./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-nla/lcm1-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-nla/lcm1-both-t.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f97166581d7c89cb7c028865e4ba31beb356de109d407b734d3c678bd9fd1d9f --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 15:22:31,802 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 15:22:31,877 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-09 15:22:31,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 15:22:31,886 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 15:22:31,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 15:22:31,911 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 15:22:31,911 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 15:22:31,912 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 15:22:31,912 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 15:22:31,912 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 15:22:31,913 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 15:22:31,914 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 15:22:31,914 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-09 15:22:31,917 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-09 15:22:31,917 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-09 15:22:31,917 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-09 15:22:31,918 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-09 15:22:31,918 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-09 15:22:31,918 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 15:22:31,918 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-09 15:22:31,920 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 15:22:31,920 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 15:22:31,920 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 15:22:31,921 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 15:22:31,921 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-09 15:22:31,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-09 15:22:31,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-09 15:22:31,922 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 15:22:31,922 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 15:22:31,923 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 15:22:31,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 15:22:31,923 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-09 15:22:31,923 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 15:22:31,925 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 15:22:31,925 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 15:22:31,926 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 15:22:31,926 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 15:22:31,926 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-09 15:22:31,926 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f97166581d7c89cb7c028865e4ba31beb356de109d407b734d3c678bd9fd1d9f [2024-11-09 15:22:32,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 15:22:32,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 15:22:32,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 15:22:32,211 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 15:22:32,212 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 15:22:32,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/lcm1-both-t.c [2024-11-09 15:22:33,572 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 15:22:33,750 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 15:22:33,751 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/lcm1-both-t.c [2024-11-09 15:22:33,762 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39f070b47/3ba7b6141e17474f99863640c083826b/FLAGdc249b5a5 [2024-11-09 15:22:34,152 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39f070b47/3ba7b6141e17474f99863640c083826b [2024-11-09 15:22:34,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 15:22:34,155 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 15:22:34,156 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 15:22:34,157 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 15:22:34,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 15:22:34,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:22:34" (1/1) ... [2024-11-09 15:22:34,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43cd9d90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:22:34, skipping insertion in model container [2024-11-09 15:22:34,163 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:22:34" (1/1) ... [2024-11-09 15:22:34,184 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 15:22:34,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:22:34,373 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 15:22:34,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:22:34,401 INFO L204 MainTranslator]: Completed translation [2024-11-09 15:22:34,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:22:34 WrapperNode [2024-11-09 15:22:34,401 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 15:22:34,402 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 15:22:34,402 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 15:22:34,402 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 15:22:34,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:22:34" (1/1) ... [2024-11-09 15:22:34,411 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:22:34" (1/1) ... [2024-11-09 15:22:34,424 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2024-11-09 15:22:34,425 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 15:22:34,425 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 15:22:34,425 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 15:22:34,426 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 15:22:34,434 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:22:34" (1/1) ... [2024-11-09 15:22:34,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:22:34" (1/1) ... [2024-11-09 15:22:34,435 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:22:34" (1/1) ... [2024-11-09 15:22:34,441 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-09 15:22:34,441 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:22:34" (1/1) ... [2024-11-09 15:22:34,441 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:22:34" (1/1) ... [2024-11-09 15:22:34,443 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:22:34" (1/1) ... [2024-11-09 15:22:34,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:22:34" (1/1) ... [2024-11-09 15:22:34,448 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:22:34" (1/1) ... [2024-11-09 15:22:34,448 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:22:34" (1/1) ... [2024-11-09 15:22:34,449 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 15:22:34,450 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 15:22:34,450 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 15:22:34,451 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 15:22:34,451 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:22:34" (1/1) ... [2024-11-09 15:22:34,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:22:34,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:22:34,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:22:34,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-09 15:22:34,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 15:22:34,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 15:22:34,568 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 15:22:34,570 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 15:22:34,711 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 15:22:34,712 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 15:22:34,726 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 15:22:34,726 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-09 15:22:34,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:22:34 BoogieIcfgContainer [2024-11-09 15:22:34,726 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 15:22:34,729 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-09 15:22:34,729 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-09 15:22:34,733 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-09 15:22:34,733 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:22:34,734 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 03:22:34" (1/3) ... [2024-11-09 15:22:34,735 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56dfd433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 03:22:34, skipping insertion in model container [2024-11-09 15:22:34,735 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:22:34,736 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:22:34" (2/3) ... [2024-11-09 15:22:34,737 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56dfd433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 03:22:34, skipping insertion in model container [2024-11-09 15:22:34,737 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:22:34,737 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:22:34" (3/3) ... [2024-11-09 15:22:34,738 INFO L332 chiAutomizerObserver]: Analyzing ICFG lcm1-both-t.c [2024-11-09 15:22:34,820 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-09 15:22:34,820 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-09 15:22:34,821 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-09 15:22:34,821 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-09 15:22:34,821 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-09 15:22:34,821 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-09 15:22:34,821 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-09 15:22:34,822 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-09 15:22:34,826 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:22:34,843 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-09 15:22:34,843 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:22:34,843 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:22:34,850 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-09 15:22:34,850 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-09 15:22:34,850 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-09 15:22:34,851 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:22:34,852 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-09 15:22:34,853 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:22:34,853 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:22:34,853 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-09 15:22:34,853 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-09 15:22:34,860 INFO L745 eck$LassoCheckResult]: Stem: 11#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;havoc main_#t~nondet0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 4#L33true assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 9#L55-2true [2024-11-09 15:22:34,861 INFO L747 eck$LassoCheckResult]: Loop: 9#L55-2true assume !false; 3#L44true assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 12#L47-2true assume !true; 6#L55-1true assume !true; 9#L55-2true [2024-11-09 15:22:34,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:22:34,866 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-11-09 15:22:34,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:22:34,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946030629] [2024-11-09 15:22:34,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:22:34,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:22:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:22:34,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:22:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:22:35,008 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:22:35,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:22:35,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1421558, now seen corresponding path program 1 times [2024-11-09 15:22:35,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:22:35,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062100619] [2024-11-09 15:22:35,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:22:35,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:22:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:22:35,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:22:35,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:22:35,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062100619] [2024-11-09 15:22:35,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062100619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:22:35,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:22:35,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 15:22:35,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919760890] [2024-11-09 15:22:35,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:22:35,054 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-09 15:22:35,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:22:35,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 15:22:35,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 15:22:35,078 INFO L87 Difference]: Start difference. First operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:22:35,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:22:35,082 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2024-11-09 15:22:35,083 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2024-11-09 15:22:35,084 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-09 15:22:35,086 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 9 states and 11 transitions. [2024-11-09 15:22:35,087 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-09 15:22:35,087 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-09 15:22:35,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2024-11-09 15:22:35,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:22:35,088 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2024-11-09 15:22:35,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2024-11-09 15:22:35,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-09 15:22:35,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:22:35,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2024-11-09 15:22:35,111 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2024-11-09 15:22:35,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 15:22:35,115 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2024-11-09 15:22:35,116 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-09 15:22:35,116 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2024-11-09 15:22:35,118 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-09 15:22:35,118 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:22:35,119 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:22:35,119 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-09 15:22:35,120 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-09 15:22:35,120 INFO L745 eck$LassoCheckResult]: Stem: 40#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 41#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;havoc main_#t~nondet0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 42#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 39#L55-2 [2024-11-09 15:22:35,120 INFO L747 eck$LassoCheckResult]: Loop: 39#L55-2 assume !false; 36#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 37#L47-2 assume !false; 38#L49 assume !(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 34#L55-1 assume !false; 35#L57 assume !(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 39#L55-2 [2024-11-09 15:22:35,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:22:35,122 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2024-11-09 15:22:35,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:22:35,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309019654] [2024-11-09 15:22:35,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:22:35,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:22:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:22:35,132 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:22:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:22:35,141 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:22:35,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:22:35,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1365890956, now seen corresponding path program 1 times [2024-11-09 15:22:35,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:22:35,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578325843] [2024-11-09 15:22:35,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:22:35,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:22:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:22:35,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:22:35,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:22:35,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578325843] [2024-11-09 15:22:35,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578325843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:22:35,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:22:35,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 15:22:35,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963064433] [2024-11-09 15:22:35,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:22:35,339 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-09 15:22:35,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:22:35,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 15:22:35,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 15:22:35,345 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. cyclomatic complexity: 3 Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:22:36,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:22:36,082 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2024-11-09 15:22:36,083 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2024-11-09 15:22:36,083 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2024-11-09 15:22:36,084 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 16 transitions. [2024-11-09 15:22:36,084 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-11-09 15:22:36,084 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-09 15:22:36,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2024-11-09 15:22:36,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:22:36,084 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2024-11-09 15:22:36,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2024-11-09 15:22:36,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-09 15:22:36,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:22:36,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2024-11-09 15:22:36,086 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2024-11-09 15:22:36,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 15:22:36,088 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2024-11-09 15:22:36,088 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-09 15:22:36,088 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2024-11-09 15:22:36,088 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2024-11-09 15:22:36,088 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:22:36,089 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:22:36,089 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-09 15:22:36,089 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-09 15:22:36,089 INFO L745 eck$LassoCheckResult]: Stem: 70#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 71#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;havoc main_#t~nondet0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 72#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 69#L55-2 [2024-11-09 15:22:36,089 INFO L747 eck$LassoCheckResult]: Loop: 69#L55-2 assume !false; 65#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 66#L47-2 assume !false; 67#L49 assume !!(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~v~0#1 := main_~v~0#1 + main_~u~0#1; 68#L47-2 assume !false; 75#L49 assume !(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 73#L55-1 assume !false; 74#L57 assume !(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 69#L55-2 [2024-11-09 15:22:36,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:22:36,090 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 3 times [2024-11-09 15:22:36,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:22:36,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64652983] [2024-11-09 15:22:36,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:22:36,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:22:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:22:36,099 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:22:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:22:36,105 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:22:36,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:22:36,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1637427375, now seen corresponding path program 1 times [2024-11-09 15:22:36,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:22:36,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588052478] [2024-11-09 15:22:36,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:22:36,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:22:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 15:22:36,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1976869191] [2024-11-09 15:22:36,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:22:36,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:22:36,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:22:36,125 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 15:22:36,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 15:22:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:22:36,226 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:22:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:22:36,241 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:22:36,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:22:36,243 INFO L85 PathProgramCache]: Analyzing trace with hash 138803444, now seen corresponding path program 1 times [2024-11-09 15:22:36,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:22:36,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545661164] [2024-11-09 15:22:36,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:22:36,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:22:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 15:22:36,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [907028242] [2024-11-09 15:22:36,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:22:36,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:22:36,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:22:36,267 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 15:22:36,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 15:22:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:22:36,377 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:22:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:22:36,402 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:22:53,769 WARN L286 SmtUtils]: Spent 12.28s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 299] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-09 15:22:53,780 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:22:53,781 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:22:53,781 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:22:53,781 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:22:53,781 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:22:53,781 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:22:53,781 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:22:53,781 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:22:53,782 INFO L132 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2024-11-09 15:22:53,782 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:22:53,782 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:22:53,798 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:23:06,413 WARN L286 SmtUtils]: Spent 11.81s on a formula simplification. DAG size of input: 84 DAG size of output: 59 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2024-11-09 15:23:11,691 WARN L286 SmtUtils]: Spent 5.27s on a formula simplification that was a NOOP. DAG size: 59 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2024-11-09 15:23:11,695 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:23:11,696 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:23:11,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:23:11,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:23:11,701 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:23:11,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-09 15:23:11,706 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:23:11,706 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:23:11,744 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-09 15:23:11,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:23:11,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:23:11,749 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:23:11,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-09 15:23:11,753 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:23:11,754 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:23:11,789 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:23:11,804 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-09 15:23:11,805 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:23:11,805 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:23:11,805 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:23:11,805 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:23:11,805 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:23:11,805 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:23:11,806 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:23:11,806 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:23:11,806 INFO L132 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2024-11-09 15:23:11,806 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:23:11,806 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:23:11,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:23:34,372 WARN L286 SmtUtils]: Spent 21.95s on a formula simplification. DAG size of input: 84 DAG size of output: 59 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2024-11-09 15:23:36,962 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:23:36,968 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:23:36,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:23:36,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:23:36,971 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:23:36,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-09 15:23:36,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:23:36,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:23:36,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:23:36,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:23:36,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:23:36,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:23:36,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:23:36,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:23:36,999 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:23:37,014 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-09 15:23:37,016 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-09 15:23:37,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:23:37,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:23:37,018 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:23:37,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-09 15:23:37,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:23:37,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:23:37,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:23:37,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:23:37,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:23:37,033 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-09 15:23:37,037 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-09 15:23:37,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:23:37,043 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:23:37,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-09 15:23:37,059 INFO L451 LassoAnalysis]: Using template '3-nested'. [2024-11-09 15:23:37,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:23:37,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:23:37,060 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:23:37,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-09 15:23:37,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:23:37,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:23:37,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:23:37,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:23:37,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:23:37,080 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-09 15:23:37,089 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-09 15:23:37,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:23:37,098 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:23:37,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-09 15:23:37,109 INFO L451 LassoAnalysis]: Using template '4-nested'. [2024-11-09 15:23:37,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:23:37,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:23:37,111 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:23:37,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-09 15:23:37,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:23:37,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:23:37,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:23:37,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:23:37,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:23:37,125 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-09 15:23:37,132 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-11-09 15:23:37,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:23:37,140 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:23:37,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-09 15:23:37,157 INFO L451 LassoAnalysis]: Using template '2-phase'. [2024-11-09 15:23:37,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:23:37,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:23:37,158 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:23:37,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-09 15:23:37,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:23:37,170 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-09 15:23:37,170 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-09 15:23:37,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:23:37,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:23:37,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:23:37,171 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-09 15:23:37,177 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-09 15:23:37,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:23:37,189 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:23:37,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-09 15:23:37,204 INFO L451 LassoAnalysis]: Using template '3-phase'. [2024-11-09 15:23:37,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:23:37,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:23:37,206 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:23:37,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-09 15:23:37,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:23:37,218 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-09 15:23:37,218 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-11-09 15:23:37,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:23:37,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:23:37,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:23:37,218 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-09 15:23:37,227 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-09 15:23:37,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:23:37,239 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:23:37,255 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-09 15:23:37,256 INFO L451 LassoAnalysis]: Using template '4-phase'. [2024-11-09 15:23:37,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:23:37,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:23:37,258 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:23:37,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-09 15:23:37,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:23:37,276 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-09 15:23:37,276 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-09 15:23:37,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:23:37,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:23:37,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:23:37,277 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-09 15:23:37,287 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-11-09 15:23:37,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:23:37,308 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:23:37,322 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-09 15:23:37,323 INFO L451 LassoAnalysis]: Using template '2-lex'. [2024-11-09 15:23:37,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:23:37,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:23:37,325 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:23:37,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-09 15:23:37,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:23:37,342 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-09 15:23:37,342 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-09 15:23:37,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:23:37,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:23:37,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:23:37,343 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-09 15:23:37,348 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-09 15:23:37,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:23:37,356 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:23:37,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-09 15:23:37,371 INFO L451 LassoAnalysis]: Using template '3-lex'. [2024-11-09 15:23:37,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:23:37,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:23:37,373 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:23:37,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-09 15:23:37,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:23:37,389 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-09 15:23:37,390 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-09 15:23:37,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:23:37,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:23:37,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:23:37,390 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-11-09 15:23:37,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:23:37,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:23:37,412 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:23:37,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-09 15:23:37,520 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:23:37,520 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:23:37,520 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:23:37,520 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:23:37,520 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:23:37,520 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:23:37,521 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:23:37,521 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:23:37,521 INFO L132 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Lasso [2024-11-09 15:23:37,521 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:23:37,521 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:23:37,522 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:23:39,094 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:23:39,097 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:23:39,100 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:24:00,254 WARN L286 SmtUtils]: Spent 21.01s on a formula simplification. DAG size of input: 84 DAG size of output: 59 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2024-11-09 15:24:02,822 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:24:02,823 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:24:02,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:24:02,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:24:02,824 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:24:02,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-09 15:24:02,828 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:24:02,828 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:24:02,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-09 15:24:02,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:24:02,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:24:02,859 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:24:02,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-09 15:24:02,862 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:24:02,862 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:24:02,886 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:24:02,901 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-09 15:24:02,902 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:24:02,902 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:24:02,902 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:24:02,902 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:24:02,902 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:24:02,902 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:24:02,902 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:24:02,902 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:24:02,902 INFO L132 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Lasso [2024-11-09 15:24:02,902 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:24:02,902 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:24:02,906 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:24:02,909 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:24:02,911 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:24:02,914 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true