./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/insertion_sort-2-2.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/loops/insertion_sort-2-2.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 f08b02f494e898be2e8c5098de245f701022f3f8b39ac6682b3bca3a03512826 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 15:49:04,597 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 15:49:04,663 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-09 15:49:04,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 15:49:04,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 15:49:04,716 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 15:49:04,716 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 15:49:04,717 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 15:49:04,717 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 15:49:04,718 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 15:49:04,720 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 15:49:04,720 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 15:49:04,721 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 15:49:04,721 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-09 15:49:04,721 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-09 15:49:04,722 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-09 15:49:04,724 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-09 15:49:04,724 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-09 15:49:04,724 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-09 15:49:04,725 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 15:49:04,725 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-09 15:49:04,729 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 15:49:04,729 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 15:49:04,729 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 15:49:04,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 15:49:04,730 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-09 15:49:04,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-09 15:49:04,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-09 15:49:04,730 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 15:49:04,731 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 15:49:04,731 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 15:49:04,731 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 15:49:04,731 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-09 15:49:04,731 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 15:49:04,732 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 15:49:04,732 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 15:49:04,732 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 15:49:04,733 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 15:49:04,733 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-09 15:49:04,733 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f08b02f494e898be2e8c5098de245f701022f3f8b39ac6682b3bca3a03512826 [2024-11-09 15:49:04,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 15:49:04,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 15:49:04,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 15:49:04,993 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 15:49:04,993 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 15:49:04,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/insertion_sort-2-2.c [2024-11-09 15:49:07,096 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 15:49:07,288 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 15:49:07,288 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/insertion_sort-2-2.c [2024-11-09 15:49:07,294 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c065ca71/6df938d3dac847d9a8cf96f3f53fba99/FLAGb01bd57b0 [2024-11-09 15:49:07,306 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c065ca71/6df938d3dac847d9a8cf96f3f53fba99 [2024-11-09 15:49:07,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 15:49:07,310 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 15:49:07,311 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 15:49:07,311 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 15:49:07,315 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 15:49:07,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:49:07" (1/1) ... [2024-11-09 15:49:07,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dd72918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:07, skipping insertion in model container [2024-11-09 15:49:07,317 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:49:07" (1/1) ... [2024-11-09 15:49:07,335 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 15:49:07,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:49:07,545 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 15:49:07,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:49:07,578 INFO L204 MainTranslator]: Completed translation [2024-11-09 15:49:07,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:07 WrapperNode [2024-11-09 15:49:07,579 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 15:49:07,580 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 15:49:07,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 15:49:07,580 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 15:49:07,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:07" (1/1) ... [2024-11-09 15:49:07,598 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:07" (1/1) ... [2024-11-09 15:49:07,621 INFO L138 Inliner]: procedures = 15, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 83 [2024-11-09 15:49:07,622 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 15:49:07,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 15:49:07,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 15:49:07,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 15:49:07,632 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:07" (1/1) ... [2024-11-09 15:49:07,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:07" (1/1) ... [2024-11-09 15:49:07,635 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:07" (1/1) ... [2024-11-09 15:49:07,648 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 2 initializations are split as follows [2, 0]. The 3 writes are split as follows [0, 3]. [2024-11-09 15:49:07,649 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:07" (1/1) ... [2024-11-09 15:49:07,649 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:07" (1/1) ... [2024-11-09 15:49:07,654 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:07" (1/1) ... [2024-11-09 15:49:07,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:07" (1/1) ... [2024-11-09 15:49:07,661 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:07" (1/1) ... [2024-11-09 15:49:07,662 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:07" (1/1) ... [2024-11-09 15:49:07,664 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 15:49:07,665 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 15:49:07,665 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 15:49:07,665 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 15:49:07,666 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:07" (1/1) ... [2024-11-09 15:49:07,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:07,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:07,698 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 15:49:07,705 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 15:49:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 15:49:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 15:49:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 15:49:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 15:49:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 15:49:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 15:49:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 15:49:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 15:49:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 15:49:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 15:49:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 15:49:07,827 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 15:49:07,829 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 15:49:08,001 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-09 15:49:08,002 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 15:49:08,017 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 15:49:08,018 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 15:49:08,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:49:08 BoogieIcfgContainer [2024-11-09 15:49:08,018 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 15:49:08,020 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-09 15:49:08,020 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-09 15:49:08,024 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-09 15:49:08,025 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:49:08,027 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 03:49:07" (1/3) ... [2024-11-09 15:49:08,028 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@345cea1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 03:49:08, skipping insertion in model container [2024-11-09 15:49:08,028 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:49:08,028 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:49:07" (2/3) ... [2024-11-09 15:49:08,028 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@345cea1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 03:49:08, skipping insertion in model container [2024-11-09 15:49:08,028 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:49:08,028 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:49:08" (3/3) ... [2024-11-09 15:49:08,031 INFO L332 chiAutomizerObserver]: Analyzing ICFG insertion_sort-2-2.c [2024-11-09 15:49:08,077 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-09 15:49:08,078 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-09 15:49:08,078 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-09 15:49:08,078 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-09 15:49:08,078 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-09 15:49:08,078 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-09 15:49:08,078 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-09 15:49:08,079 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-09 15:49:08,083 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 22 states have (on average 1.5) internal successors, (33), 22 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:49:08,100 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2024-11-09 15:49:08,100 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:49:08,100 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:49:08,105 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-09 15:49:08,106 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-09 15:49:08,106 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-09 15:49:08,106 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 22 states have (on average 1.5) internal successors, (33), 22 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:49:08,108 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2024-11-09 15:49:08,108 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:49:08,109 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:49:08,109 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-09 15:49:08,109 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-09 15:49:08,117 INFO L745 eck$LassoCheckResult]: Stem: 20#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 5#L15true assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 18#L20-3true [2024-11-09 15:49:08,117 INFO L747 eck$LassoCheckResult]: Loop: 18#L20-3true assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4); 19#L20-2true main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 18#L20-3true [2024-11-09 15:49:08,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:08,124 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-11-09 15:49:08,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:08,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112957235] [2024-11-09 15:49:08,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:08,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:08,259 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:49:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:08,318 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:49:08,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:08,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2024-11-09 15:49:08,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:08,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778901174] [2024-11-09 15:49:08,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:08,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:08,348 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:49:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:08,359 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:49:08,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:08,361 INFO L85 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2024-11-09 15:49:08,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:08,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024869689] [2024-11-09 15:49:08,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:08,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:08,393 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:49:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:08,418 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:49:08,826 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:49:08,827 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:49:08,827 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:49:08,827 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:49:08,827 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:49:08,827 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:08,827 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:49:08,827 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:49:08,828 INFO L132 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2-2.c_Iteration1_Lasso [2024-11-09 15:49:08,828 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:49:08,828 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:49:08,845 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:08,854 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:08,875 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:08,878 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:08,880 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:08,883 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:08,887 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:09,138 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:09,141 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:09,144 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:09,147 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:09,150 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:09,155 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:09,158 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:09,161 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:09,164 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:09,167 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:09,574 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:49:09,578 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:49:09,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:09,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:09,582 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:09,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-09 15:49:09,585 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 15:49:09,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:09,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:09,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:09,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:09,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:09,602 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:09,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:09,604 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:09,615 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-09 15:49:09,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:09,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:09,618 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:09,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-09 15:49:09,621 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 15:49:09,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:09,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:09,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:09,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:09,638 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:49:09,638 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:49:09,642 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:09,657 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-09 15:49:09,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:09,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:09,660 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 15:49:09,662 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 15:49:09,663 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 15:49:09,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:09,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:09,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:09,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:09,680 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:49:09,680 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:49:09,683 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:09,699 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 15:49:09,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:09,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:09,702 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 15:49:09,704 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 15:49:09,706 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 15:49:09,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:09,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:09,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:09,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:09,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:09,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:09,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:09,723 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:09,738 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 15:49:09,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:09,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:09,740 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 15:49:09,741 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 15:49:09,742 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 15:49:09,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:09,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:09,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:09,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:09,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:09,756 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:09,756 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:09,758 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:09,772 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 15:49:09,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:09,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:09,775 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 15:49:09,776 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 15:49:09,777 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 15:49:09,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:09,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:09,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:09,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:09,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:09,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:09,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:09,793 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:09,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:09,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:09,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:09,811 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 15:49:09,814 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 15:49:09,815 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 15:49:09,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:09,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:09,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:09,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:09,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:09,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:09,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:09,830 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:09,840 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 15:49:09,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:09,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:09,842 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 15:49:09,843 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 15:49:09,844 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 15:49:09,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:09,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:09,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:09,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:09,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:49:09,858 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:49:09,861 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:09,876 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-09 15:49:09,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:09,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:09,879 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 15:49:09,881 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 15:49:09,882 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 15:49:09,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:09,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:09,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:09,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:09,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:49:09,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:49:09,905 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:09,920 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 15:49:09,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:09,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:09,922 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 15:49:09,923 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 15:49:09,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:49:09,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:09,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:09,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:09,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:09,949 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:49:09,950 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:49:09,962 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:49:10,016 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2024-11-09 15:49:10,016 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2024-11-09 15:49:10,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:10,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:10,042 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 15:49:10,045 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 15:49:10,046 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:49:10,063 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-09 15:49:10,063 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:49:10,064 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_1, ULTIMATE.start_main_~j~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_1 - 4*ULTIMATE.start_main_~j~0#1 Supporting invariants [1*ULTIMATE.start_main_~#v~0#1.offset >= 0] [2024-11-09 15:49:10,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:10,104 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2024-11-09 15:49:10,132 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 15:49:10,133 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 15:49:10,155 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 15:49:10,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:49:10,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 15:49:10,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:49:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:49:10,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 15:49:10,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:49:10,300 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 15:49:10,333 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-09 15:49:10,335 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 23 states, 22 states have (on average 1.5) internal successors, (33), 22 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:49:10,407 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 23 states, 22 states have (on average 1.5) internal successors, (33), 22 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 65 transitions. Complement of second has 6 states. [2024-11-09 15:49:10,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-09 15:49:10,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:49:10,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 34 transitions. [2024-11-09 15:49:10,419 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 34 transitions. Stem has 3 letters. Loop has 2 letters. [2024-11-09 15:49:10,420 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:49:10,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 34 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-09 15:49:10,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:49:10,422 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 34 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-09 15:49:10,422 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:49:10,422 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 65 transitions. [2024-11-09 15:49:10,425 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-09 15:49:10,429 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 20 states and 28 transitions. [2024-11-09 15:49:10,430 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-11-09 15:49:10,430 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2024-11-09 15:49:10,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 28 transitions. [2024-11-09 15:49:10,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:49:10,431 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 28 transitions. [2024-11-09 15:49:10,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 28 transitions. [2024-11-09 15:49:10,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-11-09 15:49:10,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.4) internal successors, (28), 19 states have internal predecessors, (28), 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 15:49:10,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 28 transitions. [2024-11-09 15:49:10,462 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 28 transitions. [2024-11-09 15:49:10,462 INFO L425 stractBuchiCegarLoop]: Abstraction has 20 states and 28 transitions. [2024-11-09 15:49:10,462 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-09 15:49:10,462 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 28 transitions. [2024-11-09 15:49:10,463 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-09 15:49:10,464 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:49:10,464 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:49:10,465 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-09 15:49:10,465 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-09 15:49:10,465 INFO L745 eck$LassoCheckResult]: Stem: 156#$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(21, 2);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~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 143#L15 assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 144#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 150#L20-4 main_~j~0#1 := 1; 149#L22-3 [2024-11-09 15:49:10,465 INFO L747 eck$LassoCheckResult]: Loop: 149#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1; 141#L25-5 assume !true; 140#L25-6 call write~int#1(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 148#L22-2 main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 149#L22-3 [2024-11-09 15:49:10,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:10,466 INFO L85 PathProgramCache]: Analyzing trace with hash 28695884, now seen corresponding path program 1 times [2024-11-09 15:49:10,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:10,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753204830] [2024-11-09 15:49:10,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:10,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:10,482 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:49:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:10,503 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:49:10,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:10,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1834197, now seen corresponding path program 1 times [2024-11-09 15:49:10,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:10,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981552692] [2024-11-09 15:49:10,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:10,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:49:10,553 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 15:49:10,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:49:10,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981552692] [2024-11-09 15:49:10,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981552692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:49:10,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:49:10,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 15:49:10,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646862590] [2024-11-09 15:49:10,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:49:10,561 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-09 15:49:10,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:49:10,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 15:49:10,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 15:49:10,565 INFO L87 Difference]: Start difference. First operand 20 states and 28 transitions. cyclomatic complexity: 11 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 15:49:10,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:49:10,569 INFO L93 Difference]: Finished difference Result 19 states and 24 transitions. [2024-11-09 15:49:10,569 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 24 transitions. [2024-11-09 15:49:10,570 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-11-09 15:49:10,570 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 18 states and 23 transitions. [2024-11-09 15:49:10,570 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2024-11-09 15:49:10,570 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-11-09 15:49:10,570 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2024-11-09 15:49:10,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:49:10,570 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2024-11-09 15:49:10,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2024-11-09 15:49:10,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-09 15:49:10,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 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 15:49:10,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2024-11-09 15:49:10,572 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2024-11-09 15:49:10,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 15:49:10,573 INFO L425 stractBuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2024-11-09 15:49:10,573 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-09 15:49:10,573 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2024-11-09 15:49:10,574 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-11-09 15:49:10,574 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:49:10,574 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:49:10,574 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-09 15:49:10,574 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-09 15:49:10,574 INFO L745 eck$LassoCheckResult]: Stem: 198#$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(21, 2);call #Ultimate.allocInit(12, 3); 191#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 186#L15 assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 187#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 194#L20-4 main_~j~0#1 := 1; 193#L22-3 [2024-11-09 15:49:10,574 INFO L747 eck$LassoCheckResult]: Loop: 193#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1; 185#L25-5 main_#t~short9#1 := main_~i~0#1 >= 0; 188#L25-1 assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1; 183#L25-3 assume !main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1; 184#L25-6 call write~int#1(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 192#L22-2 main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 193#L22-3 [2024-11-09 15:49:10,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:10,575 INFO L85 PathProgramCache]: Analyzing trace with hash 28695884, now seen corresponding path program 2 times [2024-11-09 15:49:10,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:10,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961933042] [2024-11-09 15:49:10,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:10,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:10,587 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:49:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:10,597 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:49:10,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:10,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1750293934, now seen corresponding path program 1 times [2024-11-09 15:49:10,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:10,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453951333] [2024-11-09 15:49:10,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:10,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:10,614 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:49:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:10,634 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:49:10,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:10,635 INFO L85 PathProgramCache]: Analyzing trace with hash -823994695, now seen corresponding path program 1 times [2024-11-09 15:49:10,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:10,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825348340] [2024-11-09 15:49:10,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:10,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:49:10,834 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 15:49:10,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:49:10,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825348340] [2024-11-09 15:49:10,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825348340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:49:10,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:49:10,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 15:49:10,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555714998] [2024-11-09 15:49:10,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:49:10,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:49:10,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 15:49:10,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 15:49:10,966 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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 15:49:11,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:49:11,003 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2024-11-09 15:49:11,003 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 27 transitions. [2024-11-09 15:49:11,004 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-11-09 15:49:11,004 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 19 states and 23 transitions. [2024-11-09 15:49:11,004 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2024-11-09 15:49:11,004 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-11-09 15:49:11,004 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 23 transitions. [2024-11-09 15:49:11,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:49:11,005 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 23 transitions. [2024-11-09 15:49:11,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 23 transitions. [2024-11-09 15:49:11,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2024-11-09 15:49:11,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 17 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 15:49:11,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2024-11-09 15:49:11,006 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 22 transitions. [2024-11-09 15:49:11,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 15:49:11,007 INFO L425 stractBuchiCegarLoop]: Abstraction has 18 states and 22 transitions. [2024-11-09 15:49:11,007 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-09 15:49:11,007 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 22 transitions. [2024-11-09 15:49:11,008 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-11-09 15:49:11,008 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:49:11,008 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:49:11,008 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:49:11,008 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-09 15:49:11,008 INFO L745 eck$LassoCheckResult]: Stem: 249#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 244#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 238#L15 assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 239#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4); 247#L20-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 248#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 245#L20-4 main_~j~0#1 := 1; 243#L22-3 [2024-11-09 15:49:11,009 INFO L747 eck$LassoCheckResult]: Loop: 243#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1; 236#L25-5 main_#t~short9#1 := main_~i~0#1 >= 0; 237#L25-1 assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1; 234#L25-3 assume !main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1; 235#L25-6 call write~int#1(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 242#L22-2 main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 243#L22-3 [2024-11-09 15:49:11,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:11,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1806996910, now seen corresponding path program 1 times [2024-11-09 15:49:11,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:11,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208962511] [2024-11-09 15:49:11,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:11,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:11,019 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:49:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:11,027 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:49:11,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:11,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1750293934, now seen corresponding path program 2 times [2024-11-09 15:49:11,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:11,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740332115] [2024-11-09 15:49:11,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:11,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:11,035 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:49:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:11,041 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:49:11,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:11,042 INFO L85 PathProgramCache]: Analyzing trace with hash -48611941, now seen corresponding path program 1 times [2024-11-09 15:49:11,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:11,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556493482] [2024-11-09 15:49:11,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:11,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:49:11,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:49:11,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:49:11,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556493482] [2024-11-09 15:49:11,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556493482] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 15:49:11,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860030546] [2024-11-09 15:49:11,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:11,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:49:11,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:11,231 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 15:49:11,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 15:49:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:49:11,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 15:49:11,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:49:11,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:49:11,314 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 15:49:11,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:49:11,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860030546] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 15:49:11,385 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 15:49:11,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-11-09 15:49:11,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136342490] [2024-11-09 15:49:11,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 15:49:11,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:49:11,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:49:11,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:49:11,515 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. cyclomatic complexity: 7 Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 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) [2024-11-09 15:49:11,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:49:11,597 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2024-11-09 15:49:11,597 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 42 transitions. [2024-11-09 15:49:11,598 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 17 [2024-11-09 15:49:11,599 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 34 states and 42 transitions. [2024-11-09 15:49:11,599 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2024-11-09 15:49:11,599 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2024-11-09 15:49:11,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 42 transitions. [2024-11-09 15:49:11,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:49:11,599 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 42 transitions. [2024-11-09 15:49:11,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 42 transitions. [2024-11-09 15:49:11,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 22. [2024-11-09 15:49:11,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 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 15:49:11,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2024-11-09 15:49:11,605 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 27 transitions. [2024-11-09 15:49:11,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 15:49:11,606 INFO L425 stractBuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2024-11-09 15:49:11,606 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-09 15:49:11,606 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2024-11-09 15:49:11,606 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-11-09 15:49:11,606 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:49:11,606 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:49:11,607 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:49:11,607 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-09 15:49:11,607 INFO L745 eck$LassoCheckResult]: Stem: 391#$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(21, 2);call #Ultimate.allocInit(12, 3); 381#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 376#L15 assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 377#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4); 387#L20-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 388#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 384#L20-4 main_~j~0#1 := 1; 385#L22-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 379#L22-4 main_~k~0#1 := 1; 380#L31-3 [2024-11-09 15:49:11,609 INFO L747 eck$LassoCheckResult]: Loop: 380#L31-3 assume !!(main_~k~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem12#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (main_~k~0#1 - 1), 4);call main_#t~mem13#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~k~0#1, 4);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem12#1 <= main_#t~mem13#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 386#L6 assume !(0 == __VERIFIER_assert_~cond#1); 371#L6-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true; 372#L31-2 main_#t~post14#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 380#L31-3 [2024-11-09 15:49:11,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:11,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1357243818, now seen corresponding path program 1 times [2024-11-09 15:49:11,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:11,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412618435] [2024-11-09 15:49:11,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:11,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:11,624 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:49:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:11,635 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:49:11,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:11,636 INFO L85 PathProgramCache]: Analyzing trace with hash 2871948, now seen corresponding path program 1 times [2024-11-09 15:49:11,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:11,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715511059] [2024-11-09 15:49:11,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:11,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:11,648 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:49:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:11,661 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:49:11,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:11,662 INFO L85 PathProgramCache]: Analyzing trace with hash -85673035, now seen corresponding path program 1 times [2024-11-09 15:49:11,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:11,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537612029] [2024-11-09 15:49:11,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:11,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:49:11,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:49:11,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:49:11,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537612029] [2024-11-09 15:49:11,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537612029] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 15:49:11,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953314319] [2024-11-09 15:49:11,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:11,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:49:11,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:11,828 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 15:49:11,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 15:49:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:49:11,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 15:49:11,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:49:11,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 15:49:11,919 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 15:49:11,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953314319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:49:11,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 15:49:11,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-11-09 15:49:11,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328291588] [2024-11-09 15:49:11,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:49:12,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:49:12,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 15:49:12,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-09 15:49:12,006 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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) [2024-11-09 15:49:12,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:49:12,036 INFO L93 Difference]: Finished difference Result 30 states and 37 transitions. [2024-11-09 15:49:12,036 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 37 transitions. [2024-11-09 15:49:12,037 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2024-11-09 15:49:12,037 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 26 states and 32 transitions. [2024-11-09 15:49:12,037 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2024-11-09 15:49:12,038 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2024-11-09 15:49:12,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 32 transitions. [2024-11-09 15:49:12,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:49:12,038 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 32 transitions. [2024-11-09 15:49:12,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 32 transitions. [2024-11-09 15:49:12,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 21. [2024-11-09 15:49:12,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 20 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:49:12,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2024-11-09 15:49:12,040 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 25 transitions. [2024-11-09 15:49:12,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 15:49:12,041 INFO L425 stractBuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2024-11-09 15:49:12,041 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-09 15:49:12,041 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 25 transitions. [2024-11-09 15:49:12,041 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-11-09 15:49:12,041 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:49:12,041 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:49:12,042 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 15:49:12,042 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-09 15:49:12,042 INFO L745 eck$LassoCheckResult]: Stem: 492#$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(21, 2);call #Ultimate.allocInit(12, 3); 484#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 478#L15 assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 479#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4); 490#L20-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 491#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4); 488#L20-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 489#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 485#L20-4 main_~j~0#1 := 1; 486#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1; 476#L25-5 [2024-11-09 15:49:12,042 INFO L747 eck$LassoCheckResult]: Loop: 476#L25-5 main_#t~short9#1 := main_~i~0#1 >= 0; 477#L25-1 assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1; 474#L25-3 assume !!main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;call main_#t~mem10#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);call write~int#1(main_#t~mem10#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);havoc main_#t~mem10#1;main_~i~0#1 := main_~i~0#1 - 1; 476#L25-5 [2024-11-09 15:49:12,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:12,042 INFO L85 PathProgramCache]: Analyzing trace with hash -873401203, now seen corresponding path program 1 times [2024-11-09 15:49:12,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:12,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051138588] [2024-11-09 15:49:12,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:12,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:12,055 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:49:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:12,071 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:49:12,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:12,076 INFO L85 PathProgramCache]: Analyzing trace with hash 63657, now seen corresponding path program 1 times [2024-11-09 15:49:12,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:12,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384721055] [2024-11-09 15:49:12,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:12,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:12,082 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:49:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:12,088 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:49:12,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:12,088 INFO L85 PathProgramCache]: Analyzing trace with hash -583325539, now seen corresponding path program 1 times [2024-11-09 15:49:12,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:12,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971325022] [2024-11-09 15:49:12,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:12,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:12,104 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:49:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:12,120 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:49:12,559 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:49:12,559 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:49:12,559 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:49:12,559 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:49:12,559 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:49:12,559 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:12,559 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:49:12,559 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:49:12,559 INFO L132 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2-2.c_Iteration6_Lasso [2024-11-09 15:49:12,559 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:49:12,559 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:49:12,562 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:12,565 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:12,567 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:12,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:12,581 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:12,583 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:12,585 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:12,587 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:12,589 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:12,884 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:12,887 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:12,889 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:12,891 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:12,895 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:12,897 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:12,899 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:13,201 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:49:13,201 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:49:13,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:13,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:13,204 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 15:49:13,205 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 15:49:13,207 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 15:49:13,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:13,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:13,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:13,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:13,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:13,220 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:13,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:13,222 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:13,236 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 15:49:13,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:13,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:13,238 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 15:49:13,241 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 15:49:13,241 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 15:49:13,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:13,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:13,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:13,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:13,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:13,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:13,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:13,256 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:13,271 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 15:49:13,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:13,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:13,274 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:13,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-09 15:49:13,275 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 15:49:13,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:13,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:13,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:13,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:13,289 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:49:13,289 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:49:13,293 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:13,308 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-09 15:49:13,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:13,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:13,311 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:13,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-09 15:49:13,314 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 15:49:13,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:13,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:13,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:13,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:13,327 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:49:13,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:49:13,331 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:13,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-09 15:49:13,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:13,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:13,348 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:13,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-09 15:49:13,350 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 15:49:13,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:13,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:13,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:13,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:13,364 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:49:13,364 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:49:13,367 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:13,381 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-09 15:49:13,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:13,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:13,384 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:13,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-09 15:49:13,387 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 15:49:13,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:13,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:13,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:13,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:13,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:13,400 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:13,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:13,401 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:13,415 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-09 15:49:13,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:13,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:13,418 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:13,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-09 15:49:13,420 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 15:49:13,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:13,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:13,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:13,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:13,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:13,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:13,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:13,432 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:13,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:13,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:13,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:13,445 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:13,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-09 15:49:13,447 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 [2024-11-09 15:49:13,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:13,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:13,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:13,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:13,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:13,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:13,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:13,459 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:13,469 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:13,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:13,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:13,473 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:13,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-09 15:49:13,474 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 15:49:13,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:13,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:13,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:13,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:13,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:13,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:13,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:13,486 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:13,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:13,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:13,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:13,498 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:13,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-09 15:49:13,499 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 15:49:13,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:13,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:13,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:13,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:13,514 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:49:13,514 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:49:13,522 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:49:13,548 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-11-09 15:49:13,549 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-11-09 15:49:13,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:13,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:13,551 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:13,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-09 15:49:13,553 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:49:13,568 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-09 15:49:13,568 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:49:13,568 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 2*ULTIMATE.start_main_~i~0#1 + 1 Supporting invariants [] [2024-11-09 15:49:13,583 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-09 15:49:13,595 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2024-11-09 15:49:13,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:49:13,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:49:13,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:49:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:49:13,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 15:49:13,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:49:13,698 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 15:49:13,699 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-09 15:49:13,699 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 25 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:49:13,739 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 25 transitions. cyclomatic complexity: 7. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 41 transitions. Complement of second has 9 states. [2024-11-09 15:49:13,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-09 15:49:13,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:49:13,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2024-11-09 15:49:13,743 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 10 letters. Loop has 3 letters. [2024-11-09 15:49:13,743 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:49:13,743 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 13 letters. Loop has 3 letters. [2024-11-09 15:49:13,743 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:49:13,743 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 10 letters. Loop has 6 letters. [2024-11-09 15:49:13,743 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:49:13,743 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 41 transitions. [2024-11-09 15:49:13,744 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-11-09 15:49:13,744 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 31 states and 39 transitions. [2024-11-09 15:49:13,744 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2024-11-09 15:49:13,744 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2024-11-09 15:49:13,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 39 transitions. [2024-11-09 15:49:13,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:49:13,744 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 39 transitions. [2024-11-09 15:49:13,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 39 transitions. [2024-11-09 15:49:13,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 27. [2024-11-09 15:49:13,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 26 states have internal predecessors, (35), 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 15:49:13,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2024-11-09 15:49:13,747 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 35 transitions. [2024-11-09 15:49:13,747 INFO L425 stractBuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2024-11-09 15:49:13,747 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-09 15:49:13,747 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 35 transitions. [2024-11-09 15:49:13,747 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-11-09 15:49:13,748 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:49:13,748 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:49:13,748 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:49:13,748 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-09 15:49:13,748 INFO L745 eck$LassoCheckResult]: Stem: 635#$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(21, 2);call #Ultimate.allocInit(12, 3); 626#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 620#L15 assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 621#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4); 632#L20-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 633#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4); 634#L20-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 638#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 629#L20-4 main_~j~0#1 := 1; 630#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1; 636#L25-5 main_#t~short9#1 := main_~i~0#1 >= 0; 618#L25-1 assume !main_#t~short9#1; 614#L25-3 assume !main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1; 615#L25-6 [2024-11-09 15:49:13,749 INFO L747 eck$LassoCheckResult]: Loop: 615#L25-6 call write~int#1(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 624#L22-2 main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 625#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1; 627#L25-5 main_#t~short9#1 := main_~i~0#1 >= 0; 628#L25-1 assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1; 637#L25-3 assume !main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1; 615#L25-6 [2024-11-09 15:49:13,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:13,749 INFO L85 PathProgramCache]: Analyzing trace with hash -583325479, now seen corresponding path program 1 times [2024-11-09 15:49:13,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:13,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445769566] [2024-11-09 15:49:13,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:13,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:49:13,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 15:49:13,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:49:13,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445769566] [2024-11-09 15:49:13,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445769566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:49:13,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:49:13,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 15:49:13,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614388082] [2024-11-09 15:49:13,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:49:13,796 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-09 15:49:13,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:13,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1956637842, now seen corresponding path program 3 times [2024-11-09 15:49:13,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:13,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204810466] [2024-11-09 15:49:13,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:13,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:13,802 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:49:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:13,806 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:49:13,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:49:13,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 15:49:13,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 15:49:13,966 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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 15:49:14,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:49:14,005 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2024-11-09 15:49:14,005 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 42 transitions. [2024-11-09 15:49:14,006 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-11-09 15:49:14,007 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 34 states and 42 transitions. [2024-11-09 15:49:14,007 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2024-11-09 15:49:14,007 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2024-11-09 15:49:14,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 42 transitions. [2024-11-09 15:49:14,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:49:14,007 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 42 transitions. [2024-11-09 15:49:14,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 42 transitions. [2024-11-09 15:49:14,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 29. [2024-11-09 15:49:14,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 28 states have internal predecessors, (37), 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 15:49:14,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 37 transitions. [2024-11-09 15:49:14,010 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 37 transitions. [2024-11-09 15:49:14,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 15:49:14,011 INFO L425 stractBuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2024-11-09 15:49:14,011 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-09 15:49:14,011 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 37 transitions. [2024-11-09 15:49:14,012 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-11-09 15:49:14,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:49:14,012 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:49:14,012 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:49:14,012 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-09 15:49:14,012 INFO L745 eck$LassoCheckResult]: Stem: 710#$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(21, 2);call #Ultimate.allocInit(12, 3); 697#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 691#L15 assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 692#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4); 707#L20-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 708#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4); 709#L20-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 712#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 700#L20-4 main_~j~0#1 := 1; 701#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1; 711#L25-5 main_#t~short9#1 := main_~i~0#1 >= 0; 693#L25-1 assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1; 687#L25-3 assume !main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1; 688#L25-6 [2024-11-09 15:49:14,012 INFO L747 eck$LassoCheckResult]: Loop: 688#L25-6 call write~int#1(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 698#L22-2 main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 699#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1; 702#L25-5 main_#t~short9#1 := main_~i~0#1 >= 0; 703#L25-1 assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1; 713#L25-3 assume !main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1; 688#L25-6 [2024-11-09 15:49:14,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:14,013 INFO L85 PathProgramCache]: Analyzing trace with hash -583325541, now seen corresponding path program 1 times [2024-11-09 15:49:14,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:14,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690226355] [2024-11-09 15:49:14,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:14,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:14,026 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:49:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:14,047 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:49:14,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:14,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1956637842, now seen corresponding path program 4 times [2024-11-09 15:49:14,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:14,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292364069] [2024-11-09 15:49:14,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:14,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:14,054 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:49:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:14,058 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:49:14,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:14,059 INFO L85 PathProgramCache]: Analyzing trace with hash 471654536, now seen corresponding path program 2 times [2024-11-09 15:49:14,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:14,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346272702] [2024-11-09 15:49:14,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:14,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:49:14,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-09 15:49:14,343 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:49:14,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:49:14,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346272702] [2024-11-09 15:49:14,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346272702] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 15:49:14,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625225764] [2024-11-09 15:49:14,344 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 15:49:14,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:49:14,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:14,347 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 15:49:14,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-09 15:49:14,410 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 15:49:14,410 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 15:49:14,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 15:49:14,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:49:14,520 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:49:14,520 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 15:49:14,691 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:49:14,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625225764] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 15:49:14,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 15:49:14,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 15 [2024-11-09 15:49:14,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395549783] [2024-11-09 15:49:14,692 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 15:49:14,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:49:14,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 15:49:14,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2024-11-09 15:49:14,865 INFO L87 Difference]: Start difference. First operand 29 states and 37 transitions. cyclomatic complexity: 12 Second operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 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 15:49:14,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:49:14,995 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2024-11-09 15:49:14,995 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 74 transitions. [2024-11-09 15:49:14,996 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 17 [2024-11-09 15:49:14,996 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 58 states and 74 transitions. [2024-11-09 15:49:14,996 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 43 [2024-11-09 15:49:14,996 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 43 [2024-11-09 15:49:14,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 74 transitions. [2024-11-09 15:49:14,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:49:14,997 INFO L218 hiAutomatonCegarLoop]: Abstraction has 58 states and 74 transitions. [2024-11-09 15:49:14,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 74 transitions. [2024-11-09 15:49:15,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 44. [2024-11-09 15:49:15,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 43 states have internal predecessors, (57), 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 15:49:15,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 57 transitions. [2024-11-09 15:49:15,003 INFO L240 hiAutomatonCegarLoop]: Abstraction has 44 states and 57 transitions. [2024-11-09 15:49:15,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 15:49:15,006 INFO L425 stractBuchiCegarLoop]: Abstraction has 44 states and 57 transitions. [2024-11-09 15:49:15,006 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-09 15:49:15,008 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 57 transitions. [2024-11-09 15:49:15,008 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-11-09 15:49:15,008 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:49:15,009 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:49:15,009 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:49:15,009 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-09 15:49:15,009 INFO L745 eck$LassoCheckResult]: Stem: 928#$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(21, 2);call #Ultimate.allocInit(12, 3); 917#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 908#L15 assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 909#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4); 924#L20-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 925#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4); 926#L20-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 927#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4); 930#L20-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 945#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 944#L20-4 main_~j~0#1 := 1; 943#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1; 941#L25-5 main_#t~short9#1 := main_~i~0#1 >= 0; 936#L25-1 assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1; 904#L25-3 assume !main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1; 905#L25-6 [2024-11-09 15:49:15,009 INFO L747 eck$LassoCheckResult]: Loop: 905#L25-6 call write~int#1(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 915#L22-2 main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 916#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1; 920#L25-5 main_#t~short9#1 := main_~i~0#1 >= 0; 910#L25-1 assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1; 911#L25-3 assume !main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1; 905#L25-6 [2024-11-09 15:49:15,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:15,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1530158845, now seen corresponding path program 2 times [2024-11-09 15:49:15,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:15,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601055863] [2024-11-09 15:49:15,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:15,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:15,037 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:49:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:15,061 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:49:15,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:15,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1956637842, now seen corresponding path program 5 times [2024-11-09 15:49:15,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:15,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847730624] [2024-11-09 15:49:15,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:15,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:15,074 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:49:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:15,080 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:49:15,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:15,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1274561898, now seen corresponding path program 3 times [2024-11-09 15:49:15,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:15,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558306109] [2024-11-09 15:49:15,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:15,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:15,096 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:49:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:15,108 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:49:15,760 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:49:15,760 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:49:15,760 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:49:15,760 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:49:15,760 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:49:15,760 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:15,760 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:49:15,760 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:49:15,760 INFO L132 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2-2.c_Iteration9_Lasso [2024-11-09 15:49:15,760 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:49:15,760 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:49:15,762 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:15,771 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:15,773 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:15,775 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:15,776 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:15,778 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:15,780 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:15,782 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:15,783 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:15,785 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:16,197 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:16,199 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:16,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:16,203 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:16,205 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:16,658 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:49:16,659 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:49:16,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:16,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:16,664 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:16,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-09 15:49:16,667 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 15:49:16,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:16,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:16,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:16,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:16,682 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:49:16,682 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:49:16,686 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:16,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:16,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:16,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:16,702 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:16,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-09 15:49:16,704 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 15:49:16,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:16,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:16,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:16,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:16,721 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:49:16,721 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:49:16,724 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:16,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:16,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:16,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:16,740 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:16,742 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 15:49:16,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-09 15:49:16,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:16,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:16,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:16,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:16,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:16,754 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:16,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:16,755 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:16,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:16,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:16,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:16,767 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:16,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-09 15:49:16,768 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 15:49:16,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:16,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:16,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:16,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:16,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:16,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:16,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:16,780 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:16,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:16,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:16,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:16,793 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:16,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-09 15:49:16,795 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 15:49:16,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:16,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:16,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:16,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:16,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:16,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:16,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:16,810 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:16,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:16,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:16,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:16,826 INFO L229 MonitoredProcess]: Starting monitored process 32 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 15:49:16,828 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 15:49:16,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-09 15:49:16,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:16,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:16,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:16,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:16,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:16,840 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:16,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:16,841 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:16,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:16,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:16,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:16,854 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:16,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-09 15:49:16,856 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 15:49:16,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:16,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:16,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:16,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:16,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:16,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:16,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:16,868 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:16,878 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:16,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:16,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:16,879 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:16,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-09 15:49:16,881 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 15:49:16,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:16,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:16,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:16,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:16,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:16,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:16,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:16,892 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:16,902 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:16,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:16,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:16,903 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:16,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-09 15:49:16,905 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 15:49:16,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:16,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:16,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:16,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:16,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:16,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:16,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:16,917 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:16,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:16,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:16,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:16,931 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:16,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-09 15:49:16,933 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 15:49:16,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:16,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:16,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:16,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:16,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:16,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:16,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:16,944 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:16,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:16,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:16,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:16,956 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:16,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-09 15:49:16,958 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 15:49:16,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:16,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:16,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:16,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:16,971 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:49:16,971 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:49:16,974 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:16,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:16,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:16,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:16,985 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:16,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-09 15:49:16,987 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 15:49:16,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:16,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:16,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:16,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:16,998 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:49:16,998 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:49:17,004 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:17,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:17,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:17,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:17,021 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:17,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-09 15:49:17,024 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 15:49:17,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:17,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:17,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:17,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:17,039 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:49:17,039 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:49:17,046 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:17,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-11-09 15:49:17,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:17,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:17,059 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:17,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-09 15:49:17,061 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 15:49:17,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:17,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:17,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:17,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:17,073 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:49:17,073 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:49:17,077 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:17,088 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:17,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:17,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:17,090 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:17,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-09 15:49:17,091 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 15:49:17,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:17,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:17,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:17,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:17,102 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:49:17,103 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:49:17,106 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:17,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-11-09 15:49:17,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:17,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:17,122 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:17,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-09 15:49:17,125 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 15:49:17,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:17,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:17,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:17,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:17,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:49:17,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:49:17,139 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:17,150 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:17,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:17,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:17,151 INFO L229 MonitoredProcess]: Starting monitored process 43 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 15:49:17,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-09 15:49:17,153 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 15:49:17,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:17,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:17,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:17,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:17,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:17,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:17,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:17,164 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:17,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:17,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:17,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:17,175 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:17,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-09 15:49:17,177 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 15:49:17,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:17,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:17,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:17,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:17,194 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:49:17,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:49:17,206 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:49:17,222 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-11-09 15:49:17,222 INFO L444 ModelExtractionUtils]: 4 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. [2024-11-09 15:49:17,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:17,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:17,223 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:17,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-09 15:49:17,225 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:49:17,235 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-09 15:49:17,236 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:49:17,236 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_3) = -2*ULTIMATE.start_main_~j~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_3 Supporting invariants [1*ULTIMATE.start_main_~#v~0#1.offset >= 0] [2024-11-09 15:49:17,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:17,276 INFO L156 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2024-11-09 15:49:17,278 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 15:49:17,278 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 15:49:17,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:49:17,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 15:49:17,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:49:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:49:17,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 15:49:17,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:49:17,536 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 15:49:17,537 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2024-11-09 15:49:17,537 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 44 states and 57 transitions. cyclomatic complexity: 18 Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:49:17,592 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 44 states and 57 transitions. cyclomatic complexity: 18. Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 56 states and 73 transitions. Complement of second has 8 states. [2024-11-09 15:49:17,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-09 15:49:17,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:49:17,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2024-11-09 15:49:17,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 15 letters. Loop has 6 letters. [2024-11-09 15:49:17,594 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:49:17,594 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 21 letters. Loop has 6 letters. [2024-11-09 15:49:17,594 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:49:17,594 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 15 letters. Loop has 12 letters. [2024-11-09 15:49:17,594 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:49:17,594 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 73 transitions. [2024-11-09 15:49:17,595 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2024-11-09 15:49:17,597 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 54 states and 71 transitions. [2024-11-09 15:49:17,597 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2024-11-09 15:49:17,597 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2024-11-09 15:49:17,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 71 transitions. [2024-11-09 15:49:17,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:49:17,598 INFO L218 hiAutomatonCegarLoop]: Abstraction has 54 states and 71 transitions. [2024-11-09 15:49:17,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 71 transitions. [2024-11-09 15:49:17,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 49. [2024-11-09 15:49:17,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 48 states have internal predecessors, (65), 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 15:49:17,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 65 transitions. [2024-11-09 15:49:17,601 INFO L240 hiAutomatonCegarLoop]: Abstraction has 49 states and 65 transitions. [2024-11-09 15:49:17,601 INFO L425 stractBuchiCegarLoop]: Abstraction has 49 states and 65 transitions. [2024-11-09 15:49:17,601 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-09 15:49:17,602 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 65 transitions. [2024-11-09 15:49:17,603 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2024-11-09 15:49:17,603 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:49:17,603 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:49:17,605 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:49:17,605 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-09 15:49:17,606 INFO L745 eck$LassoCheckResult]: Stem: 1168#$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(21, 2);call #Ultimate.allocInit(12, 3); 1150#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1144#L15 assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 1145#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4); 1164#L20-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1165#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4); 1166#L20-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1167#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 1155#L20-4 main_~j~0#1 := 1; 1156#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1; 1169#L25-5 main_#t~short9#1 := main_~i~0#1 >= 0; 1146#L25-1 assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1; 1140#L25-3 assume !main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1; 1141#L25-6 call write~int#1(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 1151#L22-2 main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1152#L22-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 1148#L22-4 main_~k~0#1 := 1; 1149#L31-3 [2024-11-09 15:49:17,606 INFO L747 eck$LassoCheckResult]: Loop: 1149#L31-3 assume !!(main_~k~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem12#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (main_~k~0#1 - 1), 4);call main_#t~mem13#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~k~0#1, 4);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem12#1 <= main_#t~mem13#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1162#L6 assume !(0 == __VERIFIER_assert_~cond#1); 1138#L6-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true; 1139#L31-2 main_#t~post14#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 1149#L31-3 [2024-11-09 15:49:17,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:17,606 INFO L85 PathProgramCache]: Analyzing trace with hash 67529785, now seen corresponding path program 1 times [2024-11-09 15:49:17,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:17,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175798205] [2024-11-09 15:49:17,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:17,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:17,636 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:49:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:17,662 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:49:17,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:17,663 INFO L85 PathProgramCache]: Analyzing trace with hash 2871948, now seen corresponding path program 2 times [2024-11-09 15:49:17,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:17,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110914958] [2024-11-09 15:49:17,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:17,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:17,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:17,673 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:49:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:17,682 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:49:17,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:17,683 INFO L85 PathProgramCache]: Analyzing trace with hash -2043583804, now seen corresponding path program 1 times [2024-11-09 15:49:17,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:17,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023514791] [2024-11-09 15:49:17,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:17,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:17,700 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:49:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:17,717 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:49:19,061 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:49:19,061 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:49:19,061 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:49:19,061 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:49:19,061 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:49:19,062 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:19,062 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:49:19,062 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:49:19,062 INFO L132 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2-2.c_Iteration10_Lasso [2024-11-09 15:49:19,062 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:49:19,062 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:49:19,064 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:19,066 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:19,067 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:19,069 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:19,071 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:19,073 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:19,075 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:19,387 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:19,389 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:19,391 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:19,393 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:19,395 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:19,397 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:19,405 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:19,407 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:19,409 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:19,411 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:19,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:19,415 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:19,750 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:49:19,750 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:49:19,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:19,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:19,752 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:19,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-11-09 15:49:19,755 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 15:49:19,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:19,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:19,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:19,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:19,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:19,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:19,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:19,766 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:19,776 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2024-11-09 15:49:19,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:19,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:19,777 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:19,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-11-09 15:49:19,779 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 15:49:19,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:19,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:19,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:19,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:19,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:19,789 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:19,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:19,790 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:19,800 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2024-11-09 15:49:19,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:19,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:19,802 INFO L229 MonitoredProcess]: Starting monitored process 48 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 15:49:19,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-11-09 15:49:19,804 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 15:49:19,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:19,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:19,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:19,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:19,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:19,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:19,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:19,818 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:19,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:19,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:19,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:19,830 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:19,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-11-09 15:49:19,832 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 15:49:19,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:19,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:19,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:19,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:19,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:19,842 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:19,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:19,844 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:19,856 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-11-09 15:49:19,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:19,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:19,858 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:19,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-11-09 15:49:19,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:49:19,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:19,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:19,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:19,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:19,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:19,870 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:19,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:19,871 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:19,882 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-11-09 15:49:19,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:19,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:19,883 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:19,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-11-09 15:49:19,885 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 15:49:19,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:19,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:19,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:19,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:19,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:19,897 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:19,897 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:19,898 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:19,913 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-11-09 15:49:19,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:19,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:19,915 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:19,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-11-09 15:49:19,917 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 15:49:19,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:19,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:19,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:19,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:19,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:49:19,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:49:19,963 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:49:19,975 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-09 15:49:19,975 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-11-09 15:49:19,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:19,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:19,977 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:19,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-11-09 15:49:19,979 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:49:19,992 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-09 15:49:19,992 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:49:19,992 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~#v~0#1.offset, ULTIMATE.start_main_~k~0#1, v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_4) = -1*ULTIMATE.start_main_~#v~0#1.offset - 4*ULTIMATE.start_main_~k~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_4 Supporting invariants [] [2024-11-09 15:49:20,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:20,015 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2024-11-09 15:49:20,016 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#v~0!offset [2024-11-09 15:49:20,016 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 15:49:20,016 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 15:49:20,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:49:20,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:49:20,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:49:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:49:20,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 15:49:20,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:49:20,086 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 15:49:20,087 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-09 15:49:20,087 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 65 transitions. cyclomatic complexity: 22 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:49:20,105 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 65 transitions. cyclomatic complexity: 22. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) Result 53 states and 70 transitions. Complement of second has 4 states. [2024-11-09 15:49:20,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-09 15:49:20,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:49:20,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 21 transitions. [2024-11-09 15:49:20,107 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 21 transitions. Stem has 17 letters. Loop has 4 letters. [2024-11-09 15:49:20,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:49:20,108 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 21 transitions. Stem has 21 letters. Loop has 4 letters. [2024-11-09 15:49:20,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:49:20,108 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 21 transitions. Stem has 17 letters. Loop has 8 letters. [2024-11-09 15:49:20,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:49:20,108 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 70 transitions. [2024-11-09 15:49:20,109 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-09 15:49:20,109 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 31 states and 40 transitions. [2024-11-09 15:49:20,109 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-11-09 15:49:20,109 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-11-09 15:49:20,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 40 transitions. [2024-11-09 15:49:20,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:49:20,110 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 40 transitions. [2024-11-09 15:49:20,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 40 transitions. [2024-11-09 15:49:20,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-11-09 15:49:20,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 30 states have internal predecessors, (40), 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 15:49:20,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2024-11-09 15:49:20,111 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 40 transitions. [2024-11-09 15:49:20,111 INFO L425 stractBuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2024-11-09 15:49:20,111 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-11-09 15:49:20,111 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 40 transitions. [2024-11-09 15:49:20,112 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-09 15:49:20,112 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:49:20,112 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:49:20,113 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:49:20,113 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-09 15:49:20,113 INFO L745 eck$LassoCheckResult]: Stem: 1353#$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(21, 2);call #Ultimate.allocInit(12, 3); 1354#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1355#L15 assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 1345#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4); 1346#L20-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1347#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4); 1348#L20-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1372#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4); 1371#L20-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1370#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 1362#L20-4 main_~j~0#1 := 1; 1358#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1; 1359#L25-5 main_#t~short9#1 := main_~i~0#1 >= 0; 1367#L25-1 assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1; 1365#L25-3 assume !main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1; 1342#L25-6 call write~int#1(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 1343#L22-2 main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1360#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1; 1361#L25-5 main_#t~short9#1 := main_~i~0#1 >= 0; 1356#L25-1 [2024-11-09 15:49:20,113 INFO L747 eck$LassoCheckResult]: Loop: 1356#L25-1 assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1; 1349#L25-3 assume !!main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;call main_#t~mem10#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);call write~int#1(main_#t~mem10#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);havoc main_#t~mem10#1;main_~i~0#1 := main_~i~0#1 - 1; 1350#L25-5 main_#t~short9#1 := main_~i~0#1 >= 0; 1356#L25-1 [2024-11-09 15:49:20,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:20,114 INFO L85 PathProgramCache]: Analyzing trace with hash -606494268, now seen corresponding path program 4 times [2024-11-09 15:49:20,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:20,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053705198] [2024-11-09 15:49:20,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:20,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:20,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:20,129 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:49:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:20,141 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:49:20,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:20,142 INFO L85 PathProgramCache]: Analyzing trace with hash 66777, now seen corresponding path program 2 times [2024-11-09 15:49:20,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:20,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44790285] [2024-11-09 15:49:20,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:20,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:20,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:49:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:20,151 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:49:20,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:20,151 INFO L85 PathProgramCache]: Analyzing trace with hash 856713270, now seen corresponding path program 1 times [2024-11-09 15:49:20,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:49:20,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319520764] [2024-11-09 15:49:20,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:49:20,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:49:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:20,181 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:49:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:49:20,197 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:49:20,995 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:49:20,996 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:49:20,996 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:49:20,996 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:49:20,996 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:49:20,996 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:20,996 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:49:20,996 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:49:20,996 INFO L132 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2-2.c_Iteration11_Lasso [2024-11-09 15:49:20,996 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:49:20,996 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:49:20,998 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:21,006 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:21,008 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:21,010 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:21,012 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:21,013 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:21,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:21,297 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:21,299 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:21,301 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:21,331 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:21,336 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:21,339 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:21,341 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2024-11-09 15:49:21,343 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:21,345 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:49:21,674 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:49:21,674 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:49:21,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:21,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:21,676 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:21,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-11-09 15:49:21,677 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 15:49:21,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:21,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:21,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:21,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:21,688 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:49:21,688 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:49:21,691 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:21,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:21,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:21,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:21,707 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:21,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-11-09 15:49:21,709 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 15:49:21,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:21,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:21,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:21,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:21,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:49:21,723 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:49:21,725 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:21,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:21,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:21,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:21,736 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:21,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-11-09 15:49:21,737 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 15:49:21,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:21,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:21,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:21,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:21,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:21,748 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:21,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:21,749 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:21,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-11-09 15:49:21,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:21,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:21,760 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:21,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-11-09 15:49:21,762 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 15:49:21,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:21,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:21,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:21,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:21,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:21,773 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:21,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:21,774 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:21,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:21,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:21,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:21,786 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:21,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-11-09 15:49:21,787 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 15:49:21,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:21,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:21,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:21,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:21,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:21,798 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:21,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:21,799 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:21,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:21,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:21,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:21,812 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:21,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-11-09 15:49:21,813 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 15:49:21,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:21,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:49:21,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:21,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:21,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:21,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:49:21,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:49:21,825 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:21,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2024-11-09 15:49:21,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:21,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:21,836 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:21,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-11-09 15:49:21,838 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 15:49:21,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:21,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:21,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:21,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:21,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:49:21,849 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:49:21,851 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:21,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:21,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:21,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:21,863 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:21,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-11-09 15:49:21,864 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 15:49:21,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:21,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:21,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:21,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:21,875 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:49:21,876 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:49:21,879 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:21,894 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2024-11-09 15:49:21,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:21,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:21,896 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:21,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-11-09 15:49:21,898 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 15:49:21,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:21,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:21,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:21,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:21,911 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:49:21,911 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:49:21,914 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:21,923 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2024-11-09 15:49:21,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:21,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:21,925 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:21,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2024-11-09 15:49:21,927 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 15:49:21,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:21,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:21,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:49:21,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:21,938 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:49:21,938 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:49:21,940 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:49:21,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2024-11-09 15:49:21,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:21,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:21,951 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:21,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2024-11-09 15:49:21,952 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 15:49:21,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:49:21,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:49:21,962 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-09 15:49:21,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:49:21,971 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-11-09 15:49:21,971 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-09 15:49:21,993 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:49:22,032 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2024-11-09 15:49:22,032 INFO L444 ModelExtractionUtils]: 10 out of 31 variables were initially zero. Simplification set additionally 17 variables to zero. [2024-11-09 15:49:22,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:49:22,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:49:22,033 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:49:22,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2024-11-09 15:49:22,035 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:49:22,047 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2024-11-09 15:49:22,047 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:49:22,047 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 2*ULTIMATE.start_main_~i~0#1 + 1 Supporting invariants [-1*ULTIMATE.start_main_~#v~0#1.offset >= 0] [2024-11-09 15:49:22,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2024-11-09 15:49:22,066 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2024-11-09 15:49:22,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:49:22,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 15:49:22,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:49:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:49:22,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 15:49:22,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:49:22,284 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 15:49:22,285 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2024-11-09 15:49:22,285 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 13 Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:49:22,324 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 13. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 54 transitions. Complement of second has 8 states. [2024-11-09 15:49:22,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-09 15:49:22,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:49:22,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2024-11-09 15:49:22,325 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 19 letters. Loop has 3 letters. [2024-11-09 15:49:22,325 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:49:22,325 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-09 15:49:22,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:49:22,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 15:49:22,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:49:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:49:22,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 15:49:22,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:49:22,504 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 15:49:22,504 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2024-11-09 15:49:22,504 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 13 Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:49:22,551 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 13. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 53 transitions. Complement of second has 10 states. [2024-11-09 15:49:22,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-09 15:49:22,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:49:22,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 16 transitions. [2024-11-09 15:49:22,552 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 19 letters. Loop has 3 letters. [2024-11-09 15:49:22,552 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:49:22,553 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-09 15:49:22,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:49:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:49:22,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 15:49:22,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:49:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:49:22,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 15:49:22,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:49:22,753 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 15:49:22,754 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2024-11-09 15:49:22,754 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 13 Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:49:22,789 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 13. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 58 states and 74 transitions. Complement of second has 9 states. [2024-11-09 15:49:22,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-09 15:49:22,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:49:22,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2024-11-09 15:49:22,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 19 letters. Loop has 3 letters. [2024-11-09 15:49:22,790 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:49:22,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 22 letters. Loop has 3 letters. [2024-11-09 15:49:22,790 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:49:22,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 19 letters. Loop has 6 letters. [2024-11-09 15:49:22,791 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:49:22,791 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 74 transitions. [2024-11-09 15:49:22,791 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 15:49:22,791 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 0 states and 0 transitions. [2024-11-09 15:49:22,791 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-09 15:49:22,792 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-09 15:49:22,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-09 15:49:22,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:49:22,792 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:49:22,792 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:49:22,792 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:49:22,792 INFO L332 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2024-11-09 15:49:22,792 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-09 15:49:22,792 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 15:49:22,792 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-09 15:49:22,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 03:49:22 BoogieIcfgContainer [2024-11-09 15:49:22,798 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-09 15:49:22,798 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 15:49:22,798 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 15:49:22,798 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 15:49:22,799 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:49:08" (3/4) ... [2024-11-09 15:49:22,801 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 15:49:22,802 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 15:49:22,803 INFO L158 Benchmark]: Toolchain (without parser) took 15492.84ms. Allocated memory was 184.5MB in the beginning and 283.1MB in the end (delta: 98.6MB). Free memory was 117.8MB in the beginning and 109.6MB in the end (delta: 8.2MB). Peak memory consumption was 107.7MB. Max. memory is 16.1GB. [2024-11-09 15:49:22,803 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 184.5MB. Free memory is still 150.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:49:22,803 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.93ms. Allocated memory is still 184.5MB. Free memory was 117.8MB in the beginning and 105.2MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 15:49:22,803 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.36ms. Allocated memory is still 184.5MB. Free memory was 105.2MB in the beginning and 103.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 15:49:22,804 INFO L158 Benchmark]: Boogie Preprocessor took 41.40ms. Allocated memory is still 184.5MB. Free memory was 103.5MB in the beginning and 101.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 15:49:22,804 INFO L158 Benchmark]: RCFGBuilder took 354.72ms. Allocated memory is still 184.5MB. Free memory was 101.4MB in the beginning and 88.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 15:49:22,804 INFO L158 Benchmark]: BuchiAutomizer took 14777.53ms. Allocated memory was 184.5MB in the beginning and 283.1MB in the end (delta: 98.6MB). Free memory was 87.8MB in the beginning and 110.7MB in the end (delta: -22.9MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. [2024-11-09 15:49:22,804 INFO L158 Benchmark]: Witness Printer took 3.96ms. Allocated memory is still 283.1MB. Free memory was 110.7MB in the beginning and 109.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:49:22,806 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 184.5MB. Free memory is still 150.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.93ms. Allocated memory is still 184.5MB. Free memory was 117.8MB in the beginning and 105.2MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.36ms. Allocated memory is still 184.5MB. Free memory was 105.2MB in the beginning and 103.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.40ms. Allocated memory is still 184.5MB. Free memory was 103.5MB in the beginning and 101.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 354.72ms. Allocated memory is still 184.5MB. Free memory was 101.4MB in the beginning and 88.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 14777.53ms. Allocated memory was 184.5MB in the beginning and 283.1MB in the end (delta: 98.6MB). Free memory was 87.8MB in the beginning and 110.7MB in the end (delta: -22.9MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. * Witness Printer took 3.96ms. Allocated memory is still 283.1MB. Free memory was 110.7MB in the beginning and 109.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#v~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 11 terminating modules (6 trivial, 4 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function (((long long) 2 * i) + 1) and consists of 5 locations. One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function null and consists of 3 locations. One nondeterministic module has affine ranking function (((long long) 2 * i) + 1) and consists of 5 locations. 6 modules have a trivial ranking function, the largest among these consists of 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.7s and 12 iterations. TraceHistogramMax:3. Analysis of lassos took 12.6s. Construction of modules took 0.3s. Büchi inclusion checks took 1.6s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 46 StatesRemovedByMinimization, 7 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 [4, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 250 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 248 mSDsluCounter, 510 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 328 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 383 IncrementalHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 182 mSDtfsCounter, 383 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc4 concLT0 SILN0 SILU1 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital213 mio100 ax100 hnf100 lsp93 ukn65 mio100 lsp42 div317 bol101 ite100 ukn100 eq141 hnf95 smp51 dnf118 smp93 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 96ms VariablesStem: 9 VariablesLoop: 6 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! [2024-11-09 15:49:22,825 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2024-11-09 15:49:23,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-09 15:49:23,227 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 15:49:23,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 15:49:23,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE