./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i -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 007fc8a389a67fb47c7d326d3f1d284696dfe5de13661e77d6d1bf7cce285194 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 02:17:06,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 02:17:06,568 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-23 02:17:06,572 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 02:17:06,572 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 02:17:06,600 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 02:17:06,601 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 02:17:06,602 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 02:17:06,602 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 02:17:06,604 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 02:17:06,605 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 02:17:06,605 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 02:17:06,605 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 02:17:06,606 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-23 02:17:06,609 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-23 02:17:06,609 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-23 02:17:06,609 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-23 02:17:06,610 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-23 02:17:06,610 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-23 02:17:06,610 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 02:17:06,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-23 02:17:06,611 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 02:17:06,611 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 02:17:06,611 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 02:17:06,611 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 02:17:06,611 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-23 02:17:06,612 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-23 02:17:06,612 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-23 02:17:06,612 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 02:17:06,612 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 02:17:06,612 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 02:17:06,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 02:17:06,613 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-23 02:17:06,613 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 02:17:06,613 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 02:17:06,613 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 02:17:06,614 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 02:17:06,614 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 02:17:06,615 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-23 02:17:06,616 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 007fc8a389a67fb47c7d326d3f1d284696dfe5de13661e77d6d1bf7cce285194 [2024-11-23 02:17:06,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 02:17:06,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 02:17:06,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 02:17:06,930 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 02:17:06,931 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 02:17:06,932 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i [2024-11-23 02:17:08,385 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 02:17:08,617 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 02:17:08,617 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i [2024-11-23 02:17:08,633 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1055f035f/1e5e6108ca0241f99de1448898f8e2de/FLAGf01076b81 [2024-11-23 02:17:08,976 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1055f035f/1e5e6108ca0241f99de1448898f8e2de [2024-11-23 02:17:08,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 02:17:08,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 02:17:08,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 02:17:08,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 02:17:08,987 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 02:17:08,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:17:08" (1/1) ... [2024-11-23 02:17:08,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aa87f81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:08, skipping insertion in model container [2024-11-23 02:17:08,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:17:08" (1/1) ... [2024-11-23 02:17:09,027 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 02:17:09,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:17:09,350 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 02:17:09,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:17:09,426 INFO L204 MainTranslator]: Completed translation [2024-11-23 02:17:09,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:09 WrapperNode [2024-11-23 02:17:09,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 02:17:09,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 02:17:09,428 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 02:17:09,428 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 02:17:09,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:09" (1/1) ... [2024-11-23 02:17:09,445 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:09" (1/1) ... [2024-11-23 02:17:09,464 INFO L138 Inliner]: procedures = 117, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2024-11-23 02:17:09,465 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 02:17:09,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 02:17:09,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 02:17:09,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 02:17:09,476 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:09" (1/1) ... [2024-11-23 02:17:09,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:09" (1/1) ... [2024-11-23 02:17:09,479 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:09" (1/1) ... [2024-11-23 02:17:09,490 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 1 writes are split as follows [1]. [2024-11-23 02:17:09,491 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:09" (1/1) ... [2024-11-23 02:17:09,491 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:09" (1/1) ... [2024-11-23 02:17:09,496 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:09" (1/1) ... [2024-11-23 02:17:09,499 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:09" (1/1) ... [2024-11-23 02:17:09,500 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:09" (1/1) ... [2024-11-23 02:17:09,501 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:09" (1/1) ... [2024-11-23 02:17:09,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 02:17:09,504 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 02:17:09,505 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 02:17:09,505 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 02:17:09,506 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:09" (1/1) ... [2024-11-23 02:17:09,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:17:09,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:17:09,546 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) [2024-11-23 02:17:09,549 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 [2024-11-23 02:17:09,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 02:17:09,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 02:17:09,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 02:17:09,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 02:17:09,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 02:17:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 02:17:09,677 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 02:17:09,679 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 02:17:09,794 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-23 02:17:09,794 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 02:17:09,804 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 02:17:09,805 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 02:17:09,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:17:09 BoogieIcfgContainer [2024-11-23 02:17:09,805 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 02:17:09,806 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-23 02:17:09,806 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-23 02:17:09,811 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-23 02:17:09,812 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:17:09,812 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:17:08" (1/3) ... [2024-11-23 02:17:09,813 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4904c49b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:17:09, skipping insertion in model container [2024-11-23 02:17:09,813 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:17:09,813 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:09" (2/3) ... [2024-11-23 02:17:09,813 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4904c49b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:17:09, skipping insertion in model container [2024-11-23 02:17:09,813 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:17:09,813 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:17:09" (3/3) ... [2024-11-23 02:17:09,817 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cmemchr-alloca-2.i [2024-11-23 02:17:09,898 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-23 02:17:09,898 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-23 02:17:09,898 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-23 02:17:09,898 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-23 02:17:09,899 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-23 02:17:09,899 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-23 02:17:09,900 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-23 02:17:09,900 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-23 02:17:09,908 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 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) [2024-11-23 02:17:09,942 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-23 02:17:09,943 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:17:09,943 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:17:09,948 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-23 02:17:09,948 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-23 02:17:09,948 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-23 02:17:09,948 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 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) [2024-11-23 02:17:09,957 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-23 02:17:09,957 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:17:09,957 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:17:09,958 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-23 02:17:09,958 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-23 02:17:09,993 INFO L745 eck$LassoCheckResult]: Stem: 13#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_~length~0#1, main_~n~0#1, main_~c~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset;havoc main_#t~nondet5#1;main_~length~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~c~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 7#L529true assume !(main_~length~0#1 < 1); 16#L529-2true assume !(main_~n~0#1 < 1); 2#L532-1true call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 6#L537-3true [2024-11-23 02:17:09,993 INFO L747 eck$LassoCheckResult]: Loop: 6#L537-3true assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet9#1; 14#L537-2true main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 6#L537-3true [2024-11-23 02:17:10,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:17:10,003 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2024-11-23 02:17:10,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:17:10,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731046501] [2024-11-23 02:17:10,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:17:10,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:17:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:17:10,114 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:17:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:17:10,147 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:17:10,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:17:10,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2024-11-23 02:17:10,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:17:10,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868089425] [2024-11-23 02:17:10,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:17:10,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:17:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:17:10,160 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:17:10,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:17:10,167 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:17:10,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:17:10,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2024-11-23 02:17:10,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:17:10,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987030331] [2024-11-23 02:17:10,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:17:10,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:17:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:17:10,198 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:17:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:17:10,221 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:17:10,509 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:17:10,510 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:17:10,510 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:17:10,510 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:17:10,511 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 02:17:10,511 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:17:10,511 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:17:10,511 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:17:10,511 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cmemchr-alloca-2.i_Iteration1_Lasso [2024-11-23 02:17:10,512 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:17:10,512 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:17:10,531 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:10,541 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:10,545 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:10,550 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:10,553 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:10,559 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:10,562 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:10,565 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:10,567 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:10,570 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:10,574 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:10,579 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:10,583 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:10,741 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:10,743 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:11,023 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:17:11,028 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 02:17:11,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:17:11,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:17:11,031 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) [2024-11-23 02:17:11,032 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 [2024-11-23 02:17:11,033 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 [2024-11-23 02:17:11,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:17:11,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:17:11,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:17:11,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:17:11,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:17:11,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:17:11,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:17:11,056 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:17:11,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-23 02:17:11,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:17:11,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:17:11,073 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) [2024-11-23 02:17:11,076 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 [2024-11-23 02:17:11,077 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 [2024-11-23 02:17:11,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:17:11,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:17:11,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:17:11,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:17:11,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:17:11,088 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:17:11,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:17:11,090 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:17:11,098 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 [2024-11-23 02:17:11,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:17:11,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:17:11,101 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) [2024-11-23 02:17:11,103 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 [2024-11-23 02:17:11,105 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 [2024-11-23 02:17:11,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:17:11,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:17:11,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:17:11,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:17:11,121 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 02:17:11,121 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 02:17:11,125 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:17:11,133 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 [2024-11-23 02:17:11,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:17:11,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:17:11,136 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) [2024-11-23 02:17:11,139 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 [2024-11-23 02:17:11,140 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 [2024-11-23 02:17:11,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:17:11,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:17:11,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:17:11,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:17:11,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:17:11,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:17:11,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:17:11,162 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:17:11,170 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 [2024-11-23 02:17:11,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:17:11,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:17:11,174 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) [2024-11-23 02:17:11,176 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 [2024-11-23 02:17:11,177 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 [2024-11-23 02:17:11,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:17:11,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:17:11,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:17:11,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:17:11,192 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 02:17:11,192 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 02:17:11,197 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:17:11,205 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 [2024-11-23 02:17:11,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:17:11,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:17:11,208 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) [2024-11-23 02:17:11,212 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 [2024-11-23 02:17:11,213 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 [2024-11-23 02:17:11,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:17:11,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:17:11,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:17:11,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:17:11,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:17:11,228 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:17:11,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:17:11,230 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:17:11,238 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 [2024-11-23 02:17:11,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:17:11,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:17:11,242 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) [2024-11-23 02:17:11,243 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 [2024-11-23 02:17:11,245 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 [2024-11-23 02:17:11,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:17:11,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:17:11,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:17:11,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:17:11,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:17:11,259 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:17:11,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:17:11,261 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:17:11,268 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-23 02:17:11,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:17:11,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:17:11,272 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) [2024-11-23 02:17:11,273 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 [2024-11-23 02:17:11,274 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 [2024-11-23 02:17:11,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:17:11,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:17:11,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:17:11,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:17:11,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:17:11,288 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:17:11,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:17:11,290 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:17:11,298 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 [2024-11-23 02:17:11,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:17:11,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:17:11,302 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) [2024-11-23 02:17:11,303 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 [2024-11-23 02:17:11,304 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 [2024-11-23 02:17:11,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:17:11,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:17:11,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:17:11,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:17:11,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:17:11,318 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:17:11,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:17:11,320 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:17:11,328 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 [2024-11-23 02:17:11,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:17:11,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:17:11,330 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) [2024-11-23 02:17:11,333 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 [2024-11-23 02:17:11,334 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 [2024-11-23 02:17:11,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:17:11,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:17:11,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:17:11,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:17:11,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:17:11,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:17:11,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:17:11,350 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:17:11,357 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 [2024-11-23 02:17:11,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:17:11,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:17:11,360 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) [2024-11-23 02:17:11,362 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 [2024-11-23 02:17:11,362 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 [2024-11-23 02:17:11,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:17:11,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:17:11,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:17:11,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:17:11,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:17:11,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:17:11,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:17:11,374 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:17:11,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-23 02:17:11,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:17:11,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:17:11,382 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:17:11,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-23 02:17:11,384 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 [2024-11-23 02:17:11,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:17:11,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:17:11,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:17:11,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:17:11,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 02:17:11,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 02:17:11,400 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:17:11,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-23 02:17:11,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:17:11,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:17:11,413 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:17:11,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-23 02:17:11,415 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 [2024-11-23 02:17:11,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:17:11,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:17:11,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:17:11,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:17:11,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:17:11,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:17:11,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:17:11,429 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:17:11,437 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-23 02:17:11,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:17:11,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:17:11,439 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) [2024-11-23 02:17:11,441 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 [2024-11-23 02:17:11,443 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 [2024-11-23 02:17:11,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:17:11,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:17:11,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:17:11,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:17:11,464 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 02:17:11,464 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 02:17:11,475 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 02:17:11,514 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2024-11-23 02:17:11,514 INFO L444 ModelExtractionUtils]: 1 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero. [2024-11-23 02:17:11,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:17:11,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:17:11,537 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:17:11,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-23 02:17:11,540 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 02:17:11,554 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-23 02:17:11,555 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 02:17:11,556 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetArea~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~nondetArea~0#1.base)_1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [1*ULTIMATE.start_main_~nondetArea~0#1.offset >= 0] [2024-11-23 02:17:11,564 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 [2024-11-23 02:17:11,578 INFO L156 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2024-11-23 02:17:11,589 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-23 02:17:11,590 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-23 02:17:11,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:17:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:17:11,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 02:17:11,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:17:11,661 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 [2024-11-23 02:17:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:17:11,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 02:17:11,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:17:11,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:17:11,764 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 [2024-11-23 02:17:11,766 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:17:11,835 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 46 transitions. Complement of second has 6 states. [2024-11-23 02:17:11,839 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 [2024-11-23 02:17:11,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:17:11,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2024-11-23 02:17:11,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-23 02:17:11,849 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:17:11,849 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-23 02:17:11,849 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:17:11,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 5 letters. Loop has 4 letters. [2024-11-23 02:17:11,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:17:11,851 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 46 transitions. [2024-11-23 02:17:11,853 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-23 02:17:11,857 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 14 states and 18 transitions. [2024-11-23 02:17:11,858 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-23 02:17:11,859 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-23 02:17:11,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 18 transitions. [2024-11-23 02:17:11,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:17:11,859 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-11-23 02:17:11,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 18 transitions. [2024-11-23 02:17:11,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-23 02:17:11,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 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) [2024-11-23 02:17:11,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2024-11-23 02:17:11,884 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-11-23 02:17:11,885 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-11-23 02:17:11,885 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-23 02:17:11,886 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2024-11-23 02:17:11,887 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-23 02:17:11,887 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:17:11,887 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:17:11,887 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:17:11,888 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-23 02:17:11,888 INFO L745 eck$LassoCheckResult]: Stem: 130#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 126#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_~length~0#1, main_~n~0#1, main_~c~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset;havoc main_#t~nondet5#1;main_~length~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~c~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 124#L529 assume !(main_~length~0#1 < 1); 125#L529-2 assume !(main_~n~0#1 < 1); 118#L532-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 119#L537-3 assume !(main_~i~0#1 < main_~n~0#1); 120#L537-4 havoc main_~i~0#1;assume { :begin_inline_cmemchr } true;cmemchr_#in~s#1.base, cmemchr_#in~s#1.offset, cmemchr_#in~c#1, cmemchr_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~c~0#1, main_~n~0#1;havoc cmemchr_#res#1.base, cmemchr_#res#1.offset;havoc cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset, cmemchr_#t~mem3#1, cmemchr_#t~pre4#1, cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset, cmemchr_~s#1.base, cmemchr_~s#1.offset, cmemchr_~c#1, cmemchr_~n#1;cmemchr_~s#1.base, cmemchr_~s#1.offset := cmemchr_#in~s#1.base, cmemchr_#in~s#1.offset;cmemchr_~c#1 := cmemchr_#in~c#1;cmemchr_~n#1 := cmemchr_#in~n#1; 121#L516 assume 0 != cmemchr_~n#1 % 4294967296;cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset := cmemchr_~s#1.base, cmemchr_~s#1.offset; 127#L518-4 [2024-11-23 02:17:11,888 INFO L747 eck$LassoCheckResult]: Loop: 127#L518-4 cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset := cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset;cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset := cmemchr_#t~post2#1.base, 1 + cmemchr_#t~post2#1.offset;call cmemchr_#t~mem3#1 := read~int#0(cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset, 1); 128#L519 assume !((if cmemchr_#t~mem3#1 % 256 % 4294967296 <= 2147483647 then cmemchr_#t~mem3#1 % 256 % 4294967296 else cmemchr_#t~mem3#1 % 256 % 4294967296 - 4294967296) == (if cmemchr_~c#1 % 256 % 4294967296 <= 2147483647 then cmemchr_~c#1 % 256 % 4294967296 else cmemchr_~c#1 % 256 % 4294967296 - 4294967296));havoc cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset;havoc cmemchr_#t~mem3#1; 131#L518-1 cmemchr_#t~pre4#1 := cmemchr_~n#1 - 1;cmemchr_~n#1 := cmemchr_~n#1 - 1; 129#L518-2 assume !!(0 != cmemchr_#t~pre4#1 % 4294967296);havoc cmemchr_#t~pre4#1; 127#L518-4 [2024-11-23 02:17:11,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:17:11,890 INFO L85 PathProgramCache]: Analyzing trace with hash 180430706, now seen corresponding path program 1 times [2024-11-23 02:17:11,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:17:11,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599604479] [2024-11-23 02:17:11,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:17:11,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:17:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:17:11,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:17:11,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 02:17:11,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599604479] [2024-11-23 02:17:11,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599604479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 02:17:11,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 02:17:11,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 02:17:11,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72522811] [2024-11-23 02:17:11,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 02:17:11,985 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-23 02:17:11,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:17:11,985 INFO L85 PathProgramCache]: Analyzing trace with hash 2036779, now seen corresponding path program 1 times [2024-11-23 02:17:11,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:17:11,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035798124] [2024-11-23 02:17:11,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:17:11,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:17:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:17:11,996 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:17:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:17:12,005 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:17:12,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 02:17:12,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 02:17:12,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-23 02:17:12,094 INFO L87 Difference]: Start difference. First operand 14 states and 18 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:17:12,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 02:17:12,120 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2024-11-23 02:17:12,120 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2024-11-23 02:17:12,121 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-23 02:17:12,121 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 18 transitions. [2024-11-23 02:17:12,122 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-23 02:17:12,122 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-23 02:17:12,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 18 transitions. [2024-11-23 02:17:12,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:17:12,122 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 18 transitions. [2024-11-23 02:17:12,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 18 transitions. [2024-11-23 02:17:12,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2024-11-23 02:17:12,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:17:12,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2024-11-23 02:17:12,124 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2024-11-23 02:17:12,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 02:17:12,125 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2024-11-23 02:17:12,126 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-23 02:17:12,126 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2024-11-23 02:17:12,126 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-23 02:17:12,127 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:17:12,127 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:17:12,127 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:17:12,130 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-23 02:17:12,130 INFO L745 eck$LassoCheckResult]: Stem: 166#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 162#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_~length~0#1, main_~n~0#1, main_~c~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset;havoc main_#t~nondet5#1;main_~length~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~c~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 160#L529 assume !(main_~length~0#1 < 1); 161#L529-2 assume !(main_~n~0#1 < 1); 154#L532-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 155#L537-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet9#1; 158#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 159#L537-3 assume !(main_~i~0#1 < main_~n~0#1); 156#L537-4 havoc main_~i~0#1;assume { :begin_inline_cmemchr } true;cmemchr_#in~s#1.base, cmemchr_#in~s#1.offset, cmemchr_#in~c#1, cmemchr_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~c~0#1, main_~n~0#1;havoc cmemchr_#res#1.base, cmemchr_#res#1.offset;havoc cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset, cmemchr_#t~mem3#1, cmemchr_#t~pre4#1, cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset, cmemchr_~s#1.base, cmemchr_~s#1.offset, cmemchr_~c#1, cmemchr_~n#1;cmemchr_~s#1.base, cmemchr_~s#1.offset := cmemchr_#in~s#1.base, cmemchr_#in~s#1.offset;cmemchr_~c#1 := cmemchr_#in~c#1;cmemchr_~n#1 := cmemchr_#in~n#1; 157#L516 assume 0 != cmemchr_~n#1 % 4294967296;cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset := cmemchr_~s#1.base, cmemchr_~s#1.offset; 163#L518-4 [2024-11-23 02:17:12,130 INFO L747 eck$LassoCheckResult]: Loop: 163#L518-4 cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset := cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset;cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset := cmemchr_#t~post2#1.base, 1 + cmemchr_#t~post2#1.offset;call cmemchr_#t~mem3#1 := read~int#0(cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset, 1); 164#L519 assume !((if cmemchr_#t~mem3#1 % 256 % 4294967296 <= 2147483647 then cmemchr_#t~mem3#1 % 256 % 4294967296 else cmemchr_#t~mem3#1 % 256 % 4294967296 - 4294967296) == (if cmemchr_~c#1 % 256 % 4294967296 <= 2147483647 then cmemchr_~c#1 % 256 % 4294967296 else cmemchr_~c#1 % 256 % 4294967296 - 4294967296));havoc cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset;havoc cmemchr_#t~mem3#1; 167#L518-1 cmemchr_#t~pre4#1 := cmemchr_~n#1 - 1;cmemchr_~n#1 := cmemchr_~n#1 - 1; 165#L518-2 assume !!(0 != cmemchr_#t~pre4#1 % 4294967296);havoc cmemchr_#t~pre4#1; 163#L518-4 [2024-11-23 02:17:12,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:17:12,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1596934864, now seen corresponding path program 1 times [2024-11-23 02:17:12,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:17:12,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321818517] [2024-11-23 02:17:12,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:17:12,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:17:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:17:12,158 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:17:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:17:12,189 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:17:12,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:17:12,192 INFO L85 PathProgramCache]: Analyzing trace with hash 2036779, now seen corresponding path program 2 times [2024-11-23 02:17:12,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:17:12,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757859458] [2024-11-23 02:17:12,193 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:17:12,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:17:12,207 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 02:17:12,207 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:17:12,207 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:17:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:17:12,219 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:17:12,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:17:12,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1308516218, now seen corresponding path program 1 times [2024-11-23 02:17:12,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:17:12,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374967926] [2024-11-23 02:17:12,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:17:12,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:17:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:17:12,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:17:12,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 02:17:12,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374967926] [2024-11-23 02:17:12,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374967926] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 02:17:12,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684013511] [2024-11-23 02:17:12,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:17:12,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 02:17:12,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:17:12,505 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 02:17:12,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-23 02:17:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:17:12,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-23 02:17:12,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:17:12,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:17:12,612 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 02:17:12,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:17:12,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684013511] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 02:17:12,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 02:17:12,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-23 02:17:12,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975733212] [2024-11-23 02:17:12,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 02:17:12,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 02:17:12,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-23 02:17:12,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-11-23 02:17:12,811 INFO L87 Difference]: Start difference. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 16 states, 15 states have (on average 2.0) internal successors, (30), 16 states have internal predecessors, (30), 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) [2024-11-23 02:17:12,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 02:17:12,915 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2024-11-23 02:17:12,915 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 32 transitions. [2024-11-23 02:17:12,916 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-23 02:17:12,916 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 17 states and 19 transitions. [2024-11-23 02:17:12,916 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-23 02:17:12,916 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-23 02:17:12,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 19 transitions. [2024-11-23 02:17:12,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:17:12,917 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-11-23 02:17:12,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 19 transitions. [2024-11-23 02:17:12,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2024-11-23 02:17:12,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.125) internal successors, (18), 15 states have internal predecessors, (18), 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) [2024-11-23 02:17:12,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2024-11-23 02:17:12,919 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-11-23 02:17:12,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 02:17:12,920 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-11-23 02:17:12,920 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-23 02:17:12,920 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 18 transitions. [2024-11-23 02:17:12,920 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-23 02:17:12,920 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:17:12,921 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:17:12,921 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:17:12,921 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-23 02:17:12,921 INFO L745 eck$LassoCheckResult]: Stem: 316#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 312#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_~length~0#1, main_~n~0#1, main_~c~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset;havoc main_#t~nondet5#1;main_~length~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~c~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 310#L529 assume !(main_~length~0#1 < 1); 311#L529-2 assume !(main_~n~0#1 < 1); 303#L532-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 304#L537-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet9#1; 307#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 308#L537-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet9#1; 309#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 318#L537-3 assume !(main_~i~0#1 < main_~n~0#1); 305#L537-4 havoc main_~i~0#1;assume { :begin_inline_cmemchr } true;cmemchr_#in~s#1.base, cmemchr_#in~s#1.offset, cmemchr_#in~c#1, cmemchr_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~c~0#1, main_~n~0#1;havoc cmemchr_#res#1.base, cmemchr_#res#1.offset;havoc cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset, cmemchr_#t~mem3#1, cmemchr_#t~pre4#1, cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset, cmemchr_~s#1.base, cmemchr_~s#1.offset, cmemchr_~c#1, cmemchr_~n#1;cmemchr_~s#1.base, cmemchr_~s#1.offset := cmemchr_#in~s#1.base, cmemchr_#in~s#1.offset;cmemchr_~c#1 := cmemchr_#in~c#1;cmemchr_~n#1 := cmemchr_#in~n#1; 306#L516 assume 0 != cmemchr_~n#1 % 4294967296;cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset := cmemchr_~s#1.base, cmemchr_~s#1.offset; 313#L518-4 [2024-11-23 02:17:12,922 INFO L747 eck$LassoCheckResult]: Loop: 313#L518-4 cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset := cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset;cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset := cmemchr_#t~post2#1.base, 1 + cmemchr_#t~post2#1.offset;call cmemchr_#t~mem3#1 := read~int#0(cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset, 1); 314#L519 assume !((if cmemchr_#t~mem3#1 % 256 % 4294967296 <= 2147483647 then cmemchr_#t~mem3#1 % 256 % 4294967296 else cmemchr_#t~mem3#1 % 256 % 4294967296 - 4294967296) == (if cmemchr_~c#1 % 256 % 4294967296 <= 2147483647 then cmemchr_~c#1 % 256 % 4294967296 else cmemchr_~c#1 % 256 % 4294967296 - 4294967296));havoc cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset;havoc cmemchr_#t~mem3#1; 317#L518-1 cmemchr_#t~pre4#1 := cmemchr_~n#1 - 1;cmemchr_~n#1 := cmemchr_~n#1 - 1; 315#L518-2 assume !!(0 != cmemchr_#t~pre4#1 % 4294967296);havoc cmemchr_#t~pre4#1; 313#L518-4 [2024-11-23 02:17:12,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:17:12,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1352797870, now seen corresponding path program 2 times [2024-11-23 02:17:12,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:17:12,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222229490] [2024-11-23 02:17:12,922 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:17:12,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:17:12,936 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 02:17:12,936 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:17:12,937 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:17:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:17:12,965 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:17:12,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:17:12,966 INFO L85 PathProgramCache]: Analyzing trace with hash 2036779, now seen corresponding path program 3 times [2024-11-23 02:17:12,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:17:12,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903125927] [2024-11-23 02:17:12,966 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 02:17:12,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:17:12,973 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-23 02:17:12,973 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:17:12,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:17:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:17:12,978 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:17:12,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:17:12,979 INFO L85 PathProgramCache]: Analyzing trace with hash -24116136, now seen corresponding path program 2 times [2024-11-23 02:17:12,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:17:12,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833365619] [2024-11-23 02:17:12,980 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:17:12,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:17:13,006 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 02:17:13,006 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:17:13,007 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:17:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:17:13,042 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:17:13,427 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:17:13,427 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:17:13,427 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:17:13,427 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:17:13,428 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 02:17:13,428 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:17:13,428 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:17:13,428 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:17:13,428 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cmemchr-alloca-2.i_Iteration4_Lasso [2024-11-23 02:17:13,428 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:17:13,428 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:17:13,432 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:13,436 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:13,438 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:13,441 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:13,444 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:13,447 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:13,450 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:13,453 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:13,646 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:13,649 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:13,652 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:13,654 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:13,658 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:13,660 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:13,662 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:13,665 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:13,667 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:13,669 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:13,671 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:13,674 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:13,677 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:13,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:13,680 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:13,682 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:13,686 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:13,688 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:13,690 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:17:14,164 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:17:14,164 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 02:17:14,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:17:14,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:17:14,167 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) [2024-11-23 02:17:14,171 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 [2024-11-23 02:17:14,172 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 [2024-11-23 02:17:14,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:17:14,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:17:14,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:17:14,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:17:14,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:17:14,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:17:14,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:17:14,190 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:17:14,198 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 [2024-11-23 02:17:14,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:17:14,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:17:14,201 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) [2024-11-23 02:17:14,204 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 [2024-11-23 02:17:14,205 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 [2024-11-23 02:17:14,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:17:14,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:17:14,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:17:14,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:17:14,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:17:14,219 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:17:14,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:17:14,220 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:17:14,228 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 [2024-11-23 02:17:14,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:17:14,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:17:14,230 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) [2024-11-23 02:17:14,234 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 [2024-11-23 02:17:14,235 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 [2024-11-23 02:17:14,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:17:14,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:17:14,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:17:14,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:17:14,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:17:14,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:17:14,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:17:14,250 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:17:14,258 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 [2024-11-23 02:17:14,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:17:14,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:17:14,262 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) [2024-11-23 02:17:14,263 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 [2024-11-23 02:17:14,264 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 [2024-11-23 02:17:14,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:17:14,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:17:14,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:17:14,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:17:14,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:17:14,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:17:14,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:17:14,280 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:17:14,289 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-23 02:17:14,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:17:14,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:17:14,292 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) [2024-11-23 02:17:14,293 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 [2024-11-23 02:17:14,295 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 [2024-11-23 02:17:14,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:17:14,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:17:14,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:17:14,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:17:14,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:17:14,309 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:17:14,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:17:14,310 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:17:14,318 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 [2024-11-23 02:17:14,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:17:14,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:17:14,320 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) [2024-11-23 02:17:14,322 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 [2024-11-23 02:17:14,323 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 [2024-11-23 02:17:14,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:17:14,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:17:14,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:17:14,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:17:14,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:17:14,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:17:14,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:17:14,337 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:17:14,345 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 [2024-11-23 02:17:14,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:17:14,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:17:14,348 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) [2024-11-23 02:17:14,349 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 [2024-11-23 02:17:14,350 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 [2024-11-23 02:17:14,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:17:14,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:17:14,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:17:14,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:17:14,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:17:14,364 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:17:14,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:17:14,366 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:17:14,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-23 02:17:14,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:17:14,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:17:14,376 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) [2024-11-23 02:17:14,379 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 [2024-11-23 02:17:14,379 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 [2024-11-23 02:17:14,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:17:14,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:17:14,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:17:14,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:17:14,399 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 02:17:14,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 02:17:14,413 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 02:17:14,435 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2024-11-23 02:17:14,435 INFO L444 ModelExtractionUtils]: 7 out of 16 variables were initially zero. Simplification set additionally 4 variables to zero. [2024-11-23 02:17:14,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:17:14,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:17:14,438 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:17:14,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-23 02:17:14,441 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 02:17:14,454 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-23 02:17:14,454 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 02:17:14,454 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cmemchr_~p~0#1.offset) = -2*ULTIMATE.start_cmemchr_~p~0#1.offset + 8589934589 Supporting invariants [-1*v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_2 + 4294967295 >= 0] [2024-11-23 02:17:14,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-11-23 02:17:14,476 INFO L156 tatePredicateManager]: 3 out of 5 supporting invariants were superfluous and have been removed [2024-11-23 02:17:14,481 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!offset [2024-11-23 02:17:14,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:17:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:17:14,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-23 02:17:14,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:17:14,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-23 02:17:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:17:14,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-23 02:17:14,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:17:14,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:17:14,690 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2024-11-23 02:17:14,690 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 18 transitions. cyclomatic complexity: 4 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:17:14,727 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 18 transitions. cyclomatic complexity: 4. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 22 transitions. Complement of second has 6 states. [2024-11-23 02:17:14,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-23 02:17:14,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:17:14,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2024-11-23 02:17:14,728 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 12 letters. Loop has 4 letters. [2024-11-23 02:17:14,729 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:17:14,729 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 16 letters. Loop has 4 letters. [2024-11-23 02:17:14,729 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:17:14,729 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 12 letters. Loop has 8 letters. [2024-11-23 02:17:14,729 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:17:14,730 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 22 transitions. [2024-11-23 02:17:14,731 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 02:17:14,731 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2024-11-23 02:17:14,732 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-23 02:17:14,732 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-23 02:17:14,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-23 02:17:14,732 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:17:14,732 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:17:14,733 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:17:14,733 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:17:14,733 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-23 02:17:14,733 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-23 02:17:14,733 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 02:17:14,733 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-23 02:17:14,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:17:14 BoogieIcfgContainer [2024-11-23 02:17:14,744 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-23 02:17:14,745 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 02:17:14,745 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 02:17:14,745 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 02:17:14,746 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:17:09" (3/4) ... [2024-11-23 02:17:14,749 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-23 02:17:14,750 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 02:17:14,752 INFO L158 Benchmark]: Toolchain (without parser) took 5770.80ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 137.1MB in the beginning and 126.6MB in the end (delta: 10.4MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2024-11-23 02:17:14,752 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:17:14,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.42ms. Allocated memory is still 169.9MB. Free memory was 136.2MB in the beginning and 117.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-23 02:17:14,752 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.28ms. Allocated memory is still 169.9MB. Free memory was 117.3MB in the beginning and 115.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 02:17:14,754 INFO L158 Benchmark]: Boogie Preprocessor took 38.35ms. Allocated memory is still 169.9MB. Free memory was 115.2MB in the beginning and 113.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 02:17:14,754 INFO L158 Benchmark]: RCFGBuilder took 300.86ms. Allocated memory is still 169.9MB. Free memory was 113.1MB in the beginning and 101.6MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-23 02:17:14,754 INFO L158 Benchmark]: BuchiAutomizer took 4937.96ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 100.5MB in the beginning and 126.6MB in the end (delta: -26.1MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-11-23 02:17:14,756 INFO L158 Benchmark]: Witness Printer took 5.49ms. Allocated memory is still 205.5MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:17:14,757 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 445.42ms. Allocated memory is still 169.9MB. Free memory was 136.2MB in the beginning and 117.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.28ms. Allocated memory is still 169.9MB. Free memory was 117.3MB in the beginning and 115.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.35ms. Allocated memory is still 169.9MB. Free memory was 115.2MB in the beginning and 113.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 300.86ms. Allocated memory is still 169.9MB. Free memory was 113.1MB in the beginning and 101.6MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 4937.96ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 100.5MB in the beginning and 126.6MB in the end (delta: -26.1MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Witness Printer took 5.49ms. Allocated memory is still 205.5MB. Free memory is still 126.6MB. 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: ~p~0!offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 16 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.8s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 4.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 57 mSDsluCounter, 102 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 64 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 77 IncrementalHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 38 mSDtfsCounter, 77 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital107 mio100 ax117 hnf100 lsp85 ukn82 mio100 lsp56 div207 bol100 ite100 ukn100 eq154 hnf93 smp63 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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! [2024-11-23 02:17:14,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-11-23 02:17:14,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-23 02:17:15,182 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