9448a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:25:49, skipping insertion in model container [2024-10-12 00:25:49,909 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:25:49,909 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:25:49" (2/3) ... [2024-10-12 00:25:49,909 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c9448a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:25:49, skipping insertion in model container [2024-10-12 00:25:49,910 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:25:49,910 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:25:49" (3/3) ... [2024-10-12 00:25:49,911 INFO L332 chiAutomizerObserver]: Analyzing ICFG gcd_4.c [2024-10-12 00:25:49,986 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-12 00:25:49,987 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-12 00:25:49,987 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-12 00:25:49,987 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-12 00:25:49,987 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-12 00:25:49,988 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-12 00:25:49,988 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-12 00:25:49,989 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-12 00:25:49,993 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:25:50,008 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:25:50,008 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:25:50,009 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:25:50,013 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-10-12 00:25:50,013 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:25:50,013 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-12 00:25:50,014 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:25:50,015 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:25:50,016 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:25:50,016 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:25:50,016 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-10-12 00:25:50,016 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:25:50,023 INFO L745 eck$LassoCheckResult]: Stem: 21#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call write~init~int#1(103, 2, 0, 1);call write~init~int#1(99, 2, 1, 1);call write~init~int#1(100, 2, 2, 1);call write~init~int#1(95, 2, 3, 1);call write~init~int#1(52, 2, 4, 1);call write~init~int#1(46, 2, 5, 1);call write~init~int#1(99, 2, 6, 1);call write~init~int#1(0, 2, 7, 1);call #Ultimate.allocInit(12, 3); 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~x~0#1, main_~y~0#1, main_~g~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~g~0#1;main_~x~0#1 := 63;main_~y~0#1 := 18;assume { :begin_inline_gcd_test } true;gcd_test_#in~a#1, gcd_test_#in~b#1 := main_~x~0#1, main_~y~0#1;havoc gcd_test_#res#1;havoc gcd_test_~a#1, gcd_test_~b#1;gcd_test_~a#1 := gcd_test_#in~a#1;gcd_test_~b#1 := gcd_test_#in~b#1; 17#L22true assume !(gcd_test_~a#1 < 0); 12#L22-2true assume !(gcd_test_~b#1 < 0); 13#L23-1true assume !(0 == gcd_test_~a#1); 5#L30-2true [2024-10-12 00:25:50,024 INFO L747 eck$LassoCheckResult]: Loop: 5#L30-2true assume !!(0 != gcd_test_~b#1); 7#L30true assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 5#L30-2true [2024-10-12 00:25:50,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:25:50,033 INFO L85 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2024-10-12 00:25:50,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:25:50,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615202211] [2024-10-12 00:25:50,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:25:50,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:25:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:25:50,136 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:25:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:25:50,161 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:25:50,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:25:50,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 1 times [2024-10-12 00:25:50,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:25:50,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564902292] [2024-10-12 00:25:50,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:25:50,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:25:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:25:50,173 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:25:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:25:50,181 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:25:50,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:25:50,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1806939727, now seen corresponding path program 1 times [2024-10-12 00:25:50,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:25:50,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706635757] [2024-10-12 00:25:50,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:25:50,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:25:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:25:50,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:25:50,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:25:50,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706635757] [2024-10-12 00:25:50,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706635757] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:25:50,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:25:50,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-12 00:25:50,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503966273] [2024-10-12 00:25:50,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:25:50,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:25:50,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 00:25:50,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 00:25:50,436 INFO L87 Difference]: Start difference. First operand has 24 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:25:50,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:25:50,472 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2024-10-12 00:25:50,473 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 24 transitions. [2024-10-12 00:25:50,475 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:25:50,477 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 9 states and 10 transitions. [2024-10-12 00:25:50,479 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-10-12 00:25:50,480 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-10-12 00:25:50,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2024-10-12 00:25:50,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:25:50,481 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-10-12 00:25:50,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2024-10-12 00:25:50,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-10-12 00:25:50,500 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) [2024-10-12 00:25:50,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2024-10-12 00:25:50,502 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-10-12 00:25:50,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 00:25:50,508 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-10-12 00:25:50,508 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-12 00:25:50,508 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2024-10-12 00:25:50,508 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:25:50,509 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:25:50,509 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:25:50,509 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-12 00:25:50,509 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:25:50,510 INFO L745 eck$LassoCheckResult]: Stem: 63#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call write~init~int#1(103, 2, 0, 1);call write~init~int#1(99, 2, 1, 1);call write~init~int#1(100, 2, 2, 1);call write~init~int#1(95, 2, 3, 1);call write~init~int#1(52, 2, 4, 1);call write~init~int#1(46, 2, 5, 1);call write~init~int#1(99, 2, 6, 1);call write~init~int#1(0, 2, 7, 1);call #Ultimate.allocInit(12, 3); 64#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~x~0#1, main_~y~0#1, main_~g~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~g~0#1;main_~x~0#1 := 63;main_~y~0#1 := 18;assume { :begin_inline_gcd_test } true;gcd_test_#in~a#1, gcd_test_#in~b#1 := main_~x~0#1, main_~y~0#1;havoc gcd_test_#res#1;havoc gcd_test_~a#1, gcd_test_~b#1;gcd_test_~a#1 := gcd_test_#in~a#1;gcd_test_~b#1 := gcd_test_#in~b#1; 58#L22 assume !(gcd_test_~a#1 < 0); 59#L22-2 assume !(gcd_test_~b#1 < 0); 65#L23-1 assume !(0 == gcd_test_~a#1); 66#L30-2 assume !!(0 != gcd_test_~b#1); 62#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 60#L30-2 [2024-10-12 00:25:50,510 INFO L747 eck$LassoCheckResult]: Loop: 60#L30-2 assume !!(0 != gcd_test_~b#1); 61#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 60#L30-2 [2024-10-12 00:25:50,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:25:50,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1806939725, now seen corresponding path program 1 times [2024-10-12 00:25:50,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:25:50,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410273112] [2024-10-12 00:25:50,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:25:50,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:25:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:25:50,528 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:25:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:25:50,541 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:25:50,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:25:50,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 2 times [2024-10-12 00:25:50,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:25:50,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362498066] [2024-10-12 00:25:50,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:25:50,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:25:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:25:50,549 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:25:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:25:50,555 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:25:50,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:25:50,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1302289042, now seen corresponding path program 1 times [2024-10-12 00:25:50,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:25:50,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834073028] [2024-10-12 00:25:50,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:25:50,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:25:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:25:50,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:25:50,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:25:50,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834073028] [2024-10-12 00:25:50,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834073028] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 00:25:50,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790800850] [2024-10-12 00:25:50,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:25:50,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 00:25:50,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:50,716 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 00:25:50,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-12 00:25:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:25:50,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-12 00:25:50,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:25:50,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:25:50,907 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 00:25:50,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:25:50,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1790800850] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 00:25:50,956 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 00:25:50,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-10-12 00:25:50,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102931645] [2024-10-12 00:25:50,956 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 00:25:50,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:25:50,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 00:25:50,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-10-12 00:25:50,979 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. cyclomatic complexity: 2 Second operand has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:25:51,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:25:51,012 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2024-10-12 00:25:51,012 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 14 transitions. [2024-10-12 00:25:51,012 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:25:51,013 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 14 transitions. [2024-10-12 00:25:51,013 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-10-12 00:25:51,014 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-10-12 00:25:51,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 14 transitions. [2024-10-12 00:25:51,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:25:51,014 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 14 transitions. [2024-10-12 00:25:51,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 14 transitions. [2024-10-12 00:25:51,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-10-12 00:25:51,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:25:51,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2024-10-12 00:25:51,016 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 14 transitions. [2024-10-12 00:25:51,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 00:25:51,018 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 14 transitions. [2024-10-12 00:25:51,018 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-12 00:25:51,018 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 14 transitions. [2024-10-12 00:25:51,018 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:25:51,018 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:25:51,018 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:25:51,019 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1] [2024-10-12 00:25:51,019 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:25:51,019 INFO L745 eck$LassoCheckResult]: Stem: 146#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call write~init~int#1(103, 2, 0, 1);call write~init~int#1(99, 2, 1, 1);call write~init~int#1(100, 2, 2, 1);call write~init~int#1(95, 2, 3, 1);call write~init~int#1(52, 2, 4, 1);call write~init~int#1(46, 2, 5, 1);call write~init~int#1(99, 2, 6, 1);call write~init~int#1(0, 2, 7, 1);call #Ultimate.allocInit(12, 3); 147#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~x~0#1, main_~y~0#1, main_~g~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~g~0#1;main_~x~0#1 := 63;main_~y~0#1 := 18;assume { :begin_inline_gcd_test } true;gcd_test_#in~a#1, gcd_test_#in~b#1 := main_~x~0#1, main_~y~0#1;havoc gcd_test_#res#1;havoc gcd_test_~a#1, gcd_test_~b#1;gcd_test_~a#1 := gcd_test_#in~a#1;gcd_test_~b#1 := gcd_test_#in~b#1; 141#L22 assume !(gcd_test_~a#1 < 0); 142#L22-2 assume !(gcd_test_~b#1 < 0); 148#L23-1 assume !(0 == gcd_test_~a#1); 149#L30-2 assume !!(0 != gcd_test_~b#1); 145#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 143#L30-2 assume !!(0 != gcd_test_~b#1); 144#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 153#L30-2 assume !!(0 != gcd_test_~b#1); 152#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 151#L30-2 [2024-10-12 00:25:51,019 INFO L747 eck$LassoCheckResult]: Loop: 151#L30-2 assume !!(0 != gcd_test_~b#1); 150#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 151#L30-2 [2024-10-12 00:25:51,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:25:51,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1664285203, now seen corresponding path program 2 times [2024-10-12 00:25:51,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:25:51,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023220825] [2024-10-12 00:25:51,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:25:51,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:25:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:25:51,028 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:25:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:25:51,035 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:25:51,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:25:51,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 3 times [2024-10-12 00:25:51,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:25:51,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933567660] [2024-10-12 00:25:51,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:25:51,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:25:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:25:51,039 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:25:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:25:51,045 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:25:51,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:25:51,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1650246872, now seen corresponding path program 2 times [2024-10-12 00:25:51,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:25:51,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101611883] [2024-10-12 00:25:51,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:25:51,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:25:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:25:51,055 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:25:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:25:51,063 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:25:51,389 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:25:51,389 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:25:51,389 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:25:51,390 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:25:51,390 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:25:51,390 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:25:51,390 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:25:51,390 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:25:51,390 INFO L132 ssoRankerPreferences]: Filename of dumped script: gcd_4.c_Iteration3_Lasso [2024-10-12 00:25:51,390 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:25:51,390 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:25:51,402 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:25:51,412 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:25:51,414 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:25:51,432 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:25:51,434 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:25:51,436 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:25:51,499 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:25:51,512 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:25:51,545 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:25:51,551 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:25:51,554 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:25:51,555 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:25:51,769 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:25:51,772 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:25:51,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:25:51,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:51,777 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:25:51,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-12 00:25:51,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:25:51,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:25:51,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:25:51,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:25:51,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:25:51,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:25:51,795 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:25:51,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:25:51,799 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:25:51,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-10-12 00:25:51,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:25:51,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:51,813 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:25:51,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-12 00:25:51,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:25:51,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:25:51,826 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:25:51,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:25:51,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:25:51,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:25:51,827 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:25:51,827 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:25:51,831 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:25:51,842 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-12 00:25:51,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:25:51,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:51,845 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:25:51,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-12 00:25:51,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:25:51,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:25:51,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:25:51,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:25:51,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:25:51,864 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:25:51,864 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:25:51,867 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:25:51,882 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-12 00:25:51,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:25:51,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:51,885 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:25:51,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-12 00:25:51,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:25:51,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:25:51,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:25:51,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:25:51,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:25:51,904 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:25:51,904 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:25:51,908 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:25:51,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-10-12 00:25:51,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:25:51,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:51,923 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:25:51,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-12 00:25:51,925 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:25:51,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:25:51,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:25:51,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:25:51,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:25:51,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:25:51,937 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:25:51,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:25:51,938 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:25:51,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-10-12 00:25:51,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:25:51,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:51,953 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:25:51,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-12 00:25:51,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:25:51,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:25:51,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:25:51,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:25:51,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:25:51,967 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:25:51,967 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:25:51,970 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:25:51,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-10-12 00:25:51,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:25:51,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:51,985 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:25:51,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-12 00:25:51,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:25:52,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:25:52,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:25:52,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:25:52,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:25:52,005 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:25:52,005 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:25:52,012 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:25:52,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-10-12 00:25:52,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:25:52,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:52,028 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:25:52,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-12 00:25:52,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:25:52,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:25:52,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:25:52,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:25:52,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:25:52,051 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:25:52,051 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:25:52,054 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:25:52,067 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-12 00:25:52,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:25:52,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:52,069 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:25:52,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-12 00:25:52,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:25:52,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:25:52,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:25:52,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:25:52,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:25:52,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:25:52,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:25:52,087 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:25:52,099 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-12 00:25:52,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:25:52,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:52,101 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:25:52,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-12 00:25:52,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:25:52,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:25:52,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:25:52,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:25:52,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:25:52,117 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:25:52,117 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:25:52,120 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:25:52,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-10-12 00:25:52,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:25:52,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:52,133 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:25:52,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-12 00:25:52,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:25:52,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:25:52,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:25:52,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:25:52,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:25:52,146 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:25:52,146 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:25:52,149 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:25:52,160 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-12 00:25:52,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:25:52,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:52,162 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:25:52,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-12 00:25:52,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:25:52,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:25:52,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:25:52,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:25:52,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:25:52,175 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:25:52,175 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:25:52,178 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:25:52,189 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-12 00:25:52,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:25:52,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:52,191 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:25:52,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-12 00:25:52,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:25:52,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:25:52,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:25:52,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:25:52,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:25:52,205 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:25:52,205 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:25:52,208 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:25:52,219 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-12 00:25:52,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:25:52,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:52,221 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:25:52,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-12 00:25:52,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:25:52,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:25:52,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:25:52,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:25:52,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:25:52,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:25:52,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:25:52,241 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:25:52,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-10-12 00:25:52,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:25:52,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:52,255 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:25:52,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-12 00:25:52,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:25:52,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:25:52,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:25:52,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:25:52,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:25:52,273 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:25:52,273 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:25:52,276 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:25:52,287 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-12 00:25:52,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:25:52,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:52,290 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:25:52,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-12 00:25:52,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:25:52,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:25:52,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:25:52,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:25:52,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:25:52,305 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:25:52,305 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:25:52,308 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:25:52,320 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-10-12 00:25:52,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:25:52,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:52,322 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:25:52,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-12 00:25:52,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:25:52,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:25:52,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:25:52,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:25:52,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:25:52,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:25:52,341 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:25:52,343 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:25:52,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-10-12 00:25:52,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:25:52,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:52,356 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:25:52,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-12 00:25:52,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:25:52,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:25:52,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:25:52,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:25:52,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:25:52,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:25:52,371 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:25:52,374 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:25:52,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-10-12 00:25:52,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:25:52,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:52,387 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:25:52,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-12 00:25:52,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:25:52,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:25:52,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:25:52,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:25:52,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:25:52,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:25:52,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:25:52,403 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:25:52,414 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-10-12 00:25:52,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:25:52,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:52,416 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:25:52,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-12 00:25:52,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:25:52,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:25:52,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:25:52,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:25:52,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:25:52,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:25:52,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:25:52,432 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:25:52,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-10-12 00:25:52,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:25:52,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:52,445 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:25:52,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-12 00:25:52,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:25:52,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:25:52,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:25:52,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:25:52,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:25:52,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:25:52,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:25:52,461 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:25:52,472 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-10-12 00:25:52,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:25:52,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:52,474 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:25:52,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-12 00:25:52,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:25:52,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:25:52,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:25:52,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:25:52,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:25:52,488 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:25:52,488 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:25:52,490 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:25:52,501 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-10-12 00:25:52,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:25:52,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:52,503 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:25:52,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-12 00:25:52,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:25:52,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:25:52,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:25:52,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:25:52,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:25:52,517 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:25:52,517 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:25:52,520 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:25:52,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-10-12 00:25:52,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:25:52,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:52,533 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:25:52,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-12 00:25:52,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:25:52,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:25:52,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:25:52,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:25:52,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:25:52,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:25:52,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:25:52,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:25:52,547 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:25:52,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-10-12 00:25:52,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:25:52,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:52,560 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:25:52,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-12 00:25:52,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:25:52,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:25:52,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:25:52,571 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-12 00:25:52,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:25:52,577 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-10-12 00:25:52,577 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-12 00:25:52,590 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:25:52,631 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2024-10-12 00:25:52,631 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2024-10-12 00:25:52,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:25:52,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:52,636 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:25:52,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-12 00:25:52,638 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:25:52,650 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 4. [2024-10-12 00:25:52,651 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:25:52,651 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_gcd_test_~b#1) = 1*ULTIMATE.start_gcd_test_~b#1 Supporting invariants [1*ULTIMATE.start_gcd_test_~b#1 >= 0, 1*ULTIMATE.start_gcd_test_~a#1 - 2 >= 0] [2024-10-12 00:25:52,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-10-12 00:25:52,669 INFO L156 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2024-10-12 00:25:52,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:25:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:25:52,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-12 00:25:52,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:25:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:25:52,788 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-12 00:25:52,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:25:52,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:25:52,798 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 1 loop predicates [2024-10-12 00:25:52,799 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 14 transitions. cyclomatic complexity: 2 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:25:52,856 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 14 transitions. cyclomatic complexity: 2. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 15 transitions. Complement of second has 6 states. [2024-10-12 00:25:52,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-12 00:25:52,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:25:52,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-10-12 00:25:52,859 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 11 letters. Loop has 2 letters. [2024-10-12 00:25:52,859 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:25:52,859 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-12 00:25:52,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:25:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:25:52,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-12 00:25:52,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:25:52,962 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-10-12 00:25:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:25:52,975 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-12 00:25:52,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:25:52,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:25:52,982 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 1 loop predicates [2024-10-12 00:25:52,982 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 14 transitions. cyclomatic complexity: 2 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:25:53,022 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 14 transitions. cyclomatic complexity: 2. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 15 transitions. Complement of second has 6 states. [2024-10-12 00:25:53,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-12 00:25:53,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:25:53,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-10-12 00:25:53,023 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 11 letters. Loop has 2 letters. [2024-10-12 00:25:53,023 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:25:53,023 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-12 00:25:53,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:25:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:25:53,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-12 00:25:53,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:25:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:25:53,133 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-12 00:25:53,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:25:53,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:25:53,142 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 1 loop predicates [2024-10-12 00:25:53,142 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 14 transitions. cyclomatic complexity: 2 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:25:53,222 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 14 transitions. cyclomatic complexity: 2. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 25 transitions. Complement of second has 12 states. [2024-10-12 00:25:53,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 1 non-accepting loop states 2 accepting loop states [2024-10-12 00:25:53,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:25:53,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 20 transitions. [2024-10-12 00:25:53,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 11 letters. Loop has 2 letters. [2024-10-12 00:25:53,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:25:53,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 13 letters. Loop has 2 letters. [2024-10-12 00:25:53,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:25:53,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 11 letters. Loop has 4 letters. [2024-10-12 00:25:53,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:25:53,224 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 25 transitions. [2024-10-12 00:25:53,225 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-12 00:25:53,225 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 19 states and 23 transitions. [2024-10-12 00:25:53,225 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-10-12 00:25:53,226 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-10-12 00:25:53,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 23 transitions. [2024-10-12 00:25:53,226 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 00:25:53,226 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 23 transitions. [2024-10-12 00:25:53,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 23 transitions. [2024-10-12 00:25:53,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. [2024-10-12 00:25:53,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:25:53,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2024-10-12 00:25:53,227 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2024-10-12 00:25:53,227 INFO L425 stractBuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2024-10-12 00:25:53,227 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-12 00:25:53,227 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2024-10-12 00:25:53,228 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:25:53,228 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:25:53,228 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:25:53,228 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1, 1] [2024-10-12 00:25:53,228 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:25:53,229 INFO L745 eck$LassoCheckResult]: Stem: 405#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call write~init~int#1(103, 2, 0, 1);call write~init~int#1(99, 2, 1, 1);call write~init~int#1(100, 2, 2, 1);call write~init~int#1(95, 2, 3, 1);call write~init~int#1(52, 2, 4, 1);call write~init~int#1(46, 2, 5, 1);call write~init~int#1(99, 2, 6, 1);call write~init~int#1(0, 2, 7, 1);call #Ultimate.allocInit(12, 3); 406#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~x~0#1, main_~y~0#1, main_~g~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~g~0#1;main_~x~0#1 := 63;main_~y~0#1 := 18;assume { :begin_inline_gcd_test } true;gcd_test_#in~a#1, gcd_test_#in~b#1 := main_~x~0#1, main_~y~0#1;havoc gcd_test_#res#1;havoc gcd_test_~a#1, gcd_test_~b#1;gcd_test_~a#1 := gcd_test_#in~a#1;gcd_test_~b#1 := gcd_test_#in~b#1; 403#L22 assume !(gcd_test_~a#1 < 0); 404#L22-2 assume !(gcd_test_~b#1 < 0); 407#L23-1 assume !(0 == gcd_test_~a#1); 408#L30-2 assume !!(0 != gcd_test_~b#1); 414#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 413#L30-2 assume !!(0 != gcd_test_~b#1); 412#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 411#L30-2 assume !!(0 != gcd_test_~b#1); 410#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 409#L30-2 assume !!(0 != gcd_test_~b#1); 402#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 398#L30-2 [2024-10-12 00:25:53,229 INFO L747 eck$LassoCheckResult]: Loop: 398#L30-2 assume !!(0 != gcd_test_~b#1); 399#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 398#L30-2 [2024-10-12 00:25:53,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:25:53,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1650246870, now seen corresponding path program 3 times [2024-10-12 00:25:53,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:25:53,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082038667] [2024-10-12 00:25:53,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:25:53,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:25:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:25:53,333 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:25:53,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:25:53,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082038667] [2024-10-12 00:25:53,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082038667] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 00:25:53,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471866746] [2024-10-12 00:25:53,334 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-12 00:25:53,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 00:25:53,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:53,336 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 00:25:53,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-12 00:25:53,371 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-10-12 00:25:53,371 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-12 00:25:53,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-12 00:25:53,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:25:53,447 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:25:53,447 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 00:25:53,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471866746] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:25:53,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-12 00:25:53,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-10-12 00:25:53,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379970654] [2024-10-12 00:25:53,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:25:53,450 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-12 00:25:53,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:25:53,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 4 times [2024-10-12 00:25:53,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:25:53,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198520176] [2024-10-12 00:25:53,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:25:53,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:25:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:25:53,454 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:25:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:25:53,458 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:25:53,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:25:53,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-12 00:25:53,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-10-12 00:25:53,475 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:25:53,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:25:53,496 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2024-10-12 00:25:53,496 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 21 transitions. [2024-10-12 00:25:53,496 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:25:53,497 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 18 states and 20 transitions. [2024-10-12 00:25:53,497 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-10-12 00:25:53,497 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-10-12 00:25:53,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 20 transitions. [2024-10-12 00:25:53,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 00:25:53,498 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 20 transitions. [2024-10-12 00:25:53,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 20 transitions. [2024-10-12 00:25:53,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2024-10-12 00:25:53,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 16 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) [2024-10-12 00:25:53,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2024-10-12 00:25:53,499 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-10-12 00:25:53,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-12 00:25:53,500 INFO L425 stractBuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-10-12 00:25:53,500 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-12 00:25:53,500 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 19 transitions. [2024-10-12 00:25:53,501 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:25:53,501 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:25:53,501 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:25:53,501 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 1, 1, 1, 1, 1, 1] [2024-10-12 00:25:53,501 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:25:53,501 INFO L745 eck$LassoCheckResult]: Stem: 490#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call write~init~int#1(103, 2, 0, 1);call write~init~int#1(99, 2, 1, 1);call write~init~int#1(100, 2, 2, 1);call write~init~int#1(95, 2, 3, 1);call write~init~int#1(52, 2, 4, 1);call write~init~int#1(46, 2, 5, 1);call write~init~int#1(99, 2, 6, 1);call write~init~int#1(0, 2, 7, 1);call #Ultimate.allocInit(12, 3); 491#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~x~0#1, main_~y~0#1, main_~g~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~g~0#1;main_~x~0#1 := 63;main_~y~0#1 := 18;assume { :begin_inline_gcd_test } true;gcd_test_#in~a#1, gcd_test_#in~b#1 := main_~x~0#1, main_~y~0#1;havoc gcd_test_#res#1;havoc gcd_test_~a#1, gcd_test_~b#1;gcd_test_~a#1 := gcd_test_#in~a#1;gcd_test_~b#1 := gcd_test_#in~b#1; 488#L22 assume !(gcd_test_~a#1 < 0); 489#L22-2 assume !(gcd_test_~b#1 < 0); 492#L23-1 assume !(0 == gcd_test_~a#1); 493#L30-2 assume !!(0 != gcd_test_~b#1); 499#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 498#L30-2 assume !!(0 != gcd_test_~b#1); 497#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 496#L30-2 assume !!(0 != gcd_test_~b#1); 495#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 494#L30-2 assume !!(0 != gcd_test_~b#1); 486#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 485#L30-2 assume !!(0 != gcd_test_~b#1); 487#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 483#L30-2 [2024-10-12 00:25:53,502 INFO L747 eck$LassoCheckResult]: Loop: 483#L30-2 assume !!(0 != gcd_test_~b#1); 484#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 483#L30-2 [2024-10-12 00:25:53,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:25:53,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1044312667, now seen corresponding path program 3 times [2024-10-12 00:25:53,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:25:53,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384507608] [2024-10-12 00:25:53,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:25:53,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:25:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:25:53,597 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:25:53,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:25:53,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384507608] [2024-10-12 00:25:53,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384507608] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 00:25:53,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797089919] [2024-10-12 00:25:53,598 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-12 00:25:53,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 00:25:53,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:53,599 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 00:25:53,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-12 00:25:53,635 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-10-12 00:25:53,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-12 00:25:53,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-12 00:25:53,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:25:53,738 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:25:53,739 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 00:25:53,804 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:25:53,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797089919] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 00:25:53,804 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 00:25:53,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 15 [2024-10-12 00:25:53,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289118930] [2024-10-12 00:25:53,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 00:25:53,805 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-12 00:25:53,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:25:53,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 5 times [2024-10-12 00:25:53,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:25:53,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283799362] [2024-10-12 00:25:53,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:25:53,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:25:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:25:53,808 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:25:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:25:53,809 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:25:53,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:25:53,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-12 00:25:53,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2024-10-12 00:25:53,821 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. cyclomatic complexity: 4 Second operand has 16 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 16 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:25:53,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:25:53,878 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2024-10-12 00:25:53,879 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 23 transitions. [2024-10-12 00:25:53,879 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:25:53,882 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 20 states and 22 transitions. [2024-10-12 00:25:53,882 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-10-12 00:25:53,882 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-10-12 00:25:53,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 22 transitions. [2024-10-12 00:25:53,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 00:25:53,882 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 22 transitions. [2024-10-12 00:25:53,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 22 transitions. [2024-10-12 00:25:53,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2024-10-12 00:25:53,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.105263157894737) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:25:53,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2024-10-12 00:25:53,884 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2024-10-12 00:25:53,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-12 00:25:53,885 INFO L425 stractBuchiCegarLoop]: Abstraction has 19 states and 21 transitions. [2024-10-12 00:25:53,885 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-12 00:25:53,885 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 21 transitions. [2024-10-12 00:25:53,885 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:25:53,885 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:25:53,885 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:25:53,885 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 4, 2, 1, 1, 1, 1, 1] [2024-10-12 00:25:53,885 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:25:53,886 INFO L745 eck$LassoCheckResult]: Stem: 634#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call write~init~int#1(103, 2, 0, 1);call write~init~int#1(99, 2, 1, 1);call write~init~int#1(100, 2, 2, 1);call write~init~int#1(95, 2, 3, 1);call write~init~int#1(52, 2, 4, 1);call write~init~int#1(46, 2, 5, 1);call write~init~int#1(99, 2, 6, 1);call write~init~int#1(0, 2, 7, 1);call #Ultimate.allocInit(12, 3); 635#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~x~0#1, main_~y~0#1, main_~g~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~g~0#1;main_~x~0#1 := 63;main_~y~0#1 := 18;assume { :begin_inline_gcd_test } true;gcd_test_#in~a#1, gcd_test_#in~b#1 := main_~x~0#1, main_~y~0#1;havoc gcd_test_#res#1;havoc gcd_test_~a#1, gcd_test_~b#1;gcd_test_~a#1 := gcd_test_#in~a#1;gcd_test_~b#1 := gcd_test_#in~b#1; 630#L22 assume !(gcd_test_~a#1 < 0); 631#L22-2 assume !(gcd_test_~b#1 < 0); 636#L23-1 assume !(0 == gcd_test_~a#1); 637#L30-2 assume !!(0 != gcd_test_~b#1); 644#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 643#L30-2 assume !!(0 != gcd_test_~b#1); 642#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 641#L30-2 assume !!(0 != gcd_test_~b#1); 640#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 638#L30-2 assume !!(0 != gcd_test_~b#1); 639#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 628#L30-2 assume !!(0 != gcd_test_~b#1); 629#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 633#L30-2 assume !!(0 != gcd_test_~b#1); 632#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 626#L30-2 [2024-10-12 00:25:53,886 INFO L747 eck$LassoCheckResult]: Loop: 626#L30-2 assume !!(0 != gcd_test_~b#1); 627#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 626#L30-2 [2024-10-12 00:25:53,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:25:53,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1437871456, now seen corresponding path program 4 times [2024-10-12 00:25:53,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:25:53,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145556645] [2024-10-12 00:25:53,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:25:53,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:25:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:25:53,985 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:25:53,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:25:53,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145556645] [2024-10-12 00:25:53,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145556645] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 00:25:53,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121159594] [2024-10-12 00:25:53,986 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-12 00:25:53,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 00:25:53,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:25:53,987 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 00:25:53,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-12 00:25:54,019 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-12 00:25:54,019 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-12 00:25:54,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-12 00:25:54,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:25:54,110 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:25:54,111 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 00:25:54,225 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:25:54,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121159594] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 00:25:54,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 00:25:54,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-10-12 00:25:54,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095722252] [2024-10-12 00:25:54,228 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 00:25:54,228 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-12 00:25:54,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:25:54,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 6 times [2024-10-12 00:25:54,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:25:54,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264501259] [2024-10-12 00:25:54,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:25:54,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:25:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:25:54,233 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:25:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:25:54,235 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:25:54,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:25:54,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-12 00:25:54,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-10-12 00:25:54,250 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. cyclomatic complexity: 4 Second operand has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:25:54,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:25:54,387 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2024-10-12 00:25:54,387 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 15 transitions. [2024-10-12 00:25:54,387 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-12 00:25:54,387 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2024-10-12 00:25:54,387 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-12 00:25:54,387 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-12 00:25:54,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-12 00:25:54,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:25:54,388 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:25:54,388 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:25:54,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-12 00:25:54,388 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:25:54,388 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-10-12 00:25:54,388 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-12 00:25:54,388 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-12 00:25:54,388 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-12 00:25:54,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 12:25:54 BoogieIcfgContainer [2024-10-12 00:25:54,396 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-12 00:25:54,397 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 00:25:54,397 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 00:25:54,397 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 00:25:54,397 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:25:49" (3/4) ... [2024-10-12 00:25:54,398 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-12 00:25:54,399 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 00:25:54,400 INFO L158 Benchmark]: Toolchain (without parser) took 5075.78ms. Allocated memory was 138.4MB in the beginning and 218.1MB in the end (delta: 79.7MB). Free memory was 68.1MB in the beginning and 130.5MB in the end (delta: -62.3MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-10-12 00:25:54,400 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 138.4MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:25:54,400 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.13ms. Allocated memory is still 138.4MB. Free memory was 67.9MB in the beginning and 56.2MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-12 00:25:54,400 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.01ms. Allocated memory is still 138.4MB. Free memory was 56.0MB in the beginning and 54.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:25:54,400 INFO L158 Benchmark]: Boogie Preprocessor took 52.53ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 54.5MB in the beginning and 150.4MB in the end (delta: -95.9MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-10-12 00:25:54,400 INFO L158 Benchmark]: RCFGBuilder took 294.31ms. Allocated memory is still 180.4MB. Free memory was 150.3MB in the beginning and 140.4MB in the end (delta: 9.9MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-10-12 00:25:54,401 INFO L158 Benchmark]: BuchiAutomizer took 4496.65ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 140.4MB in the beginning and 130.5MB in the end (delta: 9.9MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2024-10-12 00:25:54,401 INFO L158 Benchmark]: Witness Printer took 2.56ms. Allocated memory is still 218.1MB. Free memory is still 130.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:25:54,402 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 138.4MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.13ms. Allocated memory is still 138.4MB. Free memory was 67.9MB in the beginning and 56.2MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.01ms. Allocated memory is still 138.4MB. Free memory was 56.0MB in the beginning and 54.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.53ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 54.5MB in the beginning and 150.4MB in the end (delta: -95.9MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * RCFGBuilder took 294.31ms. Allocated memory is still 180.4MB. Free memory was 150.3MB in the beginning and 140.4MB in the end (delta: 9.9MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 4496.65ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 140.4MB in the beginning and 130.5MB in the end (delta: 9.9MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * Witness Printer took 2.56ms. Allocated memory is still 218.1MB. Free memory is still 130.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (5 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function b and consists of 7 locations. 5 modules have a trivial ranking function, the largest among these consists of 18 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.4s and 7 iterations. TraceHistogramMax:6. Analysis of lassos took 3.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 75 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 77 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 297 IncrementalHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 33 mSDtfsCounter, 297 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN3 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital134 mio100 ax100 hnf100 lsp43 ukn44 mio100 lsp76 div100 bol100 ite100 ukn100 eq189 hnf92 smp100 dnf137 smp100 tf100 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 92ms VariablesStem: 2 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-12 00:25:54,421 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-10-12 00:25:54,621 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-10-12 00:25:54,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-10-12 00:25:55,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-12 00:25:55,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE