./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.3.ufo.BOUNDED-6.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.3.ufo.BOUNDED-6.pals.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c3ae342bfdc7bf76083bf4321cb5b6b26fe707bda9cd6edf475282aebbd1033a --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-15 01:01:41,131 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 01:01:41,210 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-15 01:01:41,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 01:01:41,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 01:01:41,242 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 01:01:41,242 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 01:01:41,243 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 01:01:41,243 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 01:01:41,244 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 01:01:41,244 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 01:01:41,244 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 01:01:41,245 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 01:01:41,245 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-15 01:01:41,245 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-15 01:01:41,246 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-15 01:01:41,246 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-15 01:01:41,246 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-15 01:01:41,247 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-15 01:01:41,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 01:01:41,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-15 01:01:41,248 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 01:01:41,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 01:01:41,249 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 01:01:41,249 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 01:01:41,249 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-15 01:01:41,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-15 01:01:41,250 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-15 01:01:41,250 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 01:01:41,250 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-15 01:01:41,251 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 01:01:41,251 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 01:01:41,252 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-15 01:01:41,252 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 01:01:41,252 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 01:01:41,253 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 01:01:41,253 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-15 01:01:41,253 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-15 01:01:41,254 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-15 01:01:41,254 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3ae342bfdc7bf76083bf4321cb5b6b26fe707bda9cd6edf475282aebbd1033a [2024-10-15 01:01:41,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 01:01:41,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 01:01:41,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 01:01:41,559 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 01:01:41,559 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 01:01:41,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.3.ufo.BOUNDED-6.pals.c [2024-10-15 01:01:43,043 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 01:01:43,260 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 01:01:43,261 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.3.ufo.BOUNDED-6.pals.c [2024-10-15 01:01:43,272 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42e2b21ef/e52f23ac348c4c0d984f5e90ef2ad9b2/FLAG41fb797e7 [2024-10-15 01:01:43,619 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42e2b21ef/e52f23ac348c4c0d984f5e90ef2ad9b2 [2024-10-15 01:01:43,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 01:01:43,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-15 01:01:43,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 01:01:43,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 01:01:43,630 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 01:01:43,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:01:43" (1/1) ... [2024-10-15 01:01:43,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bf982c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:01:43, skipping insertion in model container [2024-10-15 01:01:43,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:01:43" (1/1) ... [2024-10-15 01:01:43,678 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 01:01:43,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 01:01:43,958 INFO L200 MainTranslator]: Completed pre-run [2024-10-15 01:01:44,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 01:01:44,029 INFO L204 MainTranslator]: Completed translation [2024-10-15 01:01:44,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:01:44 WrapperNode [2024-10-15 01:01:44,030 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 01:01:44,031 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 01:01:44,031 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 01:01:44,031 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 01:01:44,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:01:44" (1/1) ... [2024-10-15 01:01:44,049 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:01:44" (1/1) ... [2024-10-15 01:01:44,085 INFO L138 Inliner]: procedures = 21, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 433 [2024-10-15 01:01:44,086 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 01:01:44,086 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 01:01:44,086 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 01:01:44,087 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 01:01:44,097 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:01:44" (1/1) ... [2024-10-15 01:01:44,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:01:44" (1/1) ... [2024-10-15 01:01:44,104 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:01:44" (1/1) ... [2024-10-15 01:01:44,133 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-15 01:01:44,137 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:01:44" (1/1) ... [2024-10-15 01:01:44,137 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:01:44" (1/1) ... [2024-10-15 01:01:44,145 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:01:44" (1/1) ... [2024-10-15 01:01:44,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:01:44" (1/1) ... [2024-10-15 01:01:44,155 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:01:44" (1/1) ... [2024-10-15 01:01:44,157 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:01:44" (1/1) ... [2024-10-15 01:01:44,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 01:01:44,165 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 01:01:44,166 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 01:01:44,167 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 01:01:44,168 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:01:44" (1/1) ... [2024-10-15 01:01:44,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 01:01:44,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 01:01:44,201 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) [2024-10-15 01:01:44,204 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 [2024-10-15 01:01:44,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 01:01:44,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-15 01:01:44,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 01:01:44,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 01:01:44,368 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 01:01:44,370 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 01:01:44,911 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-10-15 01:01:44,912 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 01:01:44,926 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 01:01:44,926 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 01:01:44,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:01:44 BoogieIcfgContainer [2024-10-15 01:01:44,927 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 01:01:44,928 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-15 01:01:44,928 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-15 01:01:44,931 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-15 01:01:44,931 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 01:01:44,932 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 01:01:43" (1/3) ... [2024-10-15 01:01:44,932 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a677a9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 01:01:44, skipping insertion in model container [2024-10-15 01:01:44,932 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 01:01:44,933 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:01:44" (2/3) ... [2024-10-15 01:01:44,933 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a677a9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 01:01:44, skipping insertion in model container [2024-10-15 01:01:44,934 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 01:01:44,934 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:01:44" (3/3) ... [2024-10-15 01:01:44,935 INFO L332 chiAutomizerObserver]: Analyzing ICFG pals_floodmax.3.3.ufo.BOUNDED-6.pals.c [2024-10-15 01:01:44,992 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-15 01:01:44,992 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-15 01:01:44,993 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-15 01:01:44,993 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-15 01:01:44,993 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-15 01:01:44,993 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-15 01:01:44,993 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-15 01:01:44,993 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-15 01:01:45,003 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 119 states, 118 states have (on average 1.771186440677966) internal successors, (209), 118 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 01:01:45,025 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2024-10-15 01:01:45,025 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 01:01:45,026 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 01:01:45,034 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 01:01:45,034 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 01:01:45,034 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-15 01:01:45,035 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 119 states, 118 states have (on average 1.771186440677966) internal successors, (209), 118 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 01:01:45,042 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2024-10-15 01:01:45,042 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 01:01:45,042 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 01:01:45,044 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 01:01:45,044 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 01:01:45,056 INFO L745 eck$LassoCheckResult]: Stem: 34#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0; 40#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~ret31#1, main_#t~ret32#1, main_#t~post33#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;havoc main_#t~nondet4#1;assume 0 == main_#t~nondet4#1 || 1 == main_#t~nondet4#1;~ep12~0 := (if 0 == main_#t~nondet4#1 % 256 then 0 else 1);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;assume 0 == main_#t~nondet5#1 || 1 == main_#t~nondet5#1;~ep13~0 := (if 0 == main_#t~nondet5#1 % 256 then 0 else 1);havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;assume 0 == main_#t~nondet6#1 || 1 == main_#t~nondet6#1;~ep21~0 := (if 0 == main_#t~nondet6#1 % 256 then 0 else 1);havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;assume 0 == main_#t~nondet7#1 || 1 == main_#t~nondet7#1;~ep23~0 := (if 0 == main_#t~nondet7#1 % 256 then 0 else 1);havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;assume 0 == main_#t~nondet8#1 || 1 == main_#t~nondet8#1;~ep31~0 := (if 0 == main_#t~nondet8#1 % 256 then 0 else 1);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;assume 0 == main_#t~nondet9#1 || 1 == main_#t~nondet9#1;~ep32~0 := (if 0 == main_#t~nondet9#1 % 256 then 0 else 1);havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~r1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;~nl1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;~m1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~max1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;assume 0 == main_#t~nondet16#1 || 1 == main_#t~nondet16#1;~mode1~0 := (if 0 == main_#t~nondet16#1 % 256 then 0 else 1);havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~id2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;~r2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;~st2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~nl2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~m2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;~max2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;assume 0 == main_#t~nondet23#1 || 1 == main_#t~nondet23#1;~mode2~0 := (if 0 == main_#t~nondet23#1 % 256 then 0 else 1);havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~id3~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~r3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~st3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~nl3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~m3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;~max3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;havoc main_#t~nondet30#1;assume 0 == main_#t~nondet30#1 || 1 == main_#t~nondet30#1;~mode3~0 := (if 0 == main_#t~nondet30#1 % 256 then 0 else 1);havoc main_#t~nondet30#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r212~0#1;havoc init_~tmp___1~0#1;havoc init_~r232~0#1;havoc init_~tmp___2~0#1;havoc init_~r312~0#1;havoc init_~tmp___3~0#1;havoc init_~r322~0#1;havoc init_~tmp___4~0#1;havoc init_~tmp___5~0#1;init_~r121~0#1 := (if 0 == ~ep12~0 % 256 then 0 else 1);init_~r131~0#1 := (if 0 == ~ep13~0 % 256 then 0 else 1);init_~r211~0#1 := (if 0 == ~ep21~0 % 256 then 0 else 1);init_~r231~0#1 := (if 0 == ~ep23~0 % 256 then 0 else 1);init_~r311~0#1 := (if 0 == ~ep31~0 % 256 then 0 else 1);init_~r321~0#1 := (if 0 == ~ep32~0 % 256 then 0 else 1); 84#L228true assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 43#L231-1true init_~r122~0#1 := (if 0 == (if 0 == init_~tmp~0#1 then 0 else 1) % 256 then 0 else 1); 31#L241true assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 27#L244-1true init_~r132~0#1 := (if 0 == (if 0 == init_~tmp___0~0#1 then 0 else 1) % 256 then 0 else 1); 51#L254true assume 0 != init_~r211~0#1 % 256;init_~tmp___1~0#1 := 1; 54#L257-1true init_~r212~0#1 := (if 0 == (if 0 == init_~tmp___1~0#1 then 0 else 1) % 256 then 0 else 1); 25#L267true assume 0 != init_~r231~0#1 % 256;init_~tmp___2~0#1 := 1; 13#L270-1true init_~r232~0#1 := (if 0 == (if 0 == init_~tmp___2~0#1 then 0 else 1) % 256 then 0 else 1); 92#L280true assume 0 != init_~r311~0#1 % 256;init_~tmp___3~0#1 := 1; 72#L283-1true init_~r312~0#1 := (if 0 == (if 0 == init_~tmp___3~0#1 then 0 else 1) % 256 then 0 else 1); 108#L293true assume 0 != init_~r321~0#1 % 256;init_~tmp___4~0#1 := 1; 70#L296-1true init_~r322~0#1 := (if 0 == (if 0 == init_~tmp___4~0#1 then 0 else 1) % 256 then 0 else 1); 117#L306true assume !(~id1~0 != ~id2~0);init_~tmp___5~0#1 := 0; 105#L306-1true init_#res#1 := init_~tmp___5~0#1; 89#init_returnLabel#1true main_#t~ret31#1 := init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 44#L509true assume !(0 == main_~i2~0#1); 79#L509-2true ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 32#L523-2true [2024-10-15 01:01:45,057 INFO L747 eck$LassoCheckResult]: Loop: 32#L523-2true assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true; 60#L75true assume !(0 != ~mode1~0 % 256); 56#L100true assume !(~r1~0 < 2); 74#L100-1true ~mode1~0 := 1; 106#L75-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 91#L118true assume !(0 != ~mode2~0 % 256); 95#L143true assume !(~r2~0 < 2); 85#L143-1true ~mode2~0 := 1; 57#L118-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 12#L161true assume !(0 != ~mode3~0 % 256); 65#L186true assume !(~r3~0 < 2); 26#L186-1true ~mode3~0 := 1; 5#L161-2true assume { :end_inline_node3 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 19#L423true assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);check_~tmp~1#1 := 0; 62#L423-1true check_#res#1 := check_~tmp~1#1; 17#check_returnLabel#1true main_#t~ret32#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret32#1;havoc main_#t~ret32#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 77#L553true assume !(0 == assert_~arg#1 % 256); 63#L548true havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post33#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post33#1;havoc main_#t~post33#1; 32#L523-2true [2024-10-15 01:01:45,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 01:01:45,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1727567734, now seen corresponding path program 1 times [2024-10-15 01:01:45,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 01:01:45,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191968938] [2024-10-15 01:01:45,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 01:01:45,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 01:01:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 01:01:45,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 01:01:45,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 01:01:45,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191968938] [2024-10-15 01:01:45,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191968938] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 01:01:45,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 01:01:45,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-15 01:01:45,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374073410] [2024-10-15 01:01:45,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 01:01:45,549 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 01:01:45,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 01:01:45,550 INFO L85 PathProgramCache]: Analyzing trace with hash -310748305, now seen corresponding path program 1 times [2024-10-15 01:01:45,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 01:01:45,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842243164] [2024-10-15 01:01:45,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 01:01:45,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 01:01:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 01:01:45,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 01:01:45,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 01:01:45,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842243164] [2024-10-15 01:01:45,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842243164] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 01:01:45,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 01:01:45,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-15 01:01:45,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664894314] [2024-10-15 01:01:45,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 01:01:45,774 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-15 01:01:45,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 01:01:45,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-15 01:01:45,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-15 01:01:45,838 INFO L87 Difference]: Start difference. First operand has 119 states, 118 states have (on average 1.771186440677966) internal successors, (209), 118 states have internal predecessors, (209), 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 5 states, 5 states have (on average 3.6) internal successors, (18), 5 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) [2024-10-15 01:01:45,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 01:01:45,907 INFO L93 Difference]: Finished difference Result 121 states and 208 transitions. [2024-10-15 01:01:45,908 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 121 states and 208 transitions. [2024-10-15 01:01:45,912 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2024-10-15 01:01:45,920 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 121 states to 113 states and 192 transitions. [2024-10-15 01:01:45,921 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 113 [2024-10-15 01:01:45,922 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 113 [2024-10-15 01:01:45,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 113 states and 192 transitions. [2024-10-15 01:01:45,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 01:01:45,925 INFO L218 hiAutomatonCegarLoop]: Abstraction has 113 states and 192 transitions. [2024-10-15 01:01:45,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states and 192 transitions. [2024-10-15 01:01:45,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-10-15 01:01:45,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 113 states have (on average 1.6991150442477876) internal successors, (192), 112 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 01:01:45,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 192 transitions. [2024-10-15 01:01:45,953 INFO L240 hiAutomatonCegarLoop]: Abstraction has 113 states and 192 transitions. [2024-10-15 01:01:45,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-15 01:01:45,961 INFO L425 stractBuchiCegarLoop]: Abstraction has 113 states and 192 transitions. [2024-10-15 01:01:45,962 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-15 01:01:45,962 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 113 states and 192 transitions. [2024-10-15 01:01:45,968 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2024-10-15 01:01:45,968 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 01:01:45,968 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 01:01:45,970 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 01:01:45,970 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 01:01:45,970 INFO L745 eck$LassoCheckResult]: Stem: 309#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0; 310#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~ret31#1, main_#t~ret32#1, main_#t~post33#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;havoc main_#t~nondet4#1;assume 0 == main_#t~nondet4#1 || 1 == main_#t~nondet4#1;~ep12~0 := (if 0 == main_#t~nondet4#1 % 256 then 0 else 1);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;assume 0 == main_#t~nondet5#1 || 1 == main_#t~nondet5#1;~ep13~0 := (if 0 == main_#t~nondet5#1 % 256 then 0 else 1);havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;assume 0 == main_#t~nondet6#1 || 1 == main_#t~nondet6#1;~ep21~0 := (if 0 == main_#t~nondet6#1 % 256 then 0 else 1);havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;assume 0 == main_#t~nondet7#1 || 1 == main_#t~nondet7#1;~ep23~0 := (if 0 == main_#t~nondet7#1 % 256 then 0 else 1);havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;assume 0 == main_#t~nondet8#1 || 1 == main_#t~nondet8#1;~ep31~0 := (if 0 == main_#t~nondet8#1 % 256 then 0 else 1);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;assume 0 == main_#t~nondet9#1 || 1 == main_#t~nondet9#1;~ep32~0 := (if 0 == main_#t~nondet9#1 % 256 then 0 else 1);havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~r1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;~nl1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;~m1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~max1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;assume 0 == main_#t~nondet16#1 || 1 == main_#t~nondet16#1;~mode1~0 := (if 0 == main_#t~nondet16#1 % 256 then 0 else 1);havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~id2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;~r2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;~st2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~nl2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~m2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;~max2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;assume 0 == main_#t~nondet23#1 || 1 == main_#t~nondet23#1;~mode2~0 := (if 0 == main_#t~nondet23#1 % 256 then 0 else 1);havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~id3~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~r3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~st3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~nl3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~m3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;~max3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;havoc main_#t~nondet30#1;assume 0 == main_#t~nondet30#1 || 1 == main_#t~nondet30#1;~mode3~0 := (if 0 == main_#t~nondet30#1 % 256 then 0 else 1);havoc main_#t~nondet30#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r212~0#1;havoc init_~tmp___1~0#1;havoc init_~r232~0#1;havoc init_~tmp___2~0#1;havoc init_~r312~0#1;havoc init_~tmp___3~0#1;havoc init_~r322~0#1;havoc init_~tmp___4~0#1;havoc init_~tmp___5~0#1;init_~r121~0#1 := (if 0 == ~ep12~0 % 256 then 0 else 1);init_~r131~0#1 := (if 0 == ~ep13~0 % 256 then 0 else 1);init_~r211~0#1 := (if 0 == ~ep21~0 % 256 then 0 else 1);init_~r231~0#1 := (if 0 == ~ep23~0 % 256 then 0 else 1);init_~r311~0#1 := (if 0 == ~ep31~0 % 256 then 0 else 1);init_~r321~0#1 := (if 0 == ~ep32~0 % 256 then 0 else 1); 319#L228 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 322#L231-1 init_~r122~0#1 := (if 0 == (if 0 == init_~tmp~0#1 then 0 else 1) % 256 then 0 else 1); 304#L241 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 264#L244-1 init_~r132~0#1 := (if 0 == (if 0 == init_~tmp___0~0#1 then 0 else 1) % 256 then 0 else 1); 302#L254 assume 0 != init_~r211~0#1 % 256;init_~tmp___1~0#1 := 1; 312#L257-1 init_~r212~0#1 := (if 0 == (if 0 == init_~tmp___1~0#1 then 0 else 1) % 256 then 0 else 1); 300#L267 assume 0 != init_~r231~0#1 % 256;init_~tmp___2~0#1 := 1; 268#L270-1 init_~r232~0#1 := (if 0 == (if 0 == init_~tmp___2~0#1 then 0 else 1) % 256 then 0 else 1); 278#L280 assume 0 != init_~r311~0#1 % 256;init_~tmp___3~0#1 := 1; 342#L283-1 init_~r312~0#1 := (if 0 == (if 0 == init_~tmp___3~0#1 then 0 else 1) % 256 then 0 else 1); 348#L293 assume 0 != init_~r321~0#1 % 256;init_~tmp___4~0#1 := 1; 314#L296-1 init_~r322~0#1 := (if 0 == (if 0 == init_~tmp___4~0#1 then 0 else 1) % 256 then 0 else 1); 346#L306 assume !(~id1~0 != ~id2~0);init_~tmp___5~0#1 := 0; 256#L306-1 init_#res#1 := init_~tmp___5~0#1; 357#init_returnLabel#1 main_#t~ret31#1 := init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 323#L509 assume !(0 == main_~i2~0#1); 324#L509-2 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 305#L523-2 [2024-10-15 01:01:45,970 INFO L747 eck$LassoCheckResult]: Loop: 305#L523-2 assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true; 306#L75 assume !(0 != ~mode1~0 % 256); 335#L100 assume !(~r1~0 < 2); 337#L100-1 ~mode1~0 := 1; 297#L75-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 358#L118 assume !(0 != ~mode2~0 % 256); 359#L143 assume !(~r2~0 < 2); 347#L143-1 ~mode2~0 := 1; 338#L118-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 275#L161 assume !(0 != ~mode3~0 % 256); 277#L186 assume !(~r3~0 < 2); 301#L186-1 ~mode3~0 := 1; 259#L161-2 assume { :end_inline_node3 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 260#L423 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 290#L424 assume ~st1~0 + ~nl1~0 <= 1; 363#L425 assume ~st2~0 + ~nl2~0 <= 1; 364#L426 assume ~st3~0 + ~nl3~0 <= 1; 356#L427 assume ~r1~0 >= 2; 284#$Ultimate##248 assume ~r1~0 < 2; 279#$Ultimate##252 assume ~r1~0 >= 2; 280#$Ultimate##256 assume ~r1~0 < 2;check_~tmp~1#1 := 1; 318#L423-1 check_#res#1 := check_~tmp~1#1; 285#check_returnLabel#1 main_#t~ret32#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret32#1;havoc main_#t~ret32#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 286#L553 assume !(0 == assert_~arg#1 % 256); 340#L548 havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post33#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post33#1;havoc main_#t~post33#1; 305#L523-2 [2024-10-15 01:01:45,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 01:01:45,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1727567734, now seen corresponding path program 2 times [2024-10-15 01:01:45,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 01:01:45,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944730776] [2024-10-15 01:01:45,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 01:01:45,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 01:01:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 01:01:46,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 01:01:46,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 01:01:46,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944730776] [2024-10-15 01:01:46,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944730776] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 01:01:46,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 01:01:46,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-15 01:01:46,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257583526] [2024-10-15 01:01:46,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 01:01:46,092 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 01:01:46,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 01:01:46,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1234927194, now seen corresponding path program 1 times [2024-10-15 01:01:46,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 01:01:46,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873126738] [2024-10-15 01:01:46,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 01:01:46,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 01:01:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 01:01:46,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 01:01:46,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 01:01:46,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873126738] [2024-10-15 01:01:46,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873126738] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 01:01:46,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 01:01:46,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-15 01:01:46,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943156050] [2024-10-15 01:01:46,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 01:01:46,130 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-15 01:01:46,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 01:01:46,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-15 01:01:46,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-15 01:01:46,131 INFO L87 Difference]: Start difference. First operand 113 states and 192 transitions. cyclomatic complexity: 80 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 01:01:46,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 01:01:46,216 INFO L93 Difference]: Finished difference Result 172 states and 284 transitions. [2024-10-15 01:01:46,216 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 172 states and 284 transitions. [2024-10-15 01:01:46,219 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2024-10-15 01:01:46,221 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 172 states to 169 states and 255 transitions. [2024-10-15 01:01:46,221 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 169 [2024-10-15 01:01:46,222 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 169 [2024-10-15 01:01:46,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 169 states and 255 transitions. [2024-10-15 01:01:46,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 01:01:46,223 INFO L218 hiAutomatonCegarLoop]: Abstraction has 169 states and 255 transitions. [2024-10-15 01:01:46,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states and 255 transitions. [2024-10-15 01:01:46,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 113. [2024-10-15 01:01:46,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 113 states have (on average 1.4601769911504425) internal successors, (165), 112 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 01:01:46,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2024-10-15 01:01:46,230 INFO L240 hiAutomatonCegarLoop]: Abstraction has 113 states and 165 transitions. [2024-10-15 01:01:46,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-15 01:01:46,232 INFO L425 stractBuchiCegarLoop]: Abstraction has 113 states and 165 transitions. [2024-10-15 01:01:46,232 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-15 01:01:46,232 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 113 states and 165 transitions. [2024-10-15 01:01:46,233 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2024-10-15 01:01:46,233 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 01:01:46,233 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 01:01:46,235 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 01:01:46,235 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 01:01:46,235 INFO L745 eck$LassoCheckResult]: Stem: 603#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0; 604#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~ret31#1, main_#t~ret32#1, main_#t~post33#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;havoc main_#t~nondet4#1;assume 0 == main_#t~nondet4#1 || 1 == main_#t~nondet4#1;~ep12~0 := (if 0 == main_#t~nondet4#1 % 256 then 0 else 1);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;assume 0 == main_#t~nondet5#1 || 1 == main_#t~nondet5#1;~ep13~0 := (if 0 == main_#t~nondet5#1 % 256 then 0 else 1);havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;assume 0 == main_#t~nondet6#1 || 1 == main_#t~nondet6#1;~ep21~0 := (if 0 == main_#t~nondet6#1 % 256 then 0 else 1);havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;assume 0 == main_#t~nondet7#1 || 1 == main_#t~nondet7#1;~ep23~0 := (if 0 == main_#t~nondet7#1 % 256 then 0 else 1);havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;assume 0 == main_#t~nondet8#1 || 1 == main_#t~nondet8#1;~ep31~0 := (if 0 == main_#t~nondet8#1 % 256 then 0 else 1);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;assume 0 == main_#t~nondet9#1 || 1 == main_#t~nondet9#1;~ep32~0 := (if 0 == main_#t~nondet9#1 % 256 then 0 else 1);havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~r1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;~nl1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;~m1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~max1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;assume 0 == main_#t~nondet16#1 || 1 == main_#t~nondet16#1;~mode1~0 := (if 0 == main_#t~nondet16#1 % 256 then 0 else 1);havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~id2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;~r2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;~st2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~nl2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~m2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;~max2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;assume 0 == main_#t~nondet23#1 || 1 == main_#t~nondet23#1;~mode2~0 := (if 0 == main_#t~nondet23#1 % 256 then 0 else 1);havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~id3~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~r3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~st3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~nl3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~m3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;~max3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;havoc main_#t~nondet30#1;assume 0 == main_#t~nondet30#1 || 1 == main_#t~nondet30#1;~mode3~0 := (if 0 == main_#t~nondet30#1 % 256 then 0 else 1);havoc main_#t~nondet30#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r212~0#1;havoc init_~tmp___1~0#1;havoc init_~r232~0#1;havoc init_~tmp___2~0#1;havoc init_~r312~0#1;havoc init_~tmp___3~0#1;havoc init_~r322~0#1;havoc init_~tmp___4~0#1;havoc init_~tmp___5~0#1;init_~r121~0#1 := (if 0 == ~ep12~0 % 256 then 0 else 1);init_~r131~0#1 := (if 0 == ~ep13~0 % 256 then 0 else 1);init_~r211~0#1 := (if 0 == ~ep21~0 % 256 then 0 else 1);init_~r231~0#1 := (if 0 == ~ep23~0 % 256 then 0 else 1);init_~r311~0#1 := (if 0 == ~ep31~0 % 256 then 0 else 1);init_~r321~0#1 := (if 0 == ~ep32~0 % 256 then 0 else 1); 613#L228 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 616#L231-1 init_~r122~0#1 := (if 0 == (if 0 == init_~tmp~0#1 then 0 else 1) % 256 then 0 else 1); 598#L241 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 557#L244-1 init_~r132~0#1 := (if 0 == (if 0 == init_~tmp___0~0#1 then 0 else 1) % 256 then 0 else 1); 595#L254 assume 0 != init_~r211~0#1 % 256;init_~tmp___1~0#1 := 1; 606#L257-1 init_~r212~0#1 := (if 0 == (if 0 == init_~tmp___1~0#1 then 0 else 1) % 256 then 0 else 1); 593#L267 assume 0 != init_~r231~0#1 % 256;init_~tmp___2~0#1 := 1; 561#L270-1 init_~r232~0#1 := (if 0 == (if 0 == init_~tmp___2~0#1 then 0 else 1) % 256 then 0 else 1); 571#L280 assume 0 != init_~r311~0#1 % 256;init_~tmp___3~0#1 := 1; 636#L283-1 init_~r312~0#1 := (if 0 == (if 0 == init_~tmp___3~0#1 then 0 else 1) % 256 then 0 else 1); 642#L293 assume 0 != init_~r321~0#1 % 256;init_~tmp___4~0#1 := 1; 608#L296-1 init_~r322~0#1 := (if 0 == (if 0 == init_~tmp___4~0#1 then 0 else 1) % 256 then 0 else 1); 641#L306 assume ~id1~0 != ~id2~0; 644#L307 assume ~id1~0 != ~id3~0; 566#L308 assume ~id2~0 != ~id3~0; 567#L309 assume ~id1~0 >= 0; 643#L310 assume ~id2~0 >= 0; 622#L311 assume ~id3~0 >= 0; 623#L312 assume 0 == ~r1~0; 591#L313 assume 0 == ~r2~0; 592#L314 assume 0 == ~r3~0; 614#L315 assume 0 != init_~r122~0#1 % 256; 615#L316 assume 0 != init_~r132~0#1 % 256; 550#L317 assume 0 != init_~r212~0#1 % 256; 551#L318 assume 0 != init_~r232~0#1 % 256; 660#L319 assume 0 != init_~r312~0#1 % 256; 647#L320 assume 0 != init_~r322~0#1 % 256; 638#L321 assume ~max1~0 == ~id1~0; 639#L322 assume ~max2~0 == ~id2~0; 548#L323 assume ~max3~0 == ~id3~0; 549#L324 assume 0 == ~st1~0; 577#L325 assume 0 == ~st2~0; 597#L326 assume 0 == ~st3~0; 584#L327 assume 0 == ~nl1~0; 585#L328 assume 0 == ~nl2~0; 609#L329 assume 0 == ~nl3~0; 610#L330 assume 0 == (if ~mode1~0 % 256 % 4294967296 <= 2147483647 then ~mode1~0 % 256 % 4294967296 else ~mode1~0 % 256 % 4294967296 - 4294967296); 564#L331 assume 0 == (if ~mode2~0 % 256 % 4294967296 <= 2147483647 then ~mode2~0 % 256 % 4294967296 else ~mode2~0 % 256 % 4294967296 - 4294967296); 565#L332 assume 0 == (if ~mode3~0 % 256 % 4294967296 <= 2147483647 then ~mode3~0 % 256 % 4294967296 else ~mode3~0 % 256 % 4294967296 - 4294967296);init_~tmp___5~0#1 := 1; 596#L306-1 init_#res#1 := init_~tmp___5~0#1; 651#init_returnLabel#1 main_#t~ret31#1 := init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 617#L509 assume !(0 == main_~i2~0#1); 618#L509-2 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 601#L523-2 [2024-10-15 01:01:46,236 INFO L747 eck$LassoCheckResult]: Loop: 601#L523-2 assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true; 602#L75 assume !(0 != ~mode1~0 % 256); 630#L100 assume !(~r1~0 < 2); 632#L100-1 ~mode1~0 := 1; 590#L75-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 652#L118 assume !(0 != ~mode2~0 % 256); 653#L143 assume !(~r2~0 < 2); 640#L143-1 ~mode2~0 := 1; 629#L118-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 568#L161 assume !(0 != ~mode3~0 % 256); 570#L186 assume !(~r3~0 < 2); 594#L186-1 ~mode3~0 := 1; 552#L161-2 assume { :end_inline_node3 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 553#L423 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 583#L424 assume ~st1~0 + ~nl1~0 <= 1; 657#L425 assume ~st2~0 + ~nl2~0 <= 1; 658#L426 assume ~st3~0 + ~nl3~0 <= 1; 650#L427 assume ~r1~0 >= 2; 576#$Ultimate##248 assume ~r1~0 < 2; 572#$Ultimate##252 assume ~r1~0 >= 2; 573#$Ultimate##256 assume ~r1~0 < 2;check_~tmp~1#1 := 1; 612#L423-1 check_#res#1 := check_~tmp~1#1; 578#check_returnLabel#1 main_#t~ret32#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret32#1;havoc main_#t~ret32#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 579#L553 assume !(0 == assert_~arg#1 % 256); 634#L548 havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post33#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post33#1;havoc main_#t~post33#1; 601#L523-2 [2024-10-15 01:01:46,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 01:01:46,239 INFO L85 PathProgramCache]: Analyzing trace with hash -97176065, now seen corresponding path program 1 times [2024-10-15 01:01:46,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 01:01:46,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717184514] [2024-10-15 01:01:46,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 01:01:46,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 01:01:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 01:01:46,321 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 01:01:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 01:01:46,449 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 01:01:46,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 01:01:46,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1234927194, now seen corresponding path program 2 times [2024-10-15 01:01:46,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 01:01:46,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102939972] [2024-10-15 01:01:46,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 01:01:46,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 01:01:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 01:01:46,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 01:01:46,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 01:01:46,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102939972] [2024-10-15 01:01:46,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102939972] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 01:01:46,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 01:01:46,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-15 01:01:46,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228325035] [2024-10-15 01:01:46,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 01:01:46,500 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-15 01:01:46,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 01:01:46,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-15 01:01:46,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-15 01:01:46,501 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. cyclomatic complexity: 53 Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 01:01:46,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 01:01:46,554 INFO L93 Difference]: Finished difference Result 157 states and 230 transitions. [2024-10-15 01:01:46,554 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 157 states and 230 transitions. [2024-10-15 01:01:46,557 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 100 [2024-10-15 01:01:46,558 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 157 states to 157 states and 230 transitions. [2024-10-15 01:01:46,560 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 157 [2024-10-15 01:01:46,561 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 157 [2024-10-15 01:01:46,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 157 states and 230 transitions. [2024-10-15 01:01:46,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 01:01:46,562 INFO L218 hiAutomatonCegarLoop]: Abstraction has 157 states and 230 transitions. [2024-10-15 01:01:46,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states and 230 transitions. [2024-10-15 01:01:46,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2024-10-15 01:01:46,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 157 states have (on average 1.464968152866242) internal successors, (230), 156 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 01:01:46,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 230 transitions. [2024-10-15 01:01:46,575 INFO L240 hiAutomatonCegarLoop]: Abstraction has 157 states and 230 transitions. [2024-10-15 01:01:46,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-15 01:01:46,576 INFO L425 stractBuchiCegarLoop]: Abstraction has 157 states and 230 transitions. [2024-10-15 01:01:46,577 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-15 01:01:46,577 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 157 states and 230 transitions. [2024-10-15 01:01:46,578 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 100 [2024-10-15 01:01:46,578 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 01:01:46,578 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 01:01:46,579 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 01:01:46,580 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 01:01:46,580 INFO L745 eck$LassoCheckResult]: Stem: 879#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0; 880#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~ret31#1, main_#t~ret32#1, main_#t~post33#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;havoc main_#t~nondet4#1;assume 0 == main_#t~nondet4#1 || 1 == main_#t~nondet4#1;~ep12~0 := (if 0 == main_#t~nondet4#1 % 256 then 0 else 1);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;assume 0 == main_#t~nondet5#1 || 1 == main_#t~nondet5#1;~ep13~0 := (if 0 == main_#t~nondet5#1 % 256 then 0 else 1);havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;assume 0 == main_#t~nondet6#1 || 1 == main_#t~nondet6#1;~ep21~0 := (if 0 == main_#t~nondet6#1 % 256 then 0 else 1);havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;assume 0 == main_#t~nondet7#1 || 1 == main_#t~nondet7#1;~ep23~0 := (if 0 == main_#t~nondet7#1 % 256 then 0 else 1);havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;assume 0 == main_#t~nondet8#1 || 1 == main_#t~nondet8#1;~ep31~0 := (if 0 == main_#t~nondet8#1 % 256 then 0 else 1);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;assume 0 == main_#t~nondet9#1 || 1 == main_#t~nondet9#1;~ep32~0 := (if 0 == main_#t~nondet9#1 % 256 then 0 else 1);havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~r1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;~nl1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;~m1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~max1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;assume 0 == main_#t~nondet16#1 || 1 == main_#t~nondet16#1;~mode1~0 := (if 0 == main_#t~nondet16#1 % 256 then 0 else 1);havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~id2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;~r2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;~st2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~nl2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~m2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;~max2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;assume 0 == main_#t~nondet23#1 || 1 == main_#t~nondet23#1;~mode2~0 := (if 0 == main_#t~nondet23#1 % 256 then 0 else 1);havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~id3~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~r3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~st3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~nl3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~m3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;~max3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;havoc main_#t~nondet30#1;assume 0 == main_#t~nondet30#1 || 1 == main_#t~nondet30#1;~mode3~0 := (if 0 == main_#t~nondet30#1 % 256 then 0 else 1);havoc main_#t~nondet30#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r212~0#1;havoc init_~tmp___1~0#1;havoc init_~r232~0#1;havoc init_~tmp___2~0#1;havoc init_~r312~0#1;havoc init_~tmp___3~0#1;havoc init_~r322~0#1;havoc init_~tmp___4~0#1;havoc init_~tmp___5~0#1;init_~r121~0#1 := (if 0 == ~ep12~0 % 256 then 0 else 1);init_~r131~0#1 := (if 0 == ~ep13~0 % 256 then 0 else 1);init_~r211~0#1 := (if 0 == ~ep21~0 % 256 then 0 else 1);init_~r231~0#1 := (if 0 == ~ep23~0 % 256 then 0 else 1);init_~r311~0#1 := (if 0 == ~ep31~0 % 256 then 0 else 1);init_~r321~0#1 := (if 0 == ~ep32~0 % 256 then 0 else 1); 889#L228 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 892#L231-1 init_~r122~0#1 := (if 0 == (if 0 == init_~tmp~0#1 then 0 else 1) % 256 then 0 else 1); 874#L241 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 833#L244-1 init_~r132~0#1 := (if 0 == (if 0 == init_~tmp___0~0#1 then 0 else 1) % 256 then 0 else 1); 871#L254 assume 0 != init_~r211~0#1 % 256;init_~tmp___1~0#1 := 1; 882#L257-1 init_~r212~0#1 := (if 0 == (if 0 == init_~tmp___1~0#1 then 0 else 1) % 256 then 0 else 1); 869#L267 assume 0 != init_~r231~0#1 % 256;init_~tmp___2~0#1 := 1; 837#L270-1 init_~r232~0#1 := (if 0 == (if 0 == init_~tmp___2~0#1 then 0 else 1) % 256 then 0 else 1); 847#L280 assume 0 != init_~r311~0#1 % 256;init_~tmp___3~0#1 := 1; 911#L283-1 init_~r312~0#1 := (if 0 == (if 0 == init_~tmp___3~0#1 then 0 else 1) % 256 then 0 else 1); 917#L293 assume 0 != init_~r321~0#1 % 256;init_~tmp___4~0#1 := 1; 884#L296-1 init_~r322~0#1 := (if 0 == (if 0 == init_~tmp___4~0#1 then 0 else 1) % 256 then 0 else 1); 915#L306 assume ~id1~0 != ~id2~0; 919#L307 assume ~id1~0 != ~id3~0; 842#L308 assume ~id2~0 != ~id3~0; 843#L309 assume ~id1~0 >= 0; 918#L310 assume ~id2~0 >= 0; 898#L311 assume ~id3~0 >= 0; 899#L312 assume 0 == ~r1~0; 867#L313 assume 0 == ~r2~0; 868#L314 assume 0 == ~r3~0; 890#L315 assume 0 != init_~r122~0#1 % 256; 891#L316 assume 0 != init_~r132~0#1 % 256; 826#L317 assume 0 != init_~r212~0#1 % 256; 827#L318 assume 0 != init_~r232~0#1 % 256; 941#L319 assume 0 != init_~r312~0#1 % 256; 923#L320 assume 0 != init_~r322~0#1 % 256; 913#L321 assume ~max1~0 == ~id1~0; 914#L322 assume ~max2~0 == ~id2~0; 824#L323 assume ~max3~0 == ~id3~0; 825#L324 assume 0 == ~st1~0; 852#L325 assume 0 == ~st2~0; 873#L326 assume 0 == ~st3~0; 859#L327 assume 0 == ~nl1~0; 860#L328 assume 0 == ~nl2~0; 885#L329 assume 0 == ~nl3~0; 886#L330 assume 0 == (if ~mode1~0 % 256 % 4294967296 <= 2147483647 then ~mode1~0 % 256 % 4294967296 else ~mode1~0 % 256 % 4294967296 - 4294967296); 840#L331 assume 0 == (if ~mode2~0 % 256 % 4294967296 <= 2147483647 then ~mode2~0 % 256 % 4294967296 else ~mode2~0 % 256 % 4294967296 - 4294967296); 841#L332 assume 0 == (if ~mode3~0 % 256 % 4294967296 <= 2147483647 then ~mode3~0 % 256 % 4294967296 else ~mode3~0 % 256 % 4294967296 - 4294967296);init_~tmp___5~0#1 := 1; 872#L306-1 init_#res#1 := init_~tmp___5~0#1; 928#init_returnLabel#1 main_#t~ret31#1 := init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 893#L509 assume !(0 == main_~i2~0#1); 894#L509-2 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 922#L523-2 [2024-10-15 01:01:46,580 INFO L747 eck$LassoCheckResult]: Loop: 922#L523-2 assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true; 943#L75 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256); 908#L77 assume !(0 != ~ep21~0 % 256); 839#L77-1 assume !(0 != ~ep31~0 % 256); 904#L84 assume !(2 == ~r1~0); 939#L91 ~mode1~0 := 0; 980#L75-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 977#L118 assume !(0 != ~mode2~0 % 256); 973#L143 assume !(~r2~0 < 2); 968#L143-1 ~mode2~0 := 1; 967#L118-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 964#L161 assume !(0 != ~mode3~0 % 256); 960#L186 assume !(~r3~0 < 2); 955#L186-1 ~mode3~0 := 1; 954#L161-2 assume { :end_inline_node3 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 953#L423 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 952#L424 assume ~st1~0 + ~nl1~0 <= 1; 951#L425 assume ~st2~0 + ~nl2~0 <= 1; 950#L426 assume ~st3~0 + ~nl3~0 <= 1; 949#L427 assume !(~r1~0 >= 2); 850#L430 assume 0 == ~st1~0 + ~st2~0 + ~st3~0; 851#$Ultimate##248 assume ~r1~0 < 2; 948#$Ultimate##252 assume !(~r1~0 >= 2); 932#L440 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0; 933#$Ultimate##256 assume ~r1~0 < 2;check_~tmp~1#1 := 1; 947#L423-1 check_#res#1 := check_~tmp~1#1; 946#check_returnLabel#1 main_#t~ret32#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret32#1;havoc main_#t~ret32#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 945#L553 assume !(0 == assert_~arg#1 % 256); 944#L548 havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post33#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post33#1;havoc main_#t~post33#1; 922#L523-2 [2024-10-15 01:01:46,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 01:01:46,581 INFO L85 PathProgramCache]: Analyzing trace with hash -97176065, now seen corresponding path program 2 times [2024-10-15 01:01:46,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 01:01:46,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709127459] [2024-10-15 01:01:46,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 01:01:46,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 01:01:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 01:01:46,672 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 01:01:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 01:01:46,796 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 01:01:46,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 01:01:46,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1448004395, now seen corresponding path program 1 times [2024-10-15 01:01:46,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 01:01:46,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017876640] [2024-10-15 01:01:46,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 01:01:46,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 01:01:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 01:01:46,818 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 01:01:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 01:01:46,834 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 01:01:46,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 01:01:46,835 INFO L85 PathProgramCache]: Analyzing trace with hash -495556713, now seen corresponding path program 1 times [2024-10-15 01:01:46,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 01:01:46,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816263283] [2024-10-15 01:01:46,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 01:01:46,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 01:01:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 01:01:46,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 01:01:46,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 01:01:46,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816263283] [2024-10-15 01:01:46,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816263283] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 01:01:46,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 01:01:46,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-15 01:01:46,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907621588] [2024-10-15 01:01:46,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 01:01:47,659 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 01:01:47,660 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 01:01:47,660 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 01:01:47,660 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 01:01:47,660 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 01:01:47,660 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 01:01:47,660 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 01:01:47,660 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 01:01:47,660 INFO L132 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.3.3.ufo.BOUNDED-6.pals.c_Iteration4_Loop [2024-10-15 01:01:47,660 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 01:01:47,661 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 01:01:47,681 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:47,692 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:47,695 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:47,701 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:47,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:47,706 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:47,710 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:47,721 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:47,727 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:47,745 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:47,749 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:47,751 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:47,758 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:47,761 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:47,766 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:47,793 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:47,796 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:48,309 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 01:01:48,310 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 01:01:48,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 01:01:48,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 01:01:48,314 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) [2024-10-15 01:01:48,316 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 [2024-10-15 01:01:48,319 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 01:01:48,319 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 01:01:48,349 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-15 01:01:48,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 01:01:48,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 01:01:48,353 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) [2024-10-15 01:01:48,357 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 01:01:48,357 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 01:01:48,358 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 [2024-10-15 01:01:48,447 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-15 01:01:48,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-10-15 01:01:48,453 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 01:01:48,453 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 01:01:48,453 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 01:01:48,453 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 01:01:48,453 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 01:01:48,453 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 01:01:48,453 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 01:01:48,453 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 01:01:48,453 INFO L132 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.3.3.ufo.BOUNDED-6.pals.c_Iteration4_Loop [2024-10-15 01:01:48,454 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 01:01:48,454 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 01:01:48,456 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:48,459 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:48,462 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:48,467 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:48,474 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:48,476 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:48,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:48,482 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:48,493 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:48,496 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:48,519 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:48,533 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:48,536 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:48,542 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:48,546 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:48,554 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:48,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 01:01:49,078 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 01:01:49,085 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 01:01:49,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 01:01:49,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 01:01:49,087 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) [2024-10-15 01:01:49,089 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 [2024-10-15 01:01:49,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 01:01:49,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 01:01:49,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 01:01:49,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 01:01:49,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 01:01:49,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 01:01:49,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 01:01:49,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 01:01:49,103 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 01:01:49,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-10-15 01:01:49,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 01:01:49,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 01:01:49,115 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) [2024-10-15 01:01:49,117 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 [2024-10-15 01:01:49,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 01:01:49,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 01:01:49,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 01:01:49,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 01:01:49,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 01:01:49,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 01:01:49,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 01:01:49,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 01:01:49,130 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 01:01:49,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-10-15 01:01:49,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 01:01:49,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 01:01:49,142 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) [2024-10-15 01:01:49,143 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 [2024-10-15 01:01:49,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 01:01:49,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 01:01:49,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 01:01:49,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 01:01:49,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 01:01:49,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 01:01:49,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 01:01:49,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 01:01:49,158 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 01:01:49,173 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 [2024-10-15 01:01:49,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 01:01:49,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 01:01:49,175 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) [2024-10-15 01:01:49,179 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 [2024-10-15 01:01:49,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 01:01:49,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 01:01:49,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 01:01:49,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 01:01:49,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 01:01:49,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 01:01:49,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 01:01:49,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 01:01:49,196 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 01:01:49,207 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 [2024-10-15 01:01:49,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 01:01:49,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 01:01:49,209 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) [2024-10-15 01:01:49,209 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 [2024-10-15 01:01:49,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 01:01:49,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 01:01:49,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 01:01:49,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 01:01:49,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 01:01:49,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 01:01:49,221 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 01:01:49,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 01:01:49,223 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 01:01:49,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-10-15 01:01:49,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 01:01:49,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 01:01:49,242 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) [2024-10-15 01:01:49,244 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 [2024-10-15 01:01:49,245 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 [2024-10-15 01:01:49,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 01:01:49,257 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 01:01:49,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 01:01:49,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 01:01:49,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 01:01:49,259 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 01:01:49,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 01:01:49,265 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 01:01:49,277 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 [2024-10-15 01:01:49,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 01:01:49,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 01:01:49,279 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) [2024-10-15 01:01:49,280 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 [2024-10-15 01:01:49,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 01:01:49,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 01:01:49,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 01:01:49,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 01:01:49,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 01:01:49,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 01:01:49,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 01:01:49,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 01:01:49,293 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 01:01:49,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-10-15 01:01:49,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 01:01:49,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 01:01:49,305 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) [2024-10-15 01:01:49,306 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 [2024-10-15 01:01:49,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 01:01:49,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 01:01:49,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 01:01:49,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 01:01:49,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 01:01:49,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 01:01:49,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 01:01:49,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 01:01:49,322 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 01:01:49,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-15 01:01:49,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 01:01:49,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 01:01:49,339 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) [2024-10-15 01:01:49,340 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 [2024-10-15 01:01:49,341 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 01:01:49,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 01:01:49,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 01:01:49,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 01:01:49,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 01:01:49,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 01:01:49,355 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 01:01:49,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 01:01:49,357 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 01:01:49,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-15 01:01:49,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 01:01:49,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 01:01:49,374 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) [2024-10-15 01:01:49,375 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 [2024-10-15 01:01:49,379 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 [2024-10-15 01:01:49,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 01:01:49,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 01:01:49,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 01:01:49,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 01:01:49,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 01:01:49,400 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 01:01:49,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 01:01:49,404 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 01:01:49,419 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 [2024-10-15 01:01:49,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 01:01:49,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 01:01:49,421 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) [2024-10-15 01:01:49,422 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 [2024-10-15 01:01:49,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 01:01:49,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 01:01:49,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 01:01:49,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 01:01:49,437 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-15 01:01:49,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 01:01:49,439 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-15 01:01:49,439 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 01:01:49,443 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 01:01:49,457 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 [2024-10-15 01:01:49,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 01:01:49,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 01:01:49,460 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) [2024-10-15 01:01:49,462 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 [2024-10-15 01:01:49,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 01:01:49,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 01:01:49,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 01:01:49,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 01:01:49,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 01:01:49,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 01:01:49,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 01:01:49,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 01:01:49,480 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 01:01:49,492 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 [2024-10-15 01:01:49,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 01:01:49,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 01:01:49,493 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) [2024-10-15 01:01:49,494 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 [2024-10-15 01:01:49,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 01:01:49,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 01:01:49,505 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 01:01:49,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 01:01:49,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 01:01:49,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 01:01:49,506 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 01:01:49,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 01:01:49,511 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 01:01:49,526 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 [2024-10-15 01:01:49,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 01:01:49,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 01:01:49,529 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 01:01:49,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-15 01:01:49,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 01:01:49,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 01:01:49,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 01:01:49,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 01:01:49,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 01:01:49,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 01:01:49,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 01:01:49,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 01:01:49,547 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 01:01:49,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-10-15 01:01:49,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 01:01:49,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 01:01:49,559 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) [2024-10-15 01:01:49,561 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 [2024-10-15 01:01:49,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 01:01:49,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 01:01:49,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 01:01:49,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 01:01:49,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 01:01:49,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 01:01:49,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 01:01:49,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 01:01:49,575 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 01:01:49,580 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-15 01:01:49,580 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-15 01:01:49,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 01:01:49,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 01:01:49,607 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) [2024-10-15 01:01:49,609 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 [2024-10-15 01:01:49,609 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 01:01:49,609 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-15 01:01:49,610 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 01:01:49,610 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0#1) = -2*ULTIMATE.start_main_~i2~0#1 + 11 Supporting invariants [] [2024-10-15 01:01:49,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-10-15 01:01:49,624 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-15 01:01:49,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 01:01:49,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 01:01:49,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 01:01:49,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 01:01:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 01:01:49,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-15 01:01:49,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 01:01:49,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 01:01:49,968 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 [2024-10-15 01:01:49,969 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 157 states and 230 transitions. cyclomatic complexity: 74 Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 01:01:50,039 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 157 states and 230 transitions. cyclomatic complexity: 74. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 256 states and 385 transitions. Complement of second has 4 states. [2024-10-15 01:01:50,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-15 01:01:50,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 01:01:50,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 165 transitions. [2024-10-15 01:01:50,043 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 165 transitions. Stem has 45 letters. Loop has 29 letters. [2024-10-15 01:01:50,044 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 01:01:50,044 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 165 transitions. Stem has 74 letters. Loop has 29 letters. [2024-10-15 01:01:50,045 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 01:01:50,045 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 165 transitions. Stem has 45 letters. Loop has 58 letters. [2024-10-15 01:01:50,046 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 01:01:50,048 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 256 states and 385 transitions. [2024-10-15 01:01:50,050 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-15 01:01:50,050 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 256 states to 0 states and 0 transitions. [2024-10-15 01:01:50,050 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-15 01:01:50,051 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-15 01:01:50,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-15 01:01:50,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 01:01:50,051 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 01:01:50,051 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 01:01:50,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 01:01:50,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-15 01:01:50,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-15 01:01:50,052 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 01:01:50,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 01:01:50,052 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-10-15 01:01:50,052 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-10-15 01:01:50,052 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-15 01:01:50,052 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-10-15 01:01:50,052 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-15 01:01:50,052 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-15 01:01:50,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-15 01:01:50,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 01:01:50,052 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 01:01:50,052 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 01:01:50,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-15 01:01:50,053 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 01:01:50,053 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-15 01:01:50,053 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-15 01:01:50,053 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-15 01:01:50,053 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-15 01:01:50,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 01:01:50 BoogieIcfgContainer [2024-10-15 01:01:50,060 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-15 01:01:50,061 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-15 01:01:50,061 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-15 01:01:50,061 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-15 01:01:50,061 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:01:44" (3/4) ... [2024-10-15 01:01:50,062 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-15 01:01:50,063 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-15 01:01:50,064 INFO L158 Benchmark]: Toolchain (without parser) took 6440.34ms. Allocated memory was 132.1MB in the beginning and 222.3MB in the end (delta: 90.2MB). Free memory was 61.0MB in the beginning and 98.6MB in the end (delta: -37.7MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. [2024-10-15 01:01:50,064 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 132.1MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 01:01:50,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.92ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 60.8MB in the beginning and 145.4MB in the end (delta: -84.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 01:01:50,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.56ms. Allocated memory is still 182.5MB. Free memory was 145.4MB in the beginning and 142.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 01:01:50,065 INFO L158 Benchmark]: Boogie Preprocessor took 77.86ms. Allocated memory is still 182.5MB. Free memory was 142.3MB in the beginning and 139.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-15 01:01:50,065 INFO L158 Benchmark]: RCFGBuilder took 762.28ms. Allocated memory is still 182.5MB. Free memory was 138.2MB in the beginning and 102.5MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-10-15 01:01:50,066 INFO L158 Benchmark]: BuchiAutomizer took 5132.29ms. Allocated memory was 182.5MB in the beginning and 222.3MB in the end (delta: 39.8MB). Free memory was 102.5MB in the beginning and 99.7MB in the end (delta: 2.8MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. [2024-10-15 01:01:50,066 INFO L158 Benchmark]: Witness Printer took 2.75ms. Allocated memory is still 222.3MB. Free memory was 99.7MB in the beginning and 98.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 01:01:50,068 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 132.1MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.92ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 60.8MB in the beginning and 145.4MB in the end (delta: -84.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.56ms. Allocated memory is still 182.5MB. Free memory was 145.4MB in the beginning and 142.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.86ms. Allocated memory is still 182.5MB. Free memory was 142.3MB in the beginning and 139.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 762.28ms. Allocated memory is still 182.5MB. Free memory was 138.2MB in the beginning and 102.5MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 5132.29ms. Allocated memory was 182.5MB in the beginning and 222.3MB in the end (delta: 39.8MB). Free memory was 102.5MB in the beginning and 99.7MB in the end (delta: 2.8MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. * Witness Printer took 2.75ms. Allocated memory is still 222.3MB. Free memory was 99.7MB in the beginning and 98.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long long) -2 * i2) + 11) and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.0s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 4.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 56 StatesRemovedByMinimization, 1 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 393 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 392 mSDsluCounter, 2073 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1356 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 717 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI2 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital142 mio100 ax100 hnf100 lsp26 ukn100 mio100 lsp100 div168 bol100 ite100 ukn100 eq153 hnf97 smp77 dnf104 smp96 tf102 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-15 01:01:50,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-10-15 01:01:50,290 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